/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 00:21:00,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 00:21:00,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 00:21:00,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 00:21:00,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 00:21:00,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 00:21:00,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 00:21:00,605 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf [2021-07-14 00:21:00,632 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 00:21:00,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 00:21:00,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 00:21:00,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 00:21:00,633 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 00:21:00,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 00:21:00,633 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 00:21:00,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 00:21:00,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 00:21:00,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 00:21:00,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 00:21:00,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 00:21:00,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 00:21:00,634 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 00:21:00,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 00:21:00,634 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 00:21:00,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 00:21:00,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 00:21:00,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 00:21:00,635 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 00:21:00,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 00:21:00,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 00:21:00,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 00:21:00,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 00:21:00,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 00:21:00,635 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 00:21:00,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 00:21:00,635 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 00:21:00,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 00:21:00,636 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-07-14 00:21:00,636 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 00:21:00,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 00:21:00,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 00:21:00,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 00:21:00,892 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 00:21:00,892 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 00:21:00,893 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2021-07-14 00:21:00,936 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfa2d5434/a904c1eb1397414eaa09df3509027a42/FLAGa36555957 [2021-07-14 00:21:01,359 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 00:21:01,360 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2021-07-14 00:21:01,375 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfa2d5434/a904c1eb1397414eaa09df3509027a42/FLAGa36555957 [2021-07-14 00:21:01,683 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfa2d5434/a904c1eb1397414eaa09df3509027a42 [2021-07-14 00:21:01,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 00:21:01,686 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 00:21:01,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 00:21:01,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 00:21:01,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 00:21:01,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:21:01" (1/1) ... [2021-07-14 00:21:01,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342c6d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:01, skipping insertion in model container [2021-07-14 00:21:01,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:21:01" (1/1) ... [2021-07-14 00:21:01,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 00:21:01,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 00:21:02,184 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i[76077,76090] [2021-07-14 00:21:02,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 00:21:02,205 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 00:21:02,227 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i[76077,76090] [2021-07-14 00:21:02,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 00:21:02,298 INFO L208 MainTranslator]: Completed translation [2021-07-14 00:21:02,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:02 WrapperNode [2021-07-14 00:21:02,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 00:21:02,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 00:21:02,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 00:21:02,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 00:21:02,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:02" (1/1) ... [2021-07-14 00:21:02,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:02" (1/1) ... [2021-07-14 00:21:02,341 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 00:21:02,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 00:21:02,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 00:21:02,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 00:21:02,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:02" (1/1) ... [2021-07-14 00:21:02,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:02" (1/1) ... [2021-07-14 00:21:02,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:02" (1/1) ... [2021-07-14 00:21:02,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:02" (1/1) ... [2021-07-14 00:21:02,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:02" (1/1) ... [2021-07-14 00:21:02,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:02" (1/1) ... [2021-07-14 00:21:02,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:02" (1/1) ... [2021-07-14 00:21:02,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 00:21:02,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 00:21:02,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 00:21:02,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 00:21:02,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 00:21:02,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 00:21:02,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-14 00:21:02,438 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-14 00:21:02,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-07-14 00:21:02,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 00:21:02,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 00:21:02,438 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-07-14 00:21:02,439 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-07-14 00:21:02,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 00:21:02,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 00:21:02,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 00:21:02,440 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 00:21:03,001 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 00:21:03,002 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-07-14 00:21:03,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:21:03 BoogieIcfgContainer [2021-07-14 00:21:03,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 00:21:03,004 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 00:21:03,004 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 00:21:03,006 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 00:21:03,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:21:01" (1/3) ... [2021-07-14 00:21:03,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2edc59fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:21:03, skipping insertion in model container [2021-07-14 00:21:03,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:02" (2/3) ... [2021-07-14 00:21:03,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2edc59fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:21:03, skipping insertion in model container [2021-07-14 00:21:03,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:21:03" (3/3) ... [2021-07-14 00:21:03,009 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2021-07-14 00:21:03,013 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 00:21:03,013 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 00:21:03,013 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-07-14 00:21:03,014 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 00:21:03,048 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,048 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,049 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,049 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,051 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,051 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,051 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,051 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,051 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,051 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,051 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,051 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,051 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,051 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,052 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,052 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,052 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,052 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,052 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,052 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,052 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,052 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,052 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,052 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,053 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,053 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,053 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,053 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,053 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,053 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,053 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,053 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,053 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,054 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,054 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,054 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,054 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,054 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,054 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,054 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,054 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,054 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,055 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,055 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,055 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,055 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,055 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,055 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,055 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,055 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,055 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,056 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,056 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,056 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,056 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,056 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,056 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,056 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,056 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,056 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,057 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,057 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,057 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,057 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,057 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,057 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,057 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,057 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,057 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,057 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,058 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,058 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,058 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,058 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,058 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,058 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,058 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,058 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,058 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,058 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,059 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,059 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,059 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,059 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,059 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,059 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,059 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,059 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,059 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,060 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,060 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,060 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,060 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,060 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,060 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,060 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,064 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,064 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,064 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,064 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,064 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,064 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,064 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,064 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,065 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,065 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,065 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,065 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,065 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,065 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,065 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,065 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,065 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,066 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,066 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,066 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,066 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,066 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,066 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,066 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,066 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,066 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,068 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,068 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,068 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,068 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,068 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,069 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,069 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,069 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,069 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,069 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,069 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,069 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,073 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,073 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,073 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,073 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,073 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,073 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,074 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,074 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,074 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,074 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,074 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,074 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:03,081 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-14 00:21:03,095 INFO L255 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-07-14 00:21:03,107 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 00:21:03,107 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 00:21:03,107 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 00:21:03,107 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 00:21:03,107 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 00:21:03,107 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 00:21:03,107 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 00:21:03,107 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 00:22:11,320 INFO L276 IsEmpty]: Start isEmpty. Operand has 9349 states, 8737 states have (on average 1.4298958452558086) internal successors, (12493), 9348 states have internal predecessors, (12493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:11,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-14 00:22:11,325 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:11,325 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:11,325 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:11,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:11,329 INFO L82 PathProgramCache]: Analyzing trace with hash 4312800, now seen corresponding path program 1 times [2021-07-14 00:22:11,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:11,336 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881618472] [2021-07-14 00:22:11,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:11,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:11,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:11,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:11,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:11,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:11,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:11,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:11,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:11,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:11,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:11,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:11,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:11,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:11,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:11,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:11,857 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:11,857 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881618472] [2021-07-14 00:22:11,858 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881618472] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:11,858 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:11,858 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 00:22:11,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448269808] [2021-07-14 00:22:11,860 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 00:22:11,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:11,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 00:22:11,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 00:22:11,881 INFO L87 Difference]: Start difference. First operand has 9349 states, 8737 states have (on average 1.4298958452558086) internal successors, (12493), 9348 states have internal predecessors, (12493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:12,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:12,101 INFO L93 Difference]: Finished difference Result 8893 states and 11760 transitions. [2021-07-14 00:22:12,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 00:22:12,102 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-07-14 00:22:12,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:12,128 INFO L225 Difference]: With dead ends: 8893 [2021-07-14 00:22:12,128 INFO L226 Difference]: Without dead ends: 3813 [2021-07-14 00:22:12,129 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 249.0ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-07-14 00:22:12,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3813 states. [2021-07-14 00:22:12,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3813 to 3812. [2021-07-14 00:22:12,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3812 states, 3777 states have (on average 1.4228223457770717) internal successors, (5374), 3811 states have internal predecessors, (5374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:12,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3812 states to 3812 states and 5374 transitions. [2021-07-14 00:22:12,285 INFO L78 Accepts]: Start accepts. Automaton has 3812 states and 5374 transitions. Word has length 36 [2021-07-14 00:22:12,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:12,286 INFO L482 AbstractCegarLoop]: Abstraction has 3812 states and 5374 transitions. [2021-07-14 00:22:12,286 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:12,286 INFO L276 IsEmpty]: Start isEmpty. Operand 3812 states and 5374 transitions. [2021-07-14 00:22:12,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-07-14 00:22:12,289 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:12,289 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:12,290 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 00:22:12,290 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:12,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:12,296 INFO L82 PathProgramCache]: Analyzing trace with hash -334882016, now seen corresponding path program 1 times [2021-07-14 00:22:12,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:12,296 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10439357] [2021-07-14 00:22:12,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:12,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:12,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:12,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:12,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:12,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:12,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:12,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:12,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:12,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:12,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:12,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:12,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:12,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:12,447 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:12,447 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10439357] [2021-07-14 00:22:12,447 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10439357] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:12,447 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:12,447 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 00:22:12,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305897228] [2021-07-14 00:22:12,448 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 00:22:12,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:12,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 00:22:12,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 00:22:12,449 INFO L87 Difference]: Start difference. First operand 3812 states and 5374 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:12,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:12,601 INFO L93 Difference]: Finished difference Result 3814 states and 5376 transitions. [2021-07-14 00:22:12,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 00:22:12,602 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-07-14 00:22:12,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:12,614 INFO L225 Difference]: With dead ends: 3814 [2021-07-14 00:22:12,614 INFO L226 Difference]: Without dead ends: 3814 [2021-07-14 00:22:12,614 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 65.1ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-07-14 00:22:12,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3814 states. [2021-07-14 00:22:12,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3814 to 3810. [2021-07-14 00:22:12,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3810 states, 3776 states have (on average 1.4226694915254237) internal successors, (5372), 3809 states have internal predecessors, (5372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:12,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3810 states to 3810 states and 5372 transitions. [2021-07-14 00:22:12,682 INFO L78 Accepts]: Start accepts. Automaton has 3810 states and 5372 transitions. Word has length 42 [2021-07-14 00:22:12,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:12,682 INFO L482 AbstractCegarLoop]: Abstraction has 3810 states and 5372 transitions. [2021-07-14 00:22:12,682 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:12,682 INFO L276 IsEmpty]: Start isEmpty. Operand 3810 states and 5372 transitions. [2021-07-14 00:22:12,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-07-14 00:22:12,683 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:12,683 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:12,683 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 00:22:12,683 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:12,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:12,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1888111070, now seen corresponding path program 1 times [2021-07-14 00:22:12,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:12,684 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553722125] [2021-07-14 00:22:12,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:12,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:12,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:12,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:12,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:12,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:12,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:12,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:12,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:12,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:12,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:12,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:12,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:12,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:12,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:12,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:12,761 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:12,761 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553722125] [2021-07-14 00:22:12,761 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553722125] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:12,761 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:12,761 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 00:22:12,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58840999] [2021-07-14 00:22:12,762 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 00:22:12,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:12,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 00:22:12,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 00:22:12,762 INFO L87 Difference]: Start difference. First operand 3810 states and 5372 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:13,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:13,020 INFO L93 Difference]: Finished difference Result 6101 states and 9089 transitions. [2021-07-14 00:22:13,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 00:22:13,021 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-07-14 00:22:13,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:13,042 INFO L225 Difference]: With dead ends: 6101 [2021-07-14 00:22:13,042 INFO L226 Difference]: Without dead ends: 6101 [2021-07-14 00:22:13,043 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 94.9ms TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-07-14 00:22:13,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6101 states. [2021-07-14 00:22:13,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6101 to 4240. [2021-07-14 00:22:13,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4240 states, 4207 states have (on average 1.4732588542904683) internal successors, (6198), 4239 states have internal predecessors, (6198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:13,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4240 states to 4240 states and 6198 transitions. [2021-07-14 00:22:13,122 INFO L78 Accepts]: Start accepts. Automaton has 4240 states and 6198 transitions. Word has length 60 [2021-07-14 00:22:13,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:13,123 INFO L482 AbstractCegarLoop]: Abstraction has 4240 states and 6198 transitions. [2021-07-14 00:22:13,123 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:13,123 INFO L276 IsEmpty]: Start isEmpty. Operand 4240 states and 6198 transitions. [2021-07-14 00:22:13,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-07-14 00:22:13,124 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:13,124 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:13,124 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 00:22:13,124 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:13,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:13,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1332255701, now seen corresponding path program 1 times [2021-07-14 00:22:13,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:13,125 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125359944] [2021-07-14 00:22:13,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:13,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:13,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:13,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:13,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:13,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:13,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:13,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:13,234 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:13,234 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125359944] [2021-07-14 00:22:13,234 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125359944] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:13,234 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:13,234 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 00:22:13,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132909301] [2021-07-14 00:22:13,235 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 00:22:13,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:13,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 00:22:13,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 00:22:13,235 INFO L87 Difference]: Start difference. First operand 4240 states and 6198 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:13,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:13,422 INFO L93 Difference]: Finished difference Result 6531 states and 9864 transitions. [2021-07-14 00:22:13,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 00:22:13,422 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-07-14 00:22:13,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:13,437 INFO L225 Difference]: With dead ends: 6531 [2021-07-14 00:22:13,438 INFO L226 Difference]: Without dead ends: 5248 [2021-07-14 00:22:13,438 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 52.8ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-07-14 00:22:13,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5248 states. [2021-07-14 00:22:13,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5248 to 4325. [2021-07-14 00:22:13,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4325 states, 4293 states have (on average 1.604006522245516) internal successors, (6886), 4324 states have internal predecessors, (6886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:13,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4325 states to 4325 states and 6886 transitions. [2021-07-14 00:22:13,562 INFO L78 Accepts]: Start accepts. Automaton has 4325 states and 6886 transitions. Word has length 66 [2021-07-14 00:22:13,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:13,562 INFO L482 AbstractCegarLoop]: Abstraction has 4325 states and 6886 transitions. [2021-07-14 00:22:13,562 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:13,562 INFO L276 IsEmpty]: Start isEmpty. Operand 4325 states and 6886 transitions. [2021-07-14 00:22:13,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-07-14 00:22:13,568 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:13,569 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:13,569 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 00:22:13,569 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:13,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:13,569 INFO L82 PathProgramCache]: Analyzing trace with hash -925408957, now seen corresponding path program 1 times [2021-07-14 00:22:13,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:13,570 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104925293] [2021-07-14 00:22:13,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:13,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:13,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:13,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:13,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:13,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:13,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:13,654 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:13,654 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104925293] [2021-07-14 00:22:13,655 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104925293] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:13,655 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:13,655 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 00:22:13,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042816071] [2021-07-14 00:22:13,656 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 00:22:13,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:13,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 00:22:13,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-14 00:22:13,656 INFO L87 Difference]: Start difference. First operand 4325 states and 6886 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:13,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:13,685 INFO L93 Difference]: Finished difference Result 681 states and 901 transitions. [2021-07-14 00:22:13,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 00:22:13,685 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-07-14 00:22:13,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:13,688 INFO L225 Difference]: With dead ends: 681 [2021-07-14 00:22:13,688 INFO L226 Difference]: Without dead ends: 681 [2021-07-14 00:22:13,688 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 25.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-14 00:22:13,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2021-07-14 00:22:13,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 681. [2021-07-14 00:22:13,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 681 states, 679 states have (on average 1.3269513991163475) internal successors, (901), 680 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:13,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 901 transitions. [2021-07-14 00:22:13,697 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 901 transitions. Word has length 80 [2021-07-14 00:22:13,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:13,697 INFO L482 AbstractCegarLoop]: Abstraction has 681 states and 901 transitions. [2021-07-14 00:22:13,697 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:13,698 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 901 transitions. [2021-07-14 00:22:13,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-07-14 00:22:13,700 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:13,700 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:13,700 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-14 00:22:13,700 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:13,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:13,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1704914928, now seen corresponding path program 1 times [2021-07-14 00:22:13,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:13,701 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956153321] [2021-07-14 00:22:13,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:13,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:13,941 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-07-14 00:22:13,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:13,948 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-14 00:22:13,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:13,957 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-14 00:22:13,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:13,968 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-14 00:22:13,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:22:13,985 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-14 00:22:13,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-14 00:22:14,002 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-14 00:22:14,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-14 00:22:14,015 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:14,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:14,028 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:14,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:14,042 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:14,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:14,055 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:14,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:14,075 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-07-14 00:22:14,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:22:14,109 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-07-14 00:22:14,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:22:14,150 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-07-14 00:22:14,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:22:14,167 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-07-14 00:22:14,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:22:14,172 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-07-14 00:22:14,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:22:14,174 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:14,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:14,188 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-07-14 00:22:14,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:14,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:14,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:14,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:14,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:14,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:14,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:14,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:14,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:14,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:14,242 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:14,242 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956153321] [2021-07-14 00:22:14,242 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956153321] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:14,242 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:14,242 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-07-14 00:22:14,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140089247] [2021-07-14 00:22:14,243 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 00:22:14,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:14,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 00:22:14,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-14 00:22:14,244 INFO L87 Difference]: Start difference. First operand 681 states and 901 transitions. Second operand has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:14,841 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-07-14 00:22:14,990 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-07-14 00:22:15,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:15,374 INFO L93 Difference]: Finished difference Result 807 states and 1083 transitions. [2021-07-14 00:22:15,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 00:22:15,374 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-07-14 00:22:15,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:15,376 INFO L225 Difference]: With dead ends: 807 [2021-07-14 00:22:15,376 INFO L226 Difference]: Without dead ends: 807 [2021-07-14 00:22:15,377 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 1044.3ms TimeCoverageRelationStatistics Valid=316, Invalid=944, Unknown=0, NotChecked=0, Total=1260 [2021-07-14 00:22:15,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2021-07-14 00:22:15,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 799. [2021-07-14 00:22:15,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 797 states have (on average 1.3500627352572145) internal successors, (1076), 798 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:15,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1076 transitions. [2021-07-14 00:22:15,387 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1076 transitions. Word has length 114 [2021-07-14 00:22:15,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:15,387 INFO L482 AbstractCegarLoop]: Abstraction has 799 states and 1076 transitions. [2021-07-14 00:22:15,387 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:15,387 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1076 transitions. [2021-07-14 00:22:15,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-07-14 00:22:15,388 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:15,389 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:15,389 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-14 00:22:15,389 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:15,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:15,389 INFO L82 PathProgramCache]: Analyzing trace with hash 608707698, now seen corresponding path program 2 times [2021-07-14 00:22:15,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:15,389 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420931026] [2021-07-14 00:22:15,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:15,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:15,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:15,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:15,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:15,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:15,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:15,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:15,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:15,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:15,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:15,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:15,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:15,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:15,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:15,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:15,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:15,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:15,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:15,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:15,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:15,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:15,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:15,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:15,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:22:15,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:15,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:15,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:15,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:15,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:15,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:15,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:15,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:15,735 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-07-14 00:22:15,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-14 00:22:15,773 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-14 00:22:15,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:22:15,818 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-14 00:22:15,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:22:15,856 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-14 00:22:15,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:22:15,914 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-14 00:22:15,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:22:15,956 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-14 00:22:15,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:22:16,001 INFO L142 QuantifierPusher]: treesize reduction 25, result has 68.8 percent of original size [2021-07-14 00:22:16,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:22:16,065 INFO L142 QuantifierPusher]: treesize reduction 25, result has 64.8 percent of original size [2021-07-14 00:22:16,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-14 00:22:16,067 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:22:16,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:16,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:16,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:16,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:16,069 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:16,069 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420931026] [2021-07-14 00:22:16,069 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420931026] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:16,069 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:16,069 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-07-14 00:22:16,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603428930] [2021-07-14 00:22:16,070 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 00:22:16,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:16,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 00:22:16,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2021-07-14 00:22:16,070 INFO L87 Difference]: Start difference. First operand 799 states and 1076 transitions. Second operand has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:17,132 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-07-14 00:22:17,288 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-07-14 00:22:17,495 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2021-07-14 00:22:17,685 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-07-14 00:22:17,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:17,806 INFO L93 Difference]: Finished difference Result 926 states and 1284 transitions. [2021-07-14 00:22:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 00:22:17,806 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-07-14 00:22:17,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:17,809 INFO L225 Difference]: With dead ends: 926 [2021-07-14 00:22:17,809 INFO L226 Difference]: Without dead ends: 926 [2021-07-14 00:22:17,809 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 1749.6ms TimeCoverageRelationStatistics Valid=398, Invalid=1324, Unknown=0, NotChecked=0, Total=1722 [2021-07-14 00:22:17,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2021-07-14 00:22:17,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 865. [2021-07-14 00:22:17,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 865 states, 863 states have (on average 1.3719582850521437) internal successors, (1184), 864 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:17,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1184 transitions. [2021-07-14 00:22:17,820 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1184 transitions. Word has length 114 [2021-07-14 00:22:17,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:17,821 INFO L482 AbstractCegarLoop]: Abstraction has 865 states and 1184 transitions. [2021-07-14 00:22:17,821 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:17,821 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1184 transitions. [2021-07-14 00:22:17,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-07-14 00:22:17,822 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:17,822 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:17,822 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-14 00:22:17,822 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:17,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:17,823 INFO L82 PathProgramCache]: Analyzing trace with hash -328853134, now seen corresponding path program 3 times [2021-07-14 00:22:17,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:17,823 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753614360] [2021-07-14 00:22:17,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:17,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:17,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:17,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:17,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:17,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:17,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:17,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:17,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:17,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:17,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:17,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:17,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:17,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:17,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:22:17,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:17,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:17,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:17,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:17,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:17,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:17,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:17,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:18,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:18,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:18,021 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-07-14 00:22:18,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-14 00:22:18,067 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-07-14 00:22:18,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:22:18,103 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-14 00:22:18,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:22:18,140 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-14 00:22:18,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:22:18,176 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-14 00:22:18,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:22:18,228 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-14 00:22:18,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:22:18,276 INFO L142 QuantifierPusher]: treesize reduction 25, result has 68.8 percent of original size [2021-07-14 00:22:18,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:22:18,346 INFO L142 QuantifierPusher]: treesize reduction 25, result has 64.8 percent of original size [2021-07-14 00:22:18,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-14 00:22:18,361 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:22:18,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:18,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:18,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:18,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:18,364 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:18,364 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753614360] [2021-07-14 00:22:18,365 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753614360] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:18,365 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:18,365 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-07-14 00:22:18,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486017237] [2021-07-14 00:22:18,365 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 00:22:18,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:18,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 00:22:18,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2021-07-14 00:22:18,367 INFO L87 Difference]: Start difference. First operand 865 states and 1184 transitions. Second operand has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:19,176 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2021-07-14 00:22:19,334 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2021-07-14 00:22:19,516 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2021-07-14 00:22:19,721 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2021-07-14 00:22:19,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:19,814 INFO L93 Difference]: Finished difference Result 1059 states and 1468 transitions. [2021-07-14 00:22:19,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 00:22:19,814 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-07-14 00:22:19,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:19,817 INFO L225 Difference]: With dead ends: 1059 [2021-07-14 00:22:19,817 INFO L226 Difference]: Without dead ends: 1059 [2021-07-14 00:22:19,817 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1521.0ms TimeCoverageRelationStatistics Valid=296, Invalid=760, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 00:22:19,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2021-07-14 00:22:19,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 824. [2021-07-14 00:22:19,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 822 states have (on average 1.356447688564477) internal successors, (1115), 823 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:19,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1115 transitions. [2021-07-14 00:22:19,828 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1115 transitions. Word has length 114 [2021-07-14 00:22:19,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:19,828 INFO L482 AbstractCegarLoop]: Abstraction has 824 states and 1115 transitions. [2021-07-14 00:22:19,828 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:19,828 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1115 transitions. [2021-07-14 00:22:19,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-07-14 00:22:19,829 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:19,829 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:19,830 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-14 00:22:19,830 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:19,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:19,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1560331016, now seen corresponding path program 1 times [2021-07-14 00:22:19,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:19,830 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125583052] [2021-07-14 00:22:19,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:19,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:19,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:19,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:19,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:22:19,964 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-07-14 00:22:19,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-14 00:22:19,970 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-07-14 00:22:19,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:19,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:19,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:19,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:19,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:19,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:19,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:20,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:20,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:20,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:20,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:20,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:20,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:20,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:20,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:20,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:20,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:20,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:20,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:22:20,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:20,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:20,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:20,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:20,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:20,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:20,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:20,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:20,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:20,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:20,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:20,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:22:20,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:20,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:20,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:20,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:20,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:20,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:20,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:20,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:22:20,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:20,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:20,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:20,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-14 00:22:20,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:20,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:20,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:20,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:22:20,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:20,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:20,525 INFO L142 QuantifierPusher]: treesize reduction 7, result has 96.9 percent of original size [2021-07-14 00:22:20,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-07-14 00:22:20,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:20,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:20,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:20,613 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:20,613 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125583052] [2021-07-14 00:22:20,613 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125583052] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:20,613 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:20,613 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-07-14 00:22:20,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681402931] [2021-07-14 00:22:20,613 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 00:22:20,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:20,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 00:22:20,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=558, Unknown=0, NotChecked=0, Total=650 [2021-07-14 00:22:20,614 INFO L87 Difference]: Start difference. First operand 824 states and 1115 transitions. Second operand has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 26 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:22,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:22,632 INFO L93 Difference]: Finished difference Result 1271 states and 1799 transitions. [2021-07-14 00:22:22,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 00:22:22,632 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 26 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-07-14 00:22:22,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:22,635 INFO L225 Difference]: With dead ends: 1271 [2021-07-14 00:22:22,635 INFO L226 Difference]: Without dead ends: 1211 [2021-07-14 00:22:22,636 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 1743.5ms TimeCoverageRelationStatistics Valid=516, Invalid=1934, Unknown=0, NotChecked=0, Total=2450 [2021-07-14 00:22:22,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2021-07-14 00:22:22,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 969. [2021-07-14 00:22:22,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 969 states, 967 states have (on average 1.4136504653567736) internal successors, (1367), 968 states have internal predecessors, (1367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:22,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1367 transitions. [2021-07-14 00:22:22,648 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1367 transitions. Word has length 114 [2021-07-14 00:22:22,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:22,648 INFO L482 AbstractCegarLoop]: Abstraction has 969 states and 1367 transitions. [2021-07-14 00:22:22,648 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 26 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:22,648 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1367 transitions. [2021-07-14 00:22:22,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-07-14 00:22:22,650 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:22,650 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:22,650 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-07-14 00:22:22,650 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:22,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:22,651 INFO L82 PathProgramCache]: Analyzing trace with hash 929112806, now seen corresponding path program 4 times [2021-07-14 00:22:22,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:22,651 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530007625] [2021-07-14 00:22:22,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:22,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:22,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:22,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:22,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:22,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:22,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:22,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:22,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:22,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:22,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:22,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:22,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:22,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:22,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:22,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:22,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:22,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:22,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:22,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:22,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:22,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:22,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:22,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:22,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:22:22,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:22,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:22,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:22,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:22,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:22,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:22,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:22,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:22,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:22,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:22,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:22,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:22,960 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-07-14 00:22:22,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-14 00:22:22,999 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-14 00:22:23,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:22:23,041 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-14 00:22:23,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:22:23,083 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-14 00:22:23,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:22:23,129 INFO L142 QuantifierPusher]: treesize reduction 25, result has 68.8 percent of original size [2021-07-14 00:22:23,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:22:23,189 INFO L142 QuantifierPusher]: treesize reduction 25, result has 64.8 percent of original size [2021-07-14 00:22:23,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-14 00:22:23,191 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:22:23,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:23,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:23,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:23,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:23,193 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:23,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530007625] [2021-07-14 00:22:23,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530007625] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:23,193 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:23,193 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-07-14 00:22:23,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257113916] [2021-07-14 00:22:23,194 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 00:22:23,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:23,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 00:22:23,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2021-07-14 00:22:23,195 INFO L87 Difference]: Start difference. First operand 969 states and 1367 transitions. Second operand has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:24,085 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2021-07-14 00:22:24,227 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-07-14 00:22:24,394 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-07-14 00:22:24,582 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2021-07-14 00:22:24,805 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-07-14 00:22:24,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:24,945 INFO L93 Difference]: Finished difference Result 1031 states and 1417 transitions. [2021-07-14 00:22:24,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 00:22:24,946 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-07-14 00:22:24,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:24,949 INFO L225 Difference]: With dead ends: 1031 [2021-07-14 00:22:24,949 INFO L226 Difference]: Without dead ends: 1031 [2021-07-14 00:22:24,949 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1729.0ms TimeCoverageRelationStatistics Valid=393, Invalid=1329, Unknown=0, NotChecked=0, Total=1722 [2021-07-14 00:22:24,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2021-07-14 00:22:24,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 865. [2021-07-14 00:22:24,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 865 states, 863 states have (on average 1.361529548088065) internal successors, (1175), 864 states have internal predecessors, (1175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:24,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1175 transitions. [2021-07-14 00:22:24,959 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1175 transitions. Word has length 114 [2021-07-14 00:22:24,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:24,959 INFO L482 AbstractCegarLoop]: Abstraction has 865 states and 1175 transitions. [2021-07-14 00:22:24,959 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:24,960 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1175 transitions. [2021-07-14 00:22:24,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-07-14 00:22:24,961 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:24,961 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:24,961 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-07-14 00:22:24,961 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:24,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:24,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1313778576, now seen corresponding path program 2 times [2021-07-14 00:22:24,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:24,962 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715788528] [2021-07-14 00:22:24,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:25,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:25,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:22:25,084 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-07-14 00:22:25,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-14 00:22:25,088 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-07-14 00:22:25,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:25,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:25,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:25,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:25,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:25,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:25,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:25,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:25,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:25,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:22:25,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:25,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:25,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:25,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:25,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:25,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:25,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:22:25,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:25,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:25,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:22:25,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:25,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-14 00:22:25,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:25,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:22:25,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:25,627 INFO L142 QuantifierPusher]: treesize reduction 7, result has 96.9 percent of original size [2021-07-14 00:22:25,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-07-14 00:22:25,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:25,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:25,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:25,697 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:25,697 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715788528] [2021-07-14 00:22:25,697 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715788528] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:25,697 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:25,697 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-07-14 00:22:25,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078539854] [2021-07-14 00:22:25,698 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 00:22:25,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:25,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 00:22:25,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=559, Unknown=0, NotChecked=0, Total=650 [2021-07-14 00:22:25,698 INFO L87 Difference]: Start difference. First operand 865 states and 1175 transitions. Second operand has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 26 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:27,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:27,767 INFO L93 Difference]: Finished difference Result 1302 states and 1843 transitions. [2021-07-14 00:22:27,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 00:22:27,768 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 26 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-07-14 00:22:27,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:27,780 INFO L225 Difference]: With dead ends: 1302 [2021-07-14 00:22:27,780 INFO L226 Difference]: Without dead ends: 1242 [2021-07-14 00:22:27,781 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 1651.3ms TimeCoverageRelationStatistics Valid=518, Invalid=1932, Unknown=0, NotChecked=0, Total=2450 [2021-07-14 00:22:27,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2021-07-14 00:22:27,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 979. [2021-07-14 00:22:27,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 979 states, 977 states have (on average 1.4145342886386898) internal successors, (1382), 978 states have internal predecessors, (1382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:27,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 1382 transitions. [2021-07-14 00:22:27,793 INFO L78 Accepts]: Start accepts. Automaton has 979 states and 1382 transitions. Word has length 114 [2021-07-14 00:22:27,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:27,793 INFO L482 AbstractCegarLoop]: Abstraction has 979 states and 1382 transitions. [2021-07-14 00:22:27,793 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 26 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:27,793 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1382 transitions. [2021-07-14 00:22:27,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-07-14 00:22:27,794 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:27,795 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:27,795 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-07-14 00:22:27,795 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:27,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:27,795 INFO L82 PathProgramCache]: Analyzing trace with hash 682560366, now seen corresponding path program 5 times [2021-07-14 00:22:27,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:27,795 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401821902] [2021-07-14 00:22:27,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:27,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:27,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:27,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:27,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:27,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:27,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:27,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:27,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:27,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:27,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:27,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:27,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:27,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:27,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:27,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:27,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:27,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:27,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:27,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:27,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:27,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:27,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:27,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:27,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:22:27,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:27,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:27,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:27,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:28,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:28,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:28,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:28,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:28,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:28,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:28,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:28,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:28,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:28,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:28,109 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-07-14 00:22:28,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-14 00:22:28,146 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-14 00:22:28,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:22:28,188 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-14 00:22:28,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:22:28,232 INFO L142 QuantifierPusher]: treesize reduction 25, result has 68.8 percent of original size [2021-07-14 00:22:28,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:22:28,290 INFO L142 QuantifierPusher]: treesize reduction 25, result has 64.8 percent of original size [2021-07-14 00:22:28,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-14 00:22:28,292 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:22:28,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:28,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:28,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:28,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:28,293 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:28,293 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401821902] [2021-07-14 00:22:28,293 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401821902] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:28,294 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:28,294 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-07-14 00:22:28,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703190096] [2021-07-14 00:22:28,294 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 00:22:28,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:28,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 00:22:28,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2021-07-14 00:22:28,295 INFO L87 Difference]: Start difference. First operand 979 states and 1382 transitions. Second operand has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:29,198 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2021-07-14 00:22:29,341 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-07-14 00:22:29,491 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-07-14 00:22:29,691 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2021-07-14 00:22:29,881 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-07-14 00:22:30,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:30,005 INFO L93 Difference]: Finished difference Result 1062 states and 1461 transitions. [2021-07-14 00:22:30,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 00:22:30,005 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-07-14 00:22:30,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:30,007 INFO L225 Difference]: With dead ends: 1062 [2021-07-14 00:22:30,007 INFO L226 Difference]: Without dead ends: 1062 [2021-07-14 00:22:30,008 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1666.3ms TimeCoverageRelationStatistics Valid=393, Invalid=1329, Unknown=0, NotChecked=0, Total=1722 [2021-07-14 00:22:30,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2021-07-14 00:22:30,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 855. [2021-07-14 00:22:30,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 853 states have (on average 1.35873388042204) internal successors, (1159), 854 states have internal predecessors, (1159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:30,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1159 transitions. [2021-07-14 00:22:30,018 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1159 transitions. Word has length 114 [2021-07-14 00:22:30,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:30,018 INFO L482 AbstractCegarLoop]: Abstraction has 855 states and 1159 transitions. [2021-07-14 00:22:30,018 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:30,018 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1159 transitions. [2021-07-14 00:22:30,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-07-14 00:22:30,019 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:30,019 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:30,020 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-07-14 00:22:30,020 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:30,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:30,020 INFO L82 PathProgramCache]: Analyzing trace with hash -2120578160, now seen corresponding path program 3 times [2021-07-14 00:22:30,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:30,020 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815363242] [2021-07-14 00:22:30,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:30,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:30,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:22:30,142 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-07-14 00:22:30,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-14 00:22:30,146 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-07-14 00:22:30,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:30,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:30,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:30,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:30,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:30,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:30,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:30,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:30,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:30,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:22:30,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:30,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:30,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:30,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:30,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:30,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:30,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:30,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:22:30,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:30,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:22:30,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:30,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-14 00:22:30,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:30,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:22:30,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:30,656 INFO L142 QuantifierPusher]: treesize reduction 7, result has 96.9 percent of original size [2021-07-14 00:22:30,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-07-14 00:22:30,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:30,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:30,730 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:30,730 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815363242] [2021-07-14 00:22:30,730 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815363242] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:30,730 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:30,730 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-07-14 00:22:30,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64885671] [2021-07-14 00:22:30,730 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 00:22:30,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:30,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 00:22:30,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=560, Unknown=0, NotChecked=0, Total=650 [2021-07-14 00:22:30,731 INFO L87 Difference]: Start difference. First operand 855 states and 1159 transitions. Second operand has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 26 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:32,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:32,737 INFO L93 Difference]: Finished difference Result 1287 states and 1819 transitions. [2021-07-14 00:22:32,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 00:22:32,737 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 26 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-07-14 00:22:32,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:32,739 INFO L225 Difference]: With dead ends: 1287 [2021-07-14 00:22:32,739 INFO L226 Difference]: Without dead ends: 1227 [2021-07-14 00:22:32,740 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 1566.3ms TimeCoverageRelationStatistics Valid=520, Invalid=1930, Unknown=0, NotChecked=0, Total=2450 [2021-07-14 00:22:32,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2021-07-14 00:22:32,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 964. [2021-07-14 00:22:32,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 962 states have (on average 1.4116424116424116) internal successors, (1358), 963 states have internal predecessors, (1358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:32,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1358 transitions. [2021-07-14 00:22:32,757 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1358 transitions. Word has length 114 [2021-07-14 00:22:32,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:32,757 INFO L482 AbstractCegarLoop]: Abstraction has 964 states and 1358 transitions. [2021-07-14 00:22:32,758 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 26 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:32,758 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1358 transitions. [2021-07-14 00:22:32,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-07-14 00:22:32,759 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:32,759 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:32,759 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-07-14 00:22:32,759 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:32,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:32,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1543170926, now seen corresponding path program 6 times [2021-07-14 00:22:32,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:32,760 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880439720] [2021-07-14 00:22:32,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:32,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:32,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:32,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:32,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:32,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:32,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:32,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:32,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:32,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:32,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:32,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:32,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:32,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:32,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:32,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:32,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:32,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:32,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:32,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:32,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:32,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:32,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:32,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:32,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:22:32,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:32,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:32,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:32,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:32,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:32,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:32,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:32,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:33,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:33,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:33,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:33,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:33,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:33,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:33,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:33,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:33,098 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-07-14 00:22:33,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-14 00:22:33,136 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-14 00:22:33,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:22:33,178 INFO L142 QuantifierPusher]: treesize reduction 25, result has 68.8 percent of original size [2021-07-14 00:22:33,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:22:33,233 INFO L142 QuantifierPusher]: treesize reduction 25, result has 64.8 percent of original size [2021-07-14 00:22:33,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-14 00:22:33,235 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:22:33,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:33,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:33,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:33,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:33,236 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:33,236 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880439720] [2021-07-14 00:22:33,236 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880439720] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:33,236 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:33,236 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-07-14 00:22:33,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470908110] [2021-07-14 00:22:33,237 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 00:22:33,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:33,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 00:22:33,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2021-07-14 00:22:33,237 INFO L87 Difference]: Start difference. First operand 964 states and 1358 transitions. Second operand has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:34,290 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-07-14 00:22:34,452 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-07-14 00:22:34,629 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2021-07-14 00:22:34,832 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-07-14 00:22:34,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:34,949 INFO L93 Difference]: Finished difference Result 1047 states and 1437 transitions. [2021-07-14 00:22:34,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 00:22:34,949 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-07-14 00:22:34,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:34,951 INFO L225 Difference]: With dead ends: 1047 [2021-07-14 00:22:34,951 INFO L226 Difference]: Without dead ends: 1047 [2021-07-14 00:22:34,951 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1668.9ms TimeCoverageRelationStatistics Valid=393, Invalid=1329, Unknown=0, NotChecked=0, Total=1722 [2021-07-14 00:22:34,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2021-07-14 00:22:34,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 850. [2021-07-14 00:22:34,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 848 states have (on average 1.357311320754717) internal successors, (1151), 849 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:34,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1151 transitions. [2021-07-14 00:22:34,961 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1151 transitions. Word has length 114 [2021-07-14 00:22:34,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:34,961 INFO L482 AbstractCegarLoop]: Abstraction has 850 states and 1151 transitions. [2021-07-14 00:22:34,961 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:34,961 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1151 transitions. [2021-07-14 00:22:34,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-07-14 00:22:34,962 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:34,963 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:34,963 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-07-14 00:22:34,963 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:34,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:34,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1240531720, now seen corresponding path program 4 times [2021-07-14 00:22:34,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:34,963 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387520782] [2021-07-14 00:22:34,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:35,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:35,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:35,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:35,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:22:35,062 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-07-14 00:22:35,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-14 00:22:35,066 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-07-14 00:22:35,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:35,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:35,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:35,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:35,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:35,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:35,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:35,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:35,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:35,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:35,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:35,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:35,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:35,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:35,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:35,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:35,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:35,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:35,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:22:35,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:35,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:35,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:35,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:35,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:35,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:35,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:35,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:35,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:35,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:35,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:35,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:35,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:35,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:35,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:35,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:35,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:35,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:22:35,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:35,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:22:35,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:35,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:35,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:35,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-14 00:22:35,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:35,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:35,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:35,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:22:35,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:35,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:35,612 INFO L142 QuantifierPusher]: treesize reduction 7, result has 96.9 percent of original size [2021-07-14 00:22:35,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-07-14 00:22:35,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:35,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:35,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:35,690 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:35,690 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387520782] [2021-07-14 00:22:35,690 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387520782] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:35,690 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:35,690 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-07-14 00:22:35,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828307342] [2021-07-14 00:22:35,691 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 00:22:35,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:35,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 00:22:35,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=561, Unknown=0, NotChecked=0, Total=650 [2021-07-14 00:22:35,691 INFO L87 Difference]: Start difference. First operand 850 states and 1151 transitions. Second operand has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 26 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:37,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:37,674 INFO L93 Difference]: Finished difference Result 1122 states and 1539 transitions. [2021-07-14 00:22:37,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 00:22:37,675 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 26 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-07-14 00:22:37,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:37,676 INFO L225 Difference]: With dead ends: 1122 [2021-07-14 00:22:37,676 INFO L226 Difference]: Without dead ends: 1042 [2021-07-14 00:22:37,677 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 1464.8ms TimeCoverageRelationStatistics Valid=473, Invalid=1783, Unknown=0, NotChecked=0, Total=2256 [2021-07-14 00:22:37,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2021-07-14 00:22:37,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 814. [2021-07-14 00:22:37,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 814 states, 812 states have (on average 1.3275862068965518) internal successors, (1078), 813 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:37,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 1078 transitions. [2021-07-14 00:22:37,687 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 1078 transitions. Word has length 114 [2021-07-14 00:22:37,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:37,687 INFO L482 AbstractCegarLoop]: Abstraction has 814 states and 1078 transitions. [2021-07-14 00:22:37,687 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 26 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:37,687 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1078 transitions. [2021-07-14 00:22:37,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-07-14 00:22:37,688 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:37,688 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:37,688 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-07-14 00:22:37,689 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:37,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:37,689 INFO L82 PathProgramCache]: Analyzing trace with hash 609313510, now seen corresponding path program 7 times [2021-07-14 00:22:37,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:37,689 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949379253] [2021-07-14 00:22:37,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:37,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:37,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:37,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:37,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:37,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:37,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:37,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:37,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:37,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:37,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:37,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:37,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:37,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:37,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:37,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:37,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:37,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:37,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:37,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:37,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:37,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:37,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:37,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:37,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:22:37,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:37,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:37,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:37,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:37,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:37,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:37,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:37,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:37,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:37,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:37,947 INFO L142 QuantifierPusher]: treesize reduction 13, result has 68.3 percent of original size [2021-07-14 00:22:37,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:37,985 INFO L142 QuantifierPusher]: treesize reduction 13, result has 68.3 percent of original size [2021-07-14 00:22:37,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:38,021 INFO L142 QuantifierPusher]: treesize reduction 13, result has 68.3 percent of original size [2021-07-14 00:22:38,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:38,058 INFO L142 QuantifierPusher]: treesize reduction 13, result has 68.3 percent of original size [2021-07-14 00:22:38,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:38,097 INFO L142 QuantifierPusher]: treesize reduction 25, result has 62.1 percent of original size [2021-07-14 00:22:38,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:22:38,167 INFO L142 QuantifierPusher]: treesize reduction 25, result has 68.8 percent of original size [2021-07-14 00:22:38,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:22:38,225 INFO L142 QuantifierPusher]: treesize reduction 25, result has 64.8 percent of original size [2021-07-14 00:22:38,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-14 00:22:38,227 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:22:38,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:38,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:38,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:38,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:38,228 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:38,228 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949379253] [2021-07-14 00:22:38,228 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949379253] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:38,228 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:38,229 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-07-14 00:22:38,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004630050] [2021-07-14 00:22:38,229 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 00:22:38,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:38,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 00:22:38,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2021-07-14 00:22:38,229 INFO L87 Difference]: Start difference. First operand 814 states and 1078 transitions. Second operand has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:39,112 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2021-07-14 00:22:39,265 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-07-14 00:22:39,438 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-07-14 00:22:39,633 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-07-14 00:22:39,841 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2021-07-14 00:22:39,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:39,964 INFO L93 Difference]: Finished difference Result 986 states and 1314 transitions. [2021-07-14 00:22:39,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 00:22:39,965 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-07-14 00:22:39,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:39,966 INFO L225 Difference]: With dead ends: 986 [2021-07-14 00:22:39,966 INFO L226 Difference]: Without dead ends: 986 [2021-07-14 00:22:39,967 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1733.1ms TimeCoverageRelationStatistics Valid=393, Invalid=1329, Unknown=0, NotChecked=0, Total=1722 [2021-07-14 00:22:39,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2021-07-14 00:22:39,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 809. [2021-07-14 00:22:39,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 807 states have (on average 1.322180916976456) internal successors, (1067), 808 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:39,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1067 transitions. [2021-07-14 00:22:39,976 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1067 transitions. Word has length 114 [2021-07-14 00:22:39,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:39,976 INFO L482 AbstractCegarLoop]: Abstraction has 809 states and 1067 transitions. [2021-07-14 00:22:39,976 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:39,976 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1067 transitions. [2021-07-14 00:22:39,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-07-14 00:22:39,978 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:39,978 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:39,978 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-07-14 00:22:39,978 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:39,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:39,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1879776816, now seen corresponding path program 8 times [2021-07-14 00:22:39,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:39,978 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049468977] [2021-07-14 00:22:39,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:40,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:40,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:40,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:40,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:40,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:40,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:40,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:40,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:40,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:40,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:40,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:40,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:40,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:40,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:40,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:40,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:40,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:40,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:40,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:40,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:40,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:40,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:40,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:40,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-14 00:22:40,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:40,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:40,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:40,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:40,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:40,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:40,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:40,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:40,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:40,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:22:40,232 INFO L142 QuantifierPusher]: treesize reduction 13, result has 68.3 percent of original size [2021-07-14 00:22:40,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:40,265 INFO L142 QuantifierPusher]: treesize reduction 13, result has 74.0 percent of original size [2021-07-14 00:22:40,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:22:40,304 INFO L142 QuantifierPusher]: treesize reduction 13, result has 74.0 percent of original size [2021-07-14 00:22:40,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:22:40,349 INFO L142 QuantifierPusher]: treesize reduction 13, result has 74.0 percent of original size [2021-07-14 00:22:40,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:22:40,401 INFO L142 QuantifierPusher]: treesize reduction 13, result has 74.0 percent of original size [2021-07-14 00:22:40,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:22:40,446 INFO L142 QuantifierPusher]: treesize reduction 25, result has 68.8 percent of original size [2021-07-14 00:22:40,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:22:40,506 INFO L142 QuantifierPusher]: treesize reduction 25, result has 64.8 percent of original size [2021-07-14 00:22:40,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-14 00:22:40,507 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:22:40,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:40,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:40,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:40,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:40,509 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:40,509 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049468977] [2021-07-14 00:22:40,509 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049468977] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:40,509 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:40,510 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-07-14 00:22:40,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983639417] [2021-07-14 00:22:40,510 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 00:22:40,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:40,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 00:22:40,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2021-07-14 00:22:40,511 INFO L87 Difference]: Start difference. First operand 809 states and 1067 transitions. Second operand has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:41,520 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-07-14 00:22:41,674 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-07-14 00:22:41,863 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2021-07-14 00:22:42,061 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-07-14 00:22:42,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:42,115 INFO L93 Difference]: Finished difference Result 679 states and 844 transitions. [2021-07-14 00:22:42,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 00:22:42,116 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-07-14 00:22:42,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:42,117 INFO L225 Difference]: With dead ends: 679 [2021-07-14 00:22:42,117 INFO L226 Difference]: Without dead ends: 619 [2021-07-14 00:22:42,117 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1669.5ms TimeCoverageRelationStatistics Valid=393, Invalid=1329, Unknown=0, NotChecked=0, Total=1722 [2021-07-14 00:22:42,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2021-07-14 00:22:42,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 619. [2021-07-14 00:22:42,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 617 states have (on average 1.2706645056726094) internal successors, (784), 618 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:42,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 784 transitions. [2021-07-14 00:22:42,123 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 784 transitions. Word has length 114 [2021-07-14 00:22:42,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:42,123 INFO L482 AbstractCegarLoop]: Abstraction has 619 states and 784 transitions. [2021-07-14 00:22:42,123 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:42,123 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 784 transitions. [2021-07-14 00:22:42,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-07-14 00:22:42,125 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:42,125 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:42,125 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-07-14 00:22:42,125 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:42,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:42,125 INFO L82 PathProgramCache]: Analyzing trace with hash 288738864, now seen corresponding path program 9 times [2021-07-14 00:22:42,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:42,125 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265063847] [2021-07-14 00:22:42,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:42,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:42,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:42,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:42,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:42,246 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-07-14 00:22:42,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:42,251 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-14 00:22:42,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:42,258 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-14 00:22:42,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:42,266 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-14 00:22:42,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:22:42,279 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-14 00:22:42,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-14 00:22:42,290 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-14 00:22:42,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-14 00:22:42,308 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:42,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:42,321 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:42,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:42,335 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:42,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:42,351 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:42,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:42,369 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-07-14 00:22:42,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:22:42,407 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-07-14 00:22:42,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:22:42,448 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-07-14 00:22:42,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:22:42,463 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-07-14 00:22:42,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:22:42,464 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:42,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:42,479 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:42,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:42,480 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-07-14 00:22:42,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:42,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:42,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:42,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:42,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:42,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:42,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:42,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:42,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:42,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:42,538 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:42,538 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265063847] [2021-07-14 00:22:42,538 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265063847] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:42,538 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:42,538 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-07-14 00:22:42,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118766348] [2021-07-14 00:22:42,539 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 00:22:42,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:42,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 00:22:42,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-14 00:22:42,540 INFO L87 Difference]: Start difference. First operand 619 states and 784 transitions. Second operand has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:43,194 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-07-14 00:22:43,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:43,554 INFO L93 Difference]: Finished difference Result 776 states and 1005 transitions. [2021-07-14 00:22:43,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 00:22:43,554 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-07-14 00:22:43,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:43,555 INFO L225 Difference]: With dead ends: 776 [2021-07-14 00:22:43,556 INFO L226 Difference]: Without dead ends: 776 [2021-07-14 00:22:43,556 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 997.8ms TimeCoverageRelationStatistics Valid=316, Invalid=944, Unknown=0, NotChecked=0, Total=1260 [2021-07-14 00:22:43,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2021-07-14 00:22:43,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 583. [2021-07-14 00:22:43,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 582 states have (on average 1.2714776632302405) internal successors, (740), 582 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:43,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 740 transitions. [2021-07-14 00:22:43,564 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 740 transitions. Word has length 114 [2021-07-14 00:22:43,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:43,564 INFO L482 AbstractCegarLoop]: Abstraction has 583 states and 740 transitions. [2021-07-14 00:22:43,564 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:43,564 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 740 transitions. [2021-07-14 00:22:43,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:22:43,565 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:43,565 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:43,565 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-07-14 00:22:43,565 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:43,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:43,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1439029827, now seen corresponding path program 1 times [2021-07-14 00:22:43,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:43,566 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486263548] [2021-07-14 00:22:43,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:43,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:43,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:43,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:43,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:22:43,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:43,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:43,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:43,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:22:43,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:43,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:43,748 INFO L142 QuantifierPusher]: treesize reduction 25, result has 47.9 percent of original size [2021-07-14 00:22:43,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:43,759 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.0 percent of original size [2021-07-14 00:22:43,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:22:43,779 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.4 percent of original size [2021-07-14 00:22:43,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-14 00:22:43,818 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-14 00:22:43,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:22:43,839 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-14 00:22:43,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:22:43,863 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-14 00:22:43,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:22:43,885 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:22:43,885 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:22:43,920 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:22:43,921 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:22:43,958 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:22:43,958 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:22:43,998 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:22:43,998 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:22:44,039 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-07-14 00:22:44,040 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.6 percent of original size 43 [2021-07-14 00:22:44,085 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.5 percent of original size [2021-07-14 00:22:44,086 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size 46 [2021-07-14 00:22:44,105 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-14 00:22:44,106 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:22:44,123 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-14 00:22:44,124 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:22:44,163 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.8 percent of original size [2021-07-14 00:22:44,164 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.5 percent of original size 32 [2021-07-14 00:22:44,200 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-14 00:22:44,202 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:22:44,240 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:22:44,241 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:22:44,280 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:22:44,281 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:22:44,322 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:22:44,324 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:22:44,369 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:22:44,369 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:22:44,434 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-07-14 00:22:44,434 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:22:44,486 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:22:44,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:44,533 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:22:44,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:44,559 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:22:44,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:44,591 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:22:44,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:44,623 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:22:44,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:44,624 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:22:44,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:44,654 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:22:44,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:44,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:44,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:44,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:44,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:44,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:44,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:44,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:44,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:44,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:44,761 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:44,761 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486263548] [2021-07-14 00:22:44,761 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486263548] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:44,761 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:44,761 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2021-07-14 00:22:44,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303924236] [2021-07-14 00:22:44,761 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 00:22:44,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:44,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 00:22:44,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=974, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 00:22:44,762 INFO L87 Difference]: Start difference. First operand 583 states and 740 transitions. Second operand has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:45,924 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-07-14 00:22:46,141 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-14 00:22:46,395 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2021-07-14 00:22:47,095 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-14 00:22:47,282 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-14 00:22:47,467 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-14 00:22:47,648 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2021-07-14 00:22:48,017 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-14 00:22:48,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:48,866 INFO L93 Difference]: Finished difference Result 807 states and 1066 transitions. [2021-07-14 00:22:48,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 00:22:48,866 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:22:48,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:48,867 INFO L225 Difference]: With dead ends: 807 [2021-07-14 00:22:48,867 INFO L226 Difference]: Without dead ends: 683 [2021-07-14 00:22:48,868 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 726 ImplicationChecksByTransitivity, 4091.7ms TimeCoverageRelationStatistics Valid=651, Invalid=3381, Unknown=0, NotChecked=0, Total=4032 [2021-07-14 00:22:48,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2021-07-14 00:22:48,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 607. [2021-07-14 00:22:48,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 606 states have (on average 1.2805280528052805) internal successors, (776), 606 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:48,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 776 transitions. [2021-07-14 00:22:48,877 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 776 transitions. Word has length 120 [2021-07-14 00:22:48,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:48,877 INFO L482 AbstractCegarLoop]: Abstraction has 607 states and 776 transitions. [2021-07-14 00:22:48,877 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:48,877 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 776 transitions. [2021-07-14 00:22:48,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:22:48,878 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:48,878 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:48,879 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-07-14 00:22:48,879 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:48,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:48,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1917484195, now seen corresponding path program 2 times [2021-07-14 00:22:48,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:48,880 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007998962] [2021-07-14 00:22:48,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:49,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:49,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:49,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:49,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:22:49,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:49,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:49,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:49,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:22:49,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:49,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:49,044 INFO L142 QuantifierPusher]: treesize reduction 25, result has 51.9 percent of original size [2021-07-14 00:22:49,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:49,058 INFO L142 QuantifierPusher]: treesize reduction 25, result has 61.5 percent of original size [2021-07-14 00:22:49,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:22:49,080 INFO L142 QuantifierPusher]: treesize reduction 21, result has 72.0 percent of original size [2021-07-14 00:22:49,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-07-14 00:22:49,127 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-14 00:22:49,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:22:49,150 INFO L142 QuantifierPusher]: treesize reduction 12, result has 77.8 percent of original size [2021-07-14 00:22:49,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:22:49,171 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-14 00:22:49,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:22:49,190 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-14 00:22:49,191 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-14 00:22:49,228 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-14 00:22:49,228 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-14 00:22:49,266 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-14 00:22:49,267 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-14 00:22:49,309 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-14 00:22:49,310 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-14 00:22:49,353 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.8 percent of original size [2021-07-14 00:22:49,353 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.4 percent of original size 47 [2021-07-14 00:22:49,400 INFO L142 QuantifierPusher]: treesize reduction 14, result has 79.7 percent of original size [2021-07-14 00:22:49,401 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.9 percent of original size 50 [2021-07-14 00:22:49,419 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-14 00:22:49,419 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:22:49,456 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-14 00:22:49,457 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:22:49,496 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.8 percent of original size [2021-07-14 00:22:49,496 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.5 percent of original size 32 [2021-07-14 00:22:49,550 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:22:49,551 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-14 00:22:49,600 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:22:49,600 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-14 00:22:49,669 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:22:49,669 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-14 00:22:49,719 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:22:49,720 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-14 00:22:49,766 INFO L142 QuantifierPusher]: treesize reduction 46, result has 41.0 percent of original size [2021-07-14 00:22:49,767 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size 27 [2021-07-14 00:22:49,829 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-07-14 00:22:49,830 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:22:49,881 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-07-14 00:22:49,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:22:49,915 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-07-14 00:22:49,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:49,951 INFO L142 QuantifierPusher]: treesize reduction 16, result has 56.8 percent of original size [2021-07-14 00:22:49,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:22:49,983 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-07-14 00:22:49,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:50,020 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:22:50,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:50,067 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:22:50,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:50,068 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:22:50,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:50,099 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:22:50,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:50,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:50,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:50,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:50,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:50,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:50,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:50,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:50,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:50,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:50,204 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:50,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007998962] [2021-07-14 00:22:50,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007998962] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:50,204 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:50,204 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:22:50,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995881295] [2021-07-14 00:22:50,204 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:22:50,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:50,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:22:50,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1096, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:22:50,205 INFO L87 Difference]: Start difference. First operand 607 states and 776 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:51,384 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 62 [2021-07-14 00:22:51,554 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-07-14 00:22:51,804 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-14 00:22:52,108 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2021-07-14 00:22:52,494 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-07-14 00:22:52,760 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2021-07-14 00:22:53,293 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-07-14 00:22:53,611 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2021-07-14 00:22:53,905 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 88 [2021-07-14 00:22:54,232 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 92 [2021-07-14 00:22:54,407 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2021-07-14 00:22:54,622 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2021-07-14 00:22:54,816 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2021-07-14 00:22:56,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:56,005 INFO L93 Difference]: Finished difference Result 788 states and 1038 transitions. [2021-07-14 00:22:56,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 00:22:56,006 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:22:56,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:56,007 INFO L225 Difference]: With dead ends: 788 [2021-07-14 00:22:56,007 INFO L226 Difference]: Without dead ends: 674 [2021-07-14 00:22:56,008 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 906 ImplicationChecksByTransitivity, 5647.7ms TimeCoverageRelationStatistics Valid=878, Invalid=4092, Unknown=0, NotChecked=0, Total=4970 [2021-07-14 00:22:56,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2021-07-14 00:22:56,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 612. [2021-07-14 00:22:56,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 611 states have (on average 1.2847790507364976) internal successors, (785), 611 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:56,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 785 transitions. [2021-07-14 00:22:56,014 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 785 transitions. Word has length 120 [2021-07-14 00:22:56,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:56,014 INFO L482 AbstractCegarLoop]: Abstraction has 612 states and 785 transitions. [2021-07-14 00:22:56,014 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:56,014 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 785 transitions. [2021-07-14 00:22:56,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:22:56,015 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:56,015 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:22:56,015 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-07-14 00:22:56,015 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:56,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:56,016 INFO L82 PathProgramCache]: Analyzing trace with hash 607860393, now seen corresponding path program 3 times [2021-07-14 00:22:56,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:56,016 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310990161] [2021-07-14 00:22:56,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:56,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:56,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:56,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:56,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:22:56,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:56,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:56,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:56,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:22:56,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:56,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:56,256 INFO L142 QuantifierPusher]: treesize reduction 20, result has 62.3 percent of original size [2021-07-14 00:22:56,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:22:56,278 INFO L142 QuantifierPusher]: treesize reduction 20, result has 69.7 percent of original size [2021-07-14 00:22:56,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-14 00:22:56,316 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.0 percent of original size [2021-07-14 00:22:56,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-14 00:22:56,362 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-14 00:22:56,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-14 00:22:56,412 INFO L142 QuantifierPusher]: treesize reduction 26, result has 69.0 percent of original size [2021-07-14 00:22:56,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-14 00:22:56,464 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-14 00:22:56,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-14 00:22:56,535 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-14 00:22:56,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-14 00:22:56,614 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.3 percent of original size [2021-07-14 00:22:56,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:22:56,665 INFO L142 QuantifierPusher]: treesize reduction 20, result has 60.8 percent of original size [2021-07-14 00:22:56,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:22:56,688 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-07-14 00:22:56,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:56,713 INFO L142 QuantifierPusher]: treesize reduction 20, result has 57.4 percent of original size [2021-07-14 00:22:56,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:56,738 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:22:56,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:22:56,773 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:22:56,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:22:56,819 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:22:56,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:22:56,875 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:22:56,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:22:56,915 INFO L142 QuantifierPusher]: treesize reduction 24, result has 62.5 percent of original size [2021-07-14 00:22:56,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:22:56,958 INFO L142 QuantifierPusher]: treesize reduction 24, result has 64.2 percent of original size [2021-07-14 00:22:56,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:22:56,982 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-14 00:22:56,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:22:57,019 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-14 00:22:57,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:22:57,048 INFO L142 QuantifierPusher]: treesize reduction 29, result has 46.3 percent of original size [2021-07-14 00:22:57,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:22:57,077 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-14 00:22:57,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:57,117 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-14 00:22:57,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:57,149 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-14 00:22:57,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:57,195 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-14 00:22:57,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:57,235 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-14 00:22:57,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:22:57,283 INFO L142 QuantifierPusher]: treesize reduction 47, result has 44.0 percent of original size [2021-07-14 00:22:57,284 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size 31 [2021-07-14 00:22:57,334 INFO L142 QuantifierPusher]: treesize reduction 19, result has 56.8 percent of original size [2021-07-14 00:22:57,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:22:57,373 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-14 00:22:57,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:22:57,403 INFO L142 QuantifierPusher]: treesize reduction 29, result has 32.6 percent of original size [2021-07-14 00:22:57,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:57,436 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 00:22:57,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:22:57,471 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 00:22:57,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:22:57,472 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-14 00:22:57,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:57,505 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-14 00:22:57,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:57,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:57,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:57,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:57,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:57,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:57,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:57,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:57,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:57,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:22:57,623 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:57,623 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310990161] [2021-07-14 00:22:57,624 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310990161] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:57,624 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:57,624 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-07-14 00:22:57,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299630583] [2021-07-14 00:22:57,624 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 00:22:57,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:57,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 00:22:57,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1366, Unknown=0, NotChecked=0, Total=1482 [2021-07-14 00:22:57,625 INFO L87 Difference]: Start difference. First operand 612 states and 785 transitions. Second operand has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:59,388 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2021-07-14 00:22:59,566 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2021-07-14 00:22:59,745 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-07-14 00:22:59,991 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2021-07-14 00:23:00,288 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-07-14 00:23:00,510 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-14 00:23:00,957 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-14 00:23:01,469 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 86 [2021-07-14 00:23:01,634 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2021-07-14 00:23:01,781 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2021-07-14 00:23:01,966 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2021-07-14 00:23:03,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:23:03,041 INFO L93 Difference]: Finished difference Result 782 states and 1030 transitions. [2021-07-14 00:23:03,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 00:23:03,042 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:23:03,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:23:03,043 INFO L225 Difference]: With dead ends: 782 [2021-07-14 00:23:03,043 INFO L226 Difference]: Without dead ends: 673 [2021-07-14 00:23:03,044 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1273 ImplicationChecksByTransitivity, 5706.8ms TimeCoverageRelationStatistics Valid=1004, Invalid=5316, Unknown=0, NotChecked=0, Total=6320 [2021-07-14 00:23:03,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2021-07-14 00:23:03,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 611. [2021-07-14 00:23:03,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 610 states have (on average 1.2836065573770492) internal successors, (783), 610 states have internal predecessors, (783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:03,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 783 transitions. [2021-07-14 00:23:03,050 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 783 transitions. Word has length 120 [2021-07-14 00:23:03,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:23:03,050 INFO L482 AbstractCegarLoop]: Abstraction has 611 states and 783 transitions. [2021-07-14 00:23:03,050 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:03,050 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 783 transitions. [2021-07-14 00:23:03,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:23:03,051 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:23:03,051 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:23:03,051 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-07-14 00:23:03,051 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:23:03,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:23:03,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1048491777, now seen corresponding path program 4 times [2021-07-14 00:23:03,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:23:03,052 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455026722] [2021-07-14 00:23:03,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:23:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:23:03,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:03,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:23:03,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:03,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:23:03,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:03,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:23:03,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:03,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:23:03,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:03,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:23:03,243 INFO L142 QuantifierPusher]: treesize reduction 20, result has 62.3 percent of original size [2021-07-14 00:23:03,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:23:03,263 INFO L142 QuantifierPusher]: treesize reduction 20, result has 69.7 percent of original size [2021-07-14 00:23:03,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-14 00:23:03,297 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.0 percent of original size [2021-07-14 00:23:03,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-14 00:23:03,339 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-14 00:23:03,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-14 00:23:03,388 INFO L142 QuantifierPusher]: treesize reduction 26, result has 69.0 percent of original size [2021-07-14 00:23:03,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-14 00:23:03,439 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-14 00:23:03,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-14 00:23:03,544 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-14 00:23:03,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-14 00:23:03,614 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.3 percent of original size [2021-07-14 00:23:03,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:23:03,663 INFO L142 QuantifierPusher]: treesize reduction 20, result has 60.8 percent of original size [2021-07-14 00:23:03,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:23:03,686 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-07-14 00:23:03,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:23:03,710 INFO L142 QuantifierPusher]: treesize reduction 20, result has 57.4 percent of original size [2021-07-14 00:23:03,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:23:03,733 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:23:03,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:23:03,767 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:23:03,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:23:03,803 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:23:03,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:23:03,841 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:23:03,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:23:03,879 INFO L142 QuantifierPusher]: treesize reduction 24, result has 62.5 percent of original size [2021-07-14 00:23:03,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:23:03,912 INFO L142 QuantifierPusher]: treesize reduction 24, result has 64.2 percent of original size [2021-07-14 00:23:03,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:23:03,935 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-14 00:23:03,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:23:03,959 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-14 00:23:03,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:23:03,985 INFO L142 QuantifierPusher]: treesize reduction 29, result has 46.3 percent of original size [2021-07-14 00:23:03,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:23:04,013 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-14 00:23:04,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:23:04,053 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-14 00:23:04,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:23:04,083 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-14 00:23:04,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:23:04,112 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-14 00:23:04,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:23:04,144 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-14 00:23:04,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:23:04,189 INFO L142 QuantifierPusher]: treesize reduction 47, result has 44.0 percent of original size [2021-07-14 00:23:04,189 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size 31 [2021-07-14 00:23:04,233 INFO L142 QuantifierPusher]: treesize reduction 19, result has 56.8 percent of original size [2021-07-14 00:23:04,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:23:04,265 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-14 00:23:04,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:23:04,290 INFO L142 QuantifierPusher]: treesize reduction 29, result has 32.6 percent of original size [2021-07-14 00:23:04,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:23:04,320 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 00:23:04,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:23:04,353 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 00:23:04,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:23:04,354 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-14 00:23:04,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:23:04,384 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-14 00:23:04,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:23:04,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:04,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:23:04,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:04,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:23:04,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:04,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:23:04,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:04,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:23:04,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:23:04,494 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:23:04,494 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455026722] [2021-07-14 00:23:04,495 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455026722] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:23:04,495 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:23:04,495 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-07-14 00:23:04,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128772208] [2021-07-14 00:23:04,495 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 00:23:04,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:23:04,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 00:23:04,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1366, Unknown=0, NotChecked=0, Total=1482 [2021-07-14 00:23:04,496 INFO L87 Difference]: Start difference. First operand 611 states and 783 transitions. Second operand has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:06,158 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2021-07-14 00:23:06,319 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2021-07-14 00:23:06,501 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-07-14 00:23:06,750 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2021-07-14 00:23:07,078 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-07-14 00:23:07,324 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-14 00:23:07,776 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-14 00:23:08,069 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2021-07-14 00:23:08,206 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2021-07-14 00:23:08,383 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2021-07-14 00:23:08,570 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2021-07-14 00:23:08,707 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-07-14 00:23:08,918 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2021-07-14 00:23:09,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:23:09,739 INFO L93 Difference]: Finished difference Result 783 states and 1030 transitions. [2021-07-14 00:23:09,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 00:23:09,741 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:23:09,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:23:09,742 INFO L225 Difference]: With dead ends: 783 [2021-07-14 00:23:09,742 INFO L226 Difference]: Without dead ends: 671 [2021-07-14 00:23:09,743 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1243 ImplicationChecksByTransitivity, 5325.7ms TimeCoverageRelationStatistics Valid=963, Invalid=5199, Unknown=0, NotChecked=0, Total=6162 [2021-07-14 00:23:09,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2021-07-14 00:23:09,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 609. [2021-07-14 00:23:09,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 608 states have (on average 1.28125) internal successors, (779), 608 states have internal predecessors, (779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:09,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 779 transitions. [2021-07-14 00:23:09,749 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 779 transitions. Word has length 120 [2021-07-14 00:23:09,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:23:09,749 INFO L482 AbstractCegarLoop]: Abstraction has 609 states and 779 transitions. [2021-07-14 00:23:09,749 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:09,749 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 779 transitions. [2021-07-14 00:23:09,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:23:09,750 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:23:09,751 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:23:09,751 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-07-14 00:23:09,751 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:23:09,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:23:09,751 INFO L82 PathProgramCache]: Analyzing trace with hash 790387295, now seen corresponding path program 5 times [2021-07-14 00:23:09,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:23:09,751 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037830401] [2021-07-14 00:23:09,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:23:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:23:09,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:09,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:23:09,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:09,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:23:09,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:09,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:23:09,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:09,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:23:09,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:09,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:23:09,915 INFO L142 QuantifierPusher]: treesize reduction 24, result has 53.8 percent of original size [2021-07-14 00:23:09,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:23:09,941 INFO L142 QuantifierPusher]: treesize reduction 24, result has 63.1 percent of original size [2021-07-14 00:23:09,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:23:09,973 INFO L142 QuantifierPusher]: treesize reduction 24, result has 67.6 percent of original size [2021-07-14 00:23:09,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-14 00:23:10,013 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.8 percent of original size [2021-07-14 00:23:10,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:23:10,034 INFO L142 QuantifierPusher]: treesize reduction 19, result has 71.6 percent of original size [2021-07-14 00:23:10,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-14 00:23:10,076 INFO L142 QuantifierPusher]: treesize reduction 19, result has 71.6 percent of original size [2021-07-14 00:23:10,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-14 00:23:10,119 INFO L142 QuantifierPusher]: treesize reduction 15, result has 69.4 percent of original size [2021-07-14 00:23:10,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:23:10,140 INFO L142 QuantifierPusher]: treesize reduction 15, result has 71.7 percent of original size [2021-07-14 00:23:10,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:23:10,163 INFO L142 QuantifierPusher]: treesize reduction 15, result has 66.7 percent of original size [2021-07-14 00:23:10,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:23:10,184 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-14 00:23:10,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:23:10,220 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-14 00:23:10,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:23:10,256 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-14 00:23:10,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:23:10,291 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-14 00:23:10,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:23:10,327 INFO L142 QuantifierPusher]: treesize reduction 19, result has 69.4 percent of original size [2021-07-14 00:23:10,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:23:10,360 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.8 percent of original size [2021-07-14 00:23:10,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-14 00:23:10,382 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.2 percent of original size [2021-07-14 00:23:10,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:23:10,407 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.2 percent of original size [2021-07-14 00:23:10,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:23:10,432 INFO L142 QuantifierPusher]: treesize reduction 24, result has 53.8 percent of original size [2021-07-14 00:23:10,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:23:10,457 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-14 00:23:10,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:23:10,483 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-14 00:23:10,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:23:10,513 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:23:10,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:23:10,544 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:23:10,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:23:10,589 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:23:10,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:23:10,623 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.8 percent of original size [2021-07-14 00:23:10,624 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-07-14 00:23:10,671 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:23:10,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:23:10,704 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:23:10,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:23:10,728 INFO L142 QuantifierPusher]: treesize reduction 24, result has 41.5 percent of original size [2021-07-14 00:23:10,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:23:10,756 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:23:10,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:23:10,787 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:23:10,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:23:10,787 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-14 00:23:10,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:23:10,815 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:23:10,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:23:10,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:10,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:23:10,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:10,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:23:10,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:10,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:23:10,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:10,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:23:10,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:23:10,917 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:23:10,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037830401] [2021-07-14 00:23:10,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037830401] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:23:10,917 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:23:10,917 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-07-14 00:23:10,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762427581] [2021-07-14 00:23:10,917 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 00:23:10,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:23:10,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 00:23:10,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1232, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 00:23:10,918 INFO L87 Difference]: Start difference. First operand 609 states and 779 transitions. Second operand has 37 states, 37 states have (on average 3.2432432432432434) internal successors, (120), 37 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:12,353 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-07-14 00:23:12,513 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 70 [2021-07-14 00:23:12,744 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-14 00:23:13,022 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-07-14 00:23:13,376 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 79 [2021-07-14 00:23:13,620 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 83 [2021-07-14 00:23:14,274 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2021-07-14 00:23:14,459 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2021-07-14 00:23:14,654 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2021-07-14 00:23:14,811 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2021-07-14 00:23:15,043 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2021-07-14 00:23:15,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:23:15,921 INFO L93 Difference]: Finished difference Result 782 states and 1027 transitions. [2021-07-14 00:23:15,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 00:23:15,921 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.2432432432432434) internal successors, (120), 37 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:23:15,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:23:15,923 INFO L225 Difference]: With dead ends: 782 [2021-07-14 00:23:15,923 INFO L226 Difference]: Without dead ends: 670 [2021-07-14 00:23:15,924 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1109 ImplicationChecksByTransitivity, 4852.4ms TimeCoverageRelationStatistics Valid=936, Invalid=4764, Unknown=0, NotChecked=0, Total=5700 [2021-07-14 00:23:15,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2021-07-14 00:23:15,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 608. [2021-07-14 00:23:15,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 607 states have (on average 1.2800658978583197) internal successors, (777), 607 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:15,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 777 transitions. [2021-07-14 00:23:15,929 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 777 transitions. Word has length 120 [2021-07-14 00:23:15,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:23:15,929 INFO L482 AbstractCegarLoop]: Abstraction has 608 states and 777 transitions. [2021-07-14 00:23:15,929 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 3.2432432432432434) internal successors, (120), 37 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:15,929 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 777 transitions. [2021-07-14 00:23:15,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:23:15,930 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:23:15,930 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:23:15,930 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-07-14 00:23:15,931 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:23:15,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:23:15,931 INFO L82 PathProgramCache]: Analyzing trace with hash 501581805, now seen corresponding path program 6 times [2021-07-14 00:23:15,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:23:15,931 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545084105] [2021-07-14 00:23:15,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:23:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:23:16,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:16,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:23:16,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:16,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:23:16,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:16,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:23:16,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:16,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:23:16,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:16,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:23:16,085 INFO L142 QuantifierPusher]: treesize reduction 25, result has 47.9 percent of original size [2021-07-14 00:23:16,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:23:16,097 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.0 percent of original size [2021-07-14 00:23:16,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:23:16,118 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.4 percent of original size [2021-07-14 00:23:16,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-14 00:23:16,161 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-14 00:23:16,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:23:16,181 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-14 00:23:16,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:23:16,201 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-14 00:23:16,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:23:16,220 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:23:16,221 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:23:16,255 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:23:16,255 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:23:16,296 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:23:16,296 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:23:16,335 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:23:16,335 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:23:16,373 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-07-14 00:23:16,374 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.6 percent of original size 43 [2021-07-14 00:23:16,415 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.5 percent of original size [2021-07-14 00:23:16,415 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size 46 [2021-07-14 00:23:16,435 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-14 00:23:16,435 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:23:16,452 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-14 00:23:16,452 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:23:16,489 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.8 percent of original size [2021-07-14 00:23:16,489 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.5 percent of original size 32 [2021-07-14 00:23:16,525 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:23:16,526 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-14 00:23:16,563 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:23:16,563 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:23:16,603 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:23:16,603 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:23:16,645 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:23:16,646 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:23:16,690 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:23:16,691 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:23:16,736 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-07-14 00:23:16,736 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:23:16,788 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:23:16,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:23:16,817 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:23:16,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:23:16,839 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:23:16,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:23:16,866 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:23:16,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:23:16,894 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:23:16,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:23:16,895 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:23:16,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:23:16,921 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:23:16,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:23:16,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:16,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:23:16,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:16,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:23:16,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:16,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:23:17,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:17,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:23:17,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:23:17,017 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:23:17,017 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545084105] [2021-07-14 00:23:17,017 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545084105] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:23:17,017 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:23:17,017 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2021-07-14 00:23:17,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546226894] [2021-07-14 00:23:17,018 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 00:23:17,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:23:17,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 00:23:17,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=974, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 00:23:17,019 INFO L87 Difference]: Start difference. First operand 608 states and 777 transitions. Second operand has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:18,167 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-07-14 00:23:18,397 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-14 00:23:18,675 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2021-07-14 00:23:19,059 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-07-14 00:23:19,636 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-14 00:23:19,813 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-14 00:23:19,997 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-14 00:23:20,160 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2021-07-14 00:23:20,389 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-14 00:23:21,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:23:21,179 INFO L93 Difference]: Finished difference Result 775 states and 1018 transitions. [2021-07-14 00:23:21,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 00:23:21,179 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:23:21,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:23:21,180 INFO L225 Difference]: With dead ends: 775 [2021-07-14 00:23:21,180 INFO L226 Difference]: Without dead ends: 650 [2021-07-14 00:23:21,180 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 714 ImplicationChecksByTransitivity, 4078.0ms TimeCoverageRelationStatistics Valid=662, Invalid=3370, Unknown=0, NotChecked=0, Total=4032 [2021-07-14 00:23:21,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2021-07-14 00:23:21,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 595. [2021-07-14 00:23:21,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 594 states have (on average 1.265993265993266) internal successors, (752), 594 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:21,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 752 transitions. [2021-07-14 00:23:21,186 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 752 transitions. Word has length 120 [2021-07-14 00:23:21,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:23:21,186 INFO L482 AbstractCegarLoop]: Abstraction has 595 states and 752 transitions. [2021-07-14 00:23:21,186 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:21,186 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 752 transitions. [2021-07-14 00:23:21,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:23:21,187 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:23:21,187 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:23:21,187 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-07-14 00:23:21,187 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:23:21,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:23:21,188 INFO L82 PathProgramCache]: Analyzing trace with hash 912237823, now seen corresponding path program 7 times [2021-07-14 00:23:21,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:23:21,188 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275076655] [2021-07-14 00:23:21,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:23:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:23:21,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:21,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:23:21,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:21,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:23:21,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:21,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:23:21,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:21,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:23:21,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:21,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:23:21,342 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.0 percent of original size [2021-07-14 00:23:21,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:23:21,359 INFO L142 QuantifierPusher]: treesize reduction 12, result has 77.4 percent of original size [2021-07-14 00:23:21,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:23:21,388 INFO L142 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size [2021-07-14 00:23:21,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:23:21,424 INFO L142 QuantifierPusher]: treesize reduction 12, result has 83.1 percent of original size [2021-07-14 00:23:21,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-14 00:23:21,465 INFO L142 QuantifierPusher]: treesize reduction 18, result has 74.6 percent of original size [2021-07-14 00:23:21,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-14 00:23:21,505 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-14 00:23:21,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-14 00:23:21,556 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-14 00:23:21,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-14 00:23:21,610 INFO L142 QuantifierPusher]: treesize reduction 12, result has 81.0 percent of original size [2021-07-14 00:23:21,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:23:21,661 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-07-14 00:23:21,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:23:21,683 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:23:21,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:23:21,706 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:23:21,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:23:21,729 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-14 00:23:21,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:23:21,766 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-14 00:23:21,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:23:21,804 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-14 00:23:21,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:23:21,843 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-14 00:23:21,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:23:21,882 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.1 percent of original size [2021-07-14 00:23:21,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:23:21,914 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-07-14 00:23:21,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:23:21,937 INFO L142 QuantifierPusher]: treesize reduction 23, result has 58.2 percent of original size [2021-07-14 00:23:21,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:23:21,964 INFO L142 QuantifierPusher]: treesize reduction 23, result has 58.2 percent of original size [2021-07-14 00:23:21,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:23:22,006 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-14 00:23:22,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:23:22,060 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-14 00:23:22,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:23:22,103 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-14 00:23:22,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:23:22,146 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-14 00:23:22,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:23:22,209 INFO L142 QuantifierPusher]: treesize reduction 46, result has 43.9 percent of original size [2021-07-14 00:23:22,210 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size 30 [2021-07-14 00:23:22,254 INFO L142 QuantifierPusher]: treesize reduction 51, result has 37.0 percent of original size [2021-07-14 00:23:22,254 INFO L147 QuantifierPusher]: treesize reduction 6, result has 80.0 percent of original size 24 [2021-07-14 00:23:22,302 INFO L142 QuantifierPusher]: treesize reduction 46, result has 43.9 percent of original size [2021-07-14 00:23:22,303 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size 30 [2021-07-14 00:23:22,349 INFO L142 QuantifierPusher]: treesize reduction 26, result has 43.5 percent of original size [2021-07-14 00:23:22,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:23:22,383 INFO L142 QuantifierPusher]: treesize reduction 18, result has 58.1 percent of original size [2021-07-14 00:23:22,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:23:22,414 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 00:23:22,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:23:22,415 INFO L142 QuantifierPusher]: treesize reduction 28, result has 33.3 percent of original size [2021-07-14 00:23:22,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:23:22,447 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-14 00:23:22,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:23:22,482 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-14 00:23:22,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:23:22,514 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-14 00:23:22,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:23:22,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:22,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:23:22,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:22,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:23:22,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:22,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:23:22,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:22,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:23:22,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:23:22,628 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:23:22,628 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275076655] [2021-07-14 00:23:22,628 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275076655] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:23:22,628 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:23:22,628 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-07-14 00:23:22,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162667514] [2021-07-14 00:23:22,629 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 00:23:22,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:23:22,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 00:23:22,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1374, Unknown=0, NotChecked=0, Total=1482 [2021-07-14 00:23:22,629 INFO L87 Difference]: Start difference. First operand 595 states and 752 transitions. Second operand has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:24,455 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2021-07-14 00:23:24,628 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-07-14 00:23:24,832 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-07-14 00:23:25,182 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2021-07-14 00:23:25,399 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 76 [2021-07-14 00:23:25,642 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 80 [2021-07-14 00:23:25,957 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 84 [2021-07-14 00:23:26,235 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 88 [2021-07-14 00:23:26,530 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 90 [2021-07-14 00:23:27,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:23:27,684 INFO L93 Difference]: Finished difference Result 740 states and 964 transitions. [2021-07-14 00:23:27,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 00:23:27,685 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:23:27,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:23:27,686 INFO L225 Difference]: With dead ends: 740 [2021-07-14 00:23:27,686 INFO L226 Difference]: Without dead ends: 629 [2021-07-14 00:23:27,686 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1011 ImplicationChecksByTransitivity, 5267.4ms TimeCoverageRelationStatistics Valid=881, Invalid=4819, Unknown=0, NotChecked=0, Total=5700 [2021-07-14 00:23:27,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2021-07-14 00:23:27,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 600. [2021-07-14 00:23:27,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 599 states have (on average 1.2787979966611018) internal successors, (766), 599 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:27,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 766 transitions. [2021-07-14 00:23:27,691 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 766 transitions. Word has length 120 [2021-07-14 00:23:27,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:23:27,691 INFO L482 AbstractCegarLoop]: Abstraction has 600 states and 766 transitions. [2021-07-14 00:23:27,691 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:27,691 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 766 transitions. [2021-07-14 00:23:27,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:23:27,692 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:23:27,692 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:23:27,693 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-07-14 00:23:27,693 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:23:27,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:23:27,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1260374593, now seen corresponding path program 8 times [2021-07-14 00:23:27,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:23:27,693 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201563480] [2021-07-14 00:23:27,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:23:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:23:27,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:27,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:23:27,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:27,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:23:27,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:27,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:23:27,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:27,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:23:27,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:27,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:23:27,869 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.0 percent of original size [2021-07-14 00:23:27,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:23:27,885 INFO L142 QuantifierPusher]: treesize reduction 12, result has 77.4 percent of original size [2021-07-14 00:23:27,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:23:27,916 INFO L142 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size [2021-07-14 00:23:27,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:23:27,958 INFO L142 QuantifierPusher]: treesize reduction 12, result has 83.1 percent of original size [2021-07-14 00:23:27,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-14 00:23:28,005 INFO L142 QuantifierPusher]: treesize reduction 18, result has 74.6 percent of original size [2021-07-14 00:23:28,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-14 00:23:28,048 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-14 00:23:28,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-14 00:23:28,099 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-14 00:23:28,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-14 00:23:28,161 INFO L142 QuantifierPusher]: treesize reduction 12, result has 81.0 percent of original size [2021-07-14 00:23:28,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:23:28,200 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-07-14 00:23:28,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:23:28,221 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:23:28,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:23:28,244 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:23:28,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:23:28,265 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-14 00:23:28,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:23:28,298 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-14 00:23:28,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:23:28,339 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-14 00:23:28,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:23:28,392 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-14 00:23:28,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:23:28,433 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.1 percent of original size [2021-07-14 00:23:28,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:23:28,466 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-07-14 00:23:28,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:23:28,490 INFO L142 QuantifierPusher]: treesize reduction 23, result has 58.2 percent of original size [2021-07-14 00:23:28,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:23:28,516 INFO L142 QuantifierPusher]: treesize reduction 23, result has 58.2 percent of original size [2021-07-14 00:23:28,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:23:28,550 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-14 00:23:28,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:23:28,600 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-14 00:23:28,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:23:28,643 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-14 00:23:28,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:23:28,692 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-14 00:23:28,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:23:28,746 INFO L142 QuantifierPusher]: treesize reduction 28, result has 56.3 percent of original size [2021-07-14 00:23:28,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:23:28,801 INFO L142 QuantifierPusher]: treesize reduction 51, result has 37.0 percent of original size [2021-07-14 00:23:28,801 INFO L147 QuantifierPusher]: treesize reduction 6, result has 80.0 percent of original size 24 [2021-07-14 00:23:28,844 INFO L142 QuantifierPusher]: treesize reduction 46, result has 43.9 percent of original size [2021-07-14 00:23:28,844 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size 30 [2021-07-14 00:23:28,888 INFO L142 QuantifierPusher]: treesize reduction 26, result has 43.5 percent of original size [2021-07-14 00:23:28,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:23:28,919 INFO L142 QuantifierPusher]: treesize reduction 18, result has 58.1 percent of original size [2021-07-14 00:23:28,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:23:28,948 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 00:23:28,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:23:28,949 INFO L142 QuantifierPusher]: treesize reduction 28, result has 33.3 percent of original size [2021-07-14 00:23:28,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:23:28,979 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-14 00:23:28,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:23:29,013 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-14 00:23:29,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:23:29,044 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-14 00:23:29,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:23:29,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:29,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:23:29,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:29,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:23:29,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:29,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:23:29,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:29,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:23:29,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:23:29,155 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:23:29,155 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201563480] [2021-07-14 00:23:29,155 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201563480] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:23:29,155 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:23:29,155 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-07-14 00:23:29,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212475632] [2021-07-14 00:23:29,155 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 00:23:29,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:23:29,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 00:23:29,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1374, Unknown=0, NotChecked=0, Total=1482 [2021-07-14 00:23:29,156 INFO L87 Difference]: Start difference. First operand 600 states and 766 transitions. Second operand has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:30,969 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2021-07-14 00:23:31,130 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-07-14 00:23:31,321 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-07-14 00:23:31,686 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2021-07-14 00:23:31,902 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 76 [2021-07-14 00:23:32,147 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 80 [2021-07-14 00:23:32,476 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 84 [2021-07-14 00:23:32,743 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 86 [2021-07-14 00:23:33,015 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 90 [2021-07-14 00:23:34,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:23:34,448 INFO L93 Difference]: Finished difference Result 743 states and 967 transitions. [2021-07-14 00:23:34,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 00:23:34,448 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:23:34,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:23:34,449 INFO L225 Difference]: With dead ends: 743 [2021-07-14 00:23:34,449 INFO L226 Difference]: Without dead ends: 632 [2021-07-14 00:23:34,449 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1087 ImplicationChecksByTransitivity, 5476.9ms TimeCoverageRelationStatistics Valid=919, Invalid=5087, Unknown=0, NotChecked=0, Total=6006 [2021-07-14 00:23:34,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2021-07-14 00:23:34,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 601. [2021-07-14 00:23:34,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 600 states have (on average 1.2766666666666666) internal successors, (766), 600 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:34,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 766 transitions. [2021-07-14 00:23:34,454 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 766 transitions. Word has length 120 [2021-07-14 00:23:34,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:23:34,455 INFO L482 AbstractCegarLoop]: Abstraction has 601 states and 766 transitions. [2021-07-14 00:23:34,455 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:34,455 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 766 transitions. [2021-07-14 00:23:34,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:23:34,456 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:23:34,456 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:23:34,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-07-14 00:23:34,456 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:23:34,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:23:34,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1131239521, now seen corresponding path program 9 times [2021-07-14 00:23:34,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:23:34,456 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030238158] [2021-07-14 00:23:34,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:23:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:23:34,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:34,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:23:34,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:34,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:23:34,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:34,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:23:34,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:34,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:23:34,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:34,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:23:34,612 INFO L142 QuantifierPusher]: treesize reduction 20, result has 62.3 percent of original size [2021-07-14 00:23:34,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:23:34,632 INFO L142 QuantifierPusher]: treesize reduction 20, result has 69.7 percent of original size [2021-07-14 00:23:34,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-14 00:23:34,667 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.0 percent of original size [2021-07-14 00:23:34,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-14 00:23:34,711 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-14 00:23:34,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-14 00:23:34,758 INFO L142 QuantifierPusher]: treesize reduction 26, result has 69.0 percent of original size [2021-07-14 00:23:34,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-14 00:23:34,804 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-14 00:23:34,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-14 00:23:34,877 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-14 00:23:34,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-14 00:23:34,956 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.3 percent of original size [2021-07-14 00:23:34,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:23:35,000 INFO L142 QuantifierPusher]: treesize reduction 20, result has 60.8 percent of original size [2021-07-14 00:23:35,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:23:35,021 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-07-14 00:23:35,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:23:35,043 INFO L142 QuantifierPusher]: treesize reduction 20, result has 57.4 percent of original size [2021-07-14 00:23:35,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:23:35,064 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:23:35,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:23:35,096 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:23:35,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:23:35,130 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:23:35,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:23:35,168 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:23:35,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:23:35,204 INFO L142 QuantifierPusher]: treesize reduction 24, result has 62.5 percent of original size [2021-07-14 00:23:35,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:23:35,234 INFO L142 QuantifierPusher]: treesize reduction 24, result has 64.2 percent of original size [2021-07-14 00:23:35,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:23:35,258 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-14 00:23:35,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:23:35,283 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-14 00:23:35,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:23:35,309 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-14 00:23:35,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:23:35,336 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-14 00:23:35,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:23:35,365 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-14 00:23:35,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:23:35,395 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-14 00:23:35,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:23:35,427 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-14 00:23:35,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:23:35,459 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-14 00:23:35,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:23:35,493 INFO L142 QuantifierPusher]: treesize reduction 47, result has 44.0 percent of original size [2021-07-14 00:23:35,493 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size 31 [2021-07-14 00:23:35,539 INFO L142 QuantifierPusher]: treesize reduction 19, result has 56.8 percent of original size [2021-07-14 00:23:35,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:23:35,571 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-14 00:23:35,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:23:35,599 INFO L142 QuantifierPusher]: treesize reduction 29, result has 32.6 percent of original size [2021-07-14 00:23:35,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:23:35,632 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 00:23:35,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:23:35,664 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 00:23:35,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:23:35,665 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-14 00:23:35,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:23:35,694 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-14 00:23:35,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:23:35,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:35,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:23:35,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:35,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:23:35,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:35,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:23:35,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:35,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:23:35,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:23:35,801 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:23:35,801 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030238158] [2021-07-14 00:23:35,801 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030238158] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:23:35,801 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:23:35,802 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-07-14 00:23:35,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754545469] [2021-07-14 00:23:35,802 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 00:23:35,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:23:35,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 00:23:35,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1366, Unknown=0, NotChecked=0, Total=1482 [2021-07-14 00:23:35,803 INFO L87 Difference]: Start difference. First operand 601 states and 766 transitions. Second operand has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:37,448 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2021-07-14 00:23:37,619 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2021-07-14 00:23:37,798 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-07-14 00:23:38,161 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2021-07-14 00:23:38,371 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2021-07-14 00:23:38,613 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 80 [2021-07-14 00:23:38,922 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 84 [2021-07-14 00:23:39,199 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 86 [2021-07-14 00:23:39,790 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2021-07-14 00:23:40,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:23:40,585 INFO L93 Difference]: Finished difference Result 737 states and 958 transitions. [2021-07-14 00:23:40,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 00:23:40,586 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:23:40,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:23:40,587 INFO L225 Difference]: With dead ends: 737 [2021-07-14 00:23:40,587 INFO L226 Difference]: Without dead ends: 627 [2021-07-14 00:23:40,587 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1081 ImplicationChecksByTransitivity, 4856.3ms TimeCoverageRelationStatistics Valid=876, Invalid=4674, Unknown=0, NotChecked=0, Total=5550 [2021-07-14 00:23:40,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2021-07-14 00:23:40,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 599. [2021-07-14 00:23:40,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 598 states have (on average 1.2759197324414715) internal successors, (763), 598 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:40,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 763 transitions. [2021-07-14 00:23:40,593 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 763 transitions. Word has length 120 [2021-07-14 00:23:40,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:23:40,593 INFO L482 AbstractCegarLoop]: Abstraction has 599 states and 763 transitions. [2021-07-14 00:23:40,593 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:40,593 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 763 transitions. [2021-07-14 00:23:40,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:23:40,594 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:23:40,594 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:23:40,594 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-07-14 00:23:40,594 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:23:40,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:23:40,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1845264129, now seen corresponding path program 10 times [2021-07-14 00:23:40,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:23:40,595 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990656048] [2021-07-14 00:23:40,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:23:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:23:40,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:40,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:23:40,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:40,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:23:40,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:40,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:23:40,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:40,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:23:40,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:40,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:23:40,754 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.0 percent of original size [2021-07-14 00:23:40,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:23:40,773 INFO L142 QuantifierPusher]: treesize reduction 12, result has 77.4 percent of original size [2021-07-14 00:23:40,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:23:40,807 INFO L142 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size [2021-07-14 00:23:40,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:23:40,848 INFO L142 QuantifierPusher]: treesize reduction 12, result has 83.1 percent of original size [2021-07-14 00:23:40,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-14 00:23:40,891 INFO L142 QuantifierPusher]: treesize reduction 18, result has 74.6 percent of original size [2021-07-14 00:23:40,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-14 00:23:40,936 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-14 00:23:40,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-14 00:23:40,993 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-14 00:23:40,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-14 00:23:41,050 INFO L142 QuantifierPusher]: treesize reduction 12, result has 81.0 percent of original size [2021-07-14 00:23:41,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:23:41,094 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-07-14 00:23:41,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:23:41,120 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:23:41,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:23:41,145 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:23:41,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:23:41,168 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-14 00:23:41,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:23:41,203 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-14 00:23:41,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:23:41,240 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-14 00:23:41,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:23:41,277 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-14 00:23:41,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:23:41,317 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.1 percent of original size [2021-07-14 00:23:41,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:23:41,352 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-07-14 00:23:41,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:23:41,389 INFO L142 QuantifierPusher]: treesize reduction 23, result has 58.2 percent of original size [2021-07-14 00:23:41,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:23:41,416 INFO L142 QuantifierPusher]: treesize reduction 23, result has 58.2 percent of original size [2021-07-14 00:23:41,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:23:41,444 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-14 00:23:41,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:23:41,495 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-14 00:23:41,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:23:41,538 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-14 00:23:41,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:23:41,581 INFO L142 QuantifierPusher]: treesize reduction 28, result has 56.3 percent of original size [2021-07-14 00:23:41,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:23:41,625 INFO L142 QuantifierPusher]: treesize reduction 28, result has 56.3 percent of original size [2021-07-14 00:23:41,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:23:41,680 INFO L142 QuantifierPusher]: treesize reduction 51, result has 37.0 percent of original size [2021-07-14 00:23:41,681 INFO L147 QuantifierPusher]: treesize reduction 6, result has 80.0 percent of original size 24 [2021-07-14 00:23:41,723 INFO L142 QuantifierPusher]: treesize reduction 46, result has 43.9 percent of original size [2021-07-14 00:23:41,723 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size 30 [2021-07-14 00:23:41,767 INFO L142 QuantifierPusher]: treesize reduction 26, result has 43.5 percent of original size [2021-07-14 00:23:41,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:23:41,799 INFO L142 QuantifierPusher]: treesize reduction 18, result has 58.1 percent of original size [2021-07-14 00:23:41,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:23:41,828 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 00:23:41,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:23:41,829 INFO L142 QuantifierPusher]: treesize reduction 28, result has 33.3 percent of original size [2021-07-14 00:23:41,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:23:41,865 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-14 00:23:41,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:23:41,898 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-14 00:23:41,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:23:41,929 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-14 00:23:41,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:23:41,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:41,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:23:41,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:41,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:23:42,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:42,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:23:42,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:42,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:23:42,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:23:42,042 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:23:42,042 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990656048] [2021-07-14 00:23:42,042 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990656048] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:23:42,042 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:23:42,042 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-07-14 00:23:42,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059619197] [2021-07-14 00:23:42,042 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 00:23:42,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:23:42,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 00:23:42,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1374, Unknown=0, NotChecked=0, Total=1482 [2021-07-14 00:23:42,043 INFO L87 Difference]: Start difference. First operand 599 states and 763 transitions. Second operand has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:43,927 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2021-07-14 00:23:44,088 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-07-14 00:23:44,276 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-07-14 00:23:44,641 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2021-07-14 00:23:44,869 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 76 [2021-07-14 00:23:45,119 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 80 [2021-07-14 00:23:45,407 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-07-14 00:23:45,801 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 86 [2021-07-14 00:23:46,075 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 90 [2021-07-14 00:23:46,362 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-14 00:23:46,500 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2021-07-14 00:23:47,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:23:47,609 INFO L93 Difference]: Finished difference Result 747 states and 971 transitions. [2021-07-14 00:23:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 00:23:47,610 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:23:47,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:23:47,611 INFO L225 Difference]: With dead ends: 747 [2021-07-14 00:23:47,611 INFO L226 Difference]: Without dead ends: 633 [2021-07-14 00:23:47,611 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1124 ImplicationChecksByTransitivity, 5614.3ms TimeCoverageRelationStatistics Valid=943, Invalid=5219, Unknown=0, NotChecked=0, Total=6162 [2021-07-14 00:23:47,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2021-07-14 00:23:47,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 602. [2021-07-14 00:23:47,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 601 states have (on average 1.2745424292845258) internal successors, (766), 601 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:47,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 766 transitions. [2021-07-14 00:23:47,616 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 766 transitions. Word has length 120 [2021-07-14 00:23:47,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:23:47,617 INFO L482 AbstractCegarLoop]: Abstraction has 602 states and 766 transitions. [2021-07-14 00:23:47,617 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:47,617 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 766 transitions. [2021-07-14 00:23:47,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:23:47,618 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:23:47,618 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:23:47,618 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-07-14 00:23:47,618 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:23:47,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:23:47,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1254295515, now seen corresponding path program 11 times [2021-07-14 00:23:47,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:23:47,618 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375535129] [2021-07-14 00:23:47,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:23:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:23:47,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:47,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:23:47,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:47,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:23:47,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:47,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:23:47,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:47,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:23:47,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:47,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:23:47,784 INFO L142 QuantifierPusher]: treesize reduction 20, result has 62.3 percent of original size [2021-07-14 00:23:47,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:23:47,804 INFO L142 QuantifierPusher]: treesize reduction 20, result has 69.7 percent of original size [2021-07-14 00:23:47,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-14 00:23:47,838 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.0 percent of original size [2021-07-14 00:23:47,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-14 00:23:47,878 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-14 00:23:47,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-14 00:23:47,923 INFO L142 QuantifierPusher]: treesize reduction 26, result has 69.0 percent of original size [2021-07-14 00:23:47,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-14 00:23:47,967 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-14 00:23:47,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-14 00:23:48,030 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-14 00:23:48,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-14 00:23:48,097 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.3 percent of original size [2021-07-14 00:23:48,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:23:48,142 INFO L142 QuantifierPusher]: treesize reduction 20, result has 60.8 percent of original size [2021-07-14 00:23:48,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:23:48,162 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-07-14 00:23:48,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:23:48,184 INFO L142 QuantifierPusher]: treesize reduction 20, result has 57.4 percent of original size [2021-07-14 00:23:48,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:23:48,205 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:23:48,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:23:48,236 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:23:48,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:23:48,271 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:23:48,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:23:48,310 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:23:48,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:23:48,346 INFO L142 QuantifierPusher]: treesize reduction 24, result has 62.5 percent of original size [2021-07-14 00:23:48,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:23:48,379 INFO L142 QuantifierPusher]: treesize reduction 24, result has 64.2 percent of original size [2021-07-14 00:23:48,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:23:48,411 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-14 00:23:48,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:23:48,439 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-14 00:23:48,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:23:48,466 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-14 00:23:48,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:23:48,493 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-14 00:23:48,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:23:48,521 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-14 00:23:48,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:23:48,549 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-14 00:23:48,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:23:48,581 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-14 00:23:48,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:23:48,611 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-14 00:23:48,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:23:48,644 INFO L142 QuantifierPusher]: treesize reduction 47, result has 44.0 percent of original size [2021-07-14 00:23:48,644 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size 31 [2021-07-14 00:23:48,692 INFO L142 QuantifierPusher]: treesize reduction 19, result has 56.8 percent of original size [2021-07-14 00:23:48,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:23:48,729 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-14 00:23:48,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:23:48,755 INFO L142 QuantifierPusher]: treesize reduction 29, result has 32.6 percent of original size [2021-07-14 00:23:48,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:23:48,784 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 00:23:48,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:23:48,816 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 00:23:48,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:23:48,817 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-14 00:23:48,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:23:48,846 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-14 00:23:48,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:23:48,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:48,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:23:48,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:48,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:23:48,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:48,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:23:48,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:48,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:23:48,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:23:48,955 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:23:48,955 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375535129] [2021-07-14 00:23:48,955 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375535129] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:23:48,955 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:23:48,955 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-07-14 00:23:48,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471110231] [2021-07-14 00:23:48,955 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 00:23:48,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:23:48,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 00:23:48,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1366, Unknown=0, NotChecked=0, Total=1482 [2021-07-14 00:23:48,956 INFO L87 Difference]: Start difference. First operand 602 states and 766 transitions. Second operand has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:50,467 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 64 [2021-07-14 00:23:50,629 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2021-07-14 00:23:50,783 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2021-07-14 00:23:50,965 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-07-14 00:23:51,326 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2021-07-14 00:23:51,538 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2021-07-14 00:23:51,785 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 80 [2021-07-14 00:23:52,053 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-14 00:23:52,427 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 86 [2021-07-14 00:23:52,836 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2021-07-14 00:23:53,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:23:53,963 INFO L93 Difference]: Finished difference Result 741 states and 962 transitions. [2021-07-14 00:23:53,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 00:23:53,964 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:23:53,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:23:53,965 INFO L225 Difference]: With dead ends: 741 [2021-07-14 00:23:53,965 INFO L226 Difference]: Without dead ends: 632 [2021-07-14 00:23:53,965 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1155 ImplicationChecksByTransitivity, 5022.8ms TimeCoverageRelationStatistics Valid=917, Invalid=4935, Unknown=0, NotChecked=0, Total=5852 [2021-07-14 00:23:53,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2021-07-14 00:23:53,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 601. [2021-07-14 00:23:53,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 600 states have (on average 1.2733333333333334) internal successors, (764), 600 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:53,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 764 transitions. [2021-07-14 00:23:53,970 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 764 transitions. Word has length 120 [2021-07-14 00:23:53,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:23:53,971 INFO L482 AbstractCegarLoop]: Abstraction has 601 states and 764 transitions. [2021-07-14 00:23:53,971 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:53,971 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 764 transitions. [2021-07-14 00:23:53,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:23:53,972 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:23:53,972 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:23:53,972 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-07-14 00:23:53,972 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:23:53,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:23:53,972 INFO L82 PathProgramCache]: Analyzing trace with hash -813664131, now seen corresponding path program 12 times [2021-07-14 00:23:53,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:23:53,973 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67170159] [2021-07-14 00:23:53,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:23:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:23:54,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:54,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:23:54,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:54,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:23:54,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:54,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:23:54,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:54,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:23:54,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:54,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:23:54,110 INFO L142 QuantifierPusher]: treesize reduction 25, result has 51.9 percent of original size [2021-07-14 00:23:54,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:23:54,123 INFO L142 QuantifierPusher]: treesize reduction 25, result has 61.5 percent of original size [2021-07-14 00:23:54,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:23:54,146 INFO L142 QuantifierPusher]: treesize reduction 21, result has 72.0 percent of original size [2021-07-14 00:23:54,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-07-14 00:23:54,200 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-14 00:23:54,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:23:54,222 INFO L142 QuantifierPusher]: treesize reduction 12, result has 77.8 percent of original size [2021-07-14 00:23:54,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:23:54,242 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-14 00:23:54,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:23:54,261 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-14 00:23:54,261 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-14 00:23:54,297 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-14 00:23:54,298 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-14 00:23:54,335 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-14 00:23:54,335 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-14 00:23:54,375 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-14 00:23:54,375 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-14 00:23:54,416 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.8 percent of original size [2021-07-14 00:23:54,416 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.4 percent of original size 47 [2021-07-14 00:23:54,461 INFO L142 QuantifierPusher]: treesize reduction 14, result has 79.7 percent of original size [2021-07-14 00:23:54,462 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.9 percent of original size 50 [2021-07-14 00:23:54,479 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-14 00:23:54,480 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:23:54,516 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-14 00:23:54,516 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:23:54,554 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:23:54,554 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:23:54,593 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:23:54,593 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:23:54,634 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:23:54,634 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:23:54,677 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:23:54,678 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-14 00:23:54,722 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:23:54,723 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:23:54,769 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:23:54,769 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:23:54,817 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-07-14 00:23:54,817 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:23:54,865 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-07-14 00:23:54,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:23:54,898 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-07-14 00:23:54,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:23:54,922 INFO L142 QuantifierPusher]: treesize reduction 16, result has 56.8 percent of original size [2021-07-14 00:23:54,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:23:54,953 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-07-14 00:23:54,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:23:54,985 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:23:54,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:23:55,017 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:23:55,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:23:55,018 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:23:55,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:23:55,047 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:23:55,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:23:55,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:55,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:23:55,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:55,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:23:55,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:55,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:23:55,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:55,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:23:55,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:23:55,153 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:23:55,154 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67170159] [2021-07-14 00:23:55,154 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67170159] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:23:55,154 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:23:55,154 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:23:55,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445887318] [2021-07-14 00:23:55,154 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:23:55,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:23:55,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:23:55,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1096, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:23:55,155 INFO L87 Difference]: Start difference. First operand 601 states and 764 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:56,340 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-07-14 00:23:56,562 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-14 00:23:56,916 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-14 00:23:57,132 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-14 00:23:57,396 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 82 [2021-07-14 00:23:57,670 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-07-14 00:23:58,086 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2021-07-14 00:23:58,214 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-07-14 00:23:58,410 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2021-07-14 00:23:59,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:23:59,191 INFO L93 Difference]: Finished difference Result 737 states and 956 transitions. [2021-07-14 00:23:59,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 00:23:59,192 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:23:59,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:23:59,192 INFO L225 Difference]: With dead ends: 737 [2021-07-14 00:23:59,193 INFO L226 Difference]: Without dead ends: 623 [2021-07-14 00:23:59,193 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 750 ImplicationChecksByTransitivity, 4078.8ms TimeCoverageRelationStatistics Valid=682, Invalid=3478, Unknown=0, NotChecked=0, Total=4160 [2021-07-14 00:23:59,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2021-07-14 00:23:59,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 597. [2021-07-14 00:23:59,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 596 states have (on average 1.2701342281879195) internal successors, (757), 596 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:59,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 757 transitions. [2021-07-14 00:23:59,198 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 757 transitions. Word has length 120 [2021-07-14 00:23:59,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:23:59,198 INFO L482 AbstractCegarLoop]: Abstraction has 597 states and 757 transitions. [2021-07-14 00:23:59,199 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:59,199 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 757 transitions. [2021-07-14 00:23:59,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:23:59,200 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:23:59,200 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:23:59,200 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-07-14 00:23:59,200 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:23:59,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:23:59,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1510904577, now seen corresponding path program 13 times [2021-07-14 00:23:59,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:23:59,200 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274039987] [2021-07-14 00:23:59,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:23:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:23:59,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:59,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:23:59,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:59,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:23:59,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:59,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:23:59,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:59,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:23:59,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:59,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:23:59,348 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.0 percent of original size [2021-07-14 00:23:59,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:23:59,365 INFO L142 QuantifierPusher]: treesize reduction 12, result has 77.4 percent of original size [2021-07-14 00:23:59,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:23:59,395 INFO L142 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size [2021-07-14 00:23:59,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:23:59,434 INFO L142 QuantifierPusher]: treesize reduction 12, result has 83.1 percent of original size [2021-07-14 00:23:59,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-14 00:23:59,478 INFO L142 QuantifierPusher]: treesize reduction 18, result has 74.6 percent of original size [2021-07-14 00:23:59,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-14 00:23:59,522 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-14 00:23:59,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-14 00:23:59,578 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-14 00:23:59,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-14 00:23:59,634 INFO L142 QuantifierPusher]: treesize reduction 12, result has 81.0 percent of original size [2021-07-14 00:23:59,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:23:59,675 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-07-14 00:23:59,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:23:59,696 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:23:59,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:23:59,719 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:23:59,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:23:59,741 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-14 00:23:59,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:23:59,775 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-14 00:23:59,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:23:59,811 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-14 00:23:59,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:23:59,850 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-14 00:23:59,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:23:59,889 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.1 percent of original size [2021-07-14 00:23:59,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:23:59,920 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-07-14 00:23:59,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:23:59,945 INFO L142 QuantifierPusher]: treesize reduction 23, result has 58.2 percent of original size [2021-07-14 00:23:59,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:23:59,972 INFO L142 QuantifierPusher]: treesize reduction 23, result has 58.2 percent of original size [2021-07-14 00:23:59,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:24:00,000 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-14 00:24:00,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:24:00,061 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-14 00:24:00,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:24:00,102 INFO L142 QuantifierPusher]: treesize reduction 28, result has 56.3 percent of original size [2021-07-14 00:24:00,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:24:00,144 INFO L142 QuantifierPusher]: treesize reduction 28, result has 56.3 percent of original size [2021-07-14 00:24:00,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:24:00,188 INFO L142 QuantifierPusher]: treesize reduction 28, result has 56.3 percent of original size [2021-07-14 00:24:00,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:24:00,243 INFO L142 QuantifierPusher]: treesize reduction 51, result has 37.0 percent of original size [2021-07-14 00:24:00,244 INFO L147 QuantifierPusher]: treesize reduction 6, result has 80.0 percent of original size 24 [2021-07-14 00:24:00,286 INFO L142 QuantifierPusher]: treesize reduction 46, result has 43.9 percent of original size [2021-07-14 00:24:00,287 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size 30 [2021-07-14 00:24:00,331 INFO L142 QuantifierPusher]: treesize reduction 26, result has 43.5 percent of original size [2021-07-14 00:24:00,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:24:00,363 INFO L142 QuantifierPusher]: treesize reduction 18, result has 58.1 percent of original size [2021-07-14 00:24:00,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:24:00,392 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 00:24:00,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:24:00,393 INFO L142 QuantifierPusher]: treesize reduction 28, result has 33.3 percent of original size [2021-07-14 00:24:00,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:24:00,423 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-14 00:24:00,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:24:00,456 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-14 00:24:00,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:24:00,488 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-14 00:24:00,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:24:00,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:00,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:24:00,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:00,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:24:00,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:00,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:24:00,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:00,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:24:00,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:24:00,599 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:24:00,599 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274039987] [2021-07-14 00:24:00,599 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274039987] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:24:00,599 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:24:00,600 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-07-14 00:24:00,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089673149] [2021-07-14 00:24:00,600 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 00:24:00,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:24:00,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 00:24:00,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1374, Unknown=0, NotChecked=0, Total=1482 [2021-07-14 00:24:00,601 INFO L87 Difference]: Start difference. First operand 597 states and 757 transitions. Second operand has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:02,283 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 64 [2021-07-14 00:24:02,439 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2021-07-14 00:24:02,598 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-07-14 00:24:02,782 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-07-14 00:24:03,137 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2021-07-14 00:24:03,365 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 76 [2021-07-14 00:24:03,631 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 78 [2021-07-14 00:24:03,881 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-07-14 00:24:04,387 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 86 [2021-07-14 00:24:04,658 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 90 [2021-07-14 00:24:04,801 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2021-07-14 00:24:04,971 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-14 00:24:05,119 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2021-07-14 00:24:06,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:24:06,153 INFO L93 Difference]: Finished difference Result 746 states and 967 transitions. [2021-07-14 00:24:06,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 00:24:06,153 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:24:06,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:24:06,154 INFO L225 Difference]: With dead ends: 746 [2021-07-14 00:24:06,154 INFO L226 Difference]: Without dead ends: 632 [2021-07-14 00:24:06,155 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1162 ImplicationChecksByTransitivity, 5758.1ms TimeCoverageRelationStatistics Valid=970, Invalid=5350, Unknown=0, NotChecked=0, Total=6320 [2021-07-14 00:24:06,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2021-07-14 00:24:06,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 601. [2021-07-14 00:24:06,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 600 states have (on average 1.2716666666666667) internal successors, (763), 600 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:06,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 763 transitions. [2021-07-14 00:24:06,160 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 763 transitions. Word has length 120 [2021-07-14 00:24:06,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:24:06,160 INFO L482 AbstractCegarLoop]: Abstraction has 601 states and 763 transitions. [2021-07-14 00:24:06,160 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:06,160 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 763 transitions. [2021-07-14 00:24:06,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:24:06,161 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:24:06,161 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:24:06,161 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-07-14 00:24:06,161 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:24:06,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:24:06,162 INFO L82 PathProgramCache]: Analyzing trace with hash 2142403783, now seen corresponding path program 14 times [2021-07-14 00:24:06,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:24:06,162 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898490361] [2021-07-14 00:24:06,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:24:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:24:06,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:06,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:24:06,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:06,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:24:06,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:06,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:24:06,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:06,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:24:06,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:06,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:24:06,356 INFO L142 QuantifierPusher]: treesize reduction 20, result has 62.3 percent of original size [2021-07-14 00:24:06,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:24:06,376 INFO L142 QuantifierPusher]: treesize reduction 20, result has 69.7 percent of original size [2021-07-14 00:24:06,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-14 00:24:06,411 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.0 percent of original size [2021-07-14 00:24:06,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-14 00:24:06,454 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-14 00:24:06,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-14 00:24:06,501 INFO L142 QuantifierPusher]: treesize reduction 26, result has 69.0 percent of original size [2021-07-14 00:24:06,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-14 00:24:06,545 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-14 00:24:06,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-14 00:24:06,615 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-14 00:24:06,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-14 00:24:06,682 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.3 percent of original size [2021-07-14 00:24:06,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:24:06,726 INFO L142 QuantifierPusher]: treesize reduction 20, result has 60.8 percent of original size [2021-07-14 00:24:06,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:24:06,747 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-07-14 00:24:06,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:24:06,771 INFO L142 QuantifierPusher]: treesize reduction 20, result has 57.4 percent of original size [2021-07-14 00:24:06,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:24:06,795 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:24:06,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:24:06,828 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:24:06,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:24:06,863 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:24:06,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:24:06,897 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:24:06,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:24:06,934 INFO L142 QuantifierPusher]: treesize reduction 24, result has 62.5 percent of original size [2021-07-14 00:24:06,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:24:06,966 INFO L142 QuantifierPusher]: treesize reduction 24, result has 64.2 percent of original size [2021-07-14 00:24:06,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:24:06,989 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-14 00:24:06,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:24:07,014 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-14 00:24:07,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:24:07,041 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-14 00:24:07,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:24:07,070 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-14 00:24:07,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:24:07,100 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-14 00:24:07,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:24:07,130 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-14 00:24:07,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:24:07,162 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-14 00:24:07,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:24:07,194 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-14 00:24:07,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:24:07,226 INFO L142 QuantifierPusher]: treesize reduction 47, result has 44.0 percent of original size [2021-07-14 00:24:07,227 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size 31 [2021-07-14 00:24:07,272 INFO L142 QuantifierPusher]: treesize reduction 19, result has 56.8 percent of original size [2021-07-14 00:24:07,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:24:07,308 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-14 00:24:07,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:24:07,334 INFO L142 QuantifierPusher]: treesize reduction 29, result has 32.6 percent of original size [2021-07-14 00:24:07,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:24:07,364 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 00:24:07,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:24:07,399 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 00:24:07,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:24:07,400 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-14 00:24:07,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:24:07,431 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-14 00:24:07,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:24:07,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:07,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:24:07,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:07,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:24:07,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:07,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:24:07,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:07,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:24:07,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:24:07,541 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:24:07,541 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898490361] [2021-07-14 00:24:07,542 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898490361] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:24:07,542 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:24:07,542 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-07-14 00:24:07,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037543311] [2021-07-14 00:24:07,542 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 00:24:07,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:24:07,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 00:24:07,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1366, Unknown=0, NotChecked=0, Total=1482 [2021-07-14 00:24:07,543 INFO L87 Difference]: Start difference. First operand 601 states and 763 transitions. Second operand has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:09,066 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 64 [2021-07-14 00:24:09,217 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2021-07-14 00:24:09,371 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2021-07-14 00:24:09,554 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-07-14 00:24:09,926 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2021-07-14 00:24:10,138 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2021-07-14 00:24:10,365 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-14 00:24:10,612 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-14 00:24:11,107 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 86 [2021-07-14 00:24:11,264 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2021-07-14 00:24:11,402 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2021-07-14 00:24:11,572 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2021-07-14 00:24:12,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:24:12,721 INFO L93 Difference]: Finished difference Result 740 states and 959 transitions. [2021-07-14 00:24:12,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 00:24:12,721 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:24:12,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:24:12,722 INFO L225 Difference]: With dead ends: 740 [2021-07-14 00:24:12,722 INFO L226 Difference]: Without dead ends: 631 [2021-07-14 00:24:12,723 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1192 ImplicationChecksByTransitivity, 5187.2ms TimeCoverageRelationStatistics Valid=943, Invalid=5063, Unknown=0, NotChecked=0, Total=6006 [2021-07-14 00:24:12,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2021-07-14 00:24:12,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 600. [2021-07-14 00:24:12,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 599 states have (on average 1.2704507512520868) internal successors, (761), 599 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:12,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 761 transitions. [2021-07-14 00:24:12,728 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 761 transitions. Word has length 120 [2021-07-14 00:24:12,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:24:12,728 INFO L482 AbstractCegarLoop]: Abstraction has 600 states and 761 transitions. [2021-07-14 00:24:12,728 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:12,728 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 761 transitions. [2021-07-14 00:24:12,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:24:12,729 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:24:12,729 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:24:12,729 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-07-14 00:24:12,729 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:24:12,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:24:12,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1711932129, now seen corresponding path program 15 times [2021-07-14 00:24:12,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:24:12,730 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713307320] [2021-07-14 00:24:12,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:24:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:24:12,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:12,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:24:12,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:12,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:24:12,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:12,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:24:12,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:12,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:24:12,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:12,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:24:12,862 INFO L142 QuantifierPusher]: treesize reduction 25, result has 51.9 percent of original size [2021-07-14 00:24:12,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:24:12,874 INFO L142 QuantifierPusher]: treesize reduction 25, result has 61.5 percent of original size [2021-07-14 00:24:12,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:24:12,895 INFO L142 QuantifierPusher]: treesize reduction 21, result has 72.0 percent of original size [2021-07-14 00:24:12,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-07-14 00:24:12,940 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-14 00:24:12,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:24:12,962 INFO L142 QuantifierPusher]: treesize reduction 12, result has 77.8 percent of original size [2021-07-14 00:24:12,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:24:12,982 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-14 00:24:12,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:24:13,001 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-14 00:24:13,002 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-14 00:24:13,038 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-14 00:24:13,039 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-14 00:24:13,076 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-14 00:24:13,077 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-14 00:24:13,116 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-14 00:24:13,117 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-14 00:24:13,156 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.8 percent of original size [2021-07-14 00:24:13,156 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.4 percent of original size 47 [2021-07-14 00:24:13,197 INFO L142 QuantifierPusher]: treesize reduction 14, result has 79.7 percent of original size [2021-07-14 00:24:13,198 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.9 percent of original size 50 [2021-07-14 00:24:13,214 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-14 00:24:13,215 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:24:13,247 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-14 00:24:13,248 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:24:13,284 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:24:13,284 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:24:13,322 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:24:13,322 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:24:13,363 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:24:13,364 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-14 00:24:13,404 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:24:13,404 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-14 00:24:13,454 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:24:13,455 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:24:13,496 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:24:13,497 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:24:13,540 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-07-14 00:24:13,540 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:24:13,586 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-07-14 00:24:13,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:24:13,616 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-07-14 00:24:13,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:24:13,638 INFO L142 QuantifierPusher]: treesize reduction 16, result has 56.8 percent of original size [2021-07-14 00:24:13,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:24:13,666 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-07-14 00:24:13,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:24:13,697 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:24:13,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:24:13,727 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:24:13,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:24:13,728 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:24:13,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:24:13,756 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:24:13,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:24:13,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:13,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:24:13,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:13,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:24:13,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:13,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:24:13,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:13,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:24:13,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:24:13,853 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:24:13,853 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713307320] [2021-07-14 00:24:13,853 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713307320] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:24:13,853 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:24:13,853 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:24:13,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895533228] [2021-07-14 00:24:13,853 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:24:13,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:24:13,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:24:13,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1096, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:24:13,854 INFO L87 Difference]: Start difference. First operand 600 states and 761 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:15,020 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-07-14 00:24:15,235 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-14 00:24:15,598 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-14 00:24:15,813 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-14 00:24:16,053 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2021-07-14 00:24:16,311 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-07-14 00:24:16,835 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2021-07-14 00:24:16,999 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2021-07-14 00:24:17,130 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-07-14 00:24:17,326 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2021-07-14 00:24:18,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:24:18,085 INFO L93 Difference]: Finished difference Result 741 states and 959 transitions. [2021-07-14 00:24:18,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 00:24:18,085 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:24:18,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:24:18,086 INFO L225 Difference]: With dead ends: 741 [2021-07-14 00:24:18,086 INFO L226 Difference]: Without dead ends: 629 [2021-07-14 00:24:18,087 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 808 ImplicationChecksByTransitivity, 4263.9ms TimeCoverageRelationStatistics Valid=726, Invalid=3696, Unknown=0, NotChecked=0, Total=4422 [2021-07-14 00:24:18,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2021-07-14 00:24:18,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 598. [2021-07-14 00:24:18,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 597 states have (on average 1.2680067001675042) internal successors, (757), 597 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:18,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 757 transitions. [2021-07-14 00:24:18,092 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 757 transitions. Word has length 120 [2021-07-14 00:24:18,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:24:18,092 INFO L482 AbstractCegarLoop]: Abstraction has 598 states and 757 transitions. [2021-07-14 00:24:18,092 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:18,092 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 757 transitions. [2021-07-14 00:24:18,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:24:18,093 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:24:18,093 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:24:18,093 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-07-14 00:24:18,093 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:24:18,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:24:18,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1970036611, now seen corresponding path program 16 times [2021-07-14 00:24:18,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:24:18,094 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974524327] [2021-07-14 00:24:18,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:24:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:24:18,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:18,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:24:18,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:18,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:24:18,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:18,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:24:18,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:18,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:24:18,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:18,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:24:18,233 INFO L142 QuantifierPusher]: treesize reduction 25, result has 47.9 percent of original size [2021-07-14 00:24:18,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:24:18,244 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.0 percent of original size [2021-07-14 00:24:18,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:24:18,265 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.4 percent of original size [2021-07-14 00:24:18,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-14 00:24:18,307 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-14 00:24:18,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:24:18,328 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-14 00:24:18,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:24:18,348 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-14 00:24:18,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:24:18,367 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:24:18,368 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:24:18,411 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:24:18,411 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:24:18,449 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:24:18,449 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:24:18,488 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:24:18,488 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:24:18,535 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-07-14 00:24:18,536 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.6 percent of original size 43 [2021-07-14 00:24:18,579 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.5 percent of original size [2021-07-14 00:24:18,579 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size 46 [2021-07-14 00:24:18,597 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-14 00:24:18,597 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:24:18,614 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-14 00:24:18,614 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:24:18,650 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:24:18,650 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:24:18,687 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:24:18,687 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:24:18,726 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:24:18,726 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-14 00:24:18,770 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:24:18,771 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:24:18,816 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:24:18,817 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:24:18,862 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:24:18,862 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:24:18,910 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-07-14 00:24:18,911 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:24:18,963 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:24:18,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:24:18,993 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:24:18,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:24:19,015 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:24:19,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:24:19,042 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:24:19,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:24:19,070 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:24:19,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:24:19,071 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:24:19,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:24:19,097 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:24:19,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:24:19,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:19,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:24:19,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:19,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:24:19,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:19,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:24:19,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:19,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:24:19,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:24:19,194 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:24:19,195 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974524327] [2021-07-14 00:24:19,195 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974524327] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:24:19,195 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:24:19,195 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2021-07-14 00:24:19,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973781593] [2021-07-14 00:24:19,195 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 00:24:19,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:24:19,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 00:24:19,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=974, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 00:24:19,196 INFO L87 Difference]: Start difference. First operand 598 states and 757 transitions. Second operand has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:20,287 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-07-14 00:24:20,503 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-14 00:24:20,841 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-14 00:24:21,055 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-14 00:24:21,289 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2021-07-14 00:24:21,705 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-14 00:24:21,869 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-14 00:24:22,018 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-07-14 00:24:22,209 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-14 00:24:22,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:24:22,932 INFO L93 Difference]: Finished difference Result 734 states and 949 transitions. [2021-07-14 00:24:22,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 00:24:22,936 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:24:22,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:24:22,937 INFO L225 Difference]: With dead ends: 734 [2021-07-14 00:24:22,937 INFO L226 Difference]: Without dead ends: 621 [2021-07-14 00:24:22,937 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 673 ImplicationChecksByTransitivity, 3926.4ms TimeCoverageRelationStatistics Valid=646, Invalid=3260, Unknown=0, NotChecked=0, Total=3906 [2021-07-14 00:24:22,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2021-07-14 00:24:22,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 596. [2021-07-14 00:24:22,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 595 states have (on average 1.2672268907563025) internal successors, (754), 595 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:22,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 754 transitions. [2021-07-14 00:24:22,943 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 754 transitions. Word has length 120 [2021-07-14 00:24:22,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:24:22,943 INFO L482 AbstractCegarLoop]: Abstraction has 596 states and 754 transitions. [2021-07-14 00:24:22,944 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:22,944 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 754 transitions. [2021-07-14 00:24:22,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:24:22,945 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:24:22,945 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:24:22,945 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-07-14 00:24:22,945 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:24:22,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:24:22,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1440084545, now seen corresponding path program 17 times [2021-07-14 00:24:22,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:24:22,946 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180444784] [2021-07-14 00:24:22,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:24:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:24:23,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:23,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:24:23,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:23,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:24:23,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:23,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:24:23,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:23,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:24:23,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:23,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:24:23,098 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.0 percent of original size [2021-07-14 00:24:23,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:24:23,114 INFO L142 QuantifierPusher]: treesize reduction 12, result has 77.4 percent of original size [2021-07-14 00:24:23,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:24:23,153 INFO L142 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size [2021-07-14 00:24:23,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:24:23,201 INFO L142 QuantifierPusher]: treesize reduction 12, result has 83.1 percent of original size [2021-07-14 00:24:23,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-14 00:24:23,256 INFO L142 QuantifierPusher]: treesize reduction 18, result has 74.6 percent of original size [2021-07-14 00:24:23,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-14 00:24:23,301 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-14 00:24:23,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-14 00:24:23,352 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-14 00:24:23,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-14 00:24:23,404 INFO L142 QuantifierPusher]: treesize reduction 12, result has 81.0 percent of original size [2021-07-14 00:24:23,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:24:23,447 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-07-14 00:24:23,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:24:23,468 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:24:23,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:24:23,491 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:24:23,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:24:23,512 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-14 00:24:23,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:24:23,545 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-14 00:24:23,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:24:23,579 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-14 00:24:23,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:24:23,615 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-14 00:24:23,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:24:23,652 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.1 percent of original size [2021-07-14 00:24:23,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:24:23,686 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-07-14 00:24:23,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:24:23,710 INFO L142 QuantifierPusher]: treesize reduction 23, result has 58.2 percent of original size [2021-07-14 00:24:23,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:24:23,736 INFO L142 QuantifierPusher]: treesize reduction 23, result has 58.2 percent of original size [2021-07-14 00:24:23,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:24:23,764 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-14 00:24:23,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:24:23,814 INFO L142 QuantifierPusher]: treesize reduction 28, result has 56.3 percent of original size [2021-07-14 00:24:23,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:24:23,867 INFO L142 QuantifierPusher]: treesize reduction 28, result has 56.3 percent of original size [2021-07-14 00:24:23,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:24:23,909 INFO L142 QuantifierPusher]: treesize reduction 28, result has 56.3 percent of original size [2021-07-14 00:24:23,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:24:23,952 INFO L142 QuantifierPusher]: treesize reduction 28, result has 56.3 percent of original size [2021-07-14 00:24:23,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:24:24,022 INFO L142 QuantifierPusher]: treesize reduction 51, result has 37.0 percent of original size [2021-07-14 00:24:24,022 INFO L147 QuantifierPusher]: treesize reduction 6, result has 80.0 percent of original size 24 [2021-07-14 00:24:24,067 INFO L142 QuantifierPusher]: treesize reduction 46, result has 43.9 percent of original size [2021-07-14 00:24:24,067 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size 30 [2021-07-14 00:24:24,112 INFO L142 QuantifierPusher]: treesize reduction 26, result has 43.5 percent of original size [2021-07-14 00:24:24,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:24:24,143 INFO L142 QuantifierPusher]: treesize reduction 18, result has 58.1 percent of original size [2021-07-14 00:24:24,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:24:24,172 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 00:24:24,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:24:24,173 INFO L142 QuantifierPusher]: treesize reduction 28, result has 33.3 percent of original size [2021-07-14 00:24:24,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:24:24,203 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-14 00:24:24,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:24:24,237 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-14 00:24:24,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:24:24,266 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-14 00:24:24,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:24:24,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:24,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:24:24,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:24,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:24:24,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:24,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:24:24,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:24,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:24:24,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:24:24,376 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:24:24,377 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180444784] [2021-07-14 00:24:24,377 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180444784] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:24:24,377 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:24:24,377 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-07-14 00:24:24,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562793667] [2021-07-14 00:24:24,377 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 00:24:24,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:24:24,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 00:24:24,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1374, Unknown=0, NotChecked=0, Total=1482 [2021-07-14 00:24:24,378 INFO L87 Difference]: Start difference. First operand 596 states and 754 transitions. Second operand has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:26,081 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 64 [2021-07-14 00:24:26,237 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2021-07-14 00:24:26,404 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-07-14 00:24:26,595 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-07-14 00:24:26,950 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2021-07-14 00:24:27,167 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 74 [2021-07-14 00:24:27,394 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 78 [2021-07-14 00:24:27,758 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-07-14 00:24:28,053 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2021-07-14 00:24:28,307 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 86 [2021-07-14 00:24:28,585 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 90 [2021-07-14 00:24:28,755 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2021-07-14 00:24:28,969 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2021-07-14 00:24:29,139 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2021-07-14 00:24:30,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:24:30,221 INFO L93 Difference]: Finished difference Result 747 states and 968 transitions. [2021-07-14 00:24:30,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 00:24:30,222 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:24:30,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:24:30,223 INFO L225 Difference]: With dead ends: 747 [2021-07-14 00:24:30,223 INFO L226 Difference]: Without dead ends: 632 [2021-07-14 00:24:30,223 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1200 ImplicationChecksByTransitivity, 5980.7ms TimeCoverageRelationStatistics Valid=1000, Invalid=5480, Unknown=0, NotChecked=0, Total=6480 [2021-07-14 00:24:30,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2021-07-14 00:24:30,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 601. [2021-07-14 00:24:30,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 600 states have (on average 1.27) internal successors, (762), 600 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:30,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 762 transitions. [2021-07-14 00:24:30,228 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 762 transitions. Word has length 120 [2021-07-14 00:24:30,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:24:30,228 INFO L482 AbstractCegarLoop]: Abstraction has 601 states and 762 transitions. [2021-07-14 00:24:30,228 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:30,228 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 762 transitions. [2021-07-14 00:24:30,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:24:30,229 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:24:30,229 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:24:30,229 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-07-14 00:24:30,229 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:24:30,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:24:30,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1939601829, now seen corresponding path program 18 times [2021-07-14 00:24:30,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:24:30,230 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420370805] [2021-07-14 00:24:30,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:24:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:24:30,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:30,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:24:30,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:30,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:24:30,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:30,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:24:30,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:30,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:24:30,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:30,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:24:30,387 INFO L142 QuantifierPusher]: treesize reduction 20, result has 62.3 percent of original size [2021-07-14 00:24:30,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:24:30,411 INFO L142 QuantifierPusher]: treesize reduction 20, result has 69.7 percent of original size [2021-07-14 00:24:30,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-14 00:24:30,449 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.0 percent of original size [2021-07-14 00:24:30,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-14 00:24:30,493 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-14 00:24:30,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-14 00:24:30,540 INFO L142 QuantifierPusher]: treesize reduction 26, result has 69.0 percent of original size [2021-07-14 00:24:30,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-14 00:24:30,594 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-14 00:24:30,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-14 00:24:30,662 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-14 00:24:30,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-14 00:24:30,733 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.3 percent of original size [2021-07-14 00:24:30,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:24:30,779 INFO L142 QuantifierPusher]: treesize reduction 20, result has 60.8 percent of original size [2021-07-14 00:24:30,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:24:30,799 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-07-14 00:24:30,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:24:30,821 INFO L142 QuantifierPusher]: treesize reduction 20, result has 57.4 percent of original size [2021-07-14 00:24:30,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:24:30,842 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:24:30,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:24:30,874 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:24:30,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:24:30,907 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:24:30,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:24:30,941 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:24:30,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:24:30,977 INFO L142 QuantifierPusher]: treesize reduction 24, result has 62.5 percent of original size [2021-07-14 00:24:30,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:24:31,006 INFO L142 QuantifierPusher]: treesize reduction 24, result has 64.2 percent of original size [2021-07-14 00:24:31,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:24:31,027 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-14 00:24:31,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:24:31,051 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-14 00:24:31,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:24:31,076 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-14 00:24:31,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:24:31,102 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-14 00:24:31,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:24:31,129 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-14 00:24:31,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:24:31,157 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-14 00:24:31,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:24:31,186 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-14 00:24:31,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:24:31,217 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-14 00:24:31,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:24:31,250 INFO L142 QuantifierPusher]: treesize reduction 47, result has 44.0 percent of original size [2021-07-14 00:24:31,251 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size 31 [2021-07-14 00:24:31,299 INFO L142 QuantifierPusher]: treesize reduction 19, result has 56.8 percent of original size [2021-07-14 00:24:31,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:24:31,332 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-14 00:24:31,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:24:31,357 INFO L142 QuantifierPusher]: treesize reduction 29, result has 32.6 percent of original size [2021-07-14 00:24:31,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:24:31,386 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 00:24:31,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:24:31,417 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 00:24:31,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:24:31,418 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-14 00:24:31,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:24:31,448 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-14 00:24:31,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:24:31,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:31,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:24:31,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:31,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:24:31,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:31,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:24:31,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:31,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:24:31,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:24:31,557 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:24:31,557 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420370805] [2021-07-14 00:24:31,557 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420370805] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:24:31,557 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:24:31,557 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-07-14 00:24:31,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331751013] [2021-07-14 00:24:31,557 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 00:24:31,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:24:31,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 00:24:31,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1366, Unknown=0, NotChecked=0, Total=1482 [2021-07-14 00:24:31,558 INFO L87 Difference]: Start difference. First operand 601 states and 762 transitions. Second operand has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:33,140 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2021-07-14 00:24:33,299 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2021-07-14 00:24:33,495 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-07-14 00:24:33,850 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2021-07-14 00:24:34,045 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-07-14 00:24:34,280 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-14 00:24:34,630 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-14 00:24:35,141 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 86 [2021-07-14 00:24:35,306 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2021-07-14 00:24:35,464 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2021-07-14 00:24:35,659 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2021-07-14 00:24:36,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:24:36,711 INFO L93 Difference]: Finished difference Result 740 states and 958 transitions. [2021-07-14 00:24:36,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 00:24:36,711 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:24:36,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:24:36,712 INFO L225 Difference]: With dead ends: 740 [2021-07-14 00:24:36,712 INFO L226 Difference]: Without dead ends: 631 [2021-07-14 00:24:36,712 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1229 ImplicationChecksByTransitivity, 5388.8ms TimeCoverageRelationStatistics Valid=972, Invalid=5190, Unknown=0, NotChecked=0, Total=6162 [2021-07-14 00:24:36,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2021-07-14 00:24:36,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 600. [2021-07-14 00:24:36,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 599 states have (on average 1.2687813021702838) internal successors, (760), 599 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:36,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 760 transitions. [2021-07-14 00:24:36,718 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 760 transitions. Word has length 120 [2021-07-14 00:24:36,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:24:36,718 INFO L482 AbstractCegarLoop]: Abstraction has 600 states and 760 transitions. [2021-07-14 00:24:36,718 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:36,718 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 760 transitions. [2021-07-14 00:24:36,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:24:36,719 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:24:36,719 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:24:36,719 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-07-14 00:24:36,720 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:24:36,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:24:36,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1498970445, now seen corresponding path program 19 times [2021-07-14 00:24:36,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:24:36,720 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172328499] [2021-07-14 00:24:36,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:24:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:24:36,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:36,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:24:36,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:36,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:24:36,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:36,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:24:36,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:36,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:24:36,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:36,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:24:36,863 INFO L142 QuantifierPusher]: treesize reduction 25, result has 51.9 percent of original size [2021-07-14 00:24:36,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:24:36,877 INFO L142 QuantifierPusher]: treesize reduction 25, result has 61.5 percent of original size [2021-07-14 00:24:36,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:24:36,897 INFO L142 QuantifierPusher]: treesize reduction 21, result has 72.0 percent of original size [2021-07-14 00:24:36,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-07-14 00:24:36,944 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-14 00:24:36,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:24:36,965 INFO L142 QuantifierPusher]: treesize reduction 12, result has 77.8 percent of original size [2021-07-14 00:24:36,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:24:36,985 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-14 00:24:36,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:24:37,005 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-14 00:24:37,006 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-14 00:24:37,043 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-14 00:24:37,044 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-14 00:24:37,081 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-14 00:24:37,082 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-14 00:24:37,122 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-14 00:24:37,123 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-14 00:24:37,165 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.8 percent of original size [2021-07-14 00:24:37,166 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.4 percent of original size 47 [2021-07-14 00:24:37,211 INFO L142 QuantifierPusher]: treesize reduction 14, result has 79.7 percent of original size [2021-07-14 00:24:37,211 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.9 percent of original size 50 [2021-07-14 00:24:37,229 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-14 00:24:37,230 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:24:37,267 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-14 00:24:37,268 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:24:37,305 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:24:37,306 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:24:37,343 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:24:37,343 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-14 00:24:37,397 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:24:37,397 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-14 00:24:37,436 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:24:37,436 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-14 00:24:37,476 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:24:37,477 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:24:37,521 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:24:37,521 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:24:37,572 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-07-14 00:24:37,572 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:24:37,624 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-07-14 00:24:37,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:24:37,662 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-07-14 00:24:37,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:24:37,685 INFO L142 QuantifierPusher]: treesize reduction 16, result has 56.8 percent of original size [2021-07-14 00:24:37,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:24:37,713 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-07-14 00:24:37,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:24:37,743 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:24:37,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:24:37,773 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:24:37,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:24:37,773 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:24:37,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:24:37,800 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:24:37,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:24:37,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:37,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:24:37,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:37,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:24:37,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:37,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:24:37,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:37,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:24:37,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:24:37,897 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:24:37,897 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172328499] [2021-07-14 00:24:37,897 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172328499] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:24:37,897 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:24:37,897 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:24:37,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112644846] [2021-07-14 00:24:37,897 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:24:37,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:24:37,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:24:37,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1096, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:24:37,898 INFO L87 Difference]: Start difference. First operand 600 states and 760 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:39,002 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 62 [2021-07-14 00:24:39,150 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-07-14 00:24:39,364 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-14 00:24:39,739 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-14 00:24:39,946 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-07-14 00:24:40,176 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2021-07-14 00:24:40,544 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-07-14 00:24:40,851 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2021-07-14 00:24:41,160 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2021-07-14 00:24:41,349 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2021-07-14 00:24:41,490 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-07-14 00:24:41,695 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2021-07-14 00:24:42,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:24:42,491 INFO L93 Difference]: Finished difference Result 741 states and 958 transitions. [2021-07-14 00:24:42,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 00:24:42,492 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:24:42,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:24:42,493 INFO L225 Difference]: With dead ends: 741 [2021-07-14 00:24:42,493 INFO L226 Difference]: Without dead ends: 629 [2021-07-14 00:24:42,493 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 836 ImplicationChecksByTransitivity, 4510.8ms TimeCoverageRelationStatistics Valid=754, Invalid=3802, Unknown=0, NotChecked=0, Total=4556 [2021-07-14 00:24:42,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2021-07-14 00:24:42,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 598. [2021-07-14 00:24:42,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 597 states have (on average 1.2663316582914572) internal successors, (756), 597 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:42,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 756 transitions. [2021-07-14 00:24:42,498 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 756 transitions. Word has length 120 [2021-07-14 00:24:42,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:24:42,499 INFO L482 AbstractCegarLoop]: Abstraction has 598 states and 756 transitions. [2021-07-14 00:24:42,499 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:42,499 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 756 transitions. [2021-07-14 00:24:42,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:24:42,500 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:24:42,500 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:24:42,500 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-07-14 00:24:42,500 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:24:42,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:24:42,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1757074927, now seen corresponding path program 20 times [2021-07-14 00:24:42,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:24:42,500 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313355969] [2021-07-14 00:24:42,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:24:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:24:42,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:42,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:24:42,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:42,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:24:42,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:42,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:24:42,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:42,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:24:42,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:42,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:24:42,648 INFO L142 QuantifierPusher]: treesize reduction 25, result has 47.9 percent of original size [2021-07-14 00:24:42,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:24:42,660 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.0 percent of original size [2021-07-14 00:24:42,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:24:42,681 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.4 percent of original size [2021-07-14 00:24:42,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-14 00:24:42,725 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-14 00:24:42,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:24:42,744 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-14 00:24:42,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:24:42,764 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-14 00:24:42,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:24:42,784 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:24:42,784 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:24:42,819 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:24:42,819 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:24:42,856 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:24:42,856 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:24:42,894 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:24:42,895 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:24:42,933 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-07-14 00:24:42,934 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.6 percent of original size 43 [2021-07-14 00:24:42,973 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.5 percent of original size [2021-07-14 00:24:42,974 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size 46 [2021-07-14 00:24:42,992 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-14 00:24:42,993 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:24:43,009 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-14 00:24:43,013 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:24:43,049 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:24:43,049 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:24:43,086 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:24:43,086 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-14 00:24:43,123 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:24:43,123 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-14 00:24:43,162 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:24:43,162 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:24:43,203 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:24:43,203 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:24:43,245 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:24:43,245 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:24:43,296 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-07-14 00:24:43,297 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:24:43,343 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:24:43,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:24:43,373 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:24:43,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:24:43,399 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:24:43,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:24:43,429 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:24:43,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:24:43,460 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:24:43,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:24:43,461 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:24:43,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:24:43,489 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:24:43,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:24:43,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:43,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:24:43,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:43,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:24:43,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:43,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:24:43,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:43,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:24:43,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:24:43,586 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:24:43,586 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313355969] [2021-07-14 00:24:43,587 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313355969] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:24:43,587 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:24:43,587 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2021-07-14 00:24:43,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872716694] [2021-07-14 00:24:43,587 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 00:24:43,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:24:43,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 00:24:43,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=974, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 00:24:43,588 INFO L87 Difference]: Start difference. First operand 598 states and 756 transitions. Second operand has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:44,673 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-07-14 00:24:44,882 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-14 00:24:45,219 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-14 00:24:45,419 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-07-14 00:24:45,638 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2021-07-14 00:24:46,142 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-14 00:24:46,319 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-14 00:24:46,501 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-14 00:24:46,650 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-07-14 00:24:46,840 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-14 00:24:47,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:24:47,566 INFO L93 Difference]: Finished difference Result 740 states and 955 transitions. [2021-07-14 00:24:47,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 00:24:47,566 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:24:47,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:24:47,567 INFO L225 Difference]: With dead ends: 740 [2021-07-14 00:24:47,567 INFO L226 Difference]: Without dead ends: 628 [2021-07-14 00:24:47,568 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 730 ImplicationChecksByTransitivity, 4155.2ms TimeCoverageRelationStatistics Valid=693, Invalid=3467, Unknown=0, NotChecked=0, Total=4160 [2021-07-14 00:24:47,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2021-07-14 00:24:47,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 597. [2021-07-14 00:24:47,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 596 states have (on average 1.2651006711409396) internal successors, (754), 596 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:47,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 754 transitions. [2021-07-14 00:24:47,573 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 754 transitions. Word has length 120 [2021-07-14 00:24:47,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:24:47,573 INFO L482 AbstractCegarLoop]: Abstraction has 597 states and 754 transitions. [2021-07-14 00:24:47,573 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:47,573 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 754 transitions. [2021-07-14 00:24:47,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:24:47,574 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:24:47,574 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:24:47,574 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-07-14 00:24:47,574 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:24:47,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:24:47,574 INFO L82 PathProgramCache]: Analyzing trace with hash -2045880417, now seen corresponding path program 21 times [2021-07-14 00:24:47,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:24:47,575 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301791916] [2021-07-14 00:24:47,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:24:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:24:47,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:47,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:24:47,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:47,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:24:47,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:47,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:24:47,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:47,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:24:47,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:47,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:24:47,708 INFO L142 QuantifierPusher]: treesize reduction 25, result has 47.9 percent of original size [2021-07-14 00:24:47,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:24:47,720 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.0 percent of original size [2021-07-14 00:24:47,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:24:47,738 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.4 percent of original size [2021-07-14 00:24:47,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-14 00:24:47,774 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-14 00:24:47,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:24:47,790 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-14 00:24:47,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:24:47,808 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-14 00:24:47,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:24:47,825 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:24:47,826 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:24:47,858 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:24:47,859 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:24:47,892 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:24:47,892 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:24:47,927 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:24:47,927 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:24:47,963 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-07-14 00:24:47,963 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.6 percent of original size 43 [2021-07-14 00:24:48,013 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.5 percent of original size [2021-07-14 00:24:48,014 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size 46 [2021-07-14 00:24:48,031 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-14 00:24:48,032 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:24:48,048 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-14 00:24:48,048 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:24:48,084 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:24:48,084 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:24:48,121 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:24:48,121 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-14 00:24:48,157 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:24:48,158 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:24:48,197 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:24:48,197 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:24:48,238 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:24:48,239 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:24:48,281 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:24:48,281 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:24:48,327 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-07-14 00:24:48,328 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:24:48,379 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:24:48,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:24:48,413 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:24:48,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:24:48,438 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:24:48,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:24:48,467 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:24:48,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:24:48,496 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:24:48,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:24:48,497 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:24:48,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:24:48,523 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:24:48,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:24:48,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:48,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:24:48,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:48,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:24:48,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:48,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:24:48,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:48,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:24:48,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:24:48,619 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:24:48,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301791916] [2021-07-14 00:24:48,619 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301791916] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:24:48,619 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:24:48,619 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2021-07-14 00:24:48,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397169005] [2021-07-14 00:24:48,620 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 00:24:48,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:24:48,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 00:24:48,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=974, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 00:24:48,620 INFO L87 Difference]: Start difference. First operand 597 states and 754 transitions. Second operand has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:49,754 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-07-14 00:24:49,964 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-14 00:24:50,314 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-14 00:24:50,521 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-07-14 00:24:50,957 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-14 00:24:51,137 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-14 00:24:51,321 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-14 00:24:51,484 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2021-07-14 00:24:51,689 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-14 00:24:52,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:24:52,449 INFO L93 Difference]: Finished difference Result 733 states and 946 transitions. [2021-07-14 00:24:52,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 00:24:52,449 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:24:52,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:24:52,450 INFO L225 Difference]: With dead ends: 733 [2021-07-14 00:24:52,450 INFO L226 Difference]: Without dead ends: 607 [2021-07-14 00:24:52,451 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 683 ImplicationChecksByTransitivity, 3923.0ms TimeCoverageRelationStatistics Valid=635, Invalid=3271, Unknown=0, NotChecked=0, Total=3906 [2021-07-14 00:24:52,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2021-07-14 00:24:52,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 583. [2021-07-14 00:24:52,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 582 states have (on average 1.2697594501718212) internal successors, (739), 582 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:52,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 739 transitions. [2021-07-14 00:24:52,455 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 739 transitions. Word has length 120 [2021-07-14 00:24:52,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:24:52,455 INFO L482 AbstractCegarLoop]: Abstraction has 583 states and 739 transitions. [2021-07-14 00:24:52,455 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:52,456 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 739 transitions. [2021-07-14 00:24:52,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:24:52,456 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:24:52,457 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:24:52,457 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-07-14 00:24:52,457 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:24:52,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:24:52,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1569796983, now seen corresponding path program 22 times [2021-07-14 00:24:52,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:24:52,457 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103752780] [2021-07-14 00:24:52,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:24:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:24:52,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:52,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:24:52,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:52,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:24:52,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:52,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:24:52,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:52,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:24:52,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:52,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:24:52,592 INFO L142 QuantifierPusher]: treesize reduction 25, result has 47.9 percent of original size [2021-07-14 00:24:52,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:24:52,604 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.0 percent of original size [2021-07-14 00:24:52,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:24:52,624 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.4 percent of original size [2021-07-14 00:24:52,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-14 00:24:52,661 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-14 00:24:52,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:24:52,679 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-14 00:24:52,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:24:52,699 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-14 00:24:52,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:24:52,717 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:24:52,717 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:24:52,751 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:24:52,751 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:24:52,786 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:24:52,787 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:24:52,831 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:24:52,831 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:24:52,867 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-07-14 00:24:52,868 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.6 percent of original size 43 [2021-07-14 00:24:52,908 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.5 percent of original size [2021-07-14 00:24:52,909 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size 46 [2021-07-14 00:24:52,927 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-14 00:24:52,927 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:24:52,944 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.8 percent of original size [2021-07-14 00:24:52,945 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.5 percent of original size 32 [2021-07-14 00:24:52,986 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.8 percent of original size [2021-07-14 00:24:52,986 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.5 percent of original size 32 [2021-07-14 00:24:53,026 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-14 00:24:53,026 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:24:53,064 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:24:53,064 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:24:53,104 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:24:53,104 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:24:53,150 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:24:53,150 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:24:53,194 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:24:53,195 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:24:53,239 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-07-14 00:24:53,240 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:24:53,286 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:24:53,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:24:53,315 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:24:53,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:24:53,337 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:24:53,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:24:53,363 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:24:53,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:24:53,392 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:24:53,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:24:53,392 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:24:53,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:24:53,418 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:24:53,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:24:53,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:53,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:24:53,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:53,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:24:53,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:53,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:24:53,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:53,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:24:53,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:24:53,516 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:24:53,516 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103752780] [2021-07-14 00:24:53,516 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103752780] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:24:53,516 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:24:53,516 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2021-07-14 00:24:53,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760667920] [2021-07-14 00:24:53,516 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 00:24:53,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:24:53,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 00:24:53,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=974, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 00:24:53,517 INFO L87 Difference]: Start difference. First operand 583 states and 739 transitions. Second operand has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:54,686 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-07-14 00:24:54,882 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2021-07-14 00:24:55,167 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2021-07-14 00:24:56,062 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-07-14 00:24:56,252 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2021-07-14 00:24:56,458 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 78 [2021-07-14 00:24:56,626 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2021-07-14 00:24:56,962 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-14 00:24:57,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:24:57,722 INFO L93 Difference]: Finished difference Result 784 states and 1003 transitions. [2021-07-14 00:24:57,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 00:24:57,723 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:24:57,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:24:57,724 INFO L225 Difference]: With dead ends: 784 [2021-07-14 00:24:57,724 INFO L226 Difference]: Without dead ends: 660 [2021-07-14 00:24:57,724 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 793 ImplicationChecksByTransitivity, 4151.1ms TimeCoverageRelationStatistics Valid=704, Invalid=3586, Unknown=0, NotChecked=0, Total=4290 [2021-07-14 00:24:57,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2021-07-14 00:24:57,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 595. [2021-07-14 00:24:57,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 594 states have (on average 1.2643097643097643) internal successors, (751), 594 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:57,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 751 transitions. [2021-07-14 00:24:57,729 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 751 transitions. Word has length 120 [2021-07-14 00:24:57,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:24:57,729 INFO L482 AbstractCegarLoop]: Abstraction has 595 states and 751 transitions. [2021-07-14 00:24:57,729 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:57,729 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 751 transitions. [2021-07-14 00:24:57,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:24:57,733 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:24:57,733 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:24:57,733 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-07-14 00:24:57,733 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:24:57,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:24:57,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1786717039, now seen corresponding path program 23 times [2021-07-14 00:24:57,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:24:57,734 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105947659] [2021-07-14 00:24:57,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:24:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:24:57,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:57,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:24:57,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:57,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:24:57,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:57,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:24:57,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:57,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:24:57,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:57,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:24:57,869 INFO L142 QuantifierPusher]: treesize reduction 25, result has 51.9 percent of original size [2021-07-14 00:24:57,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:24:57,882 INFO L142 QuantifierPusher]: treesize reduction 25, result has 61.5 percent of original size [2021-07-14 00:24:57,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:24:57,902 INFO L142 QuantifierPusher]: treesize reduction 21, result has 72.0 percent of original size [2021-07-14 00:24:57,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-07-14 00:24:57,942 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-14 00:24:57,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:24:57,960 INFO L142 QuantifierPusher]: treesize reduction 12, result has 77.8 percent of original size [2021-07-14 00:24:57,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:24:57,978 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-14 00:24:57,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:24:57,997 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-14 00:24:57,997 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-14 00:24:58,032 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-14 00:24:58,033 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-14 00:24:58,068 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-14 00:24:58,068 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-14 00:24:58,105 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-14 00:24:58,105 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-14 00:24:58,143 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.8 percent of original size [2021-07-14 00:24:58,144 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.4 percent of original size 47 [2021-07-14 00:24:58,186 INFO L142 QuantifierPusher]: treesize reduction 14, result has 79.7 percent of original size [2021-07-14 00:24:58,186 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.9 percent of original size 50 [2021-07-14 00:24:58,203 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-14 00:24:58,204 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:24:58,238 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.8 percent of original size [2021-07-14 00:24:58,238 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.5 percent of original size 32 [2021-07-14 00:24:58,272 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.8 percent of original size [2021-07-14 00:24:58,272 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.5 percent of original size 32 [2021-07-14 00:24:58,307 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:24:58,307 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-14 00:24:58,343 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:24:58,344 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-14 00:24:58,382 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:24:58,383 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-14 00:24:58,424 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:24:58,425 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-14 00:24:58,471 INFO L142 QuantifierPusher]: treesize reduction 46, result has 41.0 percent of original size [2021-07-14 00:24:58,471 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size 27 [2021-07-14 00:24:58,511 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-07-14 00:24:58,512 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:24:58,556 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-07-14 00:24:58,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:24:58,604 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-07-14 00:24:58,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:24:58,628 INFO L142 QuantifierPusher]: treesize reduction 16, result has 56.8 percent of original size [2021-07-14 00:24:58,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:24:58,659 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-07-14 00:24:58,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:24:58,692 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:24:58,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:24:58,731 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:24:58,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:24:58,731 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:24:58,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:24:58,761 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:24:58,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:24:58,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:58,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:24:58,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:58,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:24:58,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:58,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:24:58,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:24:58,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:24:58,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:24:58,863 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:24:58,864 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105947659] [2021-07-14 00:24:58,864 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105947659] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:24:58,864 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:24:58,864 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:24:58,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738649721] [2021-07-14 00:24:58,864 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:24:58,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:24:58,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:24:58,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1096, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:24:58,865 INFO L87 Difference]: Start difference. First operand 595 states and 751 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:24:59,864 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 62 [2021-07-14 00:25:00,013 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-07-14 00:25:00,202 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2021-07-14 00:25:00,478 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2021-07-14 00:25:00,937 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2021-07-14 00:25:01,163 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 80 [2021-07-14 00:25:01,547 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 84 [2021-07-14 00:25:01,853 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2021-07-14 00:25:02,110 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 88 [2021-07-14 00:25:02,402 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 92 [2021-07-14 00:25:02,577 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2021-07-14 00:25:02,798 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2021-07-14 00:25:02,981 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2021-07-14 00:25:04,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:25:04,069 INFO L93 Difference]: Finished difference Result 739 states and 941 transitions. [2021-07-14 00:25:04,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 00:25:04,070 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:25:04,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:25:04,071 INFO L225 Difference]: With dead ends: 739 [2021-07-14 00:25:04,071 INFO L226 Difference]: Without dead ends: 625 [2021-07-14 00:25:04,071 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 937 ImplicationChecksByTransitivity, 5207.7ms TimeCoverageRelationStatistics Valid=914, Invalid=4198, Unknown=0, NotChecked=0, Total=5112 [2021-07-14 00:25:04,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2021-07-14 00:25:04,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 600. [2021-07-14 00:25:04,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 599 states have (on average 1.2687813021702838) internal successors, (760), 599 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:04,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 760 transitions. [2021-07-14 00:25:04,076 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 760 transitions. Word has length 120 [2021-07-14 00:25:04,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:25:04,076 INFO L482 AbstractCegarLoop]: Abstraction has 600 states and 760 transitions. [2021-07-14 00:25:04,076 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:04,076 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 760 transitions. [2021-07-14 00:25:04,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:25:04,077 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:25:04,077 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:25:04,077 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-07-14 00:25:04,077 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:25:04,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:25:04,077 INFO L82 PathProgramCache]: Analyzing trace with hash 477093237, now seen corresponding path program 24 times [2021-07-14 00:25:04,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:25:04,078 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065628798] [2021-07-14 00:25:04,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:25:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:25:04,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:04,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:25:04,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:04,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:25:04,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:04,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:25:04,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:04,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:25:04,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:04,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:25:04,229 INFO L142 QuantifierPusher]: treesize reduction 20, result has 62.3 percent of original size [2021-07-14 00:25:04,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:25:04,250 INFO L142 QuantifierPusher]: treesize reduction 20, result has 69.7 percent of original size [2021-07-14 00:25:04,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-14 00:25:04,282 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.0 percent of original size [2021-07-14 00:25:04,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-14 00:25:04,340 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-14 00:25:04,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-14 00:25:04,387 INFO L142 QuantifierPusher]: treesize reduction 26, result has 69.0 percent of original size [2021-07-14 00:25:04,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-14 00:25:04,443 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-14 00:25:04,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-14 00:25:04,515 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-14 00:25:04,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-14 00:25:04,594 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.3 percent of original size [2021-07-14 00:25:04,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:25:04,644 INFO L142 QuantifierPusher]: treesize reduction 20, result has 60.8 percent of original size [2021-07-14 00:25:04,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:25:04,666 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-07-14 00:25:04,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:25:04,688 INFO L142 QuantifierPusher]: treesize reduction 20, result has 57.4 percent of original size [2021-07-14 00:25:04,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:25:04,710 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:25:04,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:25:04,744 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:25:04,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:25:04,777 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:25:04,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:25:04,814 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:25:04,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:25:04,850 INFO L142 QuantifierPusher]: treesize reduction 24, result has 62.5 percent of original size [2021-07-14 00:25:04,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:25:04,880 INFO L142 QuantifierPusher]: treesize reduction 24, result has 64.2 percent of original size [2021-07-14 00:25:04,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:25:04,903 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-14 00:25:04,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:25:04,928 INFO L142 QuantifierPusher]: treesize reduction 29, result has 46.3 percent of original size [2021-07-14 00:25:04,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:25:04,953 INFO L142 QuantifierPusher]: treesize reduction 29, result has 46.3 percent of original size [2021-07-14 00:25:04,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:25:04,980 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-14 00:25:04,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:25:05,009 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-14 00:25:05,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:25:05,039 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-14 00:25:05,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:25:05,069 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-14 00:25:05,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:25:05,101 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-14 00:25:05,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:25:05,135 INFO L142 QuantifierPusher]: treesize reduction 47, result has 44.0 percent of original size [2021-07-14 00:25:05,135 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size 31 [2021-07-14 00:25:05,180 INFO L142 QuantifierPusher]: treesize reduction 19, result has 56.8 percent of original size [2021-07-14 00:25:05,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:25:05,213 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-14 00:25:05,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:25:05,240 INFO L142 QuantifierPusher]: treesize reduction 29, result has 32.6 percent of original size [2021-07-14 00:25:05,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:25:05,269 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 00:25:05,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:25:05,303 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 00:25:05,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:25:05,304 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-14 00:25:05,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:25:05,333 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-14 00:25:05,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:25:05,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:05,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:25:05,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:05,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:25:05,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:05,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:25:05,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:05,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:25:05,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:25:05,447 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:25:05,448 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065628798] [2021-07-14 00:25:05,448 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065628798] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:25:05,448 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:25:05,448 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-07-14 00:25:05,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943213693] [2021-07-14 00:25:05,448 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 00:25:05,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:25:05,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 00:25:05,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1366, Unknown=0, NotChecked=0, Total=1482 [2021-07-14 00:25:05,449 INFO L87 Difference]: Start difference. First operand 600 states and 760 transitions. Second operand has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:06,998 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 64 [2021-07-14 00:25:07,165 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2021-07-14 00:25:07,344 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2021-07-14 00:25:07,521 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2021-07-14 00:25:07,799 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-14 00:25:08,253 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-14 00:25:08,479 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-14 00:25:08,847 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 82 [2021-07-14 00:25:09,154 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2021-07-14 00:25:09,404 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 86 [2021-07-14 00:25:09,582 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-14 00:25:09,747 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-14 00:25:09,949 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 76 [2021-07-14 00:25:10,087 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2021-07-14 00:25:10,313 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2021-07-14 00:25:11,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:25:11,252 INFO L93 Difference]: Finished difference Result 733 states and 933 transitions. [2021-07-14 00:25:11,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 00:25:11,252 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:25:11,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:25:11,253 INFO L225 Difference]: With dead ends: 733 [2021-07-14 00:25:11,253 INFO L226 Difference]: Without dead ends: 624 [2021-07-14 00:25:11,254 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1311 ImplicationChecksByTransitivity, 5852.2ms TimeCoverageRelationStatistics Valid=1039, Invalid=5441, Unknown=0, NotChecked=0, Total=6480 [2021-07-14 00:25:11,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2021-07-14 00:25:11,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 599. [2021-07-14 00:25:11,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 598 states have (on average 1.2675585284280937) internal successors, (758), 598 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:11,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 758 transitions. [2021-07-14 00:25:11,260 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 758 transitions. Word has length 120 [2021-07-14 00:25:11,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:25:11,260 INFO L482 AbstractCegarLoop]: Abstraction has 599 states and 758 transitions. [2021-07-14 00:25:11,260 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:11,260 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 758 transitions. [2021-07-14 00:25:11,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:25:11,261 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:25:11,261 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:25:11,261 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-07-14 00:25:11,261 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:25:11,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:25:11,262 INFO L82 PathProgramCache]: Analyzing trace with hash 917724621, now seen corresponding path program 25 times [2021-07-14 00:25:11,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:25:11,262 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315631740] [2021-07-14 00:25:11,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:25:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:25:11,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:11,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:25:11,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:11,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:25:11,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:11,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:25:11,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:11,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:25:11,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:11,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:25:11,453 INFO L142 QuantifierPusher]: treesize reduction 20, result has 62.3 percent of original size [2021-07-14 00:25:11,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:25:11,479 INFO L142 QuantifierPusher]: treesize reduction 20, result has 69.7 percent of original size [2021-07-14 00:25:11,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-14 00:25:11,524 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.0 percent of original size [2021-07-14 00:25:11,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-14 00:25:11,585 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-14 00:25:11,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-14 00:25:11,643 INFO L142 QuantifierPusher]: treesize reduction 26, result has 69.0 percent of original size [2021-07-14 00:25:11,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-14 00:25:11,688 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-14 00:25:11,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-14 00:25:11,766 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-14 00:25:11,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-14 00:25:11,836 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.3 percent of original size [2021-07-14 00:25:11,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:25:11,882 INFO L142 QuantifierPusher]: treesize reduction 20, result has 60.8 percent of original size [2021-07-14 00:25:11,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:25:11,903 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-07-14 00:25:11,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:25:11,926 INFO L142 QuantifierPusher]: treesize reduction 20, result has 57.4 percent of original size [2021-07-14 00:25:11,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:25:11,948 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:25:11,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:25:11,981 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:25:11,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:25:12,015 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:25:12,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:25:12,049 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-14 00:25:12,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:25:12,087 INFO L142 QuantifierPusher]: treesize reduction 24, result has 62.5 percent of original size [2021-07-14 00:25:12,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:25:12,118 INFO L142 QuantifierPusher]: treesize reduction 24, result has 64.2 percent of original size [2021-07-14 00:25:12,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:25:12,140 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-14 00:25:12,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:25:12,166 INFO L142 QuantifierPusher]: treesize reduction 29, result has 46.3 percent of original size [2021-07-14 00:25:12,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:25:12,192 INFO L142 QuantifierPusher]: treesize reduction 29, result has 46.3 percent of original size [2021-07-14 00:25:12,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:25:12,220 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-14 00:25:12,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:25:12,247 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-14 00:25:12,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:25:12,275 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-14 00:25:12,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:25:12,305 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-14 00:25:12,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:25:12,338 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-14 00:25:12,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:25:12,375 INFO L142 QuantifierPusher]: treesize reduction 47, result has 44.0 percent of original size [2021-07-14 00:25:12,375 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size 31 [2021-07-14 00:25:12,424 INFO L142 QuantifierPusher]: treesize reduction 19, result has 56.8 percent of original size [2021-07-14 00:25:12,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:25:12,460 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-14 00:25:12,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:25:12,488 INFO L142 QuantifierPusher]: treesize reduction 29, result has 32.6 percent of original size [2021-07-14 00:25:12,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:25:12,520 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 00:25:12,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:25:12,552 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 00:25:12,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-14 00:25:12,553 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-14 00:25:12,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:25:12,584 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-14 00:25:12,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:25:12,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:12,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:25:12,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:12,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:25:12,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:12,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:25:12,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:12,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:25:12,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:25:12,698 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:25:12,698 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315631740] [2021-07-14 00:25:12,698 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315631740] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:25:12,699 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:25:12,699 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-07-14 00:25:12,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503323476] [2021-07-14 00:25:12,699 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 00:25:12,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:25:12,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 00:25:12,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1366, Unknown=0, NotChecked=0, Total=1482 [2021-07-14 00:25:12,700 INFO L87 Difference]: Start difference. First operand 599 states and 758 transitions. Second operand has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:14,271 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 64 [2021-07-14 00:25:14,427 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2021-07-14 00:25:14,587 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2021-07-14 00:25:14,753 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2021-07-14 00:25:15,031 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-14 00:25:15,512 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-14 00:25:15,736 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-14 00:25:16,124 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 82 [2021-07-14 00:25:16,433 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2021-07-14 00:25:16,573 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2021-07-14 00:25:16,758 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-14 00:25:16,961 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 76 [2021-07-14 00:25:17,100 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-07-14 00:25:17,314 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2021-07-14 00:25:18,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:25:18,138 INFO L93 Difference]: Finished difference Result 734 states and 933 transitions. [2021-07-14 00:25:18,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 00:25:18,138 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:25:18,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:25:18,139 INFO L225 Difference]: With dead ends: 734 [2021-07-14 00:25:18,139 INFO L226 Difference]: Without dead ends: 622 [2021-07-14 00:25:18,139 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1280 ImplicationChecksByTransitivity, 5535.5ms TimeCoverageRelationStatistics Valid=997, Invalid=5323, Unknown=0, NotChecked=0, Total=6320 [2021-07-14 00:25:18,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2021-07-14 00:25:18,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 597. [2021-07-14 00:25:18,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 596 states have (on average 1.2651006711409396) internal successors, (754), 596 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:18,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 754 transitions. [2021-07-14 00:25:18,144 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 754 transitions. Word has length 120 [2021-07-14 00:25:18,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:25:18,144 INFO L482 AbstractCegarLoop]: Abstraction has 597 states and 754 transitions. [2021-07-14 00:25:18,144 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:18,145 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 754 transitions. [2021-07-14 00:25:18,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:25:18,145 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:25:18,145 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:25:18,146 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-07-14 00:25:18,146 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:25:18,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:25:18,146 INFO L82 PathProgramCache]: Analyzing trace with hash 659620139, now seen corresponding path program 26 times [2021-07-14 00:25:18,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:25:18,146 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033497345] [2021-07-14 00:25:18,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:25:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:25:18,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:18,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:25:18,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:18,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:25:18,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:18,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:25:18,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:18,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:25:18,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:18,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:25:18,295 INFO L142 QuantifierPusher]: treesize reduction 24, result has 53.8 percent of original size [2021-07-14 00:25:18,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:25:18,317 INFO L142 QuantifierPusher]: treesize reduction 24, result has 63.1 percent of original size [2021-07-14 00:25:18,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:25:18,355 INFO L142 QuantifierPusher]: treesize reduction 24, result has 67.6 percent of original size [2021-07-14 00:25:18,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-14 00:25:18,405 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.8 percent of original size [2021-07-14 00:25:18,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:25:18,433 INFO L142 QuantifierPusher]: treesize reduction 19, result has 71.6 percent of original size [2021-07-14 00:25:18,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-14 00:25:18,489 INFO L142 QuantifierPusher]: treesize reduction 19, result has 71.6 percent of original size [2021-07-14 00:25:18,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-14 00:25:18,538 INFO L142 QuantifierPusher]: treesize reduction 15, result has 69.4 percent of original size [2021-07-14 00:25:18,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:25:18,559 INFO L142 QuantifierPusher]: treesize reduction 15, result has 71.7 percent of original size [2021-07-14 00:25:18,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:25:18,583 INFO L142 QuantifierPusher]: treesize reduction 15, result has 66.7 percent of original size [2021-07-14 00:25:18,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:25:18,604 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-14 00:25:18,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:25:18,637 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-14 00:25:18,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:25:18,683 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-14 00:25:18,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:25:18,720 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-14 00:25:18,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:25:18,757 INFO L142 QuantifierPusher]: treesize reduction 19, result has 69.4 percent of original size [2021-07-14 00:25:18,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:25:18,787 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.8 percent of original size [2021-07-14 00:25:18,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-14 00:25:18,807 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.2 percent of original size [2021-07-14 00:25:18,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:25:18,832 INFO L142 QuantifierPusher]: treesize reduction 24, result has 53.8 percent of original size [2021-07-14 00:25:18,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:25:18,859 INFO L142 QuantifierPusher]: treesize reduction 24, result has 53.8 percent of original size [2021-07-14 00:25:18,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:25:18,891 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-14 00:25:18,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:25:18,920 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-14 00:25:18,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:25:18,952 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:25:18,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:25:18,985 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:25:18,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:25:19,018 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:25:19,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:25:19,052 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.8 percent of original size [2021-07-14 00:25:19,053 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-07-14 00:25:19,099 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:25:19,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:25:19,134 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:25:19,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:25:19,160 INFO L142 QuantifierPusher]: treesize reduction 24, result has 41.5 percent of original size [2021-07-14 00:25:19,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:25:19,190 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:25:19,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:25:19,221 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:25:19,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:25:19,222 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-14 00:25:19,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:25:19,251 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:25:19,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:25:19,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:19,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:25:19,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:19,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:25:19,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:19,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:25:19,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:19,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:25:19,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:25:19,363 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:25:19,363 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033497345] [2021-07-14 00:25:19,364 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033497345] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:25:19,364 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:25:19,364 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-07-14 00:25:19,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901787848] [2021-07-14 00:25:19,364 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 00:25:19,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:25:19,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 00:25:19,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1232, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 00:25:19,365 INFO L87 Difference]: Start difference. First operand 597 states and 754 transitions. Second operand has 37 states, 37 states have (on average 3.2432432432432434) internal successors, (120), 37 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:20,792 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-07-14 00:25:20,957 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 70 [2021-07-14 00:25:21,158 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 72 [2021-07-14 00:25:21,455 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2021-07-14 00:25:21,958 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 79 [2021-07-14 00:25:22,196 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 83 [2021-07-14 00:25:22,494 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2021-07-14 00:25:22,640 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2021-07-14 00:25:22,804 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2021-07-14 00:25:23,008 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2021-07-14 00:25:23,215 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 81 [2021-07-14 00:25:23,375 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2021-07-14 00:25:23,591 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2021-07-14 00:25:24,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:25:24,469 INFO L93 Difference]: Finished difference Result 733 states and 930 transitions. [2021-07-14 00:25:24,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 00:25:24,469 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.2432432432432434) internal successors, (120), 37 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:25:24,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:25:24,471 INFO L225 Difference]: With dead ends: 733 [2021-07-14 00:25:24,471 INFO L226 Difference]: Without dead ends: 621 [2021-07-14 00:25:24,471 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1144 ImplicationChecksByTransitivity, 5240.4ms TimeCoverageRelationStatistics Valid=971, Invalid=4881, Unknown=0, NotChecked=0, Total=5852 [2021-07-14 00:25:24,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2021-07-14 00:25:24,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 596. [2021-07-14 00:25:24,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 595 states have (on average 1.2638655462184873) internal successors, (752), 595 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:24,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 752 transitions. [2021-07-14 00:25:24,476 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 752 transitions. Word has length 120 [2021-07-14 00:25:24,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:25:24,476 INFO L482 AbstractCegarLoop]: Abstraction has 596 states and 752 transitions. [2021-07-14 00:25:24,476 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 3.2432432432432434) internal successors, (120), 37 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:24,476 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 752 transitions. [2021-07-14 00:25:24,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:25:24,477 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:25:24,477 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:25:24,477 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-07-14 00:25:24,477 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:25:24,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:25:24,478 INFO L82 PathProgramCache]: Analyzing trace with hash 370814649, now seen corresponding path program 27 times [2021-07-14 00:25:24,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:25:24,478 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471124128] [2021-07-14 00:25:24,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:25:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:25:24,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:24,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:25:24,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:24,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:25:24,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:24,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:25:24,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:24,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:25:24,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:24,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:25:24,632 INFO L142 QuantifierPusher]: treesize reduction 25, result has 47.9 percent of original size [2021-07-14 00:25:24,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:25:24,644 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.0 percent of original size [2021-07-14 00:25:24,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:25:24,672 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.4 percent of original size [2021-07-14 00:25:24,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-14 00:25:24,714 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-14 00:25:24,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:25:24,732 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-14 00:25:24,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:25:24,752 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-14 00:25:24,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:25:24,770 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:25:24,771 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:25:24,804 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:25:24,805 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:25:24,838 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:25:24,838 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:25:24,873 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-14 00:25:24,874 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-14 00:25:24,911 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-07-14 00:25:24,912 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.6 percent of original size 43 [2021-07-14 00:25:24,953 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.5 percent of original size [2021-07-14 00:25:24,953 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size 46 [2021-07-14 00:25:24,972 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-14 00:25:24,972 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:25:24,990 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.8 percent of original size [2021-07-14 00:25:24,990 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.5 percent of original size 32 [2021-07-14 00:25:25,026 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.8 percent of original size [2021-07-14 00:25:25,027 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.5 percent of original size 32 [2021-07-14 00:25:25,064 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:25:25,064 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-14 00:25:25,103 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:25:25,103 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:25:25,145 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:25:25,146 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:25:25,193 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:25:25,193 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:25:25,239 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:25:25,240 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-14 00:25:25,286 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-07-14 00:25:25,286 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-14 00:25:25,335 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:25:25,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:25:25,378 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:25:25,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:25:25,401 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:25:25,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:25:25,430 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:25:25,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:25:25,461 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:25:25,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:25:25,461 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:25:25,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:25:25,489 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:25:25,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:25:25,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:25,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:25:25,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:25,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:25:25,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:25,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:25:25,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:25,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:25:25,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:25:25,591 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:25:25,591 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471124128] [2021-07-14 00:25:25,591 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471124128] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:25:25,591 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:25:25,591 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2021-07-14 00:25:25,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136911984] [2021-07-14 00:25:25,591 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 00:25:25,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:25:25,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 00:25:25,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=974, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 00:25:25,592 INFO L87 Difference]: Start difference. First operand 596 states and 752 transitions. Second operand has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:26,770 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-07-14 00:25:26,969 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2021-07-14 00:25:27,254 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2021-07-14 00:25:27,740 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2021-07-14 00:25:28,156 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2021-07-14 00:25:28,318 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-07-14 00:25:28,511 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2021-07-14 00:25:28,712 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 78 [2021-07-14 00:25:28,899 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2021-07-14 00:25:29,136 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-14 00:25:29,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:25:29,920 INFO L93 Difference]: Finished difference Result 733 states and 929 transitions. [2021-07-14 00:25:29,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 00:25:29,921 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:25:29,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:25:29,921 INFO L225 Difference]: With dead ends: 733 [2021-07-14 00:25:29,922 INFO L226 Difference]: Without dead ends: 608 [2021-07-14 00:25:29,922 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 773 ImplicationChecksByTransitivity, 4313.7ms TimeCoverageRelationStatistics Valid=717, Invalid=3573, Unknown=0, NotChecked=0, Total=4290 [2021-07-14 00:25:29,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2021-07-14 00:25:29,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 583. [2021-07-14 00:25:29,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 582 states have (on average 1.268041237113402) internal successors, (738), 582 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:29,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 738 transitions. [2021-07-14 00:25:29,931 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 738 transitions. Word has length 120 [2021-07-14 00:25:29,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:25:29,931 INFO L482 AbstractCegarLoop]: Abstraction has 583 states and 738 transitions. [2021-07-14 00:25:29,931 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:29,931 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 738 transitions. [2021-07-14 00:25:29,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:25:29,932 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:25:29,932 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:25:29,932 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-07-14 00:25:29,932 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:25:29,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:25:29,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1610543229, now seen corresponding path program 28 times [2021-07-14 00:25:29,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:25:29,933 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173350461] [2021-07-14 00:25:29,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:25:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:25:30,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:30,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:25:30,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:30,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:25:30,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:30,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:25:30,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:30,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-14 00:25:30,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:30,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:25:30,090 INFO L142 QuantifierPusher]: treesize reduction 42, result has 47.5 percent of original size [2021-07-14 00:25:30,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:25:30,118 INFO L142 QuantifierPusher]: treesize reduction 45, result has 57.5 percent of original size [2021-07-14 00:25:30,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-07-14 00:25:30,163 INFO L142 QuantifierPusher]: treesize reduction 42, result has 66.9 percent of original size [2021-07-14 00:25:30,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-07-14 00:25:30,217 INFO L142 QuantifierPusher]: treesize reduction 12, result has 83.3 percent of original size [2021-07-14 00:25:30,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-14 00:25:30,244 INFO L142 QuantifierPusher]: treesize reduction 12, result has 83.6 percent of original size [2021-07-14 00:25:30,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-07-14 00:25:30,278 INFO L142 QuantifierPusher]: treesize reduction 12, result has 80.6 percent of original size [2021-07-14 00:25:30,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-14 00:25:30,312 INFO L142 QuantifierPusher]: treesize reduction 20, result has 77.3 percent of original size [2021-07-14 00:25:30,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-07-14 00:25:30,354 INFO L142 QuantifierPusher]: treesize reduction 20, result has 77.3 percent of original size [2021-07-14 00:25:30,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-07-14 00:25:30,396 INFO L142 QuantifierPusher]: treesize reduction 20, result has 77.3 percent of original size [2021-07-14 00:25:30,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-07-14 00:25:30,439 INFO L142 QuantifierPusher]: treesize reduction 20, result has 77.3 percent of original size [2021-07-14 00:25:30,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-07-14 00:25:30,485 INFO L142 QuantifierPusher]: treesize reduction 16, result has 83.5 percent of original size [2021-07-14 00:25:30,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-14 00:25:30,534 INFO L142 QuantifierPusher]: treesize reduction 16, result has 84.5 percent of original size [2021-07-14 00:25:30,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-07-14 00:25:30,554 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.6 percent of original size [2021-07-14 00:25:30,554 INFO L147 QuantifierPusher]: treesize reduction 5, result has 87.2 percent of original size 34 [2021-07-14 00:25:30,598 INFO L142 QuantifierPusher]: treesize reduction 37, result has 47.1 percent of original size [2021-07-14 00:25:30,598 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.8 percent of original size 28 [2021-07-14 00:25:30,630 INFO L142 QuantifierPusher]: treesize reduction 16, result has 82.0 percent of original size [2021-07-14 00:25:30,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-07-14 00:25:30,673 INFO L142 QuantifierPusher]: treesize reduction 16, result has 82.0 percent of original size [2021-07-14 00:25:30,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-07-14 00:25:30,722 INFO L142 QuantifierPusher]: treesize reduction 16, result has 81.8 percent of original size [2021-07-14 00:25:30,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-07-14 00:25:30,773 INFO L142 QuantifierPusher]: treesize reduction 16, result has 81.8 percent of original size [2021-07-14 00:25:30,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-07-14 00:25:30,835 INFO L142 QuantifierPusher]: treesize reduction 16, result has 81.8 percent of original size [2021-07-14 00:25:30,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-07-14 00:25:30,888 INFO L142 QuantifierPusher]: treesize reduction 16, result has 81.8 percent of original size [2021-07-14 00:25:30,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-07-14 00:25:30,941 INFO L142 QuantifierPusher]: treesize reduction 60, result has 56.8 percent of original size [2021-07-14 00:25:30,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-07-14 00:25:31,002 INFO L142 QuantifierPusher]: treesize reduction 16, result has 79.5 percent of original size [2021-07-14 00:25:31,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-07-14 00:25:31,049 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.6 percent of original size [2021-07-14 00:25:31,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-07-14 00:25:31,077 INFO L142 QuantifierPusher]: treesize reduction 37, result has 51.3 percent of original size [2021-07-14 00:25:31,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:25:31,124 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:25:31,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:25:31,154 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:25:31,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:25:31,155 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:25:31,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:25:31,183 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:25:31,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:25:31,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:31,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:25:31,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:31,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:25:31,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:31,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:25:31,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:31,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:25:31,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:25:31,282 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:25:31,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173350461] [2021-07-14 00:25:31,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173350461] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:25:31,282 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:25:31,282 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-07-14 00:25:31,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066000754] [2021-07-14 00:25:31,283 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 00:25:31,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:25:31,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 00:25:31,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1035, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 00:25:31,283 INFO L87 Difference]: Start difference. First operand 583 states and 738 transitions. Second operand has 34 states, 34 states have (on average 3.5294117647058822) internal successors, (120), 34 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:32,403 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 62 [2021-07-14 00:25:32,588 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 64 [2021-07-14 00:25:33,350 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 60 [2021-07-14 00:25:33,524 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 64 [2021-07-14 00:25:33,710 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 68 [2021-07-14 00:25:33,920 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 72 [2021-07-14 00:25:34,106 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 70 [2021-07-14 00:25:34,454 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 72 [2021-07-14 00:25:35,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:25:35,271 INFO L93 Difference]: Finished difference Result 733 states and 935 transitions. [2021-07-14 00:25:35,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 00:25:35,271 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 3.5294117647058822) internal successors, (120), 34 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:25:35,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:25:35,272 INFO L225 Difference]: With dead ends: 733 [2021-07-14 00:25:35,272 INFO L226 Difference]: Without dead ends: 549 [2021-07-14 00:25:35,273 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 838 ImplicationChecksByTransitivity, 4086.7ms TimeCoverageRelationStatistics Valid=690, Invalid=3600, Unknown=0, NotChecked=0, Total=4290 [2021-07-14 00:25:35,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2021-07-14 00:25:35,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 549. [2021-07-14 00:25:35,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 548 states have (on average 1.2773722627737227) internal successors, (700), 548 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:35,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 700 transitions. [2021-07-14 00:25:35,277 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 700 transitions. Word has length 120 [2021-07-14 00:25:35,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:25:35,277 INFO L482 AbstractCegarLoop]: Abstraction has 549 states and 700 transitions. [2021-07-14 00:25:35,277 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 3.5294117647058822) internal successors, (120), 34 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:35,277 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 700 transitions. [2021-07-14 00:25:35,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:25:35,278 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:25:35,278 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:25:35,278 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-07-14 00:25:35,278 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:25:35,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:25:35,279 INFO L82 PathProgramCache]: Analyzing trace with hash 2135710397, now seen corresponding path program 29 times [2021-07-14 00:25:35,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:25:35,279 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725384088] [2021-07-14 00:25:35,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:25:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:25:35,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:35,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:25:35,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:35,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:25:35,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:35,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:25:35,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:35,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:25:35,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:35,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:25:35,437 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-07-14 00:25:35,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-14 00:25:35,459 INFO L142 QuantifierPusher]: treesize reduction 20, result has 67.7 percent of original size [2021-07-14 00:25:35,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:25:35,497 INFO L142 QuantifierPusher]: treesize reduction 20, result has 71.8 percent of original size [2021-07-14 00:25:35,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:25:35,544 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.9 percent of original size [2021-07-14 00:25:35,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:25:35,575 INFO L142 QuantifierPusher]: treesize reduction 12, result has 78.6 percent of original size [2021-07-14 00:25:35,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:25:35,606 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-07-14 00:25:35,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:25:35,636 INFO L142 QuantifierPusher]: treesize reduction 16, result has 75.0 percent of original size [2021-07-14 00:25:35,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-14 00:25:35,686 INFO L142 QuantifierPusher]: treesize reduction 16, result has 76.5 percent of original size [2021-07-14 00:25:35,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-14 00:25:35,727 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-14 00:25:35,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:25:35,767 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-14 00:25:35,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:25:35,806 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-14 00:25:35,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:25:35,849 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-14 00:25:35,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:25:35,891 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-14 00:25:35,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:25:35,936 INFO L142 QuantifierPusher]: treesize reduction 41, result has 61.0 percent of original size [2021-07-14 00:25:35,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-14 00:25:36,004 INFO L142 QuantifierPusher]: treesize reduction 41, result has 59.0 percent of original size [2021-07-14 00:25:36,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-14 00:25:36,032 INFO L142 QuantifierPusher]: treesize reduction 46, result has 53.5 percent of original size [2021-07-14 00:25:36,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-14 00:25:36,088 INFO L142 QuantifierPusher]: treesize reduction 41, result has 59.0 percent of original size [2021-07-14 00:25:36,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-14 00:25:36,144 INFO L142 QuantifierPusher]: treesize reduction 41, result has 58.6 percent of original size [2021-07-14 00:25:36,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-14 00:25:36,200 INFO L142 QuantifierPusher]: treesize reduction 41, result has 58.6 percent of original size [2021-07-14 00:25:36,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-14 00:25:36,260 INFO L142 QuantifierPusher]: treesize reduction 41, result has 58.6 percent of original size [2021-07-14 00:25:36,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-14 00:25:36,321 INFO L142 QuantifierPusher]: treesize reduction 41, result has 58.6 percent of original size [2021-07-14 00:25:36,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-14 00:25:36,384 INFO L142 QuantifierPusher]: treesize reduction 58, result has 58.0 percent of original size [2021-07-14 00:25:36,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-07-14 00:25:36,461 INFO L142 QuantifierPusher]: treesize reduction 31, result has 58.1 percent of original size [2021-07-14 00:25:36,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:25:36,510 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-14 00:25:36,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:25:36,541 INFO L142 QuantifierPusher]: treesize reduction 41, result has 43.8 percent of original size [2021-07-14 00:25:36,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:25:36,585 INFO L142 QuantifierPusher]: treesize reduction 29, result has 56.7 percent of original size [2021-07-14 00:25:36,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:25:36,634 INFO L142 QuantifierPusher]: treesize reduction 29, result has 56.7 percent of original size [2021-07-14 00:25:36,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:25:36,635 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-14 00:25:36,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:25:36,668 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:25:36,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:25:36,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:36,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:25:36,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:36,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:25:36,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:36,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:25:36,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:36,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:25:36,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:25:36,789 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:25:36,790 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725384088] [2021-07-14 00:25:36,790 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725384088] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:25:36,790 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:25:36,790 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:25:36,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136867832] [2021-07-14 00:25:36,790 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:25:36,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:25:36,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:25:36,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:25:36,791 INFO L87 Difference]: Start difference. First operand 549 states and 700 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:37,789 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 60 [2021-07-14 00:25:37,962 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 65 [2021-07-14 00:25:38,164 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 69 [2021-07-14 00:25:38,374 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 75 [2021-07-14 00:25:38,619 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-07-14 00:25:39,324 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2021-07-14 00:25:39,506 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2021-07-14 00:25:39,727 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2021-07-14 00:25:39,970 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 82 [2021-07-14 00:25:40,187 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 80 [2021-07-14 00:25:40,610 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 82 [2021-07-14 00:25:41,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:25:41,502 INFO L93 Difference]: Finished difference Result 661 states and 850 transitions. [2021-07-14 00:25:41,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 00:25:41,503 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:25:41,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:25:41,504 INFO L225 Difference]: With dead ends: 661 [2021-07-14 00:25:41,504 INFO L226 Difference]: Without dead ends: 537 [2021-07-14 00:25:41,504 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 635 ImplicationChecksByTransitivity, 4946.0ms TimeCoverageRelationStatistics Valid=667, Invalid=3623, Unknown=0, NotChecked=0, Total=4290 [2021-07-14 00:25:41,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2021-07-14 00:25:41,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2021-07-14 00:25:41,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 536 states have (on average 1.2611940298507462) internal successors, (676), 536 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:41,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 676 transitions. [2021-07-14 00:25:41,508 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 676 transitions. Word has length 120 [2021-07-14 00:25:41,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:25:41,508 INFO L482 AbstractCegarLoop]: Abstraction has 537 states and 676 transitions. [2021-07-14 00:25:41,508 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:41,509 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 676 transitions. [2021-07-14 00:25:41,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:25:41,509 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:25:41,509 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:25:41,509 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-07-14 00:25:41,510 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:25:41,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:25:41,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1197257123, now seen corresponding path program 30 times [2021-07-14 00:25:41,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:25:41,510 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107156513] [2021-07-14 00:25:41,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:25:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:25:41,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:41,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:25:41,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:41,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:25:41,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:41,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:25:41,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:41,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:25:41,656 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-07-14 00:25:41,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:25:41,677 INFO L142 QuantifierPusher]: treesize reduction 22, result has 62.1 percent of original size [2021-07-14 00:25:41,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:25:41,707 INFO L142 QuantifierPusher]: treesize reduction 25, result has 67.1 percent of original size [2021-07-14 00:25:41,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:25:41,754 INFO L142 QuantifierPusher]: treesize reduction 25, result has 70.6 percent of original size [2021-07-14 00:25:41,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-14 00:25:41,801 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-14 00:25:41,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:25:41,820 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-14 00:25:41,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:25:41,839 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-14 00:25:41,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:25:41,857 INFO L142 QuantifierPusher]: treesize reduction 19, result has 65.5 percent of original size [2021-07-14 00:25:41,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:25:41,878 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-14 00:25:41,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:25:41,899 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:25:41,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:25:41,920 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:25:41,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:25:41,942 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:25:41,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:25:41,964 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:25:41,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:25:41,987 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:25:41,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:25:42,010 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-14 00:25:42,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:25:42,038 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.2 percent of original size [2021-07-14 00:25:42,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:25:42,055 INFO L142 QuantifierPusher]: treesize reduction 24, result has 53.8 percent of original size [2021-07-14 00:25:42,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:25:42,081 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-14 00:25:42,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:25:42,108 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-14 00:25:42,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:25:42,136 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-14 00:25:42,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:25:42,165 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-14 00:25:42,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:25:42,197 INFO L142 QuantifierPusher]: treesize reduction 47, result has 38.2 percent of original size [2021-07-14 00:25:42,197 INFO L147 QuantifierPusher]: treesize reduction 6, result has 79.3 percent of original size 23 [2021-07-14 00:25:42,239 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.8 percent of original size [2021-07-14 00:25:42,239 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-07-14 00:25:42,284 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:25:42,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:25:42,317 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:25:42,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:25:42,343 INFO L142 QuantifierPusher]: treesize reduction 24, result has 41.5 percent of original size [2021-07-14 00:25:42,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:25:42,373 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:25:42,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:25:42,406 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:25:42,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:25:42,407 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-14 00:25:42,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:25:42,436 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:25:42,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:25:42,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:42,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:25:42,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:42,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:25:42,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:42,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:25:42,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:42,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:25:42,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:25:42,546 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:25:42,546 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107156513] [2021-07-14 00:25:42,546 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107156513] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:25:42,546 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:25:42,546 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:25:42,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853351691] [2021-07-14 00:25:42,547 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:25:42,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:25:42,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:25:42,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1102, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:25:42,547 INFO L87 Difference]: Start difference. First operand 537 states and 676 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:43,582 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 60 [2021-07-14 00:25:43,736 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 64 [2021-07-14 00:25:43,904 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2021-07-14 00:25:44,097 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-14 00:25:44,451 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-14 00:25:44,686 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-14 00:25:45,151 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 82 [2021-07-14 00:25:45,683 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 86 [2021-07-14 00:25:45,961 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 90 [2021-07-14 00:25:46,116 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2021-07-14 00:25:46,311 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2021-07-14 00:25:46,486 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2021-07-14 00:25:47,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:25:47,568 INFO L93 Difference]: Finished difference Result 663 states and 847 transitions. [2021-07-14 00:25:47,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 00:25:47,568 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:25:47,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:25:47,569 INFO L225 Difference]: With dead ends: 663 [2021-07-14 00:25:47,569 INFO L226 Difference]: Without dead ends: 549 [2021-07-14 00:25:47,570 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 770 ImplicationChecksByTransitivity, 4958.7ms TimeCoverageRelationStatistics Valid=885, Invalid=4085, Unknown=0, NotChecked=0, Total=4970 [2021-07-14 00:25:47,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2021-07-14 00:25:47,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 542. [2021-07-14 00:25:47,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 541 states have (on average 1.266173752310536) internal successors, (685), 541 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:47,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 685 transitions. [2021-07-14 00:25:47,574 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 685 transitions. Word has length 120 [2021-07-14 00:25:47,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:25:47,574 INFO L482 AbstractCegarLoop]: Abstraction has 542 states and 685 transitions. [2021-07-14 00:25:47,574 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:47,574 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 685 transitions. [2021-07-14 00:25:47,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:25:47,575 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:25:47,575 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:25:47,575 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-07-14 00:25:47,575 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:25:47,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:25:47,575 INFO L82 PathProgramCache]: Analyzing trace with hash -112366679, now seen corresponding path program 31 times [2021-07-14 00:25:47,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:25:47,576 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398894443] [2021-07-14 00:25:47,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:25:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:25:47,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:47,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:25:47,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:47,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:25:47,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:47,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:25:47,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:47,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:25:47,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:47,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:25:47,715 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-14 00:25:47,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:25:47,739 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-14 00:25:47,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:25:47,773 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-14 00:25:47,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:25:47,814 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-14 00:25:47,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:25:47,832 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-14 00:25:47,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:25:47,851 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:25:47,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:25:47,870 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-14 00:25:47,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:25:47,891 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-14 00:25:47,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:25:47,914 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:25:47,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:25:47,949 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:25:47,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:25:47,971 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:25:47,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:25:47,994 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:25:47,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:25:48,018 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:25:48,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:25:48,045 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:25:48,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:25:48,075 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.8 percent of original size [2021-07-14 00:25:48,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:25:48,095 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.9 percent of original size [2021-07-14 00:25:48,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:25:48,124 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:25:48,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:25:48,153 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:25:48,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:25:48,185 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:25:48,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:25:48,218 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:25:48,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:25:48,253 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:25:48,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:25:48,291 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-14 00:25:48,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:25:48,328 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:25:48,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:25:48,366 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:25:48,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:25:48,393 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-14 00:25:48,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:25:48,424 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:25:48,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:25:48,460 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:25:48,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:25:48,468 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-14 00:25:48,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:25:48,502 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:25:48,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:25:48,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:48,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:25:48,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:48,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:25:48,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:48,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:25:48,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:48,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:25:48,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:25:48,624 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:25:48,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398894443] [2021-07-14 00:25:48,625 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398894443] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:25:48,625 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:25:48,625 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:25:48,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824249551] [2021-07-14 00:25:48,625 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:25:48,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:25:48,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:25:48,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:25:48,626 INFO L87 Difference]: Start difference. First operand 542 states and 685 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:49,776 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2021-07-14 00:25:49,933 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-07-14 00:25:50,103 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-14 00:25:50,297 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2021-07-14 00:25:50,673 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-07-14 00:25:50,901 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2021-07-14 00:25:51,397 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-07-14 00:25:51,687 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2021-07-14 00:25:51,955 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 88 [2021-07-14 00:25:52,146 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-14 00:25:52,300 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2021-07-14 00:25:52,502 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-14 00:25:52,832 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2021-07-14 00:25:53,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:25:53,668 INFO L93 Difference]: Finished difference Result 657 states and 839 transitions. [2021-07-14 00:25:53,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 00:25:53,668 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:25:53,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:25:53,669 INFO L225 Difference]: With dead ends: 657 [2021-07-14 00:25:53,669 INFO L226 Difference]: Without dead ends: 548 [2021-07-14 00:25:53,669 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 702 ImplicationChecksByTransitivity, 4898.6ms TimeCoverageRelationStatistics Valid=832, Invalid=3998, Unknown=0, NotChecked=0, Total=4830 [2021-07-14 00:25:53,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2021-07-14 00:25:53,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 541. [2021-07-14 00:25:53,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 540 states have (on average 1.2648148148148148) internal successors, (683), 540 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:53,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 683 transitions. [2021-07-14 00:25:53,674 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 683 transitions. Word has length 120 [2021-07-14 00:25:53,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:25:53,674 INFO L482 AbstractCegarLoop]: Abstraction has 541 states and 683 transitions. [2021-07-14 00:25:53,674 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:53,674 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 683 transitions. [2021-07-14 00:25:53,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:25:53,675 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:25:53,675 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:25:53,675 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-07-14 00:25:53,675 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:25:53,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:25:53,675 INFO L82 PathProgramCache]: Analyzing trace with hash 328264705, now seen corresponding path program 32 times [2021-07-14 00:25:53,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:25:53,675 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081748907] [2021-07-14 00:25:53,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:25:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:25:53,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:53,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:25:53,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:53,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:25:53,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:53,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:25:53,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:53,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:25:53,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:53,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:25:53,827 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-14 00:25:53,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:25:53,849 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-14 00:25:53,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:25:53,897 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-14 00:25:53,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:25:53,939 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-14 00:25:53,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:25:53,956 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-14 00:25:53,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:25:53,974 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:25:53,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:25:53,993 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-14 00:25:53,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:25:54,014 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-14 00:25:54,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:25:54,035 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:25:54,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:25:54,056 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:25:54,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:25:54,076 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:25:54,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:25:54,098 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:25:54,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:25:54,121 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:25:54,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:25:54,145 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:25:54,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:25:54,173 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.8 percent of original size [2021-07-14 00:25:54,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:25:54,190 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.9 percent of original size [2021-07-14 00:25:54,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:25:54,217 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:25:54,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:25:54,244 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:25:54,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:25:54,273 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:25:54,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:25:54,303 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:25:54,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:25:54,335 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:25:54,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:25:54,369 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-14 00:25:54,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:25:54,404 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:25:54,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:25:54,438 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:25:54,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:25:54,464 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-14 00:25:54,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:25:54,494 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:25:54,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:25:54,526 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:25:54,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:25:54,527 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-14 00:25:54,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:25:54,563 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:25:54,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:25:54,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:54,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:25:54,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:54,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:25:54,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:54,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:25:54,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:54,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:25:54,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:25:54,670 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:25:54,671 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081748907] [2021-07-14 00:25:54,671 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081748907] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:25:54,671 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:25:54,671 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:25:54,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33459657] [2021-07-14 00:25:54,671 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:25:54,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:25:54,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:25:54,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:25:54,672 INFO L87 Difference]: Start difference. First operand 541 states and 683 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:55,713 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2021-07-14 00:25:55,865 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-07-14 00:25:56,030 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-14 00:25:56,224 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2021-07-14 00:25:56,583 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-07-14 00:25:56,806 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2021-07-14 00:25:57,260 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-07-14 00:25:57,555 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-14 00:25:57,692 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2021-07-14 00:25:57,869 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-14 00:25:58,058 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-14 00:25:58,198 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-07-14 00:25:58,404 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-14 00:25:59,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:25:59,236 INFO L93 Difference]: Finished difference Result 658 states and 839 transitions. [2021-07-14 00:25:59,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 00:25:59,236 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:25:59,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:25:59,237 INFO L225 Difference]: With dead ends: 658 [2021-07-14 00:25:59,237 INFO L226 Difference]: Without dead ends: 546 [2021-07-14 00:25:59,238 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 685 ImplicationChecksByTransitivity, 4500.0ms TimeCoverageRelationStatistics Valid=786, Invalid=3906, Unknown=0, NotChecked=0, Total=4692 [2021-07-14 00:25:59,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2021-07-14 00:25:59,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 539. [2021-07-14 00:25:59,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 538 states have (on average 1.262081784386617) internal successors, (679), 538 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:59,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 679 transitions. [2021-07-14 00:25:59,242 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 679 transitions. Word has length 120 [2021-07-14 00:25:59,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:25:59,242 INFO L482 AbstractCegarLoop]: Abstraction has 539 states and 679 transitions. [2021-07-14 00:25:59,242 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:25:59,242 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 679 transitions. [2021-07-14 00:25:59,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:25:59,243 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:25:59,243 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:25:59,243 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-07-14 00:25:59,243 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:25:59,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:25:59,243 INFO L82 PathProgramCache]: Analyzing trace with hash 70160223, now seen corresponding path program 33 times [2021-07-14 00:25:59,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:25:59,243 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742635228] [2021-07-14 00:25:59,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:25:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:25:59,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:59,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:25:59,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:59,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:25:59,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:59,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:25:59,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:25:59,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:25:59,377 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-07-14 00:25:59,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:25:59,397 INFO L142 QuantifierPusher]: treesize reduction 22, result has 61.4 percent of original size [2021-07-14 00:25:59,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:25:59,424 INFO L142 QuantifierPusher]: treesize reduction 34, result has 59.5 percent of original size [2021-07-14 00:25:59,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-14 00:25:59,464 INFO L142 QuantifierPusher]: treesize reduction 30, result has 68.1 percent of original size [2021-07-14 00:25:59,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-14 00:25:59,510 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-14 00:25:59,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:25:59,530 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-14 00:25:59,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:25:59,548 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:25:59,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:25:59,565 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-14 00:25:59,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:25:59,584 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-14 00:25:59,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:25:59,604 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:25:59,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:25:59,623 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:25:59,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:25:59,643 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:25:59,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:25:59,663 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:25:59,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:25:59,685 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:25:59,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:25:59,708 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:25:59,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:25:59,735 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.8 percent of original size [2021-07-14 00:25:59,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:25:59,751 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.9 percent of original size [2021-07-14 00:25:59,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:25:59,776 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:25:59,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:25:59,802 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:25:59,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:25:59,830 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:25:59,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:25:59,861 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:25:59,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:25:59,892 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:25:59,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:25:59,925 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-14 00:25:59,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:25:59,958 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:25:59,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:25:59,990 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:25:59,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:00,014 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-14 00:26:00,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:26:00,043 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:26:00,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:00,074 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:26:00,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:00,075 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-14 00:26:00,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:26:00,103 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:26:00,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:26:00,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:00,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:26:00,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:00,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:26:00,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:00,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:26:00,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:00,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:26:00,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:26:00,206 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:26:00,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742635228] [2021-07-14 00:26:00,206 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742635228] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:26:00,206 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:26:00,206 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:26:00,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654703303] [2021-07-14 00:26:00,206 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:26:00,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:26:00,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:26:00,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1102, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:26:00,207 INFO L87 Difference]: Start difference. First operand 539 states and 679 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:01,364 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 64 [2021-07-14 00:26:01,530 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2021-07-14 00:26:01,720 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-14 00:26:02,067 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-14 00:26:02,299 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-14 00:26:02,914 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2021-07-14 00:26:03,091 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2021-07-14 00:26:03,284 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2021-07-14 00:26:03,436 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2021-07-14 00:26:03,676 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-07-14 00:26:04,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:26:04,497 INFO L93 Difference]: Finished difference Result 657 states and 836 transitions. [2021-07-14 00:26:04,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 00:26:04,498 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:26:04,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:26:04,498 INFO L225 Difference]: With dead ends: 657 [2021-07-14 00:26:04,498 INFO L226 Difference]: Without dead ends: 545 [2021-07-14 00:26:04,499 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 717 ImplicationChecksByTransitivity, 4175.0ms TimeCoverageRelationStatistics Valid=747, Invalid=3809, Unknown=0, NotChecked=0, Total=4556 [2021-07-14 00:26:04,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2021-07-14 00:26:04,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 538. [2021-07-14 00:26:04,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 537 states have (on average 1.260707635009311) internal successors, (677), 537 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:04,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 677 transitions. [2021-07-14 00:26:04,503 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 677 transitions. Word has length 120 [2021-07-14 00:26:04,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:26:04,503 INFO L482 AbstractCegarLoop]: Abstraction has 538 states and 677 transitions. [2021-07-14 00:26:04,504 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:04,504 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 677 transitions. [2021-07-14 00:26:04,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:26:04,505 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:26:04,505 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:26:04,505 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-07-14 00:26:04,505 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:26:04,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:26:04,505 INFO L82 PathProgramCache]: Analyzing trace with hash -218645267, now seen corresponding path program 34 times [2021-07-14 00:26:04,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:26:04,506 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117195718] [2021-07-14 00:26:04,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:26:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:26:04,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:04,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:26:04,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:04,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:26:04,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:04,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:26:04,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:04,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:26:04,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:04,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:26:04,639 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-14 00:26:04,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:26:04,661 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-14 00:26:04,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:26:04,693 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-14 00:26:04,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:26:04,732 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-14 00:26:04,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:26:04,749 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-14 00:26:04,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:26:04,767 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:26:04,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:26:04,785 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-14 00:26:04,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:26:04,805 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-14 00:26:04,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:26:04,827 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:26:04,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:04,849 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:26:04,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:04,872 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:26:04,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:04,893 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:26:04,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:04,916 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:26:04,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:04,950 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:26:04,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:26:04,978 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.8 percent of original size [2021-07-14 00:26:04,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:26:04,995 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.9 percent of original size [2021-07-14 00:26:04,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:26:05,022 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:26:05,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:26:05,049 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:26:05,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:05,087 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:26:05,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:05,119 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:26:05,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:05,150 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:26:05,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:05,184 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-14 00:26:05,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:26:05,218 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:26:05,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:26:05,250 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:26:05,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:05,275 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-14 00:26:05,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:26:05,306 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:26:05,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:05,338 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:26:05,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:05,339 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-14 00:26:05,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:26:05,369 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:26:05,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:26:05,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:05,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:26:05,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:05,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:26:05,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:05,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:26:05,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:05,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:26:05,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:26:05,484 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:26:05,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117195718] [2021-07-14 00:26:05,484 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117195718] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:26:05,484 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:26:05,484 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:26:05,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787844075] [2021-07-14 00:26:05,485 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:26:05,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:26:05,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:26:05,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:26:05,485 INFO L87 Difference]: Start difference. First operand 538 states and 677 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:06,550 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2021-07-14 00:26:06,706 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-07-14 00:26:06,879 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-14 00:26:07,086 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2021-07-14 00:26:07,470 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-07-14 00:26:08,038 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-14 00:26:08,230 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-14 00:26:08,418 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-14 00:26:08,586 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2021-07-14 00:26:08,824 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-14 00:26:09,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:26:09,658 INFO L93 Difference]: Finished difference Result 650 states and 827 transitions. [2021-07-14 00:26:09,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 00:26:09,658 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:26:09,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:26:09,659 INFO L225 Difference]: With dead ends: 650 [2021-07-14 00:26:09,659 INFO L226 Difference]: Without dead ends: 525 [2021-07-14 00:26:09,659 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 621 ImplicationChecksByTransitivity, 4050.7ms TimeCoverageRelationStatistics Valid=680, Invalid=3610, Unknown=0, NotChecked=0, Total=4290 [2021-07-14 00:26:09,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2021-07-14 00:26:09,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 525. [2021-07-14 00:26:09,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 524 states have (on average 1.2442748091603053) internal successors, (652), 524 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:09,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 652 transitions. [2021-07-14 00:26:09,664 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 652 transitions. Word has length 120 [2021-07-14 00:26:09,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:26:09,664 INFO L482 AbstractCegarLoop]: Abstraction has 525 states and 652 transitions. [2021-07-14 00:26:09,664 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:09,664 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 652 transitions. [2021-07-14 00:26:09,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:26:09,665 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:26:09,665 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:26:09,665 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-07-14 00:26:09,665 INFO L430 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:26:09,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:26:09,665 INFO L82 PathProgramCache]: Analyzing trace with hash 192010751, now seen corresponding path program 35 times [2021-07-14 00:26:09,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:26:09,665 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621359740] [2021-07-14 00:26:09,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:26:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:26:09,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:09,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:26:09,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:09,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:26:09,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:09,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:26:09,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:09,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:26:09,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:09,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:26:09,801 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-14 00:26:09,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:26:09,813 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-14 00:26:09,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:26:09,834 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-14 00:26:09,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:26:09,884 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-14 00:26:09,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:26:09,904 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-14 00:26:09,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:26:09,924 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-14 00:26:09,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:26:09,943 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-14 00:26:09,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:26:09,963 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-14 00:26:09,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:26:09,984 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:09,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:10,005 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:10,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:10,026 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:10,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:10,047 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:10,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:10,069 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:10,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:10,093 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-14 00:26:10,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:26:10,121 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.8 percent of original size [2021-07-14 00:26:10,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:26:10,140 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:26:10,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:26:10,197 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:26:10,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:26:10,241 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:26:10,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:26:10,285 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:26:10,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:26:10,342 INFO L142 QuantifierPusher]: treesize reduction 53, result has 38.4 percent of original size [2021-07-14 00:26:10,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:10,383 INFO L142 QuantifierPusher]: treesize reduction 55, result has 32.9 percent of original size [2021-07-14 00:26:10,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:26:10,422 INFO L142 QuantifierPusher]: treesize reduction 53, result has 38.4 percent of original size [2021-07-14 00:26:10,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:10,465 INFO L142 QuantifierPusher]: treesize reduction 26, result has 46.9 percent of original size [2021-07-14 00:26:10,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:10,495 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:26:10,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:26:10,521 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:26:10,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:10,522 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:26:10,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:26:10,551 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:26:10,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:10,583 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:26:10,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:26:10,612 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:26:10,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:26:10,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:10,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:26:10,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:10,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:26:10,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:10,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:26:10,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:10,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:26:10,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:26:10,718 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:26:10,718 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621359740] [2021-07-14 00:26:10,718 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621359740] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:26:10,718 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:26:10,718 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:26:10,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978982690] [2021-07-14 00:26:10,718 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:26:10,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:26:10,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:26:10,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:26:10,719 INFO L87 Difference]: Start difference. First operand 525 states and 652 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:11,735 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 63 [2021-07-14 00:26:11,886 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 67 [2021-07-14 00:26:12,053 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2021-07-14 00:26:12,327 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2021-07-14 00:26:12,619 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-07-14 00:26:12,869 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2021-07-14 00:26:13,178 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-07-14 00:26:13,465 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 91 [2021-07-14 00:26:13,773 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-14 00:26:14,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:26:14,989 INFO L93 Difference]: Finished difference Result 658 states and 840 transitions. [2021-07-14 00:26:14,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 00:26:14,989 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:26:14,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:26:14,990 INFO L225 Difference]: With dead ends: 658 [2021-07-14 00:26:14,990 INFO L226 Difference]: Without dead ends: 547 [2021-07-14 00:26:14,990 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 558 ImplicationChecksByTransitivity, 4280.3ms TimeCoverageRelationStatistics Valid=729, Invalid=3431, Unknown=0, NotChecked=0, Total=4160 [2021-07-14 00:26:14,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2021-07-14 00:26:14,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 530. [2021-07-14 00:26:14,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 529 states have (on average 1.2589792060491494) internal successors, (666), 529 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:14,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 666 transitions. [2021-07-14 00:26:14,994 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 666 transitions. Word has length 120 [2021-07-14 00:26:14,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:26:14,995 INFO L482 AbstractCegarLoop]: Abstraction has 530 states and 666 transitions. [2021-07-14 00:26:14,995 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:14,995 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 666 transitions. [2021-07-14 00:26:14,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:26:14,995 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:26:14,995 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:26:14,996 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-07-14 00:26:14,996 INFO L430 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:26:14,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:26:14,996 INFO L82 PathProgramCache]: Analyzing trace with hash 540147521, now seen corresponding path program 36 times [2021-07-14 00:26:14,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:26:14,996 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362418768] [2021-07-14 00:26:14,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:26:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:26:15,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:15,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:26:15,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:15,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:26:15,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:15,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:26:15,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:15,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:26:15,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:15,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:26:15,125 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-14 00:26:15,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:26:15,137 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-14 00:26:15,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:26:15,155 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-14 00:26:15,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:26:15,190 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-14 00:26:15,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:26:15,206 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-14 00:26:15,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:26:15,224 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-14 00:26:15,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:26:15,241 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-14 00:26:15,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:26:15,260 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-14 00:26:15,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:26:15,280 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:15,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:15,300 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:15,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:15,320 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:15,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:15,341 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:15,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:15,363 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:15,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:15,387 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-14 00:26:15,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:26:15,414 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.8 percent of original size [2021-07-14 00:26:15,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:26:15,432 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:26:15,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:26:15,483 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:26:15,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:26:15,534 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:26:15,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:26:15,578 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:26:15,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:26:15,634 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:26:15,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:26:15,689 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-14 00:26:15,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:26:15,728 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-14 00:26:15,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:15,771 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-14 00:26:15,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:15,801 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:26:15,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:26:15,827 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:26:15,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:15,828 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:26:15,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:26:15,857 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:26:15,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:15,888 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:26:15,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:26:15,917 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:26:15,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:26:15,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:15,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:26:15,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:15,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:26:15,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:15,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:26:16,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:16,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:26:16,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:26:16,022 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:26:16,022 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362418768] [2021-07-14 00:26:16,022 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362418768] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:26:16,022 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:26:16,022 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:26:16,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988796113] [2021-07-14 00:26:16,023 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:26:16,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:26:16,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:26:16,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:26:16,023 INFO L87 Difference]: Start difference. First operand 530 states and 666 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:17,059 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 63 [2021-07-14 00:26:17,217 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 67 [2021-07-14 00:26:17,387 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2021-07-14 00:26:17,663 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2021-07-14 00:26:17,955 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-07-14 00:26:18,209 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2021-07-14 00:26:18,557 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-07-14 00:26:18,836 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 89 [2021-07-14 00:26:19,126 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-14 00:26:20,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:26:20,605 INFO L93 Difference]: Finished difference Result 661 states and 843 transitions. [2021-07-14 00:26:20,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 00:26:20,605 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:26:20,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:26:20,606 INFO L225 Difference]: With dead ends: 661 [2021-07-14 00:26:20,606 INFO L226 Difference]: Without dead ends: 550 [2021-07-14 00:26:20,606 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 610 ImplicationChecksByTransitivity, 4532.6ms TimeCoverageRelationStatistics Valid=767, Invalid=3655, Unknown=0, NotChecked=0, Total=4422 [2021-07-14 00:26:20,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2021-07-14 00:26:20,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 531. [2021-07-14 00:26:20,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 530 states have (on average 1.2566037735849056) internal successors, (666), 530 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:20,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 666 transitions. [2021-07-14 00:26:20,610 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 666 transitions. Word has length 120 [2021-07-14 00:26:20,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:26:20,610 INFO L482 AbstractCegarLoop]: Abstraction has 531 states and 666 transitions. [2021-07-14 00:26:20,610 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:20,610 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 666 transitions. [2021-07-14 00:26:20,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:26:20,611 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:26:20,611 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:26:20,611 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-07-14 00:26:20,611 INFO L430 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:26:20,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:26:20,612 INFO L82 PathProgramCache]: Analyzing trace with hash -1851466593, now seen corresponding path program 37 times [2021-07-14 00:26:20,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:26:20,612 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737011976] [2021-07-14 00:26:20,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:26:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:26:20,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:20,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:26:20,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:20,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:26:20,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:20,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:26:20,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:20,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:26:20,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:20,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:26:20,745 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-14 00:26:20,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:26:20,770 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-14 00:26:20,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:26:20,803 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-14 00:26:20,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:26:20,841 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-14 00:26:20,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:26:20,858 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-14 00:26:20,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:26:20,878 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:26:20,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:26:20,898 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-14 00:26:20,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:26:20,921 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-14 00:26:20,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:26:20,944 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:26:20,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:20,967 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:26:20,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:20,991 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:26:20,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:21,015 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:26:21,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:21,041 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:26:21,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:21,069 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:26:21,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:26:21,102 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.8 percent of original size [2021-07-14 00:26:21,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:26:21,123 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:26:21,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:21,154 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:26:21,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:21,187 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:26:21,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:21,223 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:26:21,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:21,272 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:26:21,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:26:21,309 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:26:21,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:21,347 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-14 00:26:21,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:26:21,387 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:26:21,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:26:21,423 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:26:21,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:21,451 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-14 00:26:21,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:26:21,485 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:26:21,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:21,521 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:26:21,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:21,522 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-14 00:26:21,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:26:21,554 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:26:21,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:26:21,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:21,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:26:21,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:21,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:26:21,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:21,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:26:21,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:21,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:26:21,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:26:21,673 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:26:21,673 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737011976] [2021-07-14 00:26:21,673 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737011976] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:26:21,673 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:26:21,673 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:26:21,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551446141] [2021-07-14 00:26:21,673 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:26:21,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:26:21,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:26:21,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:26:21,674 INFO L87 Difference]: Start difference. First operand 531 states and 666 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:22,699 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 58 [2021-07-14 00:26:22,852 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2021-07-14 00:26:23,030 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-07-14 00:26:23,220 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-14 00:26:23,538 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-07-14 00:26:23,870 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-14 00:26:24,148 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-14 00:26:24,508 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 86 [2021-07-14 00:26:24,815 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 88 [2021-07-14 00:26:25,123 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2021-07-14 00:26:25,260 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2021-07-14 00:26:25,477 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2021-07-14 00:26:26,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:26:26,426 INFO L93 Difference]: Finished difference Result 655 states and 834 transitions. [2021-07-14 00:26:26,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 00:26:26,427 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:26:26,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:26:26,427 INFO L225 Difference]: With dead ends: 655 [2021-07-14 00:26:26,427 INFO L226 Difference]: Without dead ends: 545 [2021-07-14 00:26:26,428 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 570 ImplicationChecksByTransitivity, 4582.3ms TimeCoverageRelationStatistics Valid=704, Invalid=3456, Unknown=0, NotChecked=0, Total=4160 [2021-07-14 00:26:26,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2021-07-14 00:26:26,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 529. [2021-07-14 00:26:26,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 528 states have (on average 1.2556818181818181) internal successors, (663), 528 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:26,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 663 transitions. [2021-07-14 00:26:26,432 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 663 transitions. Word has length 120 [2021-07-14 00:26:26,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:26:26,432 INFO L482 AbstractCegarLoop]: Abstraction has 529 states and 663 transitions. [2021-07-14 00:26:26,432 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:26,432 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 663 transitions. [2021-07-14 00:26:26,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:26:26,433 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:26:26,433 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:26:26,433 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-07-14 00:26:26,433 INFO L430 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:26:26,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:26:26,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1729476095, now seen corresponding path program 38 times [2021-07-14 00:26:26,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:26:26,434 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540212807] [2021-07-14 00:26:26,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:26:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:26:26,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:26,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:26:26,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:26,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:26:26,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:26,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:26:26,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:26,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:26:26,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:26,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:26:26,581 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-14 00:26:26,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:26:26,593 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-14 00:26:26,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:26:26,614 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-14 00:26:26,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:26:26,664 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-14 00:26:26,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:26:26,684 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-14 00:26:26,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:26:26,704 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-14 00:26:26,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:26:26,724 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-14 00:26:26,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:26:26,747 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-14 00:26:26,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:26:26,771 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:26,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:26,794 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:26,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:26,817 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:26,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:26,841 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:26,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:26,867 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:26,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:26,894 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-14 00:26:26,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:26:26,926 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.8 percent of original size [2021-07-14 00:26:26,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:26:26,946 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:26:26,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:26:27,005 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:26:27,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:26:27,054 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:26:27,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:26:27,103 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:26:27,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:26:27,152 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:26:27,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:26:27,216 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-14 00:26:27,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:26:27,261 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-14 00:26:27,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:27,310 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-14 00:26:27,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:27,346 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:26:27,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:26:27,377 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:26:27,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:27,378 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:26:27,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:26:27,412 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:26:27,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:27,449 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:26:27,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:26:27,482 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:26:27,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:26:27,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:27,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:26:27,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:27,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:26:27,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:27,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:26:27,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:27,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:26:27,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:26:27,601 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:26:27,601 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540212807] [2021-07-14 00:26:27,601 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540212807] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:26:27,601 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:26:27,601 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:26:27,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056997401] [2021-07-14 00:26:27,602 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:26:27,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:26:27,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:26:27,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:26:27,602 INFO L87 Difference]: Start difference. First operand 529 states and 663 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:28,632 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 59 [2021-07-14 00:26:28,786 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 63 [2021-07-14 00:26:28,969 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 67 [2021-07-14 00:26:29,158 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2021-07-14 00:26:29,473 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2021-07-14 00:26:29,803 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-07-14 00:26:30,092 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2021-07-14 00:26:30,412 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 85 [2021-07-14 00:26:30,859 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 89 [2021-07-14 00:26:31,180 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-14 00:26:31,511 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-07-14 00:26:31,667 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2021-07-14 00:26:32,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:26:32,829 INFO L93 Difference]: Finished difference Result 665 states and 847 transitions. [2021-07-14 00:26:32,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 00:26:32,829 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:26:32,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:26:32,830 INFO L225 Difference]: With dead ends: 665 [2021-07-14 00:26:32,830 INFO L226 Difference]: Without dead ends: 551 [2021-07-14 00:26:32,831 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 635 ImplicationChecksByTransitivity, 5144.1ms TimeCoverageRelationStatistics Valid=791, Invalid=3765, Unknown=0, NotChecked=0, Total=4556 [2021-07-14 00:26:32,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2021-07-14 00:26:32,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 532. [2021-07-14 00:26:32,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 531 states have (on average 1.2542372881355932) internal successors, (666), 531 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:32,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 666 transitions. [2021-07-14 00:26:32,836 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 666 transitions. Word has length 120 [2021-07-14 00:26:32,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:26:32,836 INFO L482 AbstractCegarLoop]: Abstraction has 532 states and 666 transitions. [2021-07-14 00:26:32,837 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:32,837 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 666 transitions. [2021-07-14 00:26:32,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:26:32,838 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:26:32,838 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:26:32,838 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-07-14 00:26:32,838 INFO L430 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:26:32,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:26:32,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1974522587, now seen corresponding path program 39 times [2021-07-14 00:26:32,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:26:32,839 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127910560] [2021-07-14 00:26:32,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:26:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:26:32,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:32,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:26:32,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:32,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:26:32,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:32,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:26:32,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:32,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:26:32,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:32,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:26:32,986 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-14 00:26:32,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:26:33,010 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-14 00:26:33,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:26:33,049 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-14 00:26:33,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:26:33,098 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-14 00:26:33,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:26:33,117 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-14 00:26:33,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:26:33,138 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:26:33,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:26:33,159 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-14 00:26:33,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:26:33,182 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-14 00:26:33,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:26:33,205 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:26:33,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:33,228 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:26:33,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:33,249 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:26:33,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:33,271 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:26:33,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:33,294 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:26:33,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:33,318 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:26:33,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:26:33,346 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.8 percent of original size [2021-07-14 00:26:33,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:26:33,364 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:26:33,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:33,394 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:26:33,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:33,428 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:26:33,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:33,466 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:26:33,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:26:33,498 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:26:33,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:26:33,533 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:26:33,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:33,567 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-14 00:26:33,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:26:33,602 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:26:33,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:26:33,635 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:26:33,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:33,660 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-14 00:26:33,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:26:33,690 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:26:33,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:33,722 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:26:33,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:33,723 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-14 00:26:33,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:26:33,752 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:26:33,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:26:33,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:33,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:26:33,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:33,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:26:33,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:33,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:26:33,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:33,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:26:33,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:26:33,861 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:26:33,861 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127910560] [2021-07-14 00:26:33,861 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127910560] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:26:33,861 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:26:33,861 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:26:33,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735083477] [2021-07-14 00:26:33,862 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:26:33,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:26:33,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:26:33,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:26:33,862 INFO L87 Difference]: Start difference. First operand 532 states and 666 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:34,885 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2021-07-14 00:26:35,045 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-07-14 00:26:35,214 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-14 00:26:35,484 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-07-14 00:26:35,773 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-14 00:26:36,020 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-14 00:26:36,289 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 84 [2021-07-14 00:26:36,666 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 88 [2021-07-14 00:26:37,102 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-14 00:26:38,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:26:38,251 INFO L93 Difference]: Finished difference Result 659 states and 838 transitions. [2021-07-14 00:26:38,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 00:26:38,251 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:26:38,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:26:38,252 INFO L225 Difference]: With dead ends: 659 [2021-07-14 00:26:38,252 INFO L226 Difference]: Without dead ends: 550 [2021-07-14 00:26:38,252 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 620 ImplicationChecksByTransitivity, 4373.6ms TimeCoverageRelationStatistics Valid=745, Invalid=3677, Unknown=0, NotChecked=0, Total=4422 [2021-07-14 00:26:38,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2021-07-14 00:26:38,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 531. [2021-07-14 00:26:38,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 530 states have (on average 1.2528301886792452) internal successors, (664), 530 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:38,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 664 transitions. [2021-07-14 00:26:38,257 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 664 transitions. Word has length 120 [2021-07-14 00:26:38,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:26:38,257 INFO L482 AbstractCegarLoop]: Abstraction has 531 states and 664 transitions. [2021-07-14 00:26:38,257 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:38,257 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 664 transitions. [2021-07-14 00:26:38,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:26:38,257 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:26:38,258 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:26:38,258 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-07-14 00:26:38,258 INFO L430 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:26:38,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:26:38,258 INFO L82 PathProgramCache]: Analyzing trace with hash -1533891203, now seen corresponding path program 40 times [2021-07-14 00:26:38,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:26:38,258 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559611575] [2021-07-14 00:26:38,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:26:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:26:38,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:38,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:26:38,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:38,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:26:38,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:38,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:26:38,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:38,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:26:38,387 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-07-14 00:26:38,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:26:38,408 INFO L142 QuantifierPusher]: treesize reduction 22, result has 62.1 percent of original size [2021-07-14 00:26:38,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:26:38,438 INFO L142 QuantifierPusher]: treesize reduction 20, result has 71.8 percent of original size [2021-07-14 00:26:38,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:26:38,485 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.0 percent of original size [2021-07-14 00:26:38,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-14 00:26:38,532 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-14 00:26:38,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:26:38,551 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-14 00:26:38,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:26:38,569 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-14 00:26:38,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:26:38,587 INFO L142 QuantifierPusher]: treesize reduction 19, result has 65.5 percent of original size [2021-07-14 00:26:38,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:26:38,608 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-14 00:26:38,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:26:38,629 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:26:38,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:38,651 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:26:38,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:38,673 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:26:38,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:38,716 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:26:38,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:38,739 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:26:38,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:38,762 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-14 00:26:38,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:26:38,788 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.2 percent of original size [2021-07-14 00:26:38,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:26:38,804 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:38,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:38,829 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:38,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:38,857 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:38,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:38,886 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-14 00:26:38,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:26:38,914 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:38,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:38,944 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:38,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:38,978 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.8 percent of original size [2021-07-14 00:26:38,978 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-07-14 00:26:39,026 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:26:39,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:26:39,060 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:26:39,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:39,087 INFO L142 QuantifierPusher]: treesize reduction 24, result has 41.5 percent of original size [2021-07-14 00:26:39,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:26:39,117 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:26:39,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:39,150 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:26:39,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:39,151 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-14 00:26:39,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:26:39,182 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:26:39,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:26:39,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:39,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:26:39,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:39,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:26:39,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:39,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:26:39,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:39,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:26:39,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:26:39,295 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:26:39,295 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559611575] [2021-07-14 00:26:39,296 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559611575] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:26:39,296 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:26:39,296 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:26:39,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918272892] [2021-07-14 00:26:39,296 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:26:39,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:26:39,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:26:39,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1102, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:26:39,297 INFO L87 Difference]: Start difference. First operand 531 states and 664 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:40,477 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 64 [2021-07-14 00:26:40,639 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2021-07-14 00:26:40,946 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2021-07-14 00:26:41,225 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2021-07-14 00:26:41,480 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 80 [2021-07-14 00:26:41,750 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-14 00:26:42,193 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-07-14 00:26:42,328 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 66 [2021-07-14 00:26:42,539 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-07-14 00:26:43,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:26:43,337 INFO L93 Difference]: Finished difference Result 655 states and 832 transitions. [2021-07-14 00:26:43,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 00:26:43,337 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:26:43,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:26:43,338 INFO L225 Difference]: With dead ends: 655 [2021-07-14 00:26:43,338 INFO L226 Difference]: Without dead ends: 541 [2021-07-14 00:26:43,338 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630 ImplicationChecksByTransitivity, 3947.6ms TimeCoverageRelationStatistics Valid=687, Invalid=3473, Unknown=0, NotChecked=0, Total=4160 [2021-07-14 00:26:43,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2021-07-14 00:26:43,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 527. [2021-07-14 00:26:43,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 526 states have (on average 1.2490494296577948) internal successors, (657), 526 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:43,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 657 transitions. [2021-07-14 00:26:43,342 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 657 transitions. Word has length 120 [2021-07-14 00:26:43,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:26:43,343 INFO L482 AbstractCegarLoop]: Abstraction has 527 states and 657 transitions. [2021-07-14 00:26:43,343 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:43,343 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 657 transitions. [2021-07-14 00:26:43,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:26:43,343 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:26:43,343 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:26:43,344 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-07-14 00:26:43,344 INFO L430 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:26:43,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:26:43,344 INFO L82 PathProgramCache]: Analyzing trace with hash 2063835647, now seen corresponding path program 41 times [2021-07-14 00:26:43,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:26:43,344 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353502173] [2021-07-14 00:26:43,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:26:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:26:43,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:43,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:26:43,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:43,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:26:43,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:43,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:26:43,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:43,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:26:43,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:43,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:26:43,472 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-14 00:26:43,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:26:43,483 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-14 00:26:43,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:26:43,501 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-14 00:26:43,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:26:43,538 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-14 00:26:43,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:26:43,576 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-14 00:26:43,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:26:43,595 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-14 00:26:43,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:26:43,613 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-14 00:26:43,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:26:43,634 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-14 00:26:43,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:26:43,657 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:43,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:43,681 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:43,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:43,703 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:43,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:43,725 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:43,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:43,750 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:43,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:43,777 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-14 00:26:43,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:26:43,806 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.8 percent of original size [2021-07-14 00:26:43,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:26:43,825 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:26:43,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:26:43,878 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:26:43,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:26:43,932 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:26:43,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:26:43,976 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:26:43,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:26:44,019 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:26:44,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:26:44,075 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-14 00:26:44,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:26:44,115 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-14 00:26:44,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:44,158 INFO L142 QuantifierPusher]: treesize reduction 26, result has 46.9 percent of original size [2021-07-14 00:26:44,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:44,188 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:26:44,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:26:44,215 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:26:44,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:44,216 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:26:44,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:26:44,246 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:26:44,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:44,277 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:26:44,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:26:44,307 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:26:44,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:26:44,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:44,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:26:44,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:44,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:26:44,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:44,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:26:44,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:44,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:26:44,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:26:44,413 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:26:44,413 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353502173] [2021-07-14 00:26:44,413 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353502173] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:26:44,413 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:26:44,413 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:26:44,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815149719] [2021-07-14 00:26:44,414 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:26:44,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:26:44,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:26:44,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:26:44,414 INFO L87 Difference]: Start difference. First operand 527 states and 657 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:45,443 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 63 [2021-07-14 00:26:45,594 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 67 [2021-07-14 00:26:45,764 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2021-07-14 00:26:46,026 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2021-07-14 00:26:46,315 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-07-14 00:26:46,563 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 81 [2021-07-14 00:26:46,821 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 85 [2021-07-14 00:26:47,339 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 89 [2021-07-14 00:26:47,619 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-14 00:26:47,764 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2021-07-14 00:26:47,955 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2021-07-14 00:26:48,114 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2021-07-14 00:26:49,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:26:49,227 INFO L93 Difference]: Finished difference Result 664 states and 843 transitions. [2021-07-14 00:26:49,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 00:26:49,227 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:26:49,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:26:49,228 INFO L225 Difference]: With dead ends: 664 [2021-07-14 00:26:49,228 INFO L226 Difference]: Without dead ends: 550 [2021-07-14 00:26:49,228 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 4832.4ms TimeCoverageRelationStatistics Valid=818, Invalid=3874, Unknown=0, NotChecked=0, Total=4692 [2021-07-14 00:26:49,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2021-07-14 00:26:49,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 531. [2021-07-14 00:26:49,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 530 states have (on average 1.2509433962264151) internal successors, (663), 530 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:49,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 663 transitions. [2021-07-14 00:26:49,232 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 663 transitions. Word has length 120 [2021-07-14 00:26:49,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:26:49,233 INFO L482 AbstractCegarLoop]: Abstraction has 531 states and 663 transitions. [2021-07-14 00:26:49,233 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:49,233 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 663 transitions. [2021-07-14 00:26:49,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:26:49,233 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:26:49,233 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:26:49,234 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-07-14 00:26:49,234 INFO L430 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:26:49,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:26:49,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1422176711, now seen corresponding path program 42 times [2021-07-14 00:26:49,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:26:49,234 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625244531] [2021-07-14 00:26:49,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:26:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:26:49,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:49,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:26:49,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:49,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:26:49,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:49,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:26:49,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:49,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:26:49,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:49,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:26:49,378 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-14 00:26:49,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:26:49,401 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-14 00:26:49,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:26:49,433 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-14 00:26:49,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:26:49,471 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-14 00:26:49,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:26:49,487 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-14 00:26:49,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:26:49,505 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:26:49,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:26:49,524 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-14 00:26:49,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:26:49,545 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-14 00:26:49,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:26:49,566 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:26:49,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:49,587 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:26:49,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:49,607 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:26:49,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:49,628 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:26:49,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:49,659 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:26:49,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:49,683 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:26:49,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:26:49,710 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.8 percent of original size [2021-07-14 00:26:49,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:26:49,728 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:26:49,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:49,758 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:26:49,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:49,787 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:26:49,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:26:49,817 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:26:49,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:26:49,846 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:26:49,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:26:49,876 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:26:49,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:49,909 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-14 00:26:49,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:26:49,944 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:26:49,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:26:49,976 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:26:49,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:50,001 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-14 00:26:50,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:26:50,031 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:26:50,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:50,063 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:26:50,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:50,063 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-14 00:26:50,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:26:50,092 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:26:50,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:26:50,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:50,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:26:50,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:50,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:26:50,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:50,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:26:50,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:50,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:26:50,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:26:50,198 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:26:50,198 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625244531] [2021-07-14 00:26:50,198 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625244531] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:26:50,198 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:26:50,198 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:26:50,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119741609] [2021-07-14 00:26:50,199 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:26:50,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:26:50,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:26:50,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:26:50,199 INFO L87 Difference]: Start difference. First operand 531 states and 663 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:51,239 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2021-07-14 00:26:51,398 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-07-14 00:26:51,562 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-14 00:26:51,841 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-07-14 00:26:52,133 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-14 00:26:52,375 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 80 [2021-07-14 00:26:52,632 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 84 [2021-07-14 00:26:53,141 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 88 [2021-07-14 00:26:53,303 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-14 00:26:53,608 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-14 00:26:54,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:26:54,743 INFO L93 Difference]: Finished difference Result 658 states and 835 transitions. [2021-07-14 00:26:54,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 00:26:54,744 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:26:54,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:26:54,744 INFO L225 Difference]: With dead ends: 658 [2021-07-14 00:26:54,744 INFO L226 Difference]: Without dead ends: 549 [2021-07-14 00:26:54,745 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 645 ImplicationChecksByTransitivity, 4457.9ms TimeCoverageRelationStatistics Valid=771, Invalid=3785, Unknown=0, NotChecked=0, Total=4556 [2021-07-14 00:26:54,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2021-07-14 00:26:54,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 530. [2021-07-14 00:26:54,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 529 states have (on average 1.2495274102079394) internal successors, (661), 529 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:54,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 661 transitions. [2021-07-14 00:26:54,749 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 661 transitions. Word has length 120 [2021-07-14 00:26:54,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:26:54,749 INFO L482 AbstractCegarLoop]: Abstraction has 530 states and 661 transitions. [2021-07-14 00:26:54,750 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:54,750 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 661 transitions. [2021-07-14 00:26:54,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:26:54,750 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:26:54,750 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:26:54,750 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-07-14 00:26:54,751 INFO L430 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:26:54,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:26:54,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1862808095, now seen corresponding path program 43 times [2021-07-14 00:26:54,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:26:54,751 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689720602] [2021-07-14 00:26:54,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:26:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:26:54,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:54,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:26:54,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:54,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:26:54,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:54,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:26:54,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:54,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:26:54,886 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-07-14 00:26:54,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:26:54,907 INFO L142 QuantifierPusher]: treesize reduction 22, result has 62.1 percent of original size [2021-07-14 00:26:54,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:26:54,953 INFO L142 QuantifierPusher]: treesize reduction 20, result has 71.8 percent of original size [2021-07-14 00:26:54,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:26:55,003 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.0 percent of original size [2021-07-14 00:26:55,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-14 00:26:55,053 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-14 00:26:55,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:26:55,072 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-14 00:26:55,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:26:55,091 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-14 00:26:55,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:26:55,109 INFO L142 QuantifierPusher]: treesize reduction 19, result has 65.5 percent of original size [2021-07-14 00:26:55,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:26:55,130 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-14 00:26:55,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:26:55,152 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:26:55,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:55,173 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:26:55,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:55,195 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:26:55,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:55,217 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:26:55,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:55,239 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:26:55,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:26:55,263 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-14 00:26:55,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:26:55,289 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.2 percent of original size [2021-07-14 00:26:55,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:26:55,306 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:55,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:55,332 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:55,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:55,362 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-14 00:26:55,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:26:55,390 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-14 00:26:55,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:26:55,419 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:55,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:55,450 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:26:55,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:26:55,482 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.8 percent of original size [2021-07-14 00:26:55,482 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-07-14 00:26:55,526 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:26:55,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:26:55,556 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:26:55,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:55,583 INFO L142 QuantifierPusher]: treesize reduction 24, result has 41.5 percent of original size [2021-07-14 00:26:55,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:26:55,612 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:26:55,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:55,643 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:26:55,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:26:55,643 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-14 00:26:55,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:26:55,671 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:26:55,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:26:55,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:55,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:26:55,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:55,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:26:55,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:55,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:26:55,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:26:55,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:26:55,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:26:55,772 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:26:55,773 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689720602] [2021-07-14 00:26:55,773 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689720602] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:26:55,773 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:26:55,773 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:26:55,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599471944] [2021-07-14 00:26:55,773 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:26:55,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:26:55,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:26:55,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1102, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:26:55,774 INFO L87 Difference]: Start difference. First operand 530 states and 661 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:56,904 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 64 [2021-07-14 00:26:57,068 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2021-07-14 00:26:57,334 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2021-07-14 00:26:57,611 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2021-07-14 00:26:57,838 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-14 00:26:58,091 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-14 00:26:58,617 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2021-07-14 00:26:58,789 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-07-14 00:26:58,922 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 66 [2021-07-14 00:26:59,129 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-07-14 00:26:59,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:26:59,910 INFO L93 Difference]: Finished difference Result 659 states and 835 transitions. [2021-07-14 00:26:59,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 00:26:59,911 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:26:59,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:26:59,911 INFO L225 Difference]: With dead ends: 659 [2021-07-14 00:26:59,911 INFO L226 Difference]: Without dead ends: 547 [2021-07-14 00:26:59,912 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 680 ImplicationChecksByTransitivity, 4128.1ms TimeCoverageRelationStatistics Valid=731, Invalid=3691, Unknown=0, NotChecked=0, Total=4422 [2021-07-14 00:26:59,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2021-07-14 00:26:59,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 528. [2021-07-14 00:26:59,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.2466793168880455) internal successors, (657), 527 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:59,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 657 transitions. [2021-07-14 00:26:59,916 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 657 transitions. Word has length 120 [2021-07-14 00:26:59,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:26:59,916 INFO L482 AbstractCegarLoop]: Abstraction has 528 states and 657 transitions. [2021-07-14 00:26:59,916 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:26:59,916 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 657 transitions. [2021-07-14 00:26:59,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:26:59,917 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:26:59,917 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:26:59,917 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-07-14 00:26:59,917 INFO L430 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:26:59,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:26:59,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1604703613, now seen corresponding path program 44 times [2021-07-14 00:26:59,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:26:59,917 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902535551] [2021-07-14 00:26:59,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:26:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:27:00,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:00,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:27:00,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:00,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:27:00,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:00,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:27:00,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:00,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:27:00,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:00,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:27:00,065 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-14 00:27:00,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:27:00,089 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-14 00:27:00,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:27:00,128 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-14 00:27:00,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:27:00,173 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-14 00:27:00,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:27:00,191 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-14 00:27:00,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:27:00,209 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:27:00,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:27:00,227 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-14 00:27:00,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:27:00,247 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-14 00:27:00,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:27:00,267 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:27:00,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:00,287 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:27:00,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:00,307 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:27:00,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:00,328 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:27:00,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:00,351 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:27:00,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:00,375 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:27:00,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:27:00,403 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.8 percent of original size [2021-07-14 00:27:00,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:27:00,421 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:27:00,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:00,449 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:27:00,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:00,478 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:27:00,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:27:00,509 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:27:00,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:00,543 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:27:00,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:00,576 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:27:00,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:00,610 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-14 00:27:00,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:27:00,646 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:27:00,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:27:00,679 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:27:00,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:00,705 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-14 00:27:00,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:27:00,745 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:27:00,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:00,781 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:27:00,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:00,782 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-14 00:27:00,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:27:00,812 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:27:00,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:27:00,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:00,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:27:00,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:00,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:27:00,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:00,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:27:00,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:00,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:27:00,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:27:00,919 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:27:00,919 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902535551] [2021-07-14 00:27:00,919 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902535551] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:27:00,919 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:27:00,919 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:27:00,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103823225] [2021-07-14 00:27:00,920 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:27:00,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:27:00,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:27:00,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:27:00,920 INFO L87 Difference]: Start difference. First operand 528 states and 657 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:01,967 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2021-07-14 00:27:02,119 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-07-14 00:27:02,290 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-14 00:27:02,546 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-07-14 00:27:02,829 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-14 00:27:03,070 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 80 [2021-07-14 00:27:03,535 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-14 00:27:03,710 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-14 00:27:03,864 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-07-14 00:27:04,083 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-14 00:27:04,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:27:04,909 INFO L93 Difference]: Finished difference Result 652 states and 825 transitions. [2021-07-14 00:27:04,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 00:27:04,910 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:27:04,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:27:04,910 INFO L225 Difference]: With dead ends: 652 [2021-07-14 00:27:04,910 INFO L226 Difference]: Without dead ends: 539 [2021-07-14 00:27:04,911 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 588 ImplicationChecksByTransitivity, 3966.6ms TimeCoverageRelationStatistics Valid=666, Invalid=3494, Unknown=0, NotChecked=0, Total=4160 [2021-07-14 00:27:04,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2021-07-14 00:27:04,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 526. [2021-07-14 00:27:04,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 525 states have (on average 1.2457142857142858) internal successors, (654), 525 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:04,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 654 transitions. [2021-07-14 00:27:04,915 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 654 transitions. Word has length 120 [2021-07-14 00:27:04,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:27:04,915 INFO L482 AbstractCegarLoop]: Abstraction has 526 states and 654 transitions. [2021-07-14 00:27:04,915 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:04,915 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 654 transitions. [2021-07-14 00:27:04,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:27:04,916 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:27:04,916 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:27:04,916 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-07-14 00:27:04,916 INFO L430 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:27:04,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:27:04,916 INFO L82 PathProgramCache]: Analyzing trace with hash 719857473, now seen corresponding path program 45 times [2021-07-14 00:27:04,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:27:04,916 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586677759] [2021-07-14 00:27:04,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:27:04,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:27:05,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:05,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:27:05,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:05,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:27:05,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:05,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:27:05,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:05,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:27:05,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:05,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:27:05,049 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-14 00:27:05,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:27:05,064 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-14 00:27:05,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:27:05,094 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-14 00:27:05,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:27:05,129 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-14 00:27:05,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:27:05,146 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-14 00:27:05,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:27:05,164 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-14 00:27:05,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:27:05,181 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-14 00:27:05,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:27:05,200 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-14 00:27:05,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:27:05,220 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:27:05,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:05,240 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:27:05,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:05,260 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:27:05,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:05,282 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:27:05,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:05,304 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:27:05,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:05,328 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-14 00:27:05,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:27:05,356 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.8 percent of original size [2021-07-14 00:27:05,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:27:05,377 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:27:05,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:27:05,432 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:27:05,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:27:05,507 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:27:05,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:27:05,551 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:27:05,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:27:05,595 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:27:05,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:27:05,652 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-14 00:27:05,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:27:05,694 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-14 00:27:05,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:05,736 INFO L142 QuantifierPusher]: treesize reduction 26, result has 46.9 percent of original size [2021-07-14 00:27:05,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:05,768 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:27:05,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:27:05,795 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:27:05,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:05,796 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:27:05,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:27:05,826 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:27:05,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:05,860 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:27:05,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:27:05,889 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:27:05,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:27:05,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:05,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:27:05,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:05,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:27:05,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:05,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:27:05,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:05,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:27:05,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:27:05,998 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:27:05,998 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586677759] [2021-07-14 00:27:05,998 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586677759] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:27:05,999 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:27:05,999 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:27:05,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77245311] [2021-07-14 00:27:05,999 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:27:05,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:27:05,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:27:06,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:27:06,000 INFO L87 Difference]: Start difference. First operand 526 states and 654 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:07,055 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 63 [2021-07-14 00:27:07,213 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 67 [2021-07-14 00:27:07,385 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2021-07-14 00:27:07,679 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2021-07-14 00:27:07,955 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 77 [2021-07-14 00:27:08,185 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 81 [2021-07-14 00:27:08,555 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 85 [2021-07-14 00:27:08,854 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2021-07-14 00:27:09,119 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 89 [2021-07-14 00:27:09,398 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-14 00:27:09,568 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2021-07-14 00:27:09,770 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2021-07-14 00:27:09,946 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 71 [2021-07-14 00:27:11,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:27:11,052 INFO L93 Difference]: Finished difference Result 653 states and 826 transitions. [2021-07-14 00:27:11,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 00:27:11,052 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:27:11,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:27:11,053 INFO L225 Difference]: With dead ends: 653 [2021-07-14 00:27:11,053 INFO L226 Difference]: Without dead ends: 538 [2021-07-14 00:27:11,053 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 687 ImplicationChecksByTransitivity, 5019.9ms TimeCoverageRelationStatistics Valid=848, Invalid=3982, Unknown=0, NotChecked=0, Total=4830 [2021-07-14 00:27:11,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2021-07-14 00:27:11,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 531. [2021-07-14 00:27:11,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 530 states have (on average 1.2490566037735849) internal successors, (662), 530 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:11,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 662 transitions. [2021-07-14 00:27:11,057 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 662 transitions. Word has length 120 [2021-07-14 00:27:11,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:27:11,057 INFO L482 AbstractCegarLoop]: Abstraction has 531 states and 662 transitions. [2021-07-14 00:27:11,058 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:11,058 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 662 transitions. [2021-07-14 00:27:11,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:27:11,058 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:27:11,058 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:27:11,058 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-07-14 00:27:11,059 INFO L430 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:27:11,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:27:11,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1635138395, now seen corresponding path program 46 times [2021-07-14 00:27:11,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:27:11,059 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361627818] [2021-07-14 00:27:11,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:27:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:27:11,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:11,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:27:11,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:11,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:27:11,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:11,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:27:11,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:11,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:27:11,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:11,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:27:11,206 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-14 00:27:11,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:27:11,229 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-14 00:27:11,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:27:11,266 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-14 00:27:11,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:27:11,311 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-14 00:27:11,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:27:11,329 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-14 00:27:11,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:27:11,349 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:27:11,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:27:11,369 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-14 00:27:11,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:27:11,391 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-14 00:27:11,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:27:11,414 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:27:11,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:11,435 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:27:11,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:11,456 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:27:11,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:11,477 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:27:11,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:11,500 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:27:11,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:11,524 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:27:11,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:27:11,551 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.8 percent of original size [2021-07-14 00:27:11,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:27:11,581 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:27:11,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:11,608 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:27:11,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:27:11,635 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:27:11,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:27:11,664 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:27:11,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:27:11,693 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:27:11,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:27:11,723 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:27:11,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:11,756 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-14 00:27:11,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:27:11,790 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:27:11,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:27:11,822 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:27:11,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:11,847 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-14 00:27:11,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:27:11,876 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:27:11,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:11,908 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:27:11,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:11,908 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-14 00:27:11,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:27:11,937 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:27:11,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:27:11,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:11,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:27:11,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:11,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:27:12,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:12,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:27:12,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:12,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:27:12,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:27:12,042 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:27:12,042 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361627818] [2021-07-14 00:27:12,042 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361627818] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:27:12,042 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:27:12,042 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:27:12,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782959903] [2021-07-14 00:27:12,043 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:27:12,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:27:12,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:27:12,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:27:12,043 INFO L87 Difference]: Start difference. First operand 531 states and 662 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:13,080 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2021-07-14 00:27:13,243 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-07-14 00:27:13,410 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-14 00:27:13,696 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-07-14 00:27:13,975 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 76 [2021-07-14 00:27:14,214 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 80 [2021-07-14 00:27:14,573 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 84 [2021-07-14 00:27:14,858 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2021-07-14 00:27:15,120 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 88 [2021-07-14 00:27:15,295 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-14 00:27:15,450 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2021-07-14 00:27:15,634 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-14 00:27:16,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:27:16,776 INFO L93 Difference]: Finished difference Result 646 states and 816 transitions. [2021-07-14 00:27:16,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 00:27:16,777 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:27:16,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:27:16,777 INFO L225 Difference]: With dead ends: 646 [2021-07-14 00:27:16,777 INFO L226 Difference]: Without dead ends: 537 [2021-07-14 00:27:16,778 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 670 ImplicationChecksByTransitivity, 4629.0ms TimeCoverageRelationStatistics Valid=800, Invalid=3892, Unknown=0, NotChecked=0, Total=4692 [2021-07-14 00:27:16,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2021-07-14 00:27:16,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 530. [2021-07-14 00:27:16,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 529 states have (on average 1.2476370510396975) internal successors, (660), 529 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:16,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 660 transitions. [2021-07-14 00:27:16,782 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 660 transitions. Word has length 120 [2021-07-14 00:27:16,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:27:16,782 INFO L482 AbstractCegarLoop]: Abstraction has 530 states and 660 transitions. [2021-07-14 00:27:16,782 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:16,782 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 660 transitions. [2021-07-14 00:27:16,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:27:16,783 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:27:16,783 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:27:16,783 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-07-14 00:27:16,783 INFO L430 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:27:16,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:27:16,783 INFO L82 PathProgramCache]: Analyzing trace with hash 2075769779, now seen corresponding path program 47 times [2021-07-14 00:27:16,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:27:16,783 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447876346] [2021-07-14 00:27:16,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:27:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:27:16,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:16,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:27:16,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:16,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:27:16,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:16,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:27:16,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:16,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:27:16,917 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-07-14 00:27:16,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:27:16,938 INFO L142 QuantifierPusher]: treesize reduction 22, result has 62.1 percent of original size [2021-07-14 00:27:16,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:27:16,967 INFO L142 QuantifierPusher]: treesize reduction 20, result has 71.8 percent of original size [2021-07-14 00:27:16,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:27:17,013 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.0 percent of original size [2021-07-14 00:27:17,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-14 00:27:17,060 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-14 00:27:17,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:27:17,078 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-14 00:27:17,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:27:17,094 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-14 00:27:17,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:27:17,110 INFO L142 QuantifierPusher]: treesize reduction 19, result has 65.5 percent of original size [2021-07-14 00:27:17,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:27:17,129 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-14 00:27:17,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:27:17,148 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:27:17,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:17,167 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:27:17,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:17,187 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:27:17,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:17,208 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:27:17,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:17,231 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:27:17,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:17,254 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-14 00:27:17,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:27:17,280 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.2 percent of original size [2021-07-14 00:27:17,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:27:17,297 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:27:17,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:17,322 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-14 00:27:17,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:27:17,348 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-14 00:27:17,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:27:17,377 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-14 00:27:17,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:27:17,405 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:27:17,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:17,435 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:27:17,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:17,466 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.8 percent of original size [2021-07-14 00:27:17,467 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-07-14 00:27:17,511 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:27:17,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:27:17,541 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:27:17,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:17,565 INFO L142 QuantifierPusher]: treesize reduction 24, result has 41.5 percent of original size [2021-07-14 00:27:17,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:27:17,593 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:27:17,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:17,623 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:27:17,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:17,624 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-14 00:27:17,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:27:17,652 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:27:17,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:27:17,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:17,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:27:17,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:17,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:27:17,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:17,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:27:17,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:17,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:27:17,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:27:17,754 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:27:17,754 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447876346] [2021-07-14 00:27:17,754 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447876346] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:27:17,754 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:27:17,754 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:27:17,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739163030] [2021-07-14 00:27:17,754 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:27:17,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:27:17,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:27:17,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1102, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:27:17,755 INFO L87 Difference]: Start difference. First operand 530 states and 660 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:18,939 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 64 [2021-07-14 00:27:19,099 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2021-07-14 00:27:19,376 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2021-07-14 00:27:19,642 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-07-14 00:27:19,871 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-14 00:27:20,214 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-14 00:27:20,503 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2021-07-14 00:27:20,816 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2021-07-14 00:27:21,004 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2021-07-14 00:27:21,140 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 66 [2021-07-14 00:27:21,347 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-07-14 00:27:22,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:27:22,150 INFO L93 Difference]: Finished difference Result 647 states and 816 transitions. [2021-07-14 00:27:22,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 00:27:22,150 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:27:22,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:27:22,151 INFO L225 Difference]: With dead ends: 647 [2021-07-14 00:27:22,151 INFO L226 Difference]: Without dead ends: 535 [2021-07-14 00:27:22,151 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 704 ImplicationChecksByTransitivity, 4283.1ms TimeCoverageRelationStatistics Valid=759, Invalid=3797, Unknown=0, NotChecked=0, Total=4556 [2021-07-14 00:27:22,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2021-07-14 00:27:22,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 528. [2021-07-14 00:27:22,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.2447817836812145) internal successors, (656), 527 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:22,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 656 transitions. [2021-07-14 00:27:22,156 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 656 transitions. Word has length 120 [2021-07-14 00:27:22,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:27:22,156 INFO L482 AbstractCegarLoop]: Abstraction has 528 states and 656 transitions. [2021-07-14 00:27:22,156 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:22,156 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 656 transitions. [2021-07-14 00:27:22,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:27:22,157 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:27:22,157 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:27:22,157 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-07-14 00:27:22,157 INFO L430 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:27:22,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:27:22,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1817665297, now seen corresponding path program 48 times [2021-07-14 00:27:22,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:27:22,157 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946149648] [2021-07-14 00:27:22,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:27:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:27:22,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:22,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:27:22,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:22,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:27:22,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:22,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:27:22,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:22,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:27:22,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:22,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:27:22,283 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-14 00:27:22,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:27:22,306 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-14 00:27:22,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:27:22,346 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-14 00:27:22,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:27:22,391 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-14 00:27:22,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:27:22,409 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-14 00:27:22,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:27:22,427 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:27:22,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:27:22,445 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-14 00:27:22,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:27:22,466 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-14 00:27:22,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:27:22,488 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:27:22,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:22,508 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:27:22,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:22,529 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:27:22,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:22,551 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:27:22,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:22,574 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:27:22,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:22,604 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:27:22,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:27:22,633 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.8 percent of original size [2021-07-14 00:27:22,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:27:22,651 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:27:22,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:22,678 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:27:22,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:27:22,705 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:27:22,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:27:22,735 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:27:22,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:22,766 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:27:22,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:22,799 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:27:22,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:22,832 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-14 00:27:22,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:27:22,867 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:27:22,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:27:22,900 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:27:22,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:22,927 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-14 00:27:22,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:27:22,958 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:27:22,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:22,991 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:27:22,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:22,992 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-14 00:27:22,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:27:23,022 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:27:23,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:27:23,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:23,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:27:23,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:23,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:27:23,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:23,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:27:23,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:23,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:27:23,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:27:23,133 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:27:23,133 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946149648] [2021-07-14 00:27:23,133 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946149648] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:27:23,133 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:27:23,133 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:27:23,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038601500] [2021-07-14 00:27:23,133 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:27:23,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:27:23,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:27:23,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:27:23,134 INFO L87 Difference]: Start difference. First operand 528 states and 656 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:24,188 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2021-07-14 00:27:24,340 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-07-14 00:27:24,510 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-14 00:27:24,798 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-07-14 00:27:25,068 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 76 [2021-07-14 00:27:25,315 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 80 [2021-07-14 00:27:25,859 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-14 00:27:26,037 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-14 00:27:26,229 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-14 00:27:26,389 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-07-14 00:27:26,621 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-14 00:27:27,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:27:27,439 INFO L93 Difference]: Finished difference Result 646 states and 813 transitions. [2021-07-14 00:27:27,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 00:27:27,439 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:27:27,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:27:27,440 INFO L225 Difference]: With dead ends: 646 [2021-07-14 00:27:27,440 INFO L226 Difference]: Without dead ends: 534 [2021-07-14 00:27:27,440 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 637 ImplicationChecksByTransitivity, 4234.3ms TimeCoverageRelationStatistics Valid=713, Invalid=3709, Unknown=0, NotChecked=0, Total=4422 [2021-07-14 00:27:27,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2021-07-14 00:27:27,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 527. [2021-07-14 00:27:27,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 526 states have (on average 1.2433460076045628) internal successors, (654), 526 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:27,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 654 transitions. [2021-07-14 00:27:27,444 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 654 transitions. Word has length 120 [2021-07-14 00:27:27,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:27:27,445 INFO L482 AbstractCegarLoop]: Abstraction has 527 states and 654 transitions. [2021-07-14 00:27:27,445 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:27,445 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 654 transitions. [2021-07-14 00:27:27,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:27:27,445 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:27:27,445 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:27:27,446 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-07-14 00:27:27,446 INFO L430 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:27:27,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:27:27,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1528859807, now seen corresponding path program 49 times [2021-07-14 00:27:27,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:27:27,446 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162363128] [2021-07-14 00:27:27,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:27:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:27:27,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:27,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:27:27,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:27,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:27:27,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:27,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:27:27,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:27,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:27:27,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:27,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:27:27,586 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-14 00:27:27,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:27:27,610 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-14 00:27:27,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:27:27,646 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-14 00:27:27,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:27:27,684 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-14 00:27:27,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:27:27,701 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-14 00:27:27,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:27:27,719 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:27:27,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:27:27,736 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-14 00:27:27,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:27:27,756 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-14 00:27:27,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:27:27,776 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:27:27,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:27,797 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:27:27,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:27,817 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:27:27,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:27,838 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:27:27,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:27,861 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:27:27,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:27,884 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:27:27,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:27:27,912 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.8 percent of original size [2021-07-14 00:27:27,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:27:27,930 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:27:27,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:27,962 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:27:27,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:27:27,990 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:27:27,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:28,019 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:27:28,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:28,051 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:27:28,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:28,084 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:27:28,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:28,117 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-14 00:27:28,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:27:28,152 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:27:28,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:27:28,184 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:27:28,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:28,210 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-14 00:27:28,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:27:28,240 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:27:28,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:28,272 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:27:28,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:28,273 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-14 00:27:28,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:27:28,302 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:27:28,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:27:28,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:28,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:27:28,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:28,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:27:28,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:28,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:27:28,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:28,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:27:28,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:27:28,428 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:27:28,428 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162363128] [2021-07-14 00:27:28,428 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162363128] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:27:28,428 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:27:28,428 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:27:28,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410301291] [2021-07-14 00:27:28,428 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:27:28,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:27:28,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:27:28,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:27:28,429 INFO L87 Difference]: Start difference. First operand 527 states and 654 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:29,484 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2021-07-14 00:27:29,644 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-07-14 00:27:29,812 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-14 00:27:30,083 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-07-14 00:27:30,360 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 76 [2021-07-14 00:27:30,807 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-14 00:27:30,984 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-14 00:27:31,170 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-14 00:27:31,347 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2021-07-14 00:27:31,597 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-14 00:27:32,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:27:32,447 INFO L93 Difference]: Finished difference Result 639 states and 804 transitions. [2021-07-14 00:27:32,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 00:27:32,447 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:27:32,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:27:32,448 INFO L225 Difference]: With dead ends: 639 [2021-07-14 00:27:32,448 INFO L226 Difference]: Without dead ends: 429 [2021-07-14 00:27:32,448 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 594 ImplicationChecksByTransitivity, 3959.6ms TimeCoverageRelationStatistics Valid=653, Invalid=3507, Unknown=0, NotChecked=0, Total=4160 [2021-07-14 00:27:32,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2021-07-14 00:27:32,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2021-07-14 00:27:32,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 428 states have (on average 1.2710280373831775) internal successors, (544), 428 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:32,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 544 transitions. [2021-07-14 00:27:32,452 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 544 transitions. Word has length 120 [2021-07-14 00:27:32,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:27:32,452 INFO L482 AbstractCegarLoop]: Abstraction has 429 states and 544 transitions. [2021-07-14 00:27:32,452 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:32,452 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 544 transitions. [2021-07-14 00:27:32,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:27:32,452 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:27:32,453 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:27:32,453 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-07-14 00:27:32,453 INFO L430 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:27:32,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:27:32,453 INFO L82 PathProgramCache]: Analyzing trace with hash -11418625, now seen corresponding path program 50 times [2021-07-14 00:27:32,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:27:32,453 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653530719] [2021-07-14 00:27:32,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:27:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:27:32,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:32,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:27:32,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:32,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:27:32,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:32,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:27:32,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:32,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:27:32,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:32,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:27:32,579 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-14 00:27:32,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:27:32,590 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-14 00:27:32,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:27:32,608 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-14 00:27:32,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:27:32,643 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-14 00:27:32,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:27:32,659 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-14 00:27:32,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:27:32,676 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-14 00:27:32,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:27:32,693 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-14 00:27:32,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:27:32,713 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-14 00:27:32,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:27:32,733 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:27:32,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:32,753 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:27:32,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:32,773 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:27:32,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:27:32,795 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:27:32,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:27:32,820 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:27:32,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:27:32,846 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:27:32,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:27:32,875 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-07-14 00:27:32,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-14 00:27:32,929 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:27:32,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:27:32,950 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:27:32,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:27:32,996 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:27:32,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:27:33,043 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:27:33,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:27:33,109 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-14 00:27:33,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:33,152 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-14 00:27:33,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:27:33,194 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-14 00:27:33,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:33,238 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-14 00:27:33,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:33,271 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:27:33,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:27:33,300 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:27:33,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:33,301 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:27:33,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:27:33,333 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:27:33,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:33,370 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:27:33,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:27:33,402 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:27:33,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:27:33,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:33,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:27:33,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:33,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:27:33,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:33,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:27:33,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:33,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:27:33,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:27:33,512 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:27:33,512 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653530719] [2021-07-14 00:27:33,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653530719] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:27:33,512 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:27:33,512 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:27:33,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370945492] [2021-07-14 00:27:33,513 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:27:33,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:27:33,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:27:33,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:27:33,513 INFO L87 Difference]: Start difference. First operand 429 states and 544 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:34,650 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 62 [2021-07-14 00:27:34,825 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2021-07-14 00:27:35,010 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2021-07-14 00:27:35,212 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2021-07-14 00:27:35,588 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-07-14 00:27:35,871 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2021-07-14 00:27:36,237 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-07-14 00:27:36,569 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 91 [2021-07-14 00:27:36,905 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-14 00:27:38,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:27:38,369 INFO L93 Difference]: Finished difference Result 538 states and 691 transitions. [2021-07-14 00:27:38,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 00:27:38,369 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:27:38,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:27:38,370 INFO L225 Difference]: With dead ends: 538 [2021-07-14 00:27:38,370 INFO L226 Difference]: Without dead ends: 427 [2021-07-14 00:27:38,370 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 558 ImplicationChecksByTransitivity, 4696.4ms TimeCoverageRelationStatistics Valid=729, Invalid=3431, Unknown=0, NotChecked=0, Total=4160 [2021-07-14 00:27:38,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2021-07-14 00:27:38,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 427. [2021-07-14 00:27:38,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 426 states have (on average 1.267605633802817) internal successors, (540), 426 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:38,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 540 transitions. [2021-07-14 00:27:38,374 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 540 transitions. Word has length 120 [2021-07-14 00:27:38,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:27:38,374 INFO L482 AbstractCegarLoop]: Abstraction has 427 states and 540 transitions. [2021-07-14 00:27:38,374 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:38,374 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 540 transitions. [2021-07-14 00:27:38,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:27:38,374 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:27:38,375 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:27:38,375 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-07-14 00:27:38,375 INFO L430 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:27:38,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:27:38,375 INFO L82 PathProgramCache]: Analyzing trace with hash 336718145, now seen corresponding path program 51 times [2021-07-14 00:27:38,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:27:38,375 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003462680] [2021-07-14 00:27:38,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:27:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:27:38,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:38,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:27:38,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:38,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:27:38,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:38,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:27:38,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:38,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:27:38,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:38,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:27:38,571 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-14 00:27:38,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:27:38,584 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-14 00:27:38,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:27:38,605 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-14 00:27:38,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:27:38,646 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-14 00:27:38,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:27:38,666 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-14 00:27:38,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:27:38,687 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-14 00:27:38,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:27:38,708 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-14 00:27:38,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:27:38,731 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-14 00:27:38,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:27:38,755 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:27:38,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:38,779 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:27:38,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:38,802 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:27:38,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:27:38,826 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:27:38,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:27:38,852 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:27:38,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:27:38,879 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:27:38,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:27:38,907 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-07-14 00:27:38,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-14 00:27:38,969 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:27:38,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:27:38,992 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:27:38,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:27:39,041 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:27:39,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:27:39,090 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:27:39,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:27:39,154 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:27:39,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:27:39,217 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-14 00:27:39,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:27:39,263 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-14 00:27:39,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:39,311 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-14 00:27:39,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:39,346 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:27:39,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:27:39,375 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:27:39,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:39,376 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:27:39,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:27:39,409 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:27:39,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:39,444 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:27:39,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:27:39,476 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:27:39,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:27:39,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:39,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:27:39,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:39,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:27:39,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:39,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:27:39,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:39,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:27:39,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:27:39,600 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:27:39,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003462680] [2021-07-14 00:27:39,600 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003462680] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:27:39,600 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:27:39,600 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:27:39,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155576859] [2021-07-14 00:27:39,601 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:27:39,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:27:39,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:27:39,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:27:39,601 INFO L87 Difference]: Start difference. First operand 427 states and 540 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:40,765 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 62 [2021-07-14 00:27:40,942 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2021-07-14 00:27:41,127 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2021-07-14 00:27:41,334 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2021-07-14 00:27:41,694 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-07-14 00:27:41,975 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2021-07-14 00:27:42,335 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-07-14 00:27:42,651 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 89 [2021-07-14 00:27:42,970 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-14 00:27:43,261 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2021-07-14 00:27:44,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:27:44,643 INFO L93 Difference]: Finished difference Result 541 states and 694 transitions. [2021-07-14 00:27:44,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 00:27:44,643 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:27:44,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:27:44,644 INFO L225 Difference]: With dead ends: 541 [2021-07-14 00:27:44,644 INFO L226 Difference]: Without dead ends: 430 [2021-07-14 00:27:44,644 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 610 ImplicationChecksByTransitivity, 5053.3ms TimeCoverageRelationStatistics Valid=767, Invalid=3655, Unknown=0, NotChecked=0, Total=4422 [2021-07-14 00:27:44,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2021-07-14 00:27:44,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 427. [2021-07-14 00:27:44,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 426 states have (on average 1.2652582159624413) internal successors, (539), 426 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:44,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 539 transitions. [2021-07-14 00:27:44,647 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 539 transitions. Word has length 120 [2021-07-14 00:27:44,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:27:44,648 INFO L482 AbstractCegarLoop]: Abstraction has 427 states and 539 transitions. [2021-07-14 00:27:44,648 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:44,648 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 539 transitions. [2021-07-14 00:27:44,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:27:44,648 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:27:44,648 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:27:44,648 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-07-14 00:27:44,649 INFO L430 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:27:44,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:27:44,649 INFO L82 PathProgramCache]: Analyzing trace with hash -2054895969, now seen corresponding path program 52 times [2021-07-14 00:27:44,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:27:44,649 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431939170] [2021-07-14 00:27:44,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:27:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:27:44,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:44,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:27:44,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:44,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:27:44,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:44,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:27:44,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:44,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:27:44,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:44,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:27:44,778 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-14 00:27:44,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:27:44,804 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-14 00:27:44,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:27:44,859 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-14 00:27:44,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:27:44,903 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-14 00:27:44,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:27:44,922 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-14 00:27:44,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:27:44,942 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:27:44,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:27:44,962 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-14 00:27:44,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:27:44,985 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-14 00:27:44,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:27:45,009 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:27:45,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:45,032 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:27:45,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:45,056 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:27:45,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:27:45,080 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:27:45,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:27:45,106 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:27:45,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:27:45,132 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:27:45,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:27:45,161 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-14 00:27:45,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:27:45,193 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:27:45,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:45,214 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:27:45,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:45,246 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:27:45,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:45,279 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:27:45,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:45,313 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:27:45,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:27:45,344 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:27:45,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:45,378 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-14 00:27:45,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:27:45,412 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:27:45,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:27:45,444 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:27:45,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:45,469 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-14 00:27:45,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:27:45,498 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:27:45,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:45,529 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:27:45,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:45,530 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-14 00:27:45,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:27:45,558 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:27:45,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:27:45,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:45,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:27:45,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:45,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:27:45,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:45,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:27:45,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:45,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:27:45,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:27:45,663 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:27:45,664 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431939170] [2021-07-14 00:27:45,664 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431939170] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:27:45,664 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:27:45,664 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:27:45,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603215190] [2021-07-14 00:27:45,664 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:27:45,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:27:45,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:27:45,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:27:45,665 INFO L87 Difference]: Start difference. First operand 427 states and 539 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:46,837 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 65 [2021-07-14 00:27:47,010 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-07-14 00:27:47,183 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-14 00:27:47,492 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-14 00:27:47,734 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-14 00:27:48,046 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 86 [2021-07-14 00:27:48,314 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 88 [2021-07-14 00:27:49,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:27:49,733 INFO L93 Difference]: Finished difference Result 535 states and 685 transitions. [2021-07-14 00:27:49,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 00:27:49,734 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:27:49,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:27:49,734 INFO L225 Difference]: With dead ends: 535 [2021-07-14 00:27:49,734 INFO L226 Difference]: Without dead ends: 425 [2021-07-14 00:27:49,735 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 570 ImplicationChecksByTransitivity, 4057.9ms TimeCoverageRelationStatistics Valid=704, Invalid=3456, Unknown=0, NotChecked=0, Total=4160 [2021-07-14 00:27:49,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2021-07-14 00:27:49,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2021-07-14 00:27:49,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 424 states have (on average 1.2641509433962264) internal successors, (536), 424 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:49,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 536 transitions. [2021-07-14 00:27:49,738 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 536 transitions. Word has length 120 [2021-07-14 00:27:49,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:27:49,738 INFO L482 AbstractCegarLoop]: Abstraction has 425 states and 536 transitions. [2021-07-14 00:27:49,738 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:49,738 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 536 transitions. [2021-07-14 00:27:49,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:27:49,739 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:27:49,739 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:27:49,739 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-07-14 00:27:49,739 INFO L430 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:27:49,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:27:49,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1526046719, now seen corresponding path program 53 times [2021-07-14 00:27:49,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:27:49,739 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088766239] [2021-07-14 00:27:49,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:27:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:27:49,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:49,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:27:49,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:49,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:27:49,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:49,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:27:49,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:49,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:27:49,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:49,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:27:49,876 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-14 00:27:49,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:27:49,887 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-14 00:27:49,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:27:49,904 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-14 00:27:49,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:27:49,944 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-14 00:27:49,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:27:49,965 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-14 00:27:49,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:27:49,985 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-14 00:27:49,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:27:50,005 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-14 00:27:50,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:27:50,027 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-14 00:27:50,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:27:50,051 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:27:50,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:50,074 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:27:50,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:50,096 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:27:50,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:27:50,120 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:27:50,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:27:50,145 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:27:50,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:27:50,171 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:27:50,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:27:50,200 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-07-14 00:27:50,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-14 00:27:50,255 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:27:50,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:27:50,276 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:27:50,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:27:50,318 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:27:50,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:27:50,363 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:27:50,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:27:50,408 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:27:50,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:27:50,469 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-14 00:27:50,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:27:50,512 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-14 00:27:50,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:50,556 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-14 00:27:50,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:50,588 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:27:50,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:27:50,621 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:27:50,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:50,622 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:27:50,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:27:50,652 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:27:50,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:50,683 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:27:50,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:27:50,712 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:27:50,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:27:50,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:50,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:27:50,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:50,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:27:50,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:50,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:27:50,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:50,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:27:50,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:27:50,817 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:27:50,817 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088766239] [2021-07-14 00:27:50,817 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088766239] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:27:50,817 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:27:50,817 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:27:50,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896452327] [2021-07-14 00:27:50,817 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:27:50,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:27:50,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:27:50,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:27:50,818 INFO L87 Difference]: Start difference. First operand 425 states and 536 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:52,021 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2021-07-14 00:27:52,191 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2021-07-14 00:27:52,373 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2021-07-14 00:27:52,702 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-07-14 00:27:52,951 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2021-07-14 00:27:53,236 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 85 [2021-07-14 00:27:53,627 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 89 [2021-07-14 00:27:53,908 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-14 00:27:54,197 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-07-14 00:27:55,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:27:55,454 INFO L93 Difference]: Finished difference Result 545 states and 698 transitions. [2021-07-14 00:27:55,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 00:27:55,454 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:27:55,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:27:55,455 INFO L225 Difference]: With dead ends: 545 [2021-07-14 00:27:55,455 INFO L226 Difference]: Without dead ends: 431 [2021-07-14 00:27:55,455 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 635 ImplicationChecksByTransitivity, 4633.9ms TimeCoverageRelationStatistics Valid=791, Invalid=3765, Unknown=0, NotChecked=0, Total=4556 [2021-07-14 00:27:55,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2021-07-14 00:27:55,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 426. [2021-07-14 00:27:55,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 425 states have (on average 1.2635294117647058) internal successors, (537), 425 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:55,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 537 transitions. [2021-07-14 00:27:55,458 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 537 transitions. Word has length 120 [2021-07-14 00:27:55,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:27:55,458 INFO L482 AbstractCegarLoop]: Abstraction has 426 states and 537 transitions. [2021-07-14 00:27:55,459 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:55,459 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 537 transitions. [2021-07-14 00:27:55,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:27:55,459 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:27:55,459 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:27:55,459 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-07-14 00:27:55,459 INFO L430 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:27:55,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:27:55,460 INFO L82 PathProgramCache]: Analyzing trace with hash 2117015333, now seen corresponding path program 54 times [2021-07-14 00:27:55,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:27:55,460 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311838168] [2021-07-14 00:27:55,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:27:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:27:55,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:55,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:27:55,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:55,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:27:55,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:55,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:27:55,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:55,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:27:55,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:55,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:27:55,587 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-14 00:27:55,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:27:55,610 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-14 00:27:55,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:27:55,647 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-14 00:27:55,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:27:55,687 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-14 00:27:55,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:27:55,703 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-14 00:27:55,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:27:55,720 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:27:55,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:27:55,737 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-14 00:27:55,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:27:55,757 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-14 00:27:55,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:27:55,778 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:27:55,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:55,798 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:27:55,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:27:55,818 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:27:55,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:27:55,851 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:27:55,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:27:55,875 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:27:55,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:27:55,899 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:27:55,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:27:55,924 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-14 00:27:55,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:27:55,952 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:27:55,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:55,971 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:27:55,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:56,000 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:27:56,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:56,029 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:27:56,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:27:56,062 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:27:56,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:27:56,093 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:27:56,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:27:56,128 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-14 00:27:56,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:27:56,162 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:27:56,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:27:56,194 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:27:56,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:56,219 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-14 00:27:56,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:27:56,265 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:27:56,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:56,298 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:27:56,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:27:56,299 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-14 00:27:56,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:27:56,328 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:27:56,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:27:56,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:56,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:27:56,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:56,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:27:56,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:56,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:27:56,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:27:56,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:27:56,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:27:56,439 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:27:56,439 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311838168] [2021-07-14 00:27:56,439 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311838168] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:27:56,439 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:27:56,439 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:27:56,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88692951] [2021-07-14 00:27:56,439 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:27:56,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:27:56,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:27:56,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:27:56,440 INFO L87 Difference]: Start difference. First operand 426 states and 537 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:27:57,625 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 65 [2021-07-14 00:27:57,786 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-07-14 00:27:57,959 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-14 00:27:58,281 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-14 00:27:58,534 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-14 00:27:58,802 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 84 [2021-07-14 00:27:59,187 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 88 [2021-07-14 00:27:59,608 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-14 00:28:00,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:28:00,747 INFO L93 Difference]: Finished difference Result 539 states and 689 transitions. [2021-07-14 00:28:00,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 00:28:00,748 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:28:00,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:28:00,748 INFO L225 Difference]: With dead ends: 539 [2021-07-14 00:28:00,748 INFO L226 Difference]: Without dead ends: 430 [2021-07-14 00:28:00,749 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 620 ImplicationChecksByTransitivity, 4240.7ms TimeCoverageRelationStatistics Valid=745, Invalid=3677, Unknown=0, NotChecked=0, Total=4422 [2021-07-14 00:28:00,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2021-07-14 00:28:00,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 425. [2021-07-14 00:28:00,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 424 states have (on average 1.2617924528301887) internal successors, (535), 424 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:00,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 535 transitions. [2021-07-14 00:28:00,752 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 535 transitions. Word has length 120 [2021-07-14 00:28:00,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:28:00,752 INFO L482 AbstractCegarLoop]: Abstraction has 425 states and 535 transitions. [2021-07-14 00:28:00,752 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:00,752 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 535 transitions. [2021-07-14 00:28:00,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:28:00,753 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:28:00,753 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:28:00,753 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-07-14 00:28:00,753 INFO L430 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:28:00,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:28:00,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1737320579, now seen corresponding path program 55 times [2021-07-14 00:28:00,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:28:00,754 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470272689] [2021-07-14 00:28:00,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:28:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:28:00,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:00,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:28:00,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:00,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:28:00,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:00,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:28:00,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:00,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:28:00,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:00,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:28:00,880 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-14 00:28:00,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:28:00,901 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-14 00:28:00,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:28:00,941 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-14 00:28:00,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:28:00,992 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-14 00:28:00,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:28:01,010 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-14 00:28:01,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:28:01,030 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:28:01,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:28:01,049 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-14 00:28:01,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:28:01,071 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-14 00:28:01,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:28:01,094 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:28:01,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:28:01,117 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:28:01,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:28:01,138 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:01,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:01,160 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:01,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:01,182 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:01,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:01,206 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:01,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:01,231 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-14 00:28:01,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:28:01,260 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:28:01,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:01,280 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:28:01,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:01,313 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:28:01,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:01,343 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:28:01,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:28:01,373 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:28:01,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:01,405 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:28:01,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:01,440 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-14 00:28:01,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:28:01,477 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:28:01,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:28:01,510 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:28:01,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:01,536 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-14 00:28:01,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:28:01,567 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:28:01,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:01,600 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:28:01,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:01,601 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-14 00:28:01,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:28:01,631 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:28:01,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:28:01,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:01,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:28:01,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:01,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:28:01,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:01,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:28:01,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:01,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:28:01,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:28:01,739 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:28:01,739 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470272689] [2021-07-14 00:28:01,739 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470272689] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:28:01,739 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:28:01,739 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:28:01,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244544028] [2021-07-14 00:28:01,740 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:28:01,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:28:01,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:28:01,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:28:01,740 INFO L87 Difference]: Start difference. First operand 425 states and 535 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:02,952 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 65 [2021-07-14 00:28:03,123 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-07-14 00:28:03,305 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-14 00:28:03,628 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-14 00:28:03,869 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-14 00:28:04,143 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 84 [2021-07-14 00:28:04,599 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-14 00:28:04,736 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-07-14 00:28:04,946 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-14 00:28:05,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:28:05,783 INFO L93 Difference]: Finished difference Result 535 states and 683 transitions. [2021-07-14 00:28:05,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 00:28:05,784 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:28:05,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:28:05,784 INFO L225 Difference]: With dead ends: 535 [2021-07-14 00:28:05,784 INFO L226 Difference]: Without dead ends: 421 [2021-07-14 00:28:05,785 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 580 ImplicationChecksByTransitivity, 3970.6ms TimeCoverageRelationStatistics Valid=683, Invalid=3477, Unknown=0, NotChecked=0, Total=4160 [2021-07-14 00:28:05,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-07-14 00:28:05,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2021-07-14 00:28:05,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.2571428571428571) internal successors, (528), 420 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:05,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 528 transitions. [2021-07-14 00:28:05,788 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 528 transitions. Word has length 120 [2021-07-14 00:28:05,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:28:05,788 INFO L482 AbstractCegarLoop]: Abstraction has 421 states and 528 transitions. [2021-07-14 00:28:05,788 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:05,788 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 528 transitions. [2021-07-14 00:28:05,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:28:05,789 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:28:05,789 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:28:05,789 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-07-14 00:28:05,789 INFO L430 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:28:05,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:28:05,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1860406271, now seen corresponding path program 56 times [2021-07-14 00:28:05,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:28:05,789 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722666786] [2021-07-14 00:28:05,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:28:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:28:05,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:05,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:28:05,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:05,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:28:05,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:05,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:28:05,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:05,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:28:05,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:05,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:28:05,927 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-14 00:28:05,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:28:05,939 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-14 00:28:05,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:28:05,958 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-14 00:28:05,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:28:05,994 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-14 00:28:05,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:28:06,011 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-14 00:28:06,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:28:06,030 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-14 00:28:06,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:06,048 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-14 00:28:06,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:28:06,071 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-14 00:28:06,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:28:06,093 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:28:06,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:06,115 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:28:06,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:06,137 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:28:06,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:06,158 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:28:06,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:06,181 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:28:06,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:06,205 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:28:06,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:06,230 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-07-14 00:28:06,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-14 00:28:06,286 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:28:06,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:28:06,307 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:28:06,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:28:06,349 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:28:06,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:28:06,391 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:28:06,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:28:06,433 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:28:06,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:28:06,489 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-14 00:28:06,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:28:06,529 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-14 00:28:06,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:06,572 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-14 00:28:06,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:06,602 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:28:06,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:28:06,627 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:28:06,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:06,628 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:28:06,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:28:06,657 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:28:06,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:06,689 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:28:06,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:28:06,724 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:28:06,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:28:06,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:06,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:28:06,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:06,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:28:06,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:06,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:28:06,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:06,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:28:06,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:28:06,835 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:28:06,835 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722666786] [2021-07-14 00:28:06,835 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722666786] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:28:06,835 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:28:06,835 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:28:06,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756306447] [2021-07-14 00:28:06,836 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:28:06,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:28:06,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:28:06,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:28:06,836 INFO L87 Difference]: Start difference. First operand 421 states and 528 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:08,034 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2021-07-14 00:28:08,201 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2021-07-14 00:28:08,382 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2021-07-14 00:28:08,708 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-07-14 00:28:08,949 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 81 [2021-07-14 00:28:09,204 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 85 [2021-07-14 00:28:09,734 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 89 [2021-07-14 00:28:10,022 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-14 00:28:10,174 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2021-07-14 00:28:10,352 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2021-07-14 00:28:10,507 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2021-07-14 00:28:11,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:28:11,595 INFO L93 Difference]: Finished difference Result 544 states and 694 transitions. [2021-07-14 00:28:11,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 00:28:11,595 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:28:11,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:28:11,595 INFO L225 Difference]: With dead ends: 544 [2021-07-14 00:28:11,596 INFO L226 Difference]: Without dead ends: 430 [2021-07-14 00:28:11,596 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 4771.6ms TimeCoverageRelationStatistics Valid=818, Invalid=3874, Unknown=0, NotChecked=0, Total=4692 [2021-07-14 00:28:11,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2021-07-14 00:28:11,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 424. [2021-07-14 00:28:11,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 423 states have (on average 1.260047281323877) internal successors, (533), 423 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:11,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 533 transitions. [2021-07-14 00:28:11,599 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 533 transitions. Word has length 120 [2021-07-14 00:28:11,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:28:11,599 INFO L482 AbstractCegarLoop]: Abstraction has 424 states and 533 transitions. [2021-07-14 00:28:11,599 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:11,599 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 533 transitions. [2021-07-14 00:28:11,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:28:11,600 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:28:11,600 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:28:11,600 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-07-14 00:28:11,600 INFO L430 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:28:11,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:28:11,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1218747335, now seen corresponding path program 57 times [2021-07-14 00:28:11,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:28:11,601 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973473870] [2021-07-14 00:28:11,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:28:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:28:11,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:11,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:28:11,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:11,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:28:11,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:11,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:28:11,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:11,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:28:11,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:11,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:28:11,728 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-14 00:28:11,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:28:11,750 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-14 00:28:11,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:28:11,782 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-14 00:28:11,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:28:11,820 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-14 00:28:11,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:28:11,837 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-14 00:28:11,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:28:11,855 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:28:11,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:28:11,872 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-14 00:28:11,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:28:11,892 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-14 00:28:11,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:28:11,912 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:28:11,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:28:11,932 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:28:11,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:28:11,952 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:11,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:11,974 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:11,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:11,996 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:11,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:12,020 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:12,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:12,044 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-14 00:28:12,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:28:12,072 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:28:12,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:12,091 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:28:12,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:12,120 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:28:12,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:28:12,149 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:28:12,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:28:12,179 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:28:12,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:28:12,211 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:28:12,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:12,245 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-14 00:28:12,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:28:12,281 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:28:12,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:28:12,312 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:28:12,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:12,338 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-14 00:28:12,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:28:12,376 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:28:12,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:12,409 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:28:12,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:12,410 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-14 00:28:12,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:28:12,440 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:28:12,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:28:12,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:12,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:28:12,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:12,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:28:12,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:12,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:28:12,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:12,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:28:12,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:28:12,549 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:28:12,549 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973473870] [2021-07-14 00:28:12,549 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973473870] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:28:12,549 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:28:12,549 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:28:12,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196401434] [2021-07-14 00:28:12,550 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:28:12,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:28:12,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:28:12,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:28:12,550 INFO L87 Difference]: Start difference. First operand 424 states and 533 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:13,754 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 65 [2021-07-14 00:28:13,918 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-07-14 00:28:14,099 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-14 00:28:14,418 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-14 00:28:14,652 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 80 [2021-07-14 00:28:14,908 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 84 [2021-07-14 00:28:15,422 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 88 [2021-07-14 00:28:15,581 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-14 00:28:15,887 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-14 00:28:17,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:28:17,032 INFO L93 Difference]: Finished difference Result 538 states and 686 transitions. [2021-07-14 00:28:17,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 00:28:17,032 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:28:17,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:28:17,033 INFO L225 Difference]: With dead ends: 538 [2021-07-14 00:28:17,033 INFO L226 Difference]: Without dead ends: 429 [2021-07-14 00:28:17,033 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 645 ImplicationChecksByTransitivity, 4402.0ms TimeCoverageRelationStatistics Valid=771, Invalid=3785, Unknown=0, NotChecked=0, Total=4556 [2021-07-14 00:28:17,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2021-07-14 00:28:17,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 423. [2021-07-14 00:28:17,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 422 states have (on average 1.2582938388625593) internal successors, (531), 422 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:17,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 531 transitions. [2021-07-14 00:28:17,037 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 531 transitions. Word has length 120 [2021-07-14 00:28:17,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:28:17,037 INFO L482 AbstractCegarLoop]: Abstraction has 423 states and 531 transitions. [2021-07-14 00:28:17,037 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:17,037 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 531 transitions. [2021-07-14 00:28:17,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:28:17,037 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:28:17,037 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:28:17,037 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-07-14 00:28:17,038 INFO L430 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:28:17,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:28:17,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1659378719, now seen corresponding path program 58 times [2021-07-14 00:28:17,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:28:17,038 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56162536] [2021-07-14 00:28:17,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:28:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:28:17,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:17,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:28:17,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:17,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:28:17,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:17,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:28:17,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:17,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:28:17,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:17,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:28:17,169 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-14 00:28:17,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:28:17,191 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-14 00:28:17,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:28:17,225 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-14 00:28:17,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:28:17,266 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-14 00:28:17,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:28:17,283 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-14 00:28:17,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:28:17,301 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:28:17,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:28:17,319 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-14 00:28:17,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:28:17,339 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-14 00:28:17,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:28:17,360 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:28:17,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:28:17,380 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:28:17,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:28:17,400 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:17,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:17,421 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:17,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:17,443 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:17,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:17,467 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:17,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:17,492 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-14 00:28:17,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:28:17,520 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:28:17,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:17,539 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:28:17,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:17,574 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:28:17,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:28:17,603 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:28:17,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:28:17,633 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:28:17,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:17,665 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:28:17,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:17,698 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-14 00:28:17,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:28:17,732 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:28:17,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:28:17,764 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:28:17,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:17,788 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-14 00:28:17,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:28:17,818 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:28:17,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:17,853 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:28:17,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:17,854 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-14 00:28:17,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:28:17,885 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:28:17,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:28:17,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:17,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:28:17,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:17,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:28:17,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:17,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:28:17,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:17,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:28:17,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:28:17,992 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:28:17,992 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56162536] [2021-07-14 00:28:17,992 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56162536] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:28:17,992 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:28:17,992 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:28:17,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666390453] [2021-07-14 00:28:17,992 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:28:17,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:28:17,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:28:17,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:28:17,993 INFO L87 Difference]: Start difference. First operand 423 states and 531 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:19,080 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 61 [2021-07-14 00:28:19,265 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 65 [2021-07-14 00:28:19,433 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-07-14 00:28:19,615 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-14 00:28:19,928 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-14 00:28:20,169 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 80 [2021-07-14 00:28:20,432 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 84 [2021-07-14 00:28:21,003 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-14 00:28:21,183 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-14 00:28:21,327 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-07-14 00:28:21,541 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-14 00:28:22,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:28:22,418 INFO L93 Difference]: Finished difference Result 539 states and 686 transitions. [2021-07-14 00:28:22,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 00:28:22,419 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:28:22,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:28:22,419 INFO L225 Difference]: With dead ends: 539 [2021-07-14 00:28:22,419 INFO L226 Difference]: Without dead ends: 427 [2021-07-14 00:28:22,420 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630 ImplicationChecksByTransitivity, 4284.4ms TimeCoverageRelationStatistics Valid=727, Invalid=3695, Unknown=0, NotChecked=0, Total=4422 [2021-07-14 00:28:22,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2021-07-14 00:28:22,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 421. [2021-07-14 00:28:22,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.2547619047619047) internal successors, (527), 420 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:22,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 527 transitions. [2021-07-14 00:28:22,423 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 527 transitions. Word has length 120 [2021-07-14 00:28:22,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:28:22,423 INFO L482 AbstractCegarLoop]: Abstraction has 421 states and 527 transitions. [2021-07-14 00:28:22,423 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:22,423 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 527 transitions. [2021-07-14 00:28:22,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:28:22,424 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:28:22,424 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:28:22,424 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-07-14 00:28:22,424 INFO L430 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:28:22,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:28:22,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1401274237, now seen corresponding path program 59 times [2021-07-14 00:28:22,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:28:22,425 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371434982] [2021-07-14 00:28:22,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:28:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:28:22,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:22,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:28:22,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:22,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:28:22,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:22,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:28:22,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:22,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:28:22,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:22,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:28:22,557 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-14 00:28:22,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:28:22,583 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-14 00:28:22,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:28:22,620 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-14 00:28:22,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:28:22,664 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-14 00:28:22,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:28:22,681 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-14 00:28:22,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:28:22,699 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:28:22,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:28:22,717 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-14 00:28:22,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:28:22,737 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-14 00:28:22,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:28:22,757 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:28:22,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:28:22,778 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:28:22,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:28:22,799 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:22,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:22,820 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:22,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:22,843 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:22,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:22,868 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:22,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:22,901 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-14 00:28:22,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:28:22,932 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:28:22,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:22,954 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:28:22,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:22,987 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:28:22,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:28:23,017 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:28:23,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:23,049 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:28:23,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:23,082 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:28:23,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:23,116 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-14 00:28:23,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:28:23,152 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:28:23,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:28:23,188 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:28:23,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:23,216 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-14 00:28:23,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:28:23,246 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:28:23,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:23,277 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:28:23,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:23,278 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-14 00:28:23,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:28:23,306 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:28:23,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:28:23,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:23,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:28:23,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:23,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:28:23,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:23,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:28:23,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:23,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:28:23,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:28:23,411 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:28:23,411 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371434982] [2021-07-14 00:28:23,411 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371434982] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:28:23,411 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:28:23,411 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:28:23,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470531936] [2021-07-14 00:28:23,411 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:28:23,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:28:23,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:28:23,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:28:23,412 INFO L87 Difference]: Start difference. First operand 421 states and 527 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:24,614 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 65 [2021-07-14 00:28:24,793 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-07-14 00:28:24,971 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-14 00:28:25,292 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-14 00:28:25,521 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 80 [2021-07-14 00:28:25,981 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-14 00:28:26,153 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-14 00:28:26,306 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-07-14 00:28:26,533 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-14 00:28:27,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:28:27,363 INFO L93 Difference]: Finished difference Result 532 states and 676 transitions. [2021-07-14 00:28:27,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 00:28:27,364 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:28:27,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:28:27,364 INFO L225 Difference]: With dead ends: 532 [2021-07-14 00:28:27,364 INFO L226 Difference]: Without dead ends: 419 [2021-07-14 00:28:27,365 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 588 ImplicationChecksByTransitivity, 3939.4ms TimeCoverageRelationStatistics Valid=666, Invalid=3494, Unknown=0, NotChecked=0, Total=4160 [2021-07-14 00:28:27,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2021-07-14 00:28:27,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2021-07-14 00:28:27,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 418 states have (on average 1.2535885167464116) internal successors, (524), 418 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:27,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 524 transitions. [2021-07-14 00:28:27,368 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 524 transitions. Word has length 120 [2021-07-14 00:28:27,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:28:27,368 INFO L482 AbstractCegarLoop]: Abstraction has 419 states and 524 transitions. [2021-07-14 00:28:27,368 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:27,368 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 524 transitions. [2021-07-14 00:28:27,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:28:27,369 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:28:27,369 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:28:27,369 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-07-14 00:28:27,369 INFO L430 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:28:27,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:28:27,369 INFO L82 PathProgramCache]: Analyzing trace with hash 516428097, now seen corresponding path program 60 times [2021-07-14 00:28:27,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:28:27,369 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748628132] [2021-07-14 00:28:27,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:28:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:28:27,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:27,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:28:27,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:27,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:28:27,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:27,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:28:27,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:27,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:28:27,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:27,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:28:27,496 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-14 00:28:27,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:28:27,508 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-14 00:28:27,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:28:27,527 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-14 00:28:27,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:28:27,563 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-14 00:28:27,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:28:27,580 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-14 00:28:27,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:28:27,598 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-14 00:28:27,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:27,615 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-14 00:28:27,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:28:27,635 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-14 00:28:27,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:28:27,665 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:28:27,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:27,685 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:28:27,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:27,705 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:28:27,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:27,727 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:28:27,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:27,749 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:28:27,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:27,773 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:28:27,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:27,798 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-07-14 00:28:27,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-14 00:28:27,853 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:28:27,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:28:27,874 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:28:27,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:28:27,925 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:28:27,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:28:27,967 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:28:27,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:28:28,018 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:28:28,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:28:28,073 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-14 00:28:28,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:28:28,114 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-14 00:28:28,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:28,157 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-14 00:28:28,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:28,187 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:28:28,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:28:28,213 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:28:28,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:28,213 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:28:28,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:28:28,242 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:28:28,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:28,274 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:28:28,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:28:28,304 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:28:28,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:28:28,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:28,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:28:28,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:28,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:28:28,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:28,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:28:28,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:28,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:28:28,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:28:28,414 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:28:28,414 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748628132] [2021-07-14 00:28:28,414 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748628132] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:28:28,414 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:28:28,415 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:28:28,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667726684] [2021-07-14 00:28:28,415 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:28:28,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:28:28,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:28:28,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:28:28,416 INFO L87 Difference]: Start difference. First operand 419 states and 524 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:29,599 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2021-07-14 00:28:29,768 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2021-07-14 00:28:29,946 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2021-07-14 00:28:30,250 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 77 [2021-07-14 00:28:30,465 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-07-14 00:28:30,824 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 85 [2021-07-14 00:28:31,119 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2021-07-14 00:28:31,377 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 89 [2021-07-14 00:28:31,658 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 93 [2021-07-14 00:28:31,824 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2021-07-14 00:28:32,017 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2021-07-14 00:28:32,191 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 71 [2021-07-14 00:28:33,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:28:33,293 INFO L93 Difference]: Finished difference Result 526 states and 669 transitions. [2021-07-14 00:28:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 00:28:33,294 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:28:33,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:28:33,294 INFO L225 Difference]: With dead ends: 526 [2021-07-14 00:28:33,294 INFO L226 Difference]: Without dead ends: 404 [2021-07-14 00:28:33,295 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 687 ImplicationChecksByTransitivity, 4926.0ms TimeCoverageRelationStatistics Valid=848, Invalid=3982, Unknown=0, NotChecked=0, Total=4830 [2021-07-14 00:28:33,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2021-07-14 00:28:33,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2021-07-14 00:28:33,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 403 states have (on average 1.2531017369727047) internal successors, (505), 403 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:33,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 505 transitions. [2021-07-14 00:28:33,298 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 505 transitions. Word has length 120 [2021-07-14 00:28:33,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:28:33,298 INFO L482 AbstractCegarLoop]: Abstraction has 404 states and 505 transitions. [2021-07-14 00:28:33,298 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:33,298 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 505 transitions. [2021-07-14 00:28:33,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:28:33,299 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:28:33,299 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:28:33,299 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-07-14 00:28:33,299 INFO L430 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:28:33,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:28:33,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1431709019, now seen corresponding path program 61 times [2021-07-14 00:28:33,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:28:33,299 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209368045] [2021-07-14 00:28:33,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:28:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:28:33,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:33,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:28:33,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:33,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:28:33,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:33,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:28:33,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:33,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:28:33,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:33,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:28:33,438 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-14 00:28:33,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:28:33,465 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-14 00:28:33,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:28:33,502 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-14 00:28:33,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:28:33,541 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-14 00:28:33,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:28:33,557 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-14 00:28:33,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:28:33,575 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:28:33,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:28:33,592 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-14 00:28:33,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:28:33,613 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-14 00:28:33,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:28:33,634 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:28:33,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:28:33,654 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:28:33,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:28:33,675 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:33,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:33,696 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:33,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:33,718 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:33,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:33,742 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:33,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:33,767 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-14 00:28:33,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:28:33,796 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:28:33,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:33,815 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:28:33,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:28:33,843 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:28:33,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:28:33,874 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:28:33,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:28:33,904 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:28:33,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:28:33,934 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:28:33,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:33,969 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-14 00:28:33,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:28:34,009 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:28:34,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:28:34,046 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:28:34,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:34,075 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-14 00:28:34,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:28:34,109 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:28:34,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:34,145 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:28:34,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:34,146 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-14 00:28:34,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:28:34,180 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:28:34,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:28:34,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:34,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:28:34,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:34,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:28:34,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:34,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:28:34,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:34,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:28:34,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:28:34,286 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:28:34,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209368045] [2021-07-14 00:28:34,286 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209368045] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:28:34,286 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:28:34,286 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:28:34,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605692255] [2021-07-14 00:28:34,286 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:28:34,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:28:34,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:28:34,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:28:34,287 INFO L87 Difference]: Start difference. First operand 404 states and 505 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:35,527 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 65 [2021-07-14 00:28:35,699 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-07-14 00:28:35,875 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-14 00:28:36,180 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-07-14 00:28:36,402 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2021-07-14 00:28:36,763 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-07-14 00:28:37,076 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2021-07-14 00:28:37,337 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 88 [2021-07-14 00:28:37,526 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-14 00:28:37,697 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2021-07-14 00:28:37,889 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-14 00:28:39,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:28:39,070 INFO L93 Difference]: Finished difference Result 512 states and 651 transitions. [2021-07-14 00:28:39,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 00:28:39,070 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:28:39,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:28:39,071 INFO L225 Difference]: With dead ends: 512 [2021-07-14 00:28:39,071 INFO L226 Difference]: Without dead ends: 403 [2021-07-14 00:28:39,071 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 670 ImplicationChecksByTransitivity, 4677.4ms TimeCoverageRelationStatistics Valid=800, Invalid=3892, Unknown=0, NotChecked=0, Total=4692 [2021-07-14 00:28:39,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2021-07-14 00:28:39,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2021-07-14 00:28:39,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 402 states have (on average 1.2512437810945274) internal successors, (503), 402 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:39,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 503 transitions. [2021-07-14 00:28:39,074 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 503 transitions. Word has length 120 [2021-07-14 00:28:39,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:28:39,074 INFO L482 AbstractCegarLoop]: Abstraction has 403 states and 503 transitions. [2021-07-14 00:28:39,075 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:39,075 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 503 transitions. [2021-07-14 00:28:39,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:28:39,075 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:28:39,075 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:28:39,075 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-07-14 00:28:39,075 INFO L430 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:28:39,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:28:39,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1872340403, now seen corresponding path program 62 times [2021-07-14 00:28:39,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:28:39,076 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611642893] [2021-07-14 00:28:39,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:28:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:28:39,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:39,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:28:39,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:39,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:28:39,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:39,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:28:39,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:39,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:28:39,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:39,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:28:39,226 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-14 00:28:39,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:28:39,250 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-14 00:28:39,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:28:39,290 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-14 00:28:39,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:28:39,335 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-14 00:28:39,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:28:39,354 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-14 00:28:39,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:28:39,372 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:28:39,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:28:39,390 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-14 00:28:39,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:28:39,411 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-14 00:28:39,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:28:39,432 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:28:39,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:28:39,453 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:28:39,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:28:39,474 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:39,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:39,496 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:39,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:39,519 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:39,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:39,543 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:39,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:39,568 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-14 00:28:39,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:28:39,598 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:28:39,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:39,618 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:28:39,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:28:39,646 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:28:39,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:28:39,677 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:28:39,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:28:39,710 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:28:39,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:39,746 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:28:39,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:39,782 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-14 00:28:39,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:28:39,818 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:28:39,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:28:39,851 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:28:39,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:39,877 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-14 00:28:39,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:28:39,907 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:28:39,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:39,939 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:28:39,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:39,940 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-14 00:28:39,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:28:39,969 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:28:39,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:28:39,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:39,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:28:40,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:40,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:28:40,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:40,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:28:40,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:40,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:28:40,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:28:40,078 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:28:40,079 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611642893] [2021-07-14 00:28:40,079 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611642893] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:28:40,079 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:28:40,079 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:28:40,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447304566] [2021-07-14 00:28:40,079 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:28:40,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:28:40,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:28:40,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:28:40,080 INFO L87 Difference]: Start difference. First operand 403 states and 503 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:41,136 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 61 [2021-07-14 00:28:41,299 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 65 [2021-07-14 00:28:41,470 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-07-14 00:28:41,654 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-14 00:28:41,946 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-07-14 00:28:42,161 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2021-07-14 00:28:42,530 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-07-14 00:28:42,825 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-14 00:28:42,966 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2021-07-14 00:28:43,152 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-14 00:28:43,353 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-14 00:28:43,503 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-07-14 00:28:43,718 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-14 00:28:44,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:28:44,551 INFO L93 Difference]: Finished difference Result 513 states and 651 transitions. [2021-07-14 00:28:44,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 00:28:44,551 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:28:44,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:28:44,551 INFO L225 Difference]: With dead ends: 513 [2021-07-14 00:28:44,552 INFO L226 Difference]: Without dead ends: 401 [2021-07-14 00:28:44,552 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 654 ImplicationChecksByTransitivity, 4452.4ms TimeCoverageRelationStatistics Valid=755, Invalid=3801, Unknown=0, NotChecked=0, Total=4556 [2021-07-14 00:28:44,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2021-07-14 00:28:44,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2021-07-14 00:28:44,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 400 states have (on average 1.2475) internal successors, (499), 400 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:44,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 499 transitions. [2021-07-14 00:28:44,555 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 499 transitions. Word has length 120 [2021-07-14 00:28:44,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:28:44,555 INFO L482 AbstractCegarLoop]: Abstraction has 401 states and 499 transitions. [2021-07-14 00:28:44,555 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:44,555 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 499 transitions. [2021-07-14 00:28:44,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:28:44,556 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:28:44,556 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:28:44,556 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-07-14 00:28:44,556 INFO L430 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:28:44,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:28:44,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1614235921, now seen corresponding path program 63 times [2021-07-14 00:28:44,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:28:44,557 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107278811] [2021-07-14 00:28:44,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:28:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:28:44,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:44,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:28:44,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:44,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:28:44,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:44,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:28:44,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:44,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:28:44,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:44,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:28:44,686 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-14 00:28:44,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:28:44,709 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-14 00:28:44,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:28:44,741 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-14 00:28:44,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:28:44,780 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-14 00:28:44,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:28:44,797 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-14 00:28:44,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:28:44,815 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:28:44,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:28:44,833 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-14 00:28:44,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:28:44,854 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-14 00:28:44,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:28:44,876 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:28:44,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:28:44,896 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:28:44,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:28:44,917 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:44,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:44,946 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:44,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:44,969 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:44,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:44,993 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:28:44,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:45,019 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-14 00:28:45,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:28:45,048 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:28:45,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:45,067 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:28:45,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:28:45,094 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:28:45,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:28:45,123 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:28:45,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:45,155 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:28:45,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:45,187 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:28:45,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:45,220 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-14 00:28:45,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:28:45,255 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:28:45,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:28:45,287 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:28:45,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:45,312 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-14 00:28:45,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:28:45,342 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:28:45,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:45,373 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:28:45,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:45,374 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-14 00:28:45,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:28:45,402 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:28:45,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:28:45,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:45,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:28:45,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:45,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:28:45,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:45,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:28:45,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:45,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:28:45,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:28:45,509 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:28:45,509 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107278811] [2021-07-14 00:28:45,509 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107278811] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:28:45,509 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:28:45,509 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:28:45,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954519485] [2021-07-14 00:28:45,510 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:28:45,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:28:45,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:28:45,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:28:45,510 INFO L87 Difference]: Start difference. First operand 401 states and 499 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:46,689 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 65 [2021-07-14 00:28:46,855 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-07-14 00:28:47,034 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-14 00:28:47,332 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-07-14 00:28:47,547 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2021-07-14 00:28:48,106 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-14 00:28:48,290 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-14 00:28:48,495 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-14 00:28:48,651 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-07-14 00:28:48,876 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-14 00:28:49,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:28:49,740 INFO L93 Difference]: Finished difference Result 512 states and 648 transitions. [2021-07-14 00:28:49,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 00:28:49,740 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:28:49,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:28:49,741 INFO L225 Difference]: With dead ends: 512 [2021-07-14 00:28:49,741 INFO L226 Difference]: Without dead ends: 400 [2021-07-14 00:28:49,741 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 637 ImplicationChecksByTransitivity, 4210.6ms TimeCoverageRelationStatistics Valid=713, Invalid=3709, Unknown=0, NotChecked=0, Total=4422 [2021-07-14 00:28:49,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2021-07-14 00:28:49,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2021-07-14 00:28:49,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 399 states have (on average 1.2456140350877194) internal successors, (497), 399 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:49,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 497 transitions. [2021-07-14 00:28:49,744 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 497 transitions. Word has length 120 [2021-07-14 00:28:49,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:28:49,744 INFO L482 AbstractCegarLoop]: Abstraction has 400 states and 497 transitions. [2021-07-14 00:28:49,744 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:49,744 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 497 transitions. [2021-07-14 00:28:49,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:28:49,745 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:28:49,745 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:28:49,745 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-07-14 00:28:49,745 INFO L430 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:28:49,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:28:49,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1325430431, now seen corresponding path program 64 times [2021-07-14 00:28:49,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:28:49,746 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789378865] [2021-07-14 00:28:49,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:28:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:28:49,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:49,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:28:49,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:49,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:28:49,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:49,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:28:49,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:49,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:28:49,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:49,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:28:49,902 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-07-14 00:28:49,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-14 00:28:49,922 INFO L142 QuantifierPusher]: treesize reduction 20, result has 67.7 percent of original size [2021-07-14 00:28:49,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:28:49,954 INFO L142 QuantifierPusher]: treesize reduction 20, result has 71.8 percent of original size [2021-07-14 00:28:49,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:28:49,993 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.9 percent of original size [2021-07-14 00:28:49,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:28:50,022 INFO L142 QuantifierPusher]: treesize reduction 12, result has 78.6 percent of original size [2021-07-14 00:28:50,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:28:50,050 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-07-14 00:28:50,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:28:50,077 INFO L142 QuantifierPusher]: treesize reduction 16, result has 75.0 percent of original size [2021-07-14 00:28:50,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-14 00:28:50,113 INFO L142 QuantifierPusher]: treesize reduction 16, result has 76.5 percent of original size [2021-07-14 00:28:50,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-14 00:28:50,149 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-14 00:28:50,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:28:50,184 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-14 00:28:50,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:28:50,219 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-14 00:28:50,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:28:50,256 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-14 00:28:50,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:28:50,297 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-14 00:28:50,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:28:50,340 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-14 00:28:50,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:28:50,383 INFO L142 QuantifierPusher]: treesize reduction 39, result has 61.8 percent of original size [2021-07-14 00:28:50,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-07-14 00:28:50,443 INFO L142 QuantifierPusher]: treesize reduction 39, result has 59.8 percent of original size [2021-07-14 00:28:50,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-14 00:28:50,467 INFO L142 QuantifierPusher]: treesize reduction 44, result has 54.2 percent of original size [2021-07-14 00:28:50,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-14 00:28:50,525 INFO L142 QuantifierPusher]: treesize reduction 39, result has 59.8 percent of original size [2021-07-14 00:28:50,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-14 00:28:50,583 INFO L142 QuantifierPusher]: treesize reduction 39, result has 59.8 percent of original size [2021-07-14 00:28:50,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-14 00:28:50,644 INFO L142 QuantifierPusher]: treesize reduction 39, result has 59.8 percent of original size [2021-07-14 00:28:50,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-14 00:28:50,710 INFO L142 QuantifierPusher]: treesize reduction 39, result has 59.8 percent of original size [2021-07-14 00:28:50,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-14 00:28:50,771 INFO L142 QuantifierPusher]: treesize reduction 56, result has 58.8 percent of original size [2021-07-14 00:28:50,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-07-14 00:28:50,850 INFO L142 QuantifierPusher]: treesize reduction 31, result has 58.1 percent of original size [2021-07-14 00:28:50,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:28:50,898 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-14 00:28:50,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:28:50,932 INFO L142 QuantifierPusher]: treesize reduction 41, result has 43.8 percent of original size [2021-07-14 00:28:50,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:28:50,976 INFO L142 QuantifierPusher]: treesize reduction 29, result has 56.7 percent of original size [2021-07-14 00:28:50,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:28:51,022 INFO L142 QuantifierPusher]: treesize reduction 29, result has 56.7 percent of original size [2021-07-14 00:28:51,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:28:51,023 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-14 00:28:51,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:28:51,055 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:28:51,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:28:51,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:51,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:28:51,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:51,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:28:51,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:51,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:28:51,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:51,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:28:51,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:28:51,167 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:28:51,167 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789378865] [2021-07-14 00:28:51,167 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789378865] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:28:51,167 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:28:51,167 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:28:51,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243860882] [2021-07-14 00:28:51,168 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:28:51,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:28:51,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:28:51,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:28:51,168 INFO L87 Difference]: Start difference. First operand 400 states and 497 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:52,284 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 63 [2021-07-14 00:28:52,476 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 68 [2021-07-14 00:28:52,691 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 72 [2021-07-14 00:28:52,909 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 78 [2021-07-14 00:28:53,259 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 80 [2021-07-14 00:28:53,574 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2021-07-14 00:28:53,752 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2021-07-14 00:28:53,970 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2021-07-14 00:28:54,199 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 82 [2021-07-14 00:28:54,401 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 80 [2021-07-14 00:28:54,816 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 82 [2021-07-14 00:28:55,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:28:55,665 INFO L93 Difference]: Finished difference Result 470 states and 587 transitions. [2021-07-14 00:28:55,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 00:28:55,665 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:28:55,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:28:55,666 INFO L225 Difference]: With dead ends: 470 [2021-07-14 00:28:55,666 INFO L226 Difference]: Without dead ends: 349 [2021-07-14 00:28:55,666 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 624 ImplicationChecksByTransitivity, 4854.1ms TimeCoverageRelationStatistics Valid=675, Invalid=3615, Unknown=0, NotChecked=0, Total=4290 [2021-07-14 00:28:55,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2021-07-14 00:28:55,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2021-07-14 00:28:55,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 348 states have (on average 1.2270114942528736) internal successors, (427), 348 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:55,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 427 transitions. [2021-07-14 00:28:55,669 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 427 transitions. Word has length 120 [2021-07-14 00:28:55,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:28:55,669 INFO L482 AbstractCegarLoop]: Abstraction has 349 states and 427 transitions. [2021-07-14 00:28:55,669 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:55,669 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 427 transitions. [2021-07-14 00:28:55,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:28:55,670 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:28:55,670 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:28:55,670 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-07-14 00:28:55,670 INFO L430 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:28:55,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:28:55,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1120043383, now seen corresponding path program 65 times [2021-07-14 00:28:55,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:28:55,670 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996274319] [2021-07-14 00:28:55,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:28:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:28:55,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:55,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:28:55,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:55,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:28:55,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:55,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:28:55,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:55,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:28:55,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:55,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:28:55,800 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-14 00:28:55,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:28:55,812 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-14 00:28:55,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:28:55,830 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-14 00:28:55,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:28:55,867 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-14 00:28:55,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:28:55,885 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-14 00:28:55,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:28:55,904 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-14 00:28:55,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:55,922 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-14 00:28:55,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:28:55,942 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-14 00:28:55,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:28:55,963 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:28:55,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:55,983 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:28:55,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:56,003 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:28:56,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:56,025 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:28:56,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:56,049 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:28:56,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:56,074 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:28:56,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:56,100 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:28:56,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:28:56,128 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-07-14 00:28:56,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-14 00:28:56,173 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:28:56,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:28:56,195 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:28:56,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:28:56,239 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:28:56,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:28:56,296 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-14 00:28:56,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:56,337 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-14 00:28:56,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:28:56,379 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-14 00:28:56,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:28:56,424 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-14 00:28:56,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:56,456 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:28:56,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:28:56,483 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:28:56,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:56,484 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:28:56,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:28:56,514 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:28:56,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:28:56,552 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:28:56,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:28:56,581 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:28:56,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:28:56,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:56,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:28:56,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:56,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:28:56,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:56,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:28:56,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:28:56,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:28:56,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:28:56,686 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:28:56,686 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996274319] [2021-07-14 00:28:56,686 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996274319] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:28:56,686 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:28:56,686 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:28:56,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435063645] [2021-07-14 00:28:56,687 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:28:56,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:28:56,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:28:56,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:28:56,687 INFO L87 Difference]: Start difference. First operand 349 states and 427 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:28:57,881 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 66 [2021-07-14 00:28:58,049 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2021-07-14 00:28:58,231 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 74 [2021-07-14 00:28:58,435 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 79 [2021-07-14 00:28:58,789 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 83 [2021-07-14 00:28:59,087 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-07-14 00:28:59,377 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 91 [2021-07-14 00:28:59,680 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-14 00:29:00,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:29:00,928 INFO L93 Difference]: Finished difference Result 459 states and 576 transitions. [2021-07-14 00:29:00,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 00:29:00,928 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:29:00,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:29:00,929 INFO L225 Difference]: With dead ends: 459 [2021-07-14 00:29:00,929 INFO L226 Difference]: Without dead ends: 363 [2021-07-14 00:29:00,929 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 559 ImplicationChecksByTransitivity, 4217.7ms TimeCoverageRelationStatistics Valid=729, Invalid=3431, Unknown=0, NotChecked=0, Total=4160 [2021-07-14 00:29:00,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2021-07-14 00:29:00,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 352. [2021-07-14 00:29:00,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 351 states have (on average 1.2393162393162394) internal successors, (435), 351 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:00,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 435 transitions. [2021-07-14 00:29:00,932 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 435 transitions. Word has length 120 [2021-07-14 00:29:00,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:29:00,932 INFO L482 AbstractCegarLoop]: Abstraction has 352 states and 435 transitions. [2021-07-14 00:29:00,932 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:00,932 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 435 transitions. [2021-07-14 00:29:00,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:29:00,933 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:29:00,933 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:29:00,933 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-07-14 00:29:00,933 INFO L430 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:29:00,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:29:00,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1468180153, now seen corresponding path program 66 times [2021-07-14 00:29:00,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:29:00,933 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661964156] [2021-07-14 00:29:00,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:29:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:29:01,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:01,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:29:01,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:01,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:29:01,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:01,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:29:01,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:01,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:29:01,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:01,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:29:01,059 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-14 00:29:01,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:29:01,071 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-14 00:29:01,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:29:01,089 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-14 00:29:01,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:29:01,125 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-14 00:29:01,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:29:01,142 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-14 00:29:01,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:29:01,160 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-14 00:29:01,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:01,177 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-14 00:29:01,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:29:01,211 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-14 00:29:01,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:29:01,233 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:29:01,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:01,253 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:29:01,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:01,274 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:01,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:01,296 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:01,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:01,319 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:01,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:01,344 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:01,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:01,369 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:01,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:01,396 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-07-14 00:29:01,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-14 00:29:01,441 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:29:01,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:29:01,464 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:29:01,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:29:01,509 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:29:01,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:29:01,568 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:29:01,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:29:01,625 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-14 00:29:01,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:29:01,665 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-14 00:29:01,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:01,708 INFO L142 QuantifierPusher]: treesize reduction 26, result has 46.9 percent of original size [2021-07-14 00:29:01,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:01,739 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:29:01,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:29:01,766 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:29:01,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:01,767 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:29:01,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:29:01,798 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:29:01,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:01,830 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:29:01,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:29:01,860 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:29:01,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:29:01,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:01,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:29:01,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:01,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:29:01,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:01,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:29:01,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:01,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:29:01,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:29:01,966 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:29:01,966 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661964156] [2021-07-14 00:29:01,966 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661964156] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:29:01,966 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:29:01,966 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:29:01,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13715020] [2021-07-14 00:29:01,966 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:29:01,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:29:01,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:29:01,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:29:01,967 INFO L87 Difference]: Start difference. First operand 352 states and 435 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:03,162 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 66 [2021-07-14 00:29:03,334 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2021-07-14 00:29:03,533 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 74 [2021-07-14 00:29:03,754 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 79 [2021-07-14 00:29:04,138 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 83 [2021-07-14 00:29:04,437 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-07-14 00:29:04,717 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 89 [2021-07-14 00:29:04,992 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-14 00:29:06,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:29:06,518 INFO L93 Difference]: Finished difference Result 462 states and 579 transitions. [2021-07-14 00:29:06,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 00:29:06,519 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:29:06,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:29:06,519 INFO L225 Difference]: With dead ends: 462 [2021-07-14 00:29:06,519 INFO L226 Difference]: Without dead ends: 366 [2021-07-14 00:29:06,520 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 4525.5ms TimeCoverageRelationStatistics Valid=767, Invalid=3655, Unknown=0, NotChecked=0, Total=4422 [2021-07-14 00:29:06,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-07-14 00:29:06,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 353. [2021-07-14 00:29:06,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 352 states have (on average 1.2357954545454546) internal successors, (435), 352 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:06,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 435 transitions. [2021-07-14 00:29:06,522 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 435 transitions. Word has length 120 [2021-07-14 00:29:06,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:29:06,522 INFO L482 AbstractCegarLoop]: Abstraction has 353 states and 435 transitions. [2021-07-14 00:29:06,522 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:06,523 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 435 transitions. [2021-07-14 00:29:06,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:29:06,523 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:29:06,523 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:29:06,523 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-07-14 00:29:06,523 INFO L430 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:29:06,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:29:06,524 INFO L82 PathProgramCache]: Analyzing trace with hash -923433961, now seen corresponding path program 67 times [2021-07-14 00:29:06,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:29:06,524 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703398808] [2021-07-14 00:29:06,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:29:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:29:06,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:06,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:29:06,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:06,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:29:06,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:06,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:29:06,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:06,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:29:06,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:06,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:29:06,652 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-14 00:29:06,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:29:06,675 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-14 00:29:06,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:29:06,709 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-14 00:29:06,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:29:06,751 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-14 00:29:06,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:29:06,769 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-14 00:29:06,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:29:06,787 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:29:06,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:29:06,807 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-14 00:29:06,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:29:06,828 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-14 00:29:06,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:29:06,851 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:29:06,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:29:06,874 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:29:06,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:29:06,895 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:29:06,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:06,917 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:29:06,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:06,941 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:29:06,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:06,966 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:29:06,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:06,995 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:29:06,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:07,032 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-14 00:29:07,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:29:07,063 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:29:07,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:07,084 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:29:07,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:07,115 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:29:07,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:07,149 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:29:07,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:29:07,180 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:29:07,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:07,213 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-14 00:29:07,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:29:07,248 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:29:07,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:29:07,280 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:29:07,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:07,307 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-14 00:29:07,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:29:07,338 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:29:07,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:07,372 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:29:07,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:07,373 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-14 00:29:07,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:29:07,404 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:29:07,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:29:07,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:07,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:29:07,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:07,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:29:07,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:07,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:29:07,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:07,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:29:07,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:29:07,518 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:29:07,518 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703398808] [2021-07-14 00:29:07,518 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703398808] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:29:07,518 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:29:07,519 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:29:07,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738143564] [2021-07-14 00:29:07,519 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:29:07,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:29:07,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:29:07,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:29:07,519 INFO L87 Difference]: Start difference. First operand 353 states and 435 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:08,759 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-07-14 00:29:08,924 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2021-07-14 00:29:09,114 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2021-07-14 00:29:09,318 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-14 00:29:09,667 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-14 00:29:09,977 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 86 [2021-07-14 00:29:10,254 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 88 [2021-07-14 00:29:11,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:29:11,708 INFO L93 Difference]: Finished difference Result 456 states and 570 transitions. [2021-07-14 00:29:11,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 00:29:11,708 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:29:11,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:29:11,708 INFO L225 Difference]: With dead ends: 456 [2021-07-14 00:29:11,709 INFO L226 Difference]: Without dead ends: 361 [2021-07-14 00:29:11,709 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 571 ImplicationChecksByTransitivity, 4085.7ms TimeCoverageRelationStatistics Valid=704, Invalid=3456, Unknown=0, NotChecked=0, Total=4160 [2021-07-14 00:29:11,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2021-07-14 00:29:11,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 351. [2021-07-14 00:29:11,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 350 states have (on average 1.2342857142857142) internal successors, (432), 350 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:11,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 432 transitions. [2021-07-14 00:29:11,712 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 432 transitions. Word has length 120 [2021-07-14 00:29:11,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:29:11,712 INFO L482 AbstractCegarLoop]: Abstraction has 351 states and 432 transitions. [2021-07-14 00:29:11,712 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:11,712 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 432 transitions. [2021-07-14 00:29:11,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:29:11,712 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:29:11,712 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:29:11,712 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-07-14 00:29:11,713 INFO L430 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:29:11,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:29:11,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1637458569, now seen corresponding path program 68 times [2021-07-14 00:29:11,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:29:11,713 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268026759] [2021-07-14 00:29:11,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:29:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:29:11,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:11,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:29:11,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:11,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:29:11,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:11,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:29:11,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:11,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:29:11,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:11,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:29:11,843 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-14 00:29:11,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:29:11,856 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-14 00:29:11,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:29:11,875 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-14 00:29:11,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:29:11,910 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-14 00:29:11,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:29:11,927 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-14 00:29:11,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:29:11,945 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-14 00:29:11,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:11,962 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-14 00:29:11,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:29:11,982 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-14 00:29:11,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:29:12,002 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:29:12,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:12,023 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:29:12,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:12,043 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:12,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:12,064 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:12,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:12,087 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:12,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:12,112 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:12,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:12,137 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:12,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:12,163 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-07-14 00:29:12,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-14 00:29:12,208 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:29:12,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:29:12,231 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:29:12,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:29:12,274 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:29:12,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:29:12,317 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:29:12,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:29:12,374 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-14 00:29:12,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:29:12,415 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-14 00:29:12,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:12,458 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-14 00:29:12,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:12,488 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:29:12,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:29:12,515 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:29:12,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:12,516 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:29:12,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:29:12,546 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:29:12,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:12,578 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:29:12,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:29:12,607 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:29:12,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:29:12,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:12,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:29:12,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:12,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:29:12,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:12,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:29:12,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:12,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:29:12,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:29:12,713 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:29:12,713 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268026759] [2021-07-14 00:29:12,713 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268026759] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:29:12,713 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:29:12,713 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:29:12,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068982277] [2021-07-14 00:29:12,713 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:29:12,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:29:12,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:29:12,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:29:12,714 INFO L87 Difference]: Start difference. First operand 351 states and 432 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:13,913 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 66 [2021-07-14 00:29:14,081 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2021-07-14 00:29:14,269 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 74 [2021-07-14 00:29:14,466 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 79 [2021-07-14 00:29:14,814 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 83 [2021-07-14 00:29:15,069 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 85 [2021-07-14 00:29:15,460 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 89 [2021-07-14 00:29:15,743 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-14 00:29:16,033 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-07-14 00:29:16,170 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2021-07-14 00:29:17,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:29:17,276 INFO L93 Difference]: Finished difference Result 466 states and 583 transitions. [2021-07-14 00:29:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 00:29:17,277 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:29:17,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:29:17,277 INFO L225 Difference]: With dead ends: 466 [2021-07-14 00:29:17,277 INFO L226 Difference]: Without dead ends: 367 [2021-07-14 00:29:17,277 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 636 ImplicationChecksByTransitivity, 4562.9ms TimeCoverageRelationStatistics Valid=791, Invalid=3765, Unknown=0, NotChecked=0, Total=4556 [2021-07-14 00:29:17,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2021-07-14 00:29:17,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 354. [2021-07-14 00:29:17,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 353 states have (on average 1.2322946175637395) internal successors, (435), 353 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:17,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 435 transitions. [2021-07-14 00:29:17,280 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 435 transitions. Word has length 120 [2021-07-14 00:29:17,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:29:17,280 INFO L482 AbstractCegarLoop]: Abstraction has 354 states and 435 transitions. [2021-07-14 00:29:17,281 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:17,281 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 435 transitions. [2021-07-14 00:29:17,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:29:17,281 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:29:17,281 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:29:17,281 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-07-14 00:29:17,281 INFO L430 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:29:17,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:29:17,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1046489955, now seen corresponding path program 69 times [2021-07-14 00:29:17,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:29:17,282 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805471858] [2021-07-14 00:29:17,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:29:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:29:17,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:17,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:29:17,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:17,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:29:17,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:17,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:29:17,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:17,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:29:17,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:17,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:29:17,410 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-14 00:29:17,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:29:17,432 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-14 00:29:17,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:29:17,471 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-14 00:29:17,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:29:17,510 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-14 00:29:17,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:29:17,527 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-14 00:29:17,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:29:17,545 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:29:17,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:29:17,562 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-14 00:29:17,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:29:17,583 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-14 00:29:17,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:29:17,603 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:29:17,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:29:17,624 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:29:17,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:29:17,645 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:29:17,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:17,666 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:29:17,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:17,690 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:29:17,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:17,714 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:29:17,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:17,740 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:29:17,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:17,766 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-14 00:29:17,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:29:17,798 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:29:17,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:17,820 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:29:17,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:17,853 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:29:17,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:29:17,886 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:29:17,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:29:17,918 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:29:17,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:17,951 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-14 00:29:17,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:29:17,988 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:29:17,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:29:18,020 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:29:18,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:18,046 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-14 00:29:18,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:29:18,092 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:29:18,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:18,124 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:29:18,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:18,125 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-14 00:29:18,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:29:18,155 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:29:18,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:29:18,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:18,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:29:18,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:18,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:29:18,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:18,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:29:18,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:18,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:29:18,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:29:18,262 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:29:18,262 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805471858] [2021-07-14 00:29:18,262 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805471858] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:29:18,262 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:29:18,263 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:29:18,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477610780] [2021-07-14 00:29:18,263 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:29:18,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:29:18,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:29:18,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:29:18,263 INFO L87 Difference]: Start difference. First operand 354 states and 435 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:19,481 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-07-14 00:29:19,656 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2021-07-14 00:29:19,837 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2021-07-14 00:29:20,033 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-14 00:29:20,375 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-14 00:29:20,650 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 84 [2021-07-14 00:29:21,040 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 88 [2021-07-14 00:29:21,470 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-14 00:29:21,795 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2021-07-14 00:29:22,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:29:22,653 INFO L93 Difference]: Finished difference Result 460 states and 574 transitions. [2021-07-14 00:29:22,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 00:29:22,654 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:29:22,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:29:22,654 INFO L225 Difference]: With dead ends: 460 [2021-07-14 00:29:22,654 INFO L226 Difference]: Without dead ends: 366 [2021-07-14 00:29:22,654 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 621 ImplicationChecksByTransitivity, 4338.3ms TimeCoverageRelationStatistics Valid=745, Invalid=3677, Unknown=0, NotChecked=0, Total=4422 [2021-07-14 00:29:22,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-07-14 00:29:22,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 353. [2021-07-14 00:29:22,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 352 states have (on average 1.2301136363636365) internal successors, (433), 352 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:22,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 433 transitions. [2021-07-14 00:29:22,657 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 433 transitions. Word has length 120 [2021-07-14 00:29:22,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:29:22,657 INFO L482 AbstractCegarLoop]: Abstraction has 353 states and 433 transitions. [2021-07-14 00:29:22,657 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:22,657 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 433 transitions. [2021-07-14 00:29:22,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:29:22,658 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:29:22,658 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:29:22,658 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-07-14 00:29:22,658 INFO L430 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:29:22,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:29:22,658 INFO L82 PathProgramCache]: Analyzing trace with hash -605858571, now seen corresponding path program 70 times [2021-07-14 00:29:22,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:29:22,659 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865625552] [2021-07-14 00:29:22,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:29:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:29:22,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:22,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:29:22,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:22,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:29:22,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:22,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:29:22,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:22,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:29:22,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:22,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:29:22,782 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-14 00:29:22,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:29:22,804 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-14 00:29:22,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:29:22,837 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-14 00:29:22,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:29:22,875 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-14 00:29:22,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:29:22,891 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-14 00:29:22,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:29:22,909 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:29:22,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:29:22,927 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-14 00:29:22,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:29:22,947 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-14 00:29:22,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:29:22,968 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:29:22,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:29:22,988 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:29:22,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:29:23,009 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:29:23,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:23,030 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:29:23,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:23,054 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:29:23,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:23,078 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:29:23,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:23,104 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:29:23,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:23,132 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-14 00:29:23,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:29:23,163 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:29:23,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:23,184 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:29:23,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:23,215 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:29:23,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:29:23,245 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:29:23,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:23,288 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:29:23,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:23,322 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-14 00:29:23,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:29:23,357 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:29:23,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:29:23,388 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:29:23,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:23,414 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-14 00:29:23,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:29:23,444 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:29:23,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:23,476 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:29:23,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:23,477 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-14 00:29:23,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:29:23,506 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:29:23,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:29:23,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:23,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:29:23,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:23,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:29:23,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:23,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:29:23,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:23,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:29:23,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:29:23,611 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:29:23,612 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865625552] [2021-07-14 00:29:23,612 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865625552] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:29:23,612 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:29:23,612 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:29:23,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193107804] [2021-07-14 00:29:23,612 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:29:23,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:29:23,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:29:23,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:29:23,613 INFO L87 Difference]: Start difference. First operand 353 states and 433 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:24,827 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-07-14 00:29:24,995 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2021-07-14 00:29:25,180 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2021-07-14 00:29:25,386 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-14 00:29:25,730 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-14 00:29:25,981 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 84 [2021-07-14 00:29:26,443 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-14 00:29:26,580 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-07-14 00:29:26,791 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-14 00:29:27,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:29:27,631 INFO L93 Difference]: Finished difference Result 456 states and 568 transitions. [2021-07-14 00:29:27,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 00:29:27,631 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:29:27,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:29:27,631 INFO L225 Difference]: With dead ends: 456 [2021-07-14 00:29:27,631 INFO L226 Difference]: Without dead ends: 357 [2021-07-14 00:29:27,632 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 3959.3ms TimeCoverageRelationStatistics Valid=683, Invalid=3477, Unknown=0, NotChecked=0, Total=4160 [2021-07-14 00:29:27,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2021-07-14 00:29:27,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 349. [2021-07-14 00:29:27,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 348 states have (on average 1.2241379310344827) internal successors, (426), 348 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:27,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 426 transitions. [2021-07-14 00:29:27,634 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 426 transitions. Word has length 120 [2021-07-14 00:29:27,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:29:27,635 INFO L482 AbstractCegarLoop]: Abstraction has 349 states and 426 transitions. [2021-07-14 00:29:27,635 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:27,635 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 426 transitions. [2021-07-14 00:29:27,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:29:27,635 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:29:27,635 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:29:27,635 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-07-14 00:29:27,635 INFO L430 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:29:27,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:29:27,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1303099017, now seen corresponding path program 71 times [2021-07-14 00:29:27,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:29:27,636 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836923310] [2021-07-14 00:29:27,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:29:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:29:27,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:27,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:29:27,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:27,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:29:27,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:27,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:29:27,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:27,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:29:27,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:27,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:29:27,762 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-14 00:29:27,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:29:27,773 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-14 00:29:27,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:29:27,792 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-14 00:29:27,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:29:27,828 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-14 00:29:27,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:29:27,845 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-14 00:29:27,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:29:27,863 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-14 00:29:27,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:27,880 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-14 00:29:27,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:29:27,899 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-14 00:29:27,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:29:27,920 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:29:27,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:27,940 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:29:27,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:27,960 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:27,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:27,983 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:27,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:28,013 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:28,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:28,038 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:28,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:28,064 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:28,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:28,091 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-07-14 00:29:28,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-14 00:29:28,136 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:29:28,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:29:28,159 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:29:28,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:29:28,202 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:29:28,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:29:28,245 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:29:28,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:29:28,300 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-14 00:29:28,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:29:28,340 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-14 00:29:28,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:28,386 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-14 00:29:28,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:28,420 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:29:28,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:29:28,450 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:29:28,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:28,451 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:29:28,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:29:28,483 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:29:28,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:28,515 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:29:28,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:29:28,544 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:29:28,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:29:28,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:28,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:29:28,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:28,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:29:28,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:28,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:29:28,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:28,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:29:28,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:29:28,651 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:29:28,651 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836923310] [2021-07-14 00:29:28,651 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836923310] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:29:28,651 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:29:28,651 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:29:28,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376818763] [2021-07-14 00:29:28,651 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:29:28,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:29:28,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:29:28,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:29:28,652 INFO L87 Difference]: Start difference. First operand 349 states and 426 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:29,842 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 66 [2021-07-14 00:29:30,007 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2021-07-14 00:29:30,194 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 74 [2021-07-14 00:29:30,390 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 79 [2021-07-14 00:29:30,720 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 81 [2021-07-14 00:29:30,950 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 85 [2021-07-14 00:29:31,464 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 89 [2021-07-14 00:29:31,739 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 93 [2021-07-14 00:29:31,886 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2021-07-14 00:29:32,066 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2021-07-14 00:29:32,224 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2021-07-14 00:29:33,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:29:33,358 INFO L93 Difference]: Finished difference Result 454 states and 564 transitions. [2021-07-14 00:29:33,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 00:29:33,359 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:29:33,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:29:33,359 INFO L225 Difference]: With dead ends: 454 [2021-07-14 00:29:33,359 INFO L226 Difference]: Without dead ends: 348 [2021-07-14 00:29:33,359 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 662 ImplicationChecksByTransitivity, 4697.2ms TimeCoverageRelationStatistics Valid=818, Invalid=3874, Unknown=0, NotChecked=0, Total=4692 [2021-07-14 00:29:33,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2021-07-14 00:29:33,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 343. [2021-07-14 00:29:33,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 342 states have (on average 1.2280701754385965) internal successors, (420), 342 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:33,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 420 transitions. [2021-07-14 00:29:33,362 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 420 transitions. Word has length 120 [2021-07-14 00:29:33,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:29:33,362 INFO L482 AbstractCegarLoop]: Abstraction has 343 states and 420 transitions. [2021-07-14 00:29:33,362 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:33,362 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 420 transitions. [2021-07-14 00:29:33,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:29:33,363 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:29:33,363 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:29:33,363 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-07-14 00:29:33,363 INFO L430 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:29:33,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:29:33,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1944757953, now seen corresponding path program 72 times [2021-07-14 00:29:33,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:29:33,363 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841771627] [2021-07-14 00:29:33,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:29:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:29:33,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:33,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:29:33,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:33,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:29:33,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:33,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:29:33,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:33,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:29:33,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:33,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:29:33,488 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-14 00:29:33,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:29:33,509 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-14 00:29:33,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:29:33,543 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-14 00:29:33,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:29:33,582 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-14 00:29:33,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:29:33,600 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-14 00:29:33,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:29:33,619 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:29:33,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:29:33,637 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-14 00:29:33,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:29:33,664 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-14 00:29:33,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:29:33,685 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:29:33,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:29:33,706 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:29:33,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:29:33,727 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:29:33,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:33,749 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:29:33,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:33,773 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:29:33,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:33,800 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:29:33,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:33,827 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:29:33,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:33,854 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-14 00:29:33,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:29:33,885 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:29:33,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:33,906 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:29:33,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:29:33,936 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:29:33,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:29:33,966 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:29:33,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:29:33,998 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:29:33,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:34,032 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-14 00:29:34,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:29:34,067 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:29:34,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:29:34,099 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:29:34,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:34,125 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-14 00:29:34,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:29:34,155 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:29:34,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:34,187 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:29:34,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:34,188 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-14 00:29:34,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:29:34,217 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:29:34,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:29:34,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:34,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:29:34,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:34,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:29:34,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:34,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:29:34,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:34,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:29:34,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:29:34,324 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:29:34,324 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841771627] [2021-07-14 00:29:34,324 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841771627] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:29:34,324 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:29:34,324 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:29:34,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000668291] [2021-07-14 00:29:34,325 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:29:34,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:29:34,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:29:34,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:29:34,325 INFO L87 Difference]: Start difference. First operand 343 states and 420 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:35,513 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-07-14 00:29:35,681 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2021-07-14 00:29:35,868 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2021-07-14 00:29:36,066 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-14 00:29:36,396 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2021-07-14 00:29:36,625 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-07-14 00:29:37,154 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 88 [2021-07-14 00:29:37,319 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-14 00:29:37,463 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2021-07-14 00:29:37,660 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-14 00:29:38,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:29:38,844 INFO L93 Difference]: Finished difference Result 441 states and 548 transitions. [2021-07-14 00:29:38,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 00:29:38,844 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:29:38,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:29:38,845 INFO L225 Difference]: With dead ends: 441 [2021-07-14 00:29:38,845 INFO L226 Difference]: Without dead ends: 347 [2021-07-14 00:29:38,845 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 646 ImplicationChecksByTransitivity, 4485.4ms TimeCoverageRelationStatistics Valid=771, Invalid=3785, Unknown=0, NotChecked=0, Total=4556 [2021-07-14 00:29:38,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2021-07-14 00:29:38,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 342. [2021-07-14 00:29:38,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 341 states have (on average 1.2258064516129032) internal successors, (418), 341 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:38,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 418 transitions. [2021-07-14 00:29:38,848 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 418 transitions. Word has length 120 [2021-07-14 00:29:38,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:29:38,848 INFO L482 AbstractCegarLoop]: Abstraction has 342 states and 418 transitions. [2021-07-14 00:29:38,848 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:38,848 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 418 transitions. [2021-07-14 00:29:38,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:29:38,849 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:29:38,849 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:29:38,849 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-07-14 00:29:38,849 INFO L430 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:29:38,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:29:38,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1504126569, now seen corresponding path program 73 times [2021-07-14 00:29:38,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:29:38,849 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497574899] [2021-07-14 00:29:38,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:29:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:29:38,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:38,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:29:38,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:38,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:29:38,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:38,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:29:38,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:38,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:29:38,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:38,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:29:38,973 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-14 00:29:38,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:29:38,997 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-14 00:29:38,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:29:39,030 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-14 00:29:39,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:29:39,070 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-14 00:29:39,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:29:39,087 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-14 00:29:39,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:29:39,106 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-14 00:29:39,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:29:39,124 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-14 00:29:39,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:29:39,145 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-14 00:29:39,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:29:39,165 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:29:39,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:29:39,186 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:29:39,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:29:39,207 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:29:39,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:39,229 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:29:39,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:39,254 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:29:39,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:39,279 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:29:39,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:39,305 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:29:39,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:39,331 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-14 00:29:39,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:29:39,362 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:29:39,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:39,383 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:29:39,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:29:39,412 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:29:39,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:29:39,461 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:29:39,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:39,494 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:29:39,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:39,528 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-14 00:29:39,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:29:39,562 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:29:39,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:29:39,596 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:29:39,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:39,622 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-14 00:29:39,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:29:39,653 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:29:39,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:39,688 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-14 00:29:39,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:39,689 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-14 00:29:39,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:29:39,719 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:29:39,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:29:39,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:39,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:29:39,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:39,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:29:39,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:39,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:29:39,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:39,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:29:39,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:29:39,830 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:29:39,830 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497574899] [2021-07-14 00:29:39,830 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497574899] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:29:39,830 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:29:39,831 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:29:39,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143634234] [2021-07-14 00:29:39,831 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:29:39,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:29:39,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:29:39,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:29:39,831 INFO L87 Difference]: Start difference. First operand 342 states and 418 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:41,008 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-07-14 00:29:41,177 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2021-07-14 00:29:41,367 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2021-07-14 00:29:41,573 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-14 00:29:41,892 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2021-07-14 00:29:42,121 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-07-14 00:29:42,679 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-14 00:29:42,852 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-14 00:29:42,990 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-07-14 00:29:43,204 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-14 00:29:44,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:29:44,032 INFO L93 Difference]: Finished difference Result 442 states and 548 transitions. [2021-07-14 00:29:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 00:29:44,033 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:29:44,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:29:44,033 INFO L225 Difference]: With dead ends: 442 [2021-07-14 00:29:44,033 INFO L226 Difference]: Without dead ends: 345 [2021-07-14 00:29:44,034 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 631 ImplicationChecksByTransitivity, 4218.1ms TimeCoverageRelationStatistics Valid=727, Invalid=3695, Unknown=0, NotChecked=0, Total=4422 [2021-07-14 00:29:44,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2021-07-14 00:29:44,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 340. [2021-07-14 00:29:44,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 339 states have (on average 1.2212389380530972) internal successors, (414), 339 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:44,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 414 transitions. [2021-07-14 00:29:44,036 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 414 transitions. Word has length 120 [2021-07-14 00:29:44,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:29:44,037 INFO L482 AbstractCegarLoop]: Abstraction has 340 states and 414 transitions. [2021-07-14 00:29:44,037 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:44,037 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 414 transitions. [2021-07-14 00:29:44,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:29:44,037 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:29:44,037 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:29:44,037 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-07-14 00:29:44,037 INFO L430 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:29:44,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:29:44,038 INFO L82 PathProgramCache]: Analyzing trace with hash -1762231051, now seen corresponding path program 74 times [2021-07-14 00:29:44,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:29:44,038 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532388790] [2021-07-14 00:29:44,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:29:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:29:44,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:44,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:29:44,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:44,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:29:44,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:44,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:29:44,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:44,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:29:44,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:44,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:29:44,168 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-07-14 00:29:44,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-14 00:29:44,198 INFO L142 QuantifierPusher]: treesize reduction 20, result has 67.7 percent of original size [2021-07-14 00:29:44,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:29:44,231 INFO L142 QuantifierPusher]: treesize reduction 20, result has 71.8 percent of original size [2021-07-14 00:29:44,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:29:44,267 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-14 00:29:44,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:29:44,284 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-14 00:29:44,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:29:44,302 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-14 00:29:44,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:29:44,319 INFO L142 QuantifierPusher]: treesize reduction 19, result has 65.5 percent of original size [2021-07-14 00:29:44,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:29:44,340 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-14 00:29:44,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:29:44,361 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:29:44,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:29:44,381 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:29:44,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:29:44,401 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:44,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:44,423 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:44,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:44,446 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:44,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:44,470 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:44,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:44,496 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:44,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:44,525 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.7 percent of original size [2021-07-14 00:29:44,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:29:44,557 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:29:44,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:44,578 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-14 00:29:44,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:29:44,607 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:29:44,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:44,638 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:29:44,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:44,671 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:29:44,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:44,704 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.8 percent of original size [2021-07-14 00:29:44,705 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-07-14 00:29:44,750 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:29:44,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:29:44,781 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:29:44,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:44,806 INFO L142 QuantifierPusher]: treesize reduction 24, result has 41.5 percent of original size [2021-07-14 00:29:44,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:29:44,835 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:29:44,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:44,868 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:29:44,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:44,869 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-14 00:29:44,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:29:44,898 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:29:44,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:29:44,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:44,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:29:44,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:44,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:29:44,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:44,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:29:45,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:45,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:29:45,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:29:45,006 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:29:45,006 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532388790] [2021-07-14 00:29:45,006 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532388790] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:29:45,006 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:29:45,006 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:29:45,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214940570] [2021-07-14 00:29:45,006 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:29:45,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:29:45,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:29:45,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:29:45,007 INFO L87 Difference]: Start difference. First operand 340 states and 414 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:46,208 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-07-14 00:29:46,382 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2021-07-14 00:29:46,571 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2021-07-14 00:29:46,768 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-14 00:29:47,096 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2021-07-14 00:29:47,553 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-14 00:29:47,726 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-14 00:29:47,888 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-07-14 00:29:48,233 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-14 00:29:49,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:29:49,118 INFO L93 Difference]: Finished difference Result 435 states and 538 transitions. [2021-07-14 00:29:49,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 00:29:49,119 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:29:49,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:29:49,119 INFO L225 Difference]: With dead ends: 435 [2021-07-14 00:29:49,119 INFO L226 Difference]: Without dead ends: 330 [2021-07-14 00:29:49,119 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 618 ImplicationChecksByTransitivity, 4054.5ms TimeCoverageRelationStatistics Valid=687, Invalid=3603, Unknown=0, NotChecked=0, Total=4290 [2021-07-14 00:29:49,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2021-07-14 00:29:49,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2021-07-14 00:29:49,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 329 states have (on average 1.2249240121580547) internal successors, (403), 329 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:49,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 403 transitions. [2021-07-14 00:29:49,122 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 403 transitions. Word has length 120 [2021-07-14 00:29:49,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:29:49,122 INFO L482 AbstractCegarLoop]: Abstraction has 330 states and 403 transitions. [2021-07-14 00:29:49,122 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:49,122 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 403 transitions. [2021-07-14 00:29:49,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:29:49,123 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:29:49,123 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:29:49,123 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-07-14 00:29:49,123 INFO L430 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:29:49,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:29:49,123 INFO L82 PathProgramCache]: Analyzing trace with hash 106030079, now seen corresponding path program 75 times [2021-07-14 00:29:49,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:29:49,123 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765407305] [2021-07-14 00:29:49,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:29:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:29:49,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:49,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:29:49,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:49,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:29:49,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:49,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:29:49,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:49,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:29:49,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:49,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:29:49,254 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-14 00:29:49,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:29:49,265 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-14 00:29:49,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:29:49,284 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-14 00:29:49,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:29:49,319 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-14 00:29:49,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:29:49,336 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-14 00:29:49,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:29:49,355 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-14 00:29:49,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:49,373 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-14 00:29:49,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:29:49,394 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-14 00:29:49,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:29:49,415 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:29:49,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:49,436 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:29:49,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:49,456 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:49,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:49,478 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:49,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:49,504 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:49,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:49,530 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:49,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:49,558 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:49,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:49,585 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:49,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:49,614 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-07-14 00:29:49,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-14 00:29:49,660 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:29:49,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:29:49,683 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:29:49,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:29:49,740 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-14 00:29:49,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:49,781 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-14 00:29:49,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:29:49,822 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-14 00:29:49,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:49,865 INFO L142 QuantifierPusher]: treesize reduction 26, result has 46.9 percent of original size [2021-07-14 00:29:49,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:49,896 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:29:49,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:29:49,922 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:29:49,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:49,923 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:29:49,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:29:49,952 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:29:49,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:49,984 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:29:49,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:29:50,019 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:29:50,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:29:50,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:50,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:29:50,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:50,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:29:50,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:50,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:29:50,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:50,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:29:50,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:29:50,125 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:29:50,125 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765407305] [2021-07-14 00:29:50,125 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765407305] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:29:50,125 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:29:50,125 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:29:50,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138374481] [2021-07-14 00:29:50,125 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:29:50,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:29:50,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:29:50,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:29:50,125 INFO L87 Difference]: Start difference. First operand 330 states and 403 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:51,337 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2021-07-14 00:29:51,501 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 70 [2021-07-14 00:29:51,681 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 74 [2021-07-14 00:29:51,900 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 78 [2021-07-14 00:29:52,132 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 83 [2021-07-14 00:29:52,537 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-07-14 00:29:52,840 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 91 [2021-07-14 00:29:53,145 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-14 00:29:54,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:29:54,401 INFO L93 Difference]: Finished difference Result 432 states and 538 transitions. [2021-07-14 00:29:54,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 00:29:54,401 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:29:54,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:29:54,402 INFO L225 Difference]: With dead ends: 432 [2021-07-14 00:29:54,402 INFO L226 Difference]: Without dead ends: 336 [2021-07-14 00:29:54,402 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 560 ImplicationChecksByTransitivity, 4277.8ms TimeCoverageRelationStatistics Valid=729, Invalid=3431, Unknown=0, NotChecked=0, Total=4160 [2021-07-14 00:29:54,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2021-07-14 00:29:54,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 331. [2021-07-14 00:29:54,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 330 states have (on average 1.2272727272727273) internal successors, (405), 330 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:54,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 405 transitions. [2021-07-14 00:29:54,405 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 405 transitions. Word has length 120 [2021-07-14 00:29:54,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:29:54,405 INFO L482 AbstractCegarLoop]: Abstraction has 331 states and 405 transitions. [2021-07-14 00:29:54,405 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:54,405 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 405 transitions. [2021-07-14 00:29:54,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:29:54,405 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:29:54,405 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:29:54,406 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-07-14 00:29:54,406 INFO L430 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:29:54,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:29:54,406 INFO L82 PathProgramCache]: Analyzing trace with hash 454166849, now seen corresponding path program 76 times [2021-07-14 00:29:54,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:29:54,406 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462971346] [2021-07-14 00:29:54,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:29:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:29:54,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:54,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:29:54,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:54,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:29:54,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:54,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:29:54,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:54,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:29:54,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:54,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:29:54,530 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-14 00:29:54,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:29:54,542 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-14 00:29:54,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:29:54,563 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-14 00:29:54,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:29:54,606 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-14 00:29:54,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:29:54,626 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-14 00:29:54,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:29:54,647 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-14 00:29:54,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:54,666 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-14 00:29:54,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:29:54,690 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-14 00:29:54,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:29:54,714 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:29:54,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:54,738 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:29:54,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:54,761 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:54,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:54,794 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:54,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:54,820 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:54,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:54,847 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:54,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:54,874 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:54,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:54,903 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:29:54,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:29:54,931 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-07-14 00:29:54,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-14 00:29:54,978 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:29:54,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:29:55,002 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:29:55,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:29:55,059 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:29:55,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:29:55,118 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-14 00:29:55,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:29:55,159 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-14 00:29:55,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:29:55,203 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-14 00:29:55,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:55,235 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:29:55,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:29:55,262 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:29:55,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:55,262 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:29:55,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:29:55,292 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:29:55,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:29:55,324 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:29:55,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:29:55,354 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:29:55,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:29:55,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:55,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:29:55,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:55,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:29:55,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:55,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:29:55,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:29:55,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:29:55,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:29:55,462 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:29:55,462 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462971346] [2021-07-14 00:29:55,462 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462971346] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:29:55,462 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:29:55,462 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:29:55,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324279958] [2021-07-14 00:29:55,462 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:29:55,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:29:55,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:29:55,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:29:55,463 INFO L87 Difference]: Start difference. First operand 331 states and 405 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:56,651 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2021-07-14 00:29:56,809 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 70 [2021-07-14 00:29:56,989 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 74 [2021-07-14 00:29:57,194 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 78 [2021-07-14 00:29:57,422 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 83 [2021-07-14 00:29:57,818 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-07-14 00:29:58,091 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 89 [2021-07-14 00:29:58,377 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-14 00:29:59,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:29:59,901 INFO L93 Difference]: Finished difference Result 435 states and 541 transitions. [2021-07-14 00:29:59,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 00:29:59,902 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:29:59,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:29:59,902 INFO L225 Difference]: With dead ends: 435 [2021-07-14 00:29:59,902 INFO L226 Difference]: Without dead ends: 339 [2021-07-14 00:29:59,902 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 612 ImplicationChecksByTransitivity, 4496.7ms TimeCoverageRelationStatistics Valid=767, Invalid=3655, Unknown=0, NotChecked=0, Total=4422 [2021-07-14 00:29:59,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2021-07-14 00:29:59,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 332. [2021-07-14 00:29:59,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 331 states have (on average 1.2235649546827794) internal successors, (405), 331 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:59,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 405 transitions. [2021-07-14 00:29:59,905 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 405 transitions. Word has length 120 [2021-07-14 00:29:59,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:29:59,905 INFO L482 AbstractCegarLoop]: Abstraction has 332 states and 405 transitions. [2021-07-14 00:29:59,905 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:29:59,905 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 405 transitions. [2021-07-14 00:29:59,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:29:59,906 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:29:59,906 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:29:59,906 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-07-14 00:29:59,906 INFO L430 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:29:59,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:29:59,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1937447265, now seen corresponding path program 77 times [2021-07-14 00:29:59,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:29:59,906 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886895813] [2021-07-14 00:29:59,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:29:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:30:00,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:00,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:30:00,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:00,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:30:00,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:00,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:30:00,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:00,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:30:00,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:00,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:30:00,035 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-07-14 00:30:00,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-14 00:30:00,058 INFO L142 QuantifierPusher]: treesize reduction 20, result has 67.7 percent of original size [2021-07-14 00:30:00,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:30:00,091 INFO L142 QuantifierPusher]: treesize reduction 20, result has 71.8 percent of original size [2021-07-14 00:30:00,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:30:00,128 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-14 00:30:00,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:30:00,145 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-14 00:30:00,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:30:00,163 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-14 00:30:00,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:30:00,180 INFO L142 QuantifierPusher]: treesize reduction 19, result has 65.5 percent of original size [2021-07-14 00:30:00,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:30:00,200 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-14 00:30:00,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:30:00,221 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:30:00,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:30:00,241 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:30:00,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:30:00,262 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:00,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:00,283 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:00,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:00,306 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:00,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:00,330 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:00,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:00,355 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:00,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:00,382 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:00,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:00,409 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.7 percent of original size [2021-07-14 00:30:00,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:30:00,441 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:30:00,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:30:00,479 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:30:00,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:30:00,509 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-14 00:30:00,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:30:00,540 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:30:00,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:30:00,573 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.8 percent of original size [2021-07-14 00:30:00,573 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-07-14 00:30:00,619 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:30:00,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:30:00,651 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:30:00,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:30:00,677 INFO L142 QuantifierPusher]: treesize reduction 24, result has 41.5 percent of original size [2021-07-14 00:30:00,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:30:00,707 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:30:00,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:30:00,739 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:30:00,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:30:00,739 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-14 00:30:00,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:30:00,768 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:30:00,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:30:00,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:00,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:30:00,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:00,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:30:00,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:00,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:30:00,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:00,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:30:00,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:30:00,876 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:30:00,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886895813] [2021-07-14 00:30:00,876 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886895813] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:30:00,876 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:30:00,876 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:30:00,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462665605] [2021-07-14 00:30:00,876 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:30:00,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:30:00,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:30:00,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:30:00,877 INFO L87 Difference]: Start difference. First operand 332 states and 405 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:30:02,087 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 65 [2021-07-14 00:30:02,262 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 69 [2021-07-14 00:30:02,454 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2021-07-14 00:30:02,680 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 77 [2021-07-14 00:30:02,916 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 82 [2021-07-14 00:30:03,351 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 86 [2021-07-14 00:30:03,644 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 88 [2021-07-14 00:30:03,934 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2021-07-14 00:30:04,259 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2021-07-14 00:30:05,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:30:05,127 INFO L93 Difference]: Finished difference Result 429 states and 532 transitions. [2021-07-14 00:30:05,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 00:30:05,127 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:30:05,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:30:05,128 INFO L225 Difference]: With dead ends: 429 [2021-07-14 00:30:05,128 INFO L226 Difference]: Without dead ends: 334 [2021-07-14 00:30:05,128 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 572 ImplicationChecksByTransitivity, 4257.0ms TimeCoverageRelationStatistics Valid=704, Invalid=3456, Unknown=0, NotChecked=0, Total=4160 [2021-07-14 00:30:05,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2021-07-14 00:30:05,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 330. [2021-07-14 00:30:05,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 329 states have (on average 1.221884498480243) internal successors, (402), 329 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:30:05,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 402 transitions. [2021-07-14 00:30:05,131 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 402 transitions. Word has length 120 [2021-07-14 00:30:05,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:30:05,131 INFO L482 AbstractCegarLoop]: Abstraction has 330 states and 402 transitions. [2021-07-14 00:30:05,131 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:30:05,131 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 402 transitions. [2021-07-14 00:30:05,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:30:05,131 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:30:05,131 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:30:05,132 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-07-14 00:30:05,132 INFO L430 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:30:05,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:30:05,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1643495423, now seen corresponding path program 78 times [2021-07-14 00:30:05,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:30:05,132 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133232744] [2021-07-14 00:30:05,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:30:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:30:05,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:05,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:30:05,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:05,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:30:05,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:05,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:30:05,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:05,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:30:05,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:05,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:30:05,262 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-14 00:30:05,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:30:05,275 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-14 00:30:05,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:30:05,294 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-14 00:30:05,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:30:05,332 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-14 00:30:05,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:30:05,351 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-14 00:30:05,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:30:05,371 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-14 00:30:05,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:05,392 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-14 00:30:05,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:30:05,415 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-14 00:30:05,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:30:05,448 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:30:05,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:30:05,471 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:30:05,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:30:05,493 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:05,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:05,517 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:05,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:05,543 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:05,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:05,570 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:05,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:05,596 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:05,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:05,623 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:05,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:05,653 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-07-14 00:30:05,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-14 00:30:05,703 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:30:05,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:30:05,727 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:30:05,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:30:05,772 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-14 00:30:05,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:30:05,832 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-14 00:30:05,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:30:05,876 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-14 00:30:05,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:30:05,923 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-14 00:30:05,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:30:05,955 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:30:05,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:30:05,983 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:30:05,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:30:05,983 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:30:05,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:30:06,016 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:30:06,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:30:06,050 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:30:06,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:30:06,081 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:30:06,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:30:06,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:06,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:30:06,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:06,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:30:06,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:06,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:30:06,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:06,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:30:06,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:30:06,193 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:30:06,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133232744] [2021-07-14 00:30:06,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133232744] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:30:06,193 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:30:06,193 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:30:06,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138458025] [2021-07-14 00:30:06,194 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:30:06,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:30:06,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:30:06,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:30:06,194 INFO L87 Difference]: Start difference. First operand 330 states and 402 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:30:07,299 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2021-07-14 00:30:07,466 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2021-07-14 00:30:07,662 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 70 [2021-07-14 00:30:07,844 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 74 [2021-07-14 00:30:08,051 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 78 [2021-07-14 00:30:08,268 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 83 [2021-07-14 00:30:08,650 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 85 [2021-07-14 00:30:09,035 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 89 [2021-07-14 00:30:09,314 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 93 [2021-07-14 00:30:09,618 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-07-14 00:30:09,773 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2021-07-14 00:30:10,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:30:10,936 INFO L93 Difference]: Finished difference Result 429 states and 532 transitions. [2021-07-14 00:30:10,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 00:30:10,936 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:30:10,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:30:10,936 INFO L225 Difference]: With dead ends: 429 [2021-07-14 00:30:10,937 INFO L226 Difference]: Without dead ends: 316 [2021-07-14 00:30:10,937 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 637 ImplicationChecksByTransitivity, 4771.7ms TimeCoverageRelationStatistics Valid=791, Invalid=3765, Unknown=0, NotChecked=0, Total=4556 [2021-07-14 00:30:10,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2021-07-14 00:30:10,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 313. [2021-07-14 00:30:10,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 312 states have (on average 1.2211538461538463) internal successors, (381), 312 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:30:10,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 381 transitions. [2021-07-14 00:30:10,939 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 381 transitions. Word has length 120 [2021-07-14 00:30:10,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:30:10,939 INFO L482 AbstractCegarLoop]: Abstraction has 313 states and 381 transitions. [2021-07-14 00:30:10,939 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:30:10,940 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 381 transitions. [2021-07-14 00:30:10,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:30:10,940 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:30:10,940 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:30:10,940 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-07-14 00:30:10,940 INFO L430 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:30:10,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:30:10,940 INFO L82 PathProgramCache]: Analyzing trace with hash -2060503259, now seen corresponding path program 79 times [2021-07-14 00:30:10,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:30:10,941 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807593177] [2021-07-14 00:30:10,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:30:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:30:11,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:11,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:30:11,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:11,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:30:11,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:11,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:30:11,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:11,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:30:11,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:11,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:30:11,082 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-07-14 00:30:11,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-14 00:30:11,103 INFO L142 QuantifierPusher]: treesize reduction 20, result has 67.7 percent of original size [2021-07-14 00:30:11,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:30:11,136 INFO L142 QuantifierPusher]: treesize reduction 20, result has 71.8 percent of original size [2021-07-14 00:30:11,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:30:11,173 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-14 00:30:11,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:30:11,191 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-14 00:30:11,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:30:11,211 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-14 00:30:11,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:30:11,229 INFO L142 QuantifierPusher]: treesize reduction 19, result has 65.5 percent of original size [2021-07-14 00:30:11,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:30:11,250 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-14 00:30:11,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:30:11,274 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:30:11,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:30:11,295 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:30:11,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:30:11,317 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:11,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:11,341 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:11,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:11,373 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:11,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:11,399 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:11,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:11,426 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:11,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:11,454 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:11,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:11,485 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.7 percent of original size [2021-07-14 00:30:11,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:30:11,519 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:30:11,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:30:11,542 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-14 00:30:11,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:30:11,574 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-14 00:30:11,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:30:11,608 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:30:11,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:30:11,644 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.8 percent of original size [2021-07-14 00:30:11,645 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-07-14 00:30:11,694 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:30:11,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:30:11,728 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:30:11,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:30:11,755 INFO L142 QuantifierPusher]: treesize reduction 24, result has 41.5 percent of original size [2021-07-14 00:30:11,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:30:11,786 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:30:11,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:30:11,820 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:30:11,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:30:11,821 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-14 00:30:11,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:30:11,851 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:30:11,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:30:11,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:11,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:30:11,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:11,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:30:11,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:11,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:30:11,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:11,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:30:11,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:30:11,969 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:30:11,969 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807593177] [2021-07-14 00:30:11,969 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807593177] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:30:11,969 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:30:11,969 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:30:11,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170767086] [2021-07-14 00:30:11,969 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:30:11,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:30:11,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:30:11,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:30:11,970 INFO L87 Difference]: Start difference. First operand 313 states and 381 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:30:13,209 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 65 [2021-07-14 00:30:13,373 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 69 [2021-07-14 00:30:13,566 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2021-07-14 00:30:13,783 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 77 [2021-07-14 00:30:14,012 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 82 [2021-07-14 00:30:14,398 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-07-14 00:30:14,783 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 88 [2021-07-14 00:30:15,219 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-14 00:30:15,555 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2021-07-14 00:30:16,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:30:16,401 INFO L93 Difference]: Finished difference Result 409 states and 507 transitions. [2021-07-14 00:30:16,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 00:30:16,402 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:30:16,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:30:16,402 INFO L225 Difference]: With dead ends: 409 [2021-07-14 00:30:16,402 INFO L226 Difference]: Without dead ends: 315 [2021-07-14 00:30:16,402 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 622 ImplicationChecksByTransitivity, 4489.1ms TimeCoverageRelationStatistics Valid=745, Invalid=3677, Unknown=0, NotChecked=0, Total=4422 [2021-07-14 00:30:16,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2021-07-14 00:30:16,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 312. [2021-07-14 00:30:16,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 311 states have (on average 1.2186495176848875) internal successors, (379), 311 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:30:16,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 379 transitions. [2021-07-14 00:30:16,405 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 379 transitions. Word has length 120 [2021-07-14 00:30:16,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:30:16,405 INFO L482 AbstractCegarLoop]: Abstraction has 312 states and 379 transitions. [2021-07-14 00:30:16,405 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:30:16,405 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 379 transitions. [2021-07-14 00:30:16,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:30:16,405 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:30:16,406 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:30:16,406 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-07-14 00:30:16,406 INFO L430 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:30:16,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:30:16,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1619871875, now seen corresponding path program 80 times [2021-07-14 00:30:16,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:30:16,406 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048401810] [2021-07-14 00:30:16,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:30:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:30:16,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:16,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:30:16,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:16,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:30:16,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:16,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:30:16,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:16,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:30:16,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:16,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:30:16,566 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-07-14 00:30:16,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-14 00:30:16,587 INFO L142 QuantifierPusher]: treesize reduction 20, result has 67.7 percent of original size [2021-07-14 00:30:16,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:30:16,622 INFO L142 QuantifierPusher]: treesize reduction 20, result has 71.8 percent of original size [2021-07-14 00:30:16,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:30:16,660 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-14 00:30:16,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:30:16,677 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-14 00:30:16,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:30:16,695 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-14 00:30:16,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:30:16,712 INFO L142 QuantifierPusher]: treesize reduction 19, result has 65.5 percent of original size [2021-07-14 00:30:16,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:30:16,734 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-14 00:30:16,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:30:16,757 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:30:16,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:30:16,778 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:30:16,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:30:16,800 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:16,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:16,823 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:16,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:16,847 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:16,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:16,873 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:16,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:16,899 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:16,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:16,927 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:16,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:16,957 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.7 percent of original size [2021-07-14 00:30:16,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:30:16,990 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:30:16,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:30:17,012 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-14 00:30:17,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:30:17,042 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:30:17,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:30:17,074 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:30:17,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:30:17,109 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.8 percent of original size [2021-07-14 00:30:17,109 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-07-14 00:30:17,160 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:30:17,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:30:17,194 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:30:17,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:30:17,221 INFO L142 QuantifierPusher]: treesize reduction 24, result has 41.5 percent of original size [2021-07-14 00:30:17,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:30:17,253 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:30:17,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:30:17,286 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:30:17,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:30:17,287 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-14 00:30:17,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:30:17,316 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:30:17,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:30:17,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:17,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:30:17,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:17,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:30:17,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:17,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:30:17,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:17,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:30:17,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:30:17,433 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:30:17,433 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048401810] [2021-07-14 00:30:17,433 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048401810] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:30:17,433 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:30:17,433 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:30:17,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411990176] [2021-07-14 00:30:17,434 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:30:17,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:30:17,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:30:17,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:30:17,434 INFO L87 Difference]: Start difference. First operand 312 states and 379 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:30:18,528 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 61 [2021-07-14 00:30:18,711 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 65 [2021-07-14 00:30:18,893 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 69 [2021-07-14 00:30:19,099 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2021-07-14 00:30:19,311 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 77 [2021-07-14 00:30:19,545 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 82 [2021-07-14 00:30:19,912 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-07-14 00:30:20,349 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-14 00:30:20,503 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-07-14 00:30:20,835 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-14 00:30:21,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:30:21,690 INFO L93 Difference]: Finished difference Result 405 states and 501 transitions. [2021-07-14 00:30:21,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 00:30:21,690 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:30:21,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:30:21,691 INFO L225 Difference]: With dead ends: 405 [2021-07-14 00:30:21,691 INFO L226 Difference]: Without dead ends: 292 [2021-07-14 00:30:21,691 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 610 ImplicationChecksByTransitivity, 4278.8ms TimeCoverageRelationStatistics Valid=703, Invalid=3587, Unknown=0, NotChecked=0, Total=4290 [2021-07-14 00:30:21,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2021-07-14 00:30:21,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2021-07-14 00:30:21,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 291 states have (on average 1.2199312714776633) internal successors, (355), 291 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:30:21,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 355 transitions. [2021-07-14 00:30:21,695 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 355 transitions. Word has length 120 [2021-07-14 00:30:21,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:30:21,695 INFO L482 AbstractCegarLoop]: Abstraction has 292 states and 355 transitions. [2021-07-14 00:30:21,695 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:30:21,695 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 355 transitions. [2021-07-14 00:30:21,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:30:21,696 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:30:21,696 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:30:21,696 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-07-14 00:30:21,696 INFO L430 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:30:21,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:30:21,697 INFO L82 PathProgramCache]: Analyzing trace with hash -919223297, now seen corresponding path program 81 times [2021-07-14 00:30:21,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:30:21,697 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147488757] [2021-07-14 00:30:21,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:30:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:30:21,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:21,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:30:21,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:21,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:30:21,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:21,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:30:21,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:21,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:30:21,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:21,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:30:21,847 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-14 00:30:21,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:30:21,860 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-14 00:30:21,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:30:21,881 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-14 00:30:21,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:30:21,919 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-14 00:30:21,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:30:21,937 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-14 00:30:21,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:30:21,957 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-14 00:30:21,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:21,975 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-14 00:30:21,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:30:21,997 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-14 00:30:21,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:30:22,020 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:30:22,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:30:22,042 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-14 00:30:22,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:30:22,064 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:22,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:22,087 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:22,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:22,112 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:22,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:22,138 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:22,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:22,166 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:22,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:22,194 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:22,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:22,223 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-14 00:30:22,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:22,254 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-07-14 00:30:22,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-14 00:30:22,317 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-14 00:30:22,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:30:22,344 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-14 00:30:22,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:30:22,398 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-14 00:30:22,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:30:22,446 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-14 00:30:22,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:30:22,493 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-14 00:30:22,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:30:22,529 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:30:22,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:30:22,562 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:30:22,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:30:22,563 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:30:22,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:30:22,599 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:30:22,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:30:22,636 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:30:22,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:30:22,670 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:30:22,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:30:22,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:22,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:30:22,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:22,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:30:22,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:22,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:30:22,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:22,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:30:22,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:30:22,781 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:30:22,781 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147488757] [2021-07-14 00:30:22,781 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147488757] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:30:22,782 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:30:22,782 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:30:22,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228380335] [2021-07-14 00:30:22,782 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:30:22,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:30:22,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:30:22,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:30:22,782 INFO L87 Difference]: Start difference. First operand 292 states and 355 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:30:24,026 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2021-07-14 00:30:24,195 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 70 [2021-07-14 00:30:24,382 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 74 [2021-07-14 00:30:24,602 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2021-07-14 00:30:24,839 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 82 [2021-07-14 00:30:25,180 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 87 [2021-07-14 00:30:25,517 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 91 [2021-07-14 00:30:25,826 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-14 00:30:27,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:30:27,121 INFO L93 Difference]: Finished difference Result 390 states and 483 transitions. [2021-07-14 00:30:27,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 00:30:27,122 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:30:27,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:30:27,122 INFO L225 Difference]: With dead ends: 390 [2021-07-14 00:30:27,122 INFO L226 Difference]: Without dead ends: 294 [2021-07-14 00:30:27,123 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 560 ImplicationChecksByTransitivity, 4380.1ms TimeCoverageRelationStatistics Valid=729, Invalid=3431, Unknown=0, NotChecked=0, Total=4160 [2021-07-14 00:30:27,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-07-14 00:30:27,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 292. [2021-07-14 00:30:27,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 291 states have (on average 1.2164948453608246) internal successors, (354), 291 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:30:27,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 354 transitions. [2021-07-14 00:30:27,125 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 354 transitions. Word has length 120 [2021-07-14 00:30:27,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:30:27,125 INFO L482 AbstractCegarLoop]: Abstraction has 292 states and 354 transitions. [2021-07-14 00:30:27,125 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:30:27,125 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 354 transitions. [2021-07-14 00:30:27,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:30:27,126 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:30:27,126 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:30:27,126 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-07-14 00:30:27,126 INFO L430 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:30:27,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:30:27,126 INFO L82 PathProgramCache]: Analyzing trace with hash -571086527, now seen corresponding path program 82 times [2021-07-14 00:30:27,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:30:27,126 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123825982] [2021-07-14 00:30:27,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:30:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:30:27,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:27,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:30:27,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:27,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:30:27,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:27,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:30:27,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:27,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:30:27,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:27,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:30:27,265 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-14 00:30:27,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:30:27,277 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-14 00:30:27,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:30:27,297 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-14 00:30:27,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:30:27,334 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-14 00:30:27,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:30:27,352 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-14 00:30:27,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:30:27,370 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-14 00:30:27,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:27,389 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.8 percent of original size [2021-07-14 00:30:27,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:30:27,411 INFO L142 QuantifierPusher]: treesize reduction 21, result has 66.1 percent of original size [2021-07-14 00:30:27,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:30:27,433 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:30:27,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:30:27,454 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:30:27,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:30:27,475 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:30:27,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:27,498 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:30:27,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:27,522 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:30:27,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:27,548 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:30:27,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:27,574 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:30:27,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:27,602 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:30:27,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:27,631 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:30:27,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:27,660 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.4 percent of original size [2021-07-14 00:30:27,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-14 00:30:27,721 INFO L142 QuantifierPusher]: treesize reduction 21, result has 68.2 percent of original size [2021-07-14 00:30:27,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:30:27,746 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-07-14 00:30:27,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:30:27,803 INFO L142 QuantifierPusher]: treesize reduction 55, result has 32.9 percent of original size [2021-07-14 00:30:27,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:30:27,844 INFO L142 QuantifierPusher]: treesize reduction 53, result has 38.4 percent of original size [2021-07-14 00:30:27,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:30:27,887 INFO L142 QuantifierPusher]: treesize reduction 28, result has 45.1 percent of original size [2021-07-14 00:30:27,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:30:27,919 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:30:27,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:30:27,945 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:30:27,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:30:27,946 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:30:27,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:30:27,977 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:30:27,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:30:28,011 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:30:28,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:30:28,040 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:30:28,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:30:28,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:28,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:30:28,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:28,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:30:28,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:28,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:30:28,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:28,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:30:28,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:30:28,150 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:30:28,150 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123825982] [2021-07-14 00:30:28,150 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123825982] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:30:28,150 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:30:28,150 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:30:28,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132065271] [2021-07-14 00:30:28,151 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:30:28,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:30:28,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:30:28,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:30:28,151 INFO L87 Difference]: Start difference. First operand 292 states and 354 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:30:29,269 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2021-07-14 00:30:29,432 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2021-07-14 00:30:29,609 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 70 [2021-07-14 00:30:29,793 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 74 [2021-07-14 00:30:30,000 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2021-07-14 00:30:30,227 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 82 [2021-07-14 00:30:30,567 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 87 [2021-07-14 00:30:30,876 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 89 [2021-07-14 00:30:31,149 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 93 [2021-07-14 00:30:32,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:30:32,711 INFO L93 Difference]: Finished difference Result 388 states and 480 transitions. [2021-07-14 00:30:32,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 00:30:32,711 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:30:32,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:30:32,711 INFO L225 Difference]: With dead ends: 388 [2021-07-14 00:30:32,711 INFO L226 Difference]: Without dead ends: 285 [2021-07-14 00:30:32,712 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 612 ImplicationChecksByTransitivity, 4544.4ms TimeCoverageRelationStatistics Valid=767, Invalid=3655, Unknown=0, NotChecked=0, Total=4422 [2021-07-14 00:30:32,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2021-07-14 00:30:32,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 283. [2021-07-14 00:30:32,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 282 states have (on average 1.2127659574468086) internal successors, (342), 282 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:30:32,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 342 transitions. [2021-07-14 00:30:32,714 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 342 transitions. Word has length 120 [2021-07-14 00:30:32,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:30:32,714 INFO L482 AbstractCegarLoop]: Abstraction has 283 states and 342 transitions. [2021-07-14 00:30:32,714 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:30:32,714 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 342 transitions. [2021-07-14 00:30:32,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:30:32,715 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:30:32,715 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:30:32,715 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-07-14 00:30:32,715 INFO L430 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:30:32,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:30:32,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1332266655, now seen corresponding path program 83 times [2021-07-14 00:30:32,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:30:32,715 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475929840] [2021-07-14 00:30:32,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:30:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:30:32,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:32,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:30:32,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:32,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:30:32,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:32,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:30:32,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:32,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:30:32,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:32,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:30:32,865 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-07-14 00:30:32,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-14 00:30:32,896 INFO L142 QuantifierPusher]: treesize reduction 20, result has 67.7 percent of original size [2021-07-14 00:30:32,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:30:32,929 INFO L142 QuantifierPusher]: treesize reduction 20, result has 71.8 percent of original size [2021-07-14 00:30:32,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:30:32,967 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.9 percent of original size [2021-07-14 00:30:32,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:30:32,996 INFO L142 QuantifierPusher]: treesize reduction 12, result has 78.6 percent of original size [2021-07-14 00:30:32,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:30:33,033 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-07-14 00:30:33,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:30:33,065 INFO L142 QuantifierPusher]: treesize reduction 16, result has 75.0 percent of original size [2021-07-14 00:30:33,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-14 00:30:33,103 INFO L142 QuantifierPusher]: treesize reduction 16, result has 76.5 percent of original size [2021-07-14 00:30:33,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-14 00:30:33,141 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-14 00:30:33,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:30:33,178 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-14 00:30:33,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:30:33,216 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-14 00:30:33,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:30:33,253 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-14 00:30:33,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:30:33,291 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-14 00:30:33,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:30:33,330 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-14 00:30:33,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:30:33,373 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-14 00:30:33,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:30:33,418 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-14 00:30:33,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:30:33,467 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-14 00:30:33,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:30:33,517 INFO L142 QuantifierPusher]: treesize reduction 41, result has 60.6 percent of original size [2021-07-14 00:30:33,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-07-14 00:30:33,584 INFO L142 QuantifierPusher]: treesize reduction 41, result has 58.6 percent of original size [2021-07-14 00:30:33,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-14 00:30:33,612 INFO L142 QuantifierPusher]: treesize reduction 46, result has 53.1 percent of original size [2021-07-14 00:30:33,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-14 00:30:33,671 INFO L142 QuantifierPusher]: treesize reduction 41, result has 58.6 percent of original size [2021-07-14 00:30:33,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-14 00:30:33,735 INFO L142 QuantifierPusher]: treesize reduction 58, result has 58.0 percent of original size [2021-07-14 00:30:33,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-07-14 00:30:33,810 INFO L142 QuantifierPusher]: treesize reduction 31, result has 58.1 percent of original size [2021-07-14 00:30:33,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:30:33,859 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-14 00:30:33,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:30:33,890 INFO L142 QuantifierPusher]: treesize reduction 41, result has 43.8 percent of original size [2021-07-14 00:30:33,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:30:33,934 INFO L142 QuantifierPusher]: treesize reduction 29, result has 56.7 percent of original size [2021-07-14 00:30:33,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:30:33,983 INFO L142 QuantifierPusher]: treesize reduction 29, result has 56.7 percent of original size [2021-07-14 00:30:33,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:30:33,984 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-14 00:30:33,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:30:34,016 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:30:34,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:30:34,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:34,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:30:34,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:34,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:30:34,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:34,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:30:34,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:34,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:30:34,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:30:34,136 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:30:34,136 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475929840] [2021-07-14 00:30:34,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475929840] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:30:34,136 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:30:34,136 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:30:34,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972063299] [2021-07-14 00:30:34,137 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:30:34,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:30:34,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:30:34,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:30:34,137 INFO L87 Difference]: Start difference. First operand 283 states and 342 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:30:35,240 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 62 [2021-07-14 00:30:35,413 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 66 [2021-07-14 00:30:35,609 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2021-07-14 00:30:35,815 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 75 [2021-07-14 00:30:36,052 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 79 [2021-07-14 00:30:36,310 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 83 [2021-07-14 00:30:36,672 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 89 [2021-07-14 00:30:37,015 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 91 [2021-07-14 00:30:37,317 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2021-07-14 00:30:37,467 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2021-07-14 00:30:37,820 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2021-07-14 00:30:38,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:30:38,711 INFO L93 Difference]: Finished difference Result 375 states and 463 transitions. [2021-07-14 00:30:38,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 00:30:38,711 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:30:38,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:30:38,711 INFO L225 Difference]: With dead ends: 375 [2021-07-14 00:30:38,711 INFO L226 Difference]: Without dead ends: 273 [2021-07-14 00:30:38,712 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 599 ImplicationChecksByTransitivity, 4978.3ms TimeCoverageRelationStatistics Valid=723, Invalid=3567, Unknown=0, NotChecked=0, Total=4290 [2021-07-14 00:30:38,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2021-07-14 00:30:38,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2021-07-14 00:30:38,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 272 states have (on average 1.2169117647058822) internal successors, (331), 272 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:30:38,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 331 transitions. [2021-07-14 00:30:38,714 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 331 transitions. Word has length 120 [2021-07-14 00:30:38,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:30:38,714 INFO L482 AbstractCegarLoop]: Abstraction has 273 states and 331 transitions. [2021-07-14 00:30:38,714 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:30:38,714 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 331 transitions. [2021-07-14 00:30:38,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:30:38,715 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:30:38,715 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:30:38,715 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-07-14 00:30:38,715 INFO L430 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:30:38,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:30:38,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1250083191, now seen corresponding path program 84 times [2021-07-14 00:30:38,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:30:38,715 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463704990] [2021-07-14 00:30:38,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:30:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:30:38,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:38,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:30:38,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:38,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:30:38,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:38,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:30:38,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:38,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:30:38,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:38,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:30:38,855 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-14 00:30:38,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:30:38,868 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-14 00:30:38,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:30:38,887 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-14 00:30:38,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:30:38,924 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-14 00:30:38,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:30:38,946 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-14 00:30:38,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:30:38,965 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-14 00:30:38,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:38,985 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.4 percent of original size [2021-07-14 00:30:38,985 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.5 percent of original size 37 [2021-07-14 00:30:39,019 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-14 00:30:39,020 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.2 percent of original size 41 [2021-07-14 00:30:39,052 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:30:39,053 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.7 percent of original size 33 [2021-07-14 00:30:39,084 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:30:39,085 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.7 percent of original size 33 [2021-07-14 00:30:39,117 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.0 percent of original size [2021-07-14 00:30:39,117 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.2 percent of original size 31 [2021-07-14 00:30:39,149 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.0 percent of original size [2021-07-14 00:30:39,150 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.2 percent of original size 31 [2021-07-14 00:30:39,185 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.0 percent of original size [2021-07-14 00:30:39,185 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.2 percent of original size 31 [2021-07-14 00:30:39,220 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.0 percent of original size [2021-07-14 00:30:39,220 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.2 percent of original size 31 [2021-07-14 00:30:39,256 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:30:39,256 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-14 00:30:39,293 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:30:39,294 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-14 00:30:39,333 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:30:39,334 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-14 00:30:39,374 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-14 00:30:39,374 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-14 00:30:39,419 INFO L142 QuantifierPusher]: treesize reduction 40, result has 50.6 percent of original size [2021-07-14 00:30:39,421 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.7 percent of original size 38 [2021-07-14 00:30:39,470 INFO L142 QuantifierPusher]: treesize reduction 40, result has 47.4 percent of original size [2021-07-14 00:30:39,470 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.7 percent of original size 33 [2021-07-14 00:30:39,496 INFO L142 QuantifierPusher]: treesize reduction 42, result has 41.7 percent of original size [2021-07-14 00:30:39,496 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size 27 [2021-07-14 00:30:39,539 INFO L142 QuantifierPusher]: treesize reduction 40, result has 47.4 percent of original size [2021-07-14 00:30:39,540 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.7 percent of original size 33 [2021-07-14 00:30:39,586 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-14 00:30:39,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:30:39,619 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:30:39,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:30:39,646 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:30:39,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:30:39,647 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:30:39,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:30:39,680 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:30:39,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:30:39,716 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:30:39,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:30:39,746 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:30:39,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:30:39,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:39,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:30:39,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:39,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:30:39,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:39,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:30:39,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:39,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:30:39,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:30:39,856 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:30:39,856 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463704990] [2021-07-14 00:30:39,856 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463704990] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:30:39,856 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:30:39,856 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:30:39,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288866629] [2021-07-14 00:30:39,856 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:30:39,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:30:39,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:30:39,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:30:39,857 INFO L87 Difference]: Start difference. First operand 273 states and 331 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:30:41,090 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2021-07-14 00:30:41,261 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 70 [2021-07-14 00:30:41,462 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 75 [2021-07-14 00:30:41,676 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 79 [2021-07-14 00:30:41,906 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 83 [2021-07-14 00:30:42,177 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 87 [2021-07-14 00:30:42,470 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 91 [2021-07-14 00:30:42,888 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 93 [2021-07-14 00:30:44,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:30:44,178 INFO L93 Difference]: Finished difference Result 313 states and 378 transitions. [2021-07-14 00:30:44,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 00:30:44,179 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:30:44,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:30:44,179 INFO L225 Difference]: With dead ends: 313 [2021-07-14 00:30:44,179 INFO L226 Difference]: Without dead ends: 203 [2021-07-14 00:30:44,179 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 562 ImplicationChecksByTransitivity, 4468.5ms TimeCoverageRelationStatistics Valid=729, Invalid=3431, Unknown=0, NotChecked=0, Total=4160 [2021-07-14 00:30:44,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2021-07-14 00:30:44,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2021-07-14 00:30:44,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 202 states have (on average 1.1683168316831682) internal successors, (236), 202 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:30:44,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 236 transitions. [2021-07-14 00:30:44,181 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 236 transitions. Word has length 120 [2021-07-14 00:30:44,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:30:44,181 INFO L482 AbstractCegarLoop]: Abstraction has 203 states and 236 transitions. [2021-07-14 00:30:44,181 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:30:44,181 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 236 transitions. [2021-07-14 00:30:44,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-14 00:30:44,182 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:30:44,182 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-14 00:30:44,182 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-07-14 00:30:44,182 INFO L430 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:30:44,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:30:44,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1371450371, now seen corresponding path program 85 times [2021-07-14 00:30:44,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:30:44,182 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306229785] [2021-07-14 00:30:44,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:30:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:30:44,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:44,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:30:44,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:44,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:30:44,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:44,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:30:44,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:44,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:30:44,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:44,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:30:44,313 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-07-14 00:30:44,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:30:44,338 INFO L142 QuantifierPusher]: treesize reduction 27, result has 63.0 percent of original size [2021-07-14 00:30:44,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-14 00:30:44,376 INFO L142 QuantifierPusher]: treesize reduction 23, result has 72.3 percent of original size [2021-07-14 00:30:44,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-14 00:30:44,419 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-14 00:30:44,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:30:44,437 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-14 00:30:44,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:30:44,456 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-14 00:30:44,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:30:44,474 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-14 00:30:44,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:30:44,495 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-14 00:30:44,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:30:44,518 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:30:44,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:30:44,541 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-14 00:30:44,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:30:44,563 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:30:44,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:44,586 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:30:44,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:44,609 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:30:44,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:44,633 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-14 00:30:44,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:30:44,659 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-14 00:30:44,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:30:44,688 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:30:44,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:30:44,721 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-14 00:30:44,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:30:44,748 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-14 00:30:44,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-14 00:30:44,777 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-07-14 00:30:44,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:30:44,803 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-07-14 00:30:44,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:30:44,833 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-07-14 00:30:44,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:30:44,868 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-07-14 00:30:44,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:30:44,921 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:30:44,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:30:44,963 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:30:44,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:30:44,992 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:30:44,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:30:45,026 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:30:45,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:30:45,062 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-14 00:30:45,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:30:45,095 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-14 00:30:45,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:30:45,096 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:30:45,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:30:45,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:45,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:30:45,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:45,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:30:45,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:45,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:30:45,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:30:45,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:30:45,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 00:30:45,214 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:30:45,214 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306229785] [2021-07-14 00:30:45,215 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306229785] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:30:45,215 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:30:45,215 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:30:45,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454482989] [2021-07-14 00:30:45,215 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:30:45,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:30:45,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:30:45,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:30:45,216 INFO L87 Difference]: Start difference. First operand 203 states and 236 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:30:46,403 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 61 [2021-07-14 00:30:46,578 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 65 [2021-07-14 00:30:46,763 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2021-07-14 00:30:46,970 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 74 [2021-07-14 00:30:47,208 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 76 [2021-07-14 00:30:47,773 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 66 [2021-07-14 00:30:47,942 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 70 [2021-07-14 00:30:48,134 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 74 [2021-07-14 00:30:48,371 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 76 [2021-07-14 00:30:49,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:30:49,238 INFO L93 Difference]: Finished difference Result 201 states and 234 transitions. [2021-07-14 00:30:49,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 00:30:49,239 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-14 00:30:49,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:30:49,239 INFO L225 Difference]: With dead ends: 201 [2021-07-14 00:30:49,239 INFO L226 Difference]: Without dead ends: 0 [2021-07-14 00:30:49,239 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 571 ImplicationChecksByTransitivity, 4147.6ms TimeCoverageRelationStatistics Valid=622, Invalid=3410, Unknown=0, NotChecked=0, Total=4032 [2021-07-14 00:30:49,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-14 00:30:49,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-14 00:30:49,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:30:49,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-14 00:30:49,240 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 120 [2021-07-14 00:30:49,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:30:49,240 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-14 00:30:49,240 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:30:49,240 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-14 00:30:49,240 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-14 00:30:49,240 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-07-14 00:30:49,242 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 00:30:49,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 12:30:49 BasicIcfg [2021-07-14 00:30:49,243 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 00:30:49,243 INFO L168 Benchmark]: Toolchain (without parser) took 587557.91 ms. Allocated memory was 201.3 MB in the beginning and 420.5 MB in the end (delta: 219.2 MB). Free memory was 162.3 MB in the beginning and 108.5 MB in the end (delta: 53.8 MB). Peak memory consumption was 273.3 MB. Max. memory is 8.0 GB. [2021-07-14 00:30:49,244 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 201.3 MB. Free memory is still 182.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 00:30:49,244 INFO L168 Benchmark]: CACSL2BoogieTranslator took 612.64 ms. Allocated memory is still 201.3 MB. Free memory was 162.1 MB in the beginning and 143.5 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-07-14 00:30:49,244 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.48 ms. Allocated memory is still 201.3 MB. Free memory was 143.5 MB in the beginning and 140.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-07-14 00:30:49,244 INFO L168 Benchmark]: Boogie Preprocessor took 35.16 ms. Allocated memory is still 201.3 MB. Free memory was 140.4 MB in the beginning and 137.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-14 00:30:49,244 INFO L168 Benchmark]: RCFGBuilder took 625.59 ms. Allocated memory was 201.3 MB in the beginning and 242.2 MB in the end (delta: 40.9 MB). Free memory was 137.3 MB in the beginning and 201.9 MB in the end (delta: -64.7 MB). Peak memory consumption was 30.8 MB. Max. memory is 8.0 GB. [2021-07-14 00:30:49,244 INFO L168 Benchmark]: TraceAbstraction took 586239.10 ms. Allocated memory was 242.2 MB in the beginning and 420.5 MB in the end (delta: 178.3 MB). Free memory was 201.4 MB in the beginning and 108.5 MB in the end (delta: 93.0 MB). Peak memory consumption was 271.2 MB. Max. memory is 8.0 GB. [2021-07-14 00:30:49,244 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 201.3 MB. Free memory is still 182.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 612.64 ms. Allocated memory is still 201.3 MB. Free memory was 162.1 MB in the beginning and 143.5 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 41.48 ms. Allocated memory is still 201.3 MB. Free memory was 143.5 MB in the beginning and 140.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 35.16 ms. Allocated memory is still 201.3 MB. Free memory was 140.4 MB in the beginning and 137.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 625.59 ms. Allocated memory was 201.3 MB in the beginning and 242.2 MB in the end (delta: 40.9 MB). Free memory was 137.3 MB in the beginning and 201.9 MB in the end (delta: -64.7 MB). Peak memory consumption was 30.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 586239.10 ms. Allocated memory was 242.2 MB in the beginning and 420.5 MB in the end (delta: 178.3 MB). Free memory was 201.4 MB in the beginning and 108.5 MB in the end (delta: 93.0 MB). Peak memory consumption was 271.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19687, positive: 18809, positive conditional: 18809, positive unconditional: 0, negative: 878, negative conditional: 878, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19463, positive: 18809, positive conditional: 0, positive unconditional: 18809, negative: 654, negative conditional: 0, negative unconditional: 654, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1787, positive: 1737, positive conditional: 0, positive unconditional: 1737, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1787, positive: 1735, positive conditional: 0, positive unconditional: 1735, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 52, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 18, unknown conditional: 0, unknown unconditional: 18] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67840, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 1812, negative conditional: 0, negative unconditional: 1812, unknown: 66005, unknown conditional: 0, unknown unconditional: 66005] ], Cache Queries: [ total: 19463, positive: 17072, positive conditional: 0, positive unconditional: 17072, negative: 604, negative conditional: 0, negative unconditional: 604, unknown: 1787, unknown conditional: 0, unknown unconditional: 1787] , Statistics on independence cache: Total cache size (in pairs): 1787, Positive cache size: 1737, Positive conditional cache size: 0, Positive unconditional cache size: 1737, Negative cache size: 50, Negative conditional cache size: 0, Negative unconditional cache size: 50, Independence queries for same thread: 224 - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 4 procedures, 178 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 586135.3ms, OverallIterations: 103, TraceHistogramMax: 1, EmptinessCheckTime: 114.5ms, AutomataDifference: 412877.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 68195.7ms, PartialOrderReductionTime: 68176.4ms, HoareTripleCheckerStatistics: 12358 SDtfs, 108935 SDslu, 200347 SDs, 0 SdLazy, 139514 SolverSat, 10668 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 71247.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6777 GetRequests, 303 SyntacticMatches, 217 SemanticMatches, 6257 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66582 ImplicationChecksByTransitivity, 411503.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=9349occurred in iteration=0, InterpolantAutomatonStates: 3616, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 893.7ms AutomataMinimizationTime, 103 MinimizatonAttempts, 6410 StatesRemovedByMinimization, 83 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 181.6ms SsaConstructionTime, 1420.4ms SatisfiabilityAnalysisTime, 101571.4ms InterpolantComputationTime, 11966 NumberOfCodeBlocks, 11966 NumberOfCodeBlocksAsserted, 103 NumberOfCheckSat, 11863 ConstructedInterpolants, 0 QuantifiedInterpolants, 272738 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 103 InterpolantComputations, 103 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...