/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_2-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 00:21:03,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 00:21:03,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 00:21:03,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 00:21:03,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 00:21:03,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 00:21:03,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 00:21:03,635 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 00:21:03,655 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 00:21:03,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 00:21:03,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 00:21:03,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 00:21:03,657 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 00:21:03,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 00:21:03,658 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 00:21:03,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 00:21:03,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 00:21:03,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 00:21:03,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 00:21:03,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 00:21:03,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 00:21:03,659 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 00:21:03,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 00:21:03,659 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 00:21:03,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 00:21:03,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 00:21:03,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 00:21:03,660 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 00:21:03,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 00:21:03,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 00:21:03,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 00:21:03,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 00:21:03,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 00:21:03,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 00:21:03,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 00:21:03,661 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 00:21:03,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 00:21:03,661 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-07-14 00:21:03,661 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 00:21:03,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 00:21:03,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 00:21:03,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 00:21:03,984 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 00:21:03,986 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 00:21:03,986 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2021-07-14 00:21:04,052 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f596e69c/0752f2c34345465fa5049531d5d4198d/FLAGb045ee7f8 [2021-07-14 00:21:04,568 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 00:21:04,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2021-07-14 00:21:04,601 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f596e69c/0752f2c34345465fa5049531d5d4198d/FLAGb045ee7f8 [2021-07-14 00:21:04,842 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f596e69c/0752f2c34345465fa5049531d5d4198d [2021-07-14 00:21:04,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 00:21:04,852 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 00:21:04,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 00:21:04,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 00:21:04,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 00:21:04,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:21:04" (1/1) ... [2021-07-14 00:21:04,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59a1f2b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:04, skipping insertion in model container [2021-07-14 00:21:04,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:21:04" (1/1) ... [2021-07-14 00:21:04,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 00:21:04,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 00:21:05,049 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-07-14 00:21:05,358 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_2-container_of.i[75002,75015] [2021-07-14 00:21:05,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 00:21:05,384 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 00:21:05,394 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-07-14 00:21:05,449 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_2-container_of.i[75002,75015] [2021-07-14 00:21:05,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 00:21:05,537 INFO L208 MainTranslator]: Completed translation [2021-07-14 00:21:05,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:05 WrapperNode [2021-07-14 00:21:05,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 00:21:05,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 00:21:05,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 00:21:05,539 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 00:21:05,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:05" (1/1) ... [2021-07-14 00:21:05,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:05" (1/1) ... [2021-07-14 00:21:05,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 00:21:05,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 00:21:05,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 00:21:05,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 00:21:05,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:05" (1/1) ... [2021-07-14 00:21:05,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:05" (1/1) ... [2021-07-14 00:21:05,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:05" (1/1) ... [2021-07-14 00:21:05,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:05" (1/1) ... [2021-07-14 00:21:05,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:05" (1/1) ... [2021-07-14 00:21:05,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:05" (1/1) ... [2021-07-14 00:21:05,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:05" (1/1) ... [2021-07-14 00:21:05,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 00:21:05,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 00:21:05,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 00:21:05,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 00:21:05,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:05" (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 00:21:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-14 00:21:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 00:21:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-14 00:21:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-14 00:21:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-07-14 00:21:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 00:21:05,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 00:21:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-07-14 00:21:05,719 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-07-14 00:21:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 00:21:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 00:21:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 00:21:05,720 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 00:21:06,287 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 00:21:06,287 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2021-07-14 00:21:06,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:21:06 BoogieIcfgContainer [2021-07-14 00:21:06,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 00:21:06,290 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 00:21:06,290 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 00:21:06,292 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 00:21:06,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:21:04" (1/3) ... [2021-07-14 00:21:06,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67748c2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:21:06, skipping insertion in model container [2021-07-14 00:21:06,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:21:05" (2/3) ... [2021-07-14 00:21:06,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67748c2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:21:06, skipping insertion in model container [2021-07-14 00:21:06,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:21:06" (3/3) ... [2021-07-14 00:21:06,294 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2021-07-14 00:21:06,298 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 00:21:06,298 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 00:21:06,299 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-07-14 00:21:06,299 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 00:21:06,330 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,330 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,330 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,331 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,331 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,331 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,331 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,331 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,331 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,331 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,332 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,332 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,332 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,332 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,332 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,332 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,332 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,332 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,332 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,333 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,333 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,333 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,333 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,333 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,333 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,333 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,334 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,334 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,334 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,334 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,334 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,334 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,334 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,335 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,335 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,335 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,335 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,335 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,335 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,336 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,336 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,336 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,336 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,336 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,336 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,337 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,337 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,337 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,337 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,337 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,337 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,338 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,338 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,338 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,338 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,338 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,338 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,338 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,339 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,339 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,339 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,339 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,339 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,340 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,340 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,340 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,340 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,340 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,340 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,340 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,341 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,341 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,341 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,341 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,341 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,341 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,341 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,342 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,342 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,342 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,342 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,342 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,342 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,342 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,342 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,343 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,343 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,343 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,343 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,343 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,343 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,343 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,344 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,344 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,344 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,344 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,344 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,344 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,345 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,345 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,345 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,345 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,345 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,345 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,346 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,346 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,346 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,346 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,346 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,346 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,347 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,347 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,347 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,347 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,347 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,348 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,349 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,350 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,350 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,350 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,350 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,350 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,351 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,351 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,351 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,351 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,351 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,351 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,354 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,354 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,354 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,354 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,354 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,354 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,355 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,355 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,355 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,355 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,355 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,355 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 00:21:06,364 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-14 00:21:06,384 INFO L255 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-07-14 00:21:06,400 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 00:21:06,400 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 00:21:06,400 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 00:21:06,400 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 00:21:06,400 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 00:21:06,400 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 00:21:06,400 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 00:21:06,400 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 00:22:04,772 INFO L276 IsEmpty]: Start isEmpty. Operand has 5107 states, 4657 states have (on average 1.505690358599957) internal successors, (7012), 5106 states have internal predecessors, (7012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:04,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-07-14 00:22:04,779 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:04,779 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] [2021-07-14 00:22:04,780 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:04,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:04,788 INFO L82 PathProgramCache]: Analyzing trace with hash 918719424, now seen corresponding path program 1 times [2021-07-14 00:22:04,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:04,797 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471324121] [2021-07-14 00:22:04,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:05,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:05,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:05,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:05,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:05,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:05,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:05,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:05,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:05,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:05,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:05,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:05,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:05,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:05,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:05,452 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 00:22:05,452 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:05,452 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471324121] [2021-07-14 00:22:05,453 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471324121] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:05,453 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:05,453 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 00:22:05,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397814833] [2021-07-14 00:22:05,456 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 00:22:05,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:05,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 00:22:05,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 00:22:05,478 INFO L87 Difference]: Start difference. First operand has 5107 states, 4657 states have (on average 1.505690358599957) internal successors, (7012), 5106 states have internal predecessors, (7012), 0 states have call successors, (0), 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 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:05,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:05,938 INFO L93 Difference]: Finished difference Result 6833 states and 9601 transitions. [2021-07-14 00:22:05,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 00:22:05,940 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2021-07-14 00:22:05,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:05,973 INFO L225 Difference]: With dead ends: 6833 [2021-07-14 00:22:05,973 INFO L226 Difference]: Without dead ends: 3480 [2021-07-14 00:22:05,974 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 313.6ms TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-07-14 00:22:06,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3480 states. [2021-07-14 00:22:06,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3480 to 2454. [2021-07-14 00:22:06,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2454 states, 2429 states have (on average 1.5257307533964595) internal successors, (3706), 2453 states have internal predecessors, (3706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:06,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2454 states to 2454 states and 3706 transitions. [2021-07-14 00:22:06,130 INFO L78 Accepts]: Start accepts. Automaton has 2454 states and 3706 transitions. Word has length 48 [2021-07-14 00:22:06,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:06,130 INFO L482 AbstractCegarLoop]: Abstraction has 2454 states and 3706 transitions. [2021-07-14 00:22:06,130 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:06,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2454 states and 3706 transitions. [2021-07-14 00:22:06,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-07-14 00:22:06,136 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:06,136 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] [2021-07-14 00:22:06,136 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 00:22:06,137 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:06,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:06,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1316640901, now seen corresponding path program 1 times [2021-07-14 00:22:06,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:06,140 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873888974] [2021-07-14 00:22:06,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:06,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:06,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:06,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:06,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:06,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:06,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:06,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:06,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:06,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:06,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:06,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:06,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:06,310 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 00:22:06,311 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:06,311 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873888974] [2021-07-14 00:22:06,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873888974] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:06,316 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:06,317 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 00:22:06,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084216436] [2021-07-14 00:22:06,318 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 00:22:06,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:06,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 00:22:06,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 00:22:06,325 INFO L87 Difference]: Start difference. First operand 2454 states and 3706 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:06,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:06,667 INFO L93 Difference]: Finished difference Result 3730 states and 5820 transitions. [2021-07-14 00:22:06,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 00:22:06,668 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2021-07-14 00:22:06,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:06,680 INFO L225 Difference]: With dead ends: 3730 [2021-07-14 00:22:06,680 INFO L226 Difference]: Without dead ends: 2990 [2021-07-14 00:22:06,681 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 132.4ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-07-14 00:22:06,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2990 states. [2021-07-14 00:22:06,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2990 to 2545. [2021-07-14 00:22:06,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2545 states, 2521 states have (on average 1.6660055533518445) internal successors, (4200), 2544 states have internal predecessors, (4200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:06,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 2545 states and 4200 transitions. [2021-07-14 00:22:06,747 INFO L78 Accepts]: Start accepts. Automaton has 2545 states and 4200 transitions. Word has length 54 [2021-07-14 00:22:06,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:06,747 INFO L482 AbstractCegarLoop]: Abstraction has 2545 states and 4200 transitions. [2021-07-14 00:22:06,748 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:06,748 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 4200 transitions. [2021-07-14 00:22:06,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-07-14 00:22:06,754 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:06,755 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 00:22:06,755 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 00:22:06,755 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:06,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:06,756 INFO L82 PathProgramCache]: Analyzing trace with hash -745166919, now seen corresponding path program 1 times [2021-07-14 00:22:06,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:06,756 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426379642] [2021-07-14 00:22:06,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:06,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:06,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:06,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:06,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:06,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:06,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:06,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:06,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:06,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:06,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:06,893 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 00:22:06,893 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:06,894 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426379642] [2021-07-14 00:22:06,894 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426379642] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:06,894 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:06,894 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 00:22:06,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934652724] [2021-07-14 00:22:06,895 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 00:22:06,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:06,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 00:22:06,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-14 00:22:06,895 INFO L87 Difference]: Start difference. First operand 2545 states and 4200 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 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 00:22:06,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:06,930 INFO L93 Difference]: Finished difference Result 453 states and 607 transitions. [2021-07-14 00:22:06,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 00:22:06,931 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 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 00:22:06,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:06,934 INFO L225 Difference]: With dead ends: 453 [2021-07-14 00:22:06,934 INFO L226 Difference]: Without dead ends: 453 [2021-07-14 00:22:06,934 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 28.8ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-14 00:22:06,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2021-07-14 00:22:06,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 453. [2021-07-14 00:22:06,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 451 states have (on average 1.3458980044345898) internal successors, (607), 452 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:06,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 607 transitions. [2021-07-14 00:22:06,945 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 607 transitions. Word has length 66 [2021-07-14 00:22:06,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:06,947 INFO L482 AbstractCegarLoop]: Abstraction has 453 states and 607 transitions. [2021-07-14 00:22:06,947 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 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 00:22:06,947 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 607 transitions. [2021-07-14 00:22:06,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-07-14 00:22:06,949 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:06,950 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] [2021-07-14 00:22:06,950 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 00:22:06,950 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:06,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:06,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1052669211, now seen corresponding path program 1 times [2021-07-14 00:22:06,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:06,952 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928027953] [2021-07-14 00:22:06,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:07,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:07,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:07,228 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-07-14 00:22:07,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:07,236 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-14 00:22:07,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:07,248 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-14 00:22:07,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:07,283 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-14 00:22:07,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:22:07,303 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-14 00:22:07,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-14 00:22:07,322 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-14 00:22:07,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-14 00:22:07,349 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:07,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:07,369 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:07,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:07,392 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:07,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:07,416 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:07,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:07,445 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-07-14 00:22:07,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:22:07,499 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-07-14 00:22:07,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:22:07,565 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-07-14 00:22:07,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:22:07,587 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:07,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:07,609 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:07,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:07,610 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-07-14 00:22:07,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:07,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:07,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:07,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:07,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:07,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:07,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:07,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:07,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:07,696 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 00:22:07,696 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:07,696 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928027953] [2021-07-14 00:22:07,696 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928027953] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:07,697 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:07,697 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-07-14 00:22:07,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31200273] [2021-07-14 00:22:07,698 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 00:22:07,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:07,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 00:22:07,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-14 00:22:07,699 INFO L87 Difference]: Start difference. First operand 453 states and 607 transitions. Second operand has 19 states, 19 states have (on average 4.947368421052632) internal successors, (94), 19 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:08,347 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2021-07-14 00:22:08,518 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-07-14 00:22:09,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:09,104 INFO L93 Difference]: Finished difference Result 531 states and 713 transitions. [2021-07-14 00:22:09,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 00:22:09,104 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.947368421052632) internal successors, (94), 19 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2021-07-14 00:22:09,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:09,106 INFO L225 Difference]: With dead ends: 531 [2021-07-14 00:22:09,106 INFO L226 Difference]: Without dead ends: 531 [2021-07-14 00:22:09,107 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 1380.4ms TimeCoverageRelationStatistics Valid=280, Invalid=910, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:22:09,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2021-07-14 00:22:09,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 523. [2021-07-14 00:22:09,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 521 states have (on average 1.3550863723608446) internal successors, (706), 522 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:09,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 706 transitions. [2021-07-14 00:22:09,117 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 706 transitions. Word has length 94 [2021-07-14 00:22:09,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:09,117 INFO L482 AbstractCegarLoop]: Abstraction has 523 states and 706 transitions. [2021-07-14 00:22:09,117 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 4.947368421052632) internal successors, (94), 19 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:09,117 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 706 transitions. [2021-07-14 00:22:09,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-07-14 00:22:09,119 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:09,119 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] [2021-07-14 00:22:09,119 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 00:22:09,119 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:09,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:09,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1657614555, now seen corresponding path program 2 times [2021-07-14 00:22:09,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:09,120 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101397270] [2021-07-14 00:22:09,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:09,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:09,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:09,373 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-07-14 00:22:09,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:09,379 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-14 00:22:09,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:09,389 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-14 00:22:09,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:09,401 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-14 00:22:09,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:22:09,419 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-14 00:22:09,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-14 00:22:09,436 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-14 00:22:09,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:09,456 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-14 00:22:09,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:09,478 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-14 00:22:09,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:09,501 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-14 00:22:09,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:09,526 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-14 00:22:09,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:09,556 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.7 percent of original size [2021-07-14 00:22:09,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:22:09,610 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-14 00:22:09,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:22:09,659 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-14 00:22:09,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:22:09,736 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-14 00:22:09,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:22:09,787 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-14 00:22:09,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:22:09,846 INFO L142 QuantifierPusher]: treesize reduction 73, result has 38.7 percent of original size [2021-07-14 00:22:09,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-14 00:22:09,912 INFO L142 QuantifierPusher]: treesize reduction 76, result has 47.2 percent of original size [2021-07-14 00:22:09,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-07-14 00:22:09,992 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size [2021-07-14 00:22:09,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:10,020 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.9 percent of original size [2021-07-14 00:22:10,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:22:10,043 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:10,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:10,068 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:10,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:10,070 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-07-14 00:22:10,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:10,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:10,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:10,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:10,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:10,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:10,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:10,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:10,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:10,162 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 00:22:10,163 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:10,163 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101397270] [2021-07-14 00:22:10,163 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101397270] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:10,163 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:10,163 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-07-14 00:22:10,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081145639] [2021-07-14 00:22:10,164 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 00:22:10,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:10,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 00:22:10,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2021-07-14 00:22:10,165 INFO L87 Difference]: Start difference. First operand 523 states and 706 transitions. Second operand has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:11,071 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2021-07-14 00:22:11,244 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2021-07-14 00:22:11,543 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2021-07-14 00:22:11,715 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2021-07-14 00:22:11,982 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-07-14 00:22:12,250 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2021-07-14 00:22:12,549 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-07-14 00:22:12,898 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2021-07-14 00:22:13,053 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2021-07-14 00:22:13,228 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2021-07-14 00:22:13,378 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2021-07-14 00:22:13,536 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2021-07-14 00:22:13,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:13,542 INFO L93 Difference]: Finished difference Result 1024 states and 1493 transitions. [2021-07-14 00:22:13,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 00:22:13,548 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2021-07-14 00:22:13,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:13,552 INFO L225 Difference]: With dead ends: 1024 [2021-07-14 00:22:13,552 INFO L226 Difference]: Without dead ends: 1024 [2021-07-14 00:22:13,553 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 3329.8ms TimeCoverageRelationStatistics Valid=468, Invalid=1424, Unknown=0, NotChecked=0, Total=1892 [2021-07-14 00:22:13,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2021-07-14 00:22:13,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 601. [2021-07-14 00:22:13,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 599 states have (on average 1.4357262103505843) internal successors, (860), 600 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:13,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 860 transitions. [2021-07-14 00:22:13,570 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 860 transitions. Word has length 94 [2021-07-14 00:22:13,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:13,571 INFO L482 AbstractCegarLoop]: Abstraction has 601 states and 860 transitions. [2021-07-14 00:22:13,571 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:13,571 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 860 transitions. [2021-07-14 00:22:13,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-07-14 00:22:13,573 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:13,573 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] [2021-07-14 00:22:13,573 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-14 00:22:13,573 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:13,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:13,574 INFO L82 PathProgramCache]: Analyzing trace with hash -529124927, now seen corresponding path program 1 times [2021-07-14 00:22:13,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:13,574 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87004823] [2021-07-14 00:22:13,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:13,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:13,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:22:13,816 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-07-14 00:22:13,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-14 00:22:13,823 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-07-14 00:22:13,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:13,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:13,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:13,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-14 00:22:13,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:13,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:13,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:13,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:13,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:13,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:13,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:22:14,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:14,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:14,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:14,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:14,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:14,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:14,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:14,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:14,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:14,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:22:14,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:14,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:14,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:14,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-14 00:22:14,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:14,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:22:14,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:14,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:22:14,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:14,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:22:14,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:14,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:22:14,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:14,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:22:14,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:14,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:22:14,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:14,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-14 00:22:14,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:14,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:14,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:14,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:14,502 INFO L142 QuantifierPusher]: treesize reduction 7, result has 96.9 percent of original size [2021-07-14 00:22:14,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-07-14 00:22:14,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:14,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:14,591 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 00:22:14,591 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:14,591 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87004823] [2021-07-14 00:22:14,591 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87004823] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:14,591 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:14,591 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-07-14 00:22:14,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828773449] [2021-07-14 00:22:14,592 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 00:22:14,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:14,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 00:22:14,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=557, Unknown=0, NotChecked=0, Total=650 [2021-07-14 00:22:14,593 INFO L87 Difference]: Start difference. First operand 601 states and 860 transitions. Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:17,400 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2021-07-14 00:22:17,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:17,692 INFO L93 Difference]: Finished difference Result 994 states and 1475 transitions. [2021-07-14 00:22:17,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 00:22:17,692 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2021-07-14 00:22:17,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:17,695 INFO L225 Difference]: With dead ends: 994 [2021-07-14 00:22:17,695 INFO L226 Difference]: Without dead ends: 929 [2021-07-14 00:22:17,697 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 2838.7ms TimeCoverageRelationStatistics Valid=983, Invalid=3177, Unknown=0, NotChecked=0, Total=4160 [2021-07-14 00:22:17,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2021-07-14 00:22:17,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 760. [2021-07-14 00:22:17,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 758 states have (on average 1.5197889182058046) internal successors, (1152), 759 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:17,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1152 transitions. [2021-07-14 00:22:17,713 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1152 transitions. Word has length 94 [2021-07-14 00:22:17,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:17,713 INFO L482 AbstractCegarLoop]: Abstraction has 760 states and 1152 transitions. [2021-07-14 00:22:17,714 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:17,714 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1152 transitions. [2021-07-14 00:22:17,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-07-14 00:22:17,715 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:17,716 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] [2021-07-14 00:22:17,716 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-14 00:22:17,716 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:17,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:17,716 INFO L82 PathProgramCache]: Analyzing trace with hash 695102051, now seen corresponding path program 3 times [2021-07-14 00:22:17,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:17,717 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049506533] [2021-07-14 00:22:17,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:17,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:17,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:17,839 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-07-14 00:22:17,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:17,845 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-14 00:22:17,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:17,854 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-14 00:22:17,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:17,865 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-14 00:22:17,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:22:17,881 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-14 00:22:17,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-14 00:22:17,896 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-14 00:22:17,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-14 00:22:17,912 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:17,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:17,926 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:17,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:17,943 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:17,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:17,960 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:17,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:17,980 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-07-14 00:22:17,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:22:18,033 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-07-14 00:22:18,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:22:18,076 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-07-14 00:22:18,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-14 00:22:18,112 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:18,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:18,133 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:18,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:18,134 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-07-14 00:22:18,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:18,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:18,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:18,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:18,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:18,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:18,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:18,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:18,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:18,193 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 00:22:18,194 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:18,194 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049506533] [2021-07-14 00:22:18,194 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049506533] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:18,194 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:18,194 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-07-14 00:22:18,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086679742] [2021-07-14 00:22:18,195 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 00:22:18,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:18,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 00:22:18,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-14 00:22:18,196 INFO L87 Difference]: Start difference. First operand 760 states and 1152 transitions. Second operand has 19 states, 19 states have (on average 4.947368421052632) internal successors, (94), 19 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:18,923 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-07-14 00:22:19,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:19,338 INFO L93 Difference]: Finished difference Result 919 states and 1369 transitions. [2021-07-14 00:22:19,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 00:22:19,338 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.947368421052632) internal successors, (94), 19 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2021-07-14 00:22:19,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:19,342 INFO L225 Difference]: With dead ends: 919 [2021-07-14 00:22:19,342 INFO L226 Difference]: Without dead ends: 919 [2021-07-14 00:22:19,343 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 1024.4ms TimeCoverageRelationStatistics Valid=280, Invalid=910, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:22:19,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2021-07-14 00:22:19,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 772. [2021-07-14 00:22:19,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 770 states have (on average 1.5272727272727273) internal successors, (1176), 771 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:19,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1176 transitions. [2021-07-14 00:22:19,360 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1176 transitions. Word has length 94 [2021-07-14 00:22:19,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:19,360 INFO L482 AbstractCegarLoop]: Abstraction has 772 states and 1176 transitions. [2021-07-14 00:22:19,361 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 4.947368421052632) internal successors, (94), 19 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:19,361 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1176 transitions. [2021-07-14 00:22:19,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-07-14 00:22:19,362 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:19,363 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] [2021-07-14 00:22:19,363 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-14 00:22:19,363 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:19,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:19,363 INFO L82 PathProgramCache]: Analyzing trace with hash -2102480803, now seen corresponding path program 4 times [2021-07-14 00:22:19,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:19,364 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540044510] [2021-07-14 00:22:19,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:19,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:19,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:19,483 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-07-14 00:22:19,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:19,492 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-14 00:22:19,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:19,502 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-14 00:22:19,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:19,513 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-14 00:22:19,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:22:19,532 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-14 00:22:19,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-14 00:22:19,546 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-07-14 00:22:19,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:19,567 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-07-14 00:22:19,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:19,591 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size [2021-07-14 00:22:19,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:19,612 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size [2021-07-14 00:22:19,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:19,637 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size [2021-07-14 00:22:19,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:19,681 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size [2021-07-14 00:22:19,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:19,708 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-14 00:22:19,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:22:19,735 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-14 00:22:19,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:22:19,764 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-14 00:22:19,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:22:19,794 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-14 00:22:19,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:22:19,828 INFO L142 QuantifierPusher]: treesize reduction 49, result has 43.7 percent of original size [2021-07-14 00:22:19,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:22:19,884 INFO L142 QuantifierPusher]: treesize reduction 53, result has 49.5 percent of original size [2021-07-14 00:22:19,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-14 00:22:19,951 INFO L142 QuantifierPusher]: treesize reduction 53, result has 52.7 percent of original size [2021-07-14 00:22:19,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-14 00:22:19,981 INFO L142 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size [2021-07-14 00:22:19,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:20,013 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:20,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:20,042 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 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 17 [2021-07-14 00:22:20,043 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-07-14 00:22:20,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:20,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:20,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:20,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:20,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:20,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:20,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:20,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:20,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:20,128 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 00:22:20,128 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:20,128 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540044510] [2021-07-14 00:22:20,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540044510] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:20,128 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:20,128 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-07-14 00:22:20,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155587932] [2021-07-14 00:22:20,129 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 00:22:20,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:20,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 00:22:20,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-07-14 00:22:20,130 INFO L87 Difference]: Start difference. First operand 772 states and 1176 transitions. Second operand has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:21,101 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2021-07-14 00:22:21,285 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2021-07-14 00:22:21,511 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2021-07-14 00:22:21,790 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2021-07-14 00:22:22,017 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2021-07-14 00:22:22,264 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 78 [2021-07-14 00:22:22,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:22,955 INFO L93 Difference]: Finished difference Result 923 states and 1399 transitions. [2021-07-14 00:22:22,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 00:22:22,955 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2021-07-14 00:22:22,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:22,959 INFO L225 Difference]: With dead ends: 923 [2021-07-14 00:22:22,959 INFO L226 Difference]: Without dead ends: 923 [2021-07-14 00:22:22,960 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 2782.7ms TimeCoverageRelationStatistics Valid=449, Invalid=1621, Unknown=0, NotChecked=0, Total=2070 [2021-07-14 00:22:22,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2021-07-14 00:22:22,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 784. [2021-07-14 00:22:22,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 782 states have (on average 1.5396419437340154) internal successors, (1204), 783 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:22,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1204 transitions. [2021-07-14 00:22:22,974 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1204 transitions. Word has length 94 [2021-07-14 00:22:22,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:22,974 INFO L482 AbstractCegarLoop]: Abstraction has 784 states and 1204 transitions. [2021-07-14 00:22:22,974 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:22,974 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1204 transitions. [2021-07-14 00:22:22,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-07-14 00:22:22,976 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:22,976 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] [2021-07-14 00:22:22,976 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-14 00:22:22,976 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:22,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:22,977 INFO L82 PathProgramCache]: Analyzing trace with hash 87528003, now seen corresponding path program 5 times [2021-07-14 00:22:22,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:22,977 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195569018] [2021-07-14 00:22:22,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:23,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:23,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:23,116 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-07-14 00:22:23,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:23,121 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-14 00:22:23,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:23,131 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-14 00:22:23,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:23,141 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-14 00:22:23,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:22:23,158 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-14 00:22:23,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-14 00:22:23,173 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-14 00:22:23,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:23,196 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-14 00:22:23,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:23,216 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-14 00:22:23,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:23,234 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-14 00:22:23,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:23,254 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-14 00:22:23,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:23,275 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-14 00:22:23,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:23,300 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-14 00:22:23,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:23,335 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-14 00:22:23,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:23,362 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-14 00:22:23,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:23,392 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-14 00:22:23,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:22:23,450 INFO L142 QuantifierPusher]: treesize reduction 73, result has 38.7 percent of original size [2021-07-14 00:22:23,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-14 00:22:23,518 INFO L142 QuantifierPusher]: treesize reduction 76, result has 47.2 percent of original size [2021-07-14 00:22:23,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-07-14 00:22:23,592 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size [2021-07-14 00:22:23,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:23,616 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.9 percent of original size [2021-07-14 00:22:23,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:22:23,634 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:23,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:23,657 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:23,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:23,666 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-07-14 00:22:23,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:23,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:23,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:23,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:23,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:23,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:23,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:23,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:23,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:23,750 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 00:22:23,750 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:23,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195569018] [2021-07-14 00:22:23,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195569018] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:23,750 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:23,750 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-07-14 00:22:23,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805083417] [2021-07-14 00:22:23,750 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 00:22:23,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:23,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 00:22:23,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2021-07-14 00:22:23,751 INFO L87 Difference]: Start difference. First operand 784 states and 1204 transitions. Second operand has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:24,712 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2021-07-14 00:22:24,894 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2021-07-14 00:22:25,080 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-07-14 00:22:25,300 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2021-07-14 00:22:25,532 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-07-14 00:22:26,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:26,344 INFO L93 Difference]: Finished difference Result 1043 states and 1585 transitions. [2021-07-14 00:22:26,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 00:22:26,344 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2021-07-14 00:22:26,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:26,347 INFO L225 Difference]: With dead ends: 1043 [2021-07-14 00:22:26,347 INFO L226 Difference]: Without dead ends: 1043 [2021-07-14 00:22:26,348 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 2566.2ms TimeCoverageRelationStatistics Valid=454, Invalid=1616, Unknown=0, NotChecked=0, Total=2070 [2021-07-14 00:22:26,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2021-07-14 00:22:26,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 788. [2021-07-14 00:22:26,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 786 states have (on average 1.5407124681933841) internal successors, (1211), 787 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:26,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1211 transitions. [2021-07-14 00:22:26,363 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1211 transitions. Word has length 94 [2021-07-14 00:22:26,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:26,363 INFO L482 AbstractCegarLoop]: Abstraction has 788 states and 1211 transitions. [2021-07-14 00:22:26,363 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:26,363 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1211 transitions. [2021-07-14 00:22:26,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-07-14 00:22:26,365 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:26,365 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] [2021-07-14 00:22:26,365 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-07-14 00:22:26,365 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:26,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:26,366 INFO L82 PathProgramCache]: Analyzing trace with hash 479496471, now seen corresponding path program 6 times [2021-07-14 00:22:26,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:26,366 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937258122] [2021-07-14 00:22:26,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:26,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:26,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:26,503 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-07-14 00:22:26,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:26,509 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-14 00:22:26,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:26,518 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-14 00:22:26,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:26,529 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-14 00:22:26,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:22:26,545 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-14 00:22:26,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-14 00:22:26,565 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-14 00:22:26,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:26,584 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-14 00:22:26,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:26,603 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-14 00:22:26,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:26,622 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-14 00:22:26,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:26,642 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-14 00:22:26,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:26,663 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-14 00:22:26,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:26,687 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-14 00:22:26,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:26,713 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-14 00:22:26,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:26,737 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-14 00:22:26,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:22:26,778 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-14 00:22:26,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:22:26,825 INFO L142 QuantifierPusher]: treesize reduction 73, result has 38.7 percent of original size [2021-07-14 00:22:26,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-14 00:22:26,881 INFO L142 QuantifierPusher]: treesize reduction 76, result has 47.2 percent of original size [2021-07-14 00:22:26,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-07-14 00:22:26,964 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size [2021-07-14 00:22:26,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:26,995 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.9 percent of original size [2021-07-14 00:22:26,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:22:27,019 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:27,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:27,047 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:27,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:27,048 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-07-14 00:22:27,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:27,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:27,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:27,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:27,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:27,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:27,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:27,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:27,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:27,127 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 00:22:27,127 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:27,127 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937258122] [2021-07-14 00:22:27,127 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937258122] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:27,127 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:27,127 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-07-14 00:22:27,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892384600] [2021-07-14 00:22:27,127 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 00:22:27,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:27,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 00:22:27,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2021-07-14 00:22:27,128 INFO L87 Difference]: Start difference. First operand 788 states and 1211 transitions. Second operand has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:27,947 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2021-07-14 00:22:28,105 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2021-07-14 00:22:28,275 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 63 [2021-07-14 00:22:28,455 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-07-14 00:22:28,661 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2021-07-14 00:22:28,900 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-07-14 00:22:29,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:29,610 INFO L93 Difference]: Finished difference Result 1058 states and 1609 transitions. [2021-07-14 00:22:29,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 00:22:29,610 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2021-07-14 00:22:29,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:29,614 INFO L225 Difference]: With dead ends: 1058 [2021-07-14 00:22:29,615 INFO L226 Difference]: Without dead ends: 1058 [2021-07-14 00:22:29,615 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 2494.4ms TimeCoverageRelationStatistics Valid=456, Invalid=1614, Unknown=0, NotChecked=0, Total=2070 [2021-07-14 00:22:29,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2021-07-14 00:22:29,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 796. [2021-07-14 00:22:29,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 794 states have (on average 1.5428211586901763) internal successors, (1225), 795 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:29,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1225 transitions. [2021-07-14 00:22:29,630 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1225 transitions. Word has length 94 [2021-07-14 00:22:29,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:29,630 INFO L482 AbstractCegarLoop]: Abstraction has 796 states and 1225 transitions. [2021-07-14 00:22:29,630 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:29,630 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1225 transitions. [2021-07-14 00:22:29,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-07-14 00:22:29,632 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:29,632 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] [2021-07-14 00:22:29,632 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-07-14 00:22:29,633 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:29,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:29,633 INFO L82 PathProgramCache]: Analyzing trace with hash 364290617, now seen corresponding path program 7 times [2021-07-14 00:22:29,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:29,633 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615903253] [2021-07-14 00:22:29,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:29,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:29,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:29,782 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-07-14 00:22:29,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:29,787 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-14 00:22:29,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:29,796 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-14 00:22:29,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:29,806 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-14 00:22:29,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:22:29,822 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-14 00:22:29,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-14 00:22:29,836 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-14 00:22:29,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:29,855 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-14 00:22:29,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:29,875 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-14 00:22:29,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:29,893 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-14 00:22:29,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:29,913 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-14 00:22:29,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:29,936 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-14 00:22:29,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:29,962 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-14 00:22:29,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:29,991 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-14 00:22:29,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:22:30,046 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-14 00:22:30,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:22:30,100 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-14 00:22:30,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:22:30,162 INFO L142 QuantifierPusher]: treesize reduction 73, result has 38.7 percent of original size [2021-07-14 00:22:30,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-14 00:22:30,229 INFO L142 QuantifierPusher]: treesize reduction 76, result has 47.2 percent of original size [2021-07-14 00:22:30,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-07-14 00:22:30,292 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size [2021-07-14 00:22:30,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:30,320 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.9 percent of original size [2021-07-14 00:22:30,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:22:30,339 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:30,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:30,360 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:30,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:30,361 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-07-14 00:22:30,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:30,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:30,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:30,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:30,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:30,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:30,435 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 00:22:30,436 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:30,436 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615903253] [2021-07-14 00:22:30,436 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615903253] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:30,436 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:30,436 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-07-14 00:22:30,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381369187] [2021-07-14 00:22:30,436 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 00:22:30,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:30,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 00:22:30,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2021-07-14 00:22:30,437 INFO L87 Difference]: Start difference. First operand 796 states and 1225 transitions. Second operand has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:31,305 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2021-07-14 00:22:31,476 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2021-07-14 00:22:31,677 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2021-07-14 00:22:31,863 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-07-14 00:22:32,101 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2021-07-14 00:22:32,334 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-07-14 00:22:33,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:33,110 INFO L93 Difference]: Finished difference Result 1073 states and 1633 transitions. [2021-07-14 00:22:33,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 00:22:33,111 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2021-07-14 00:22:33,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:33,115 INFO L225 Difference]: With dead ends: 1073 [2021-07-14 00:22:33,115 INFO L226 Difference]: Without dead ends: 1073 [2021-07-14 00:22:33,115 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 2682.0ms TimeCoverageRelationStatistics Valid=458, Invalid=1612, Unknown=0, NotChecked=0, Total=2070 [2021-07-14 00:22:33,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2021-07-14 00:22:33,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 800. [2021-07-14 00:22:33,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 798 states have (on average 1.543859649122807) internal successors, (1232), 799 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:33,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1232 transitions. [2021-07-14 00:22:33,139 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1232 transitions. Word has length 94 [2021-07-14 00:22:33,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:33,140 INFO L482 AbstractCegarLoop]: Abstraction has 800 states and 1232 transitions. [2021-07-14 00:22:33,140 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:33,140 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1232 transitions. [2021-07-14 00:22:33,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-07-14 00:22:33,142 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:33,142 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] [2021-07-14 00:22:33,142 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-07-14 00:22:33,142 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:33,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:33,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1978183575, now seen corresponding path program 8 times [2021-07-14 00:22:33,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:33,143 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252705718] [2021-07-14 00:22:33,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:33,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:33,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:33,271 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-07-14 00:22:33,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:33,276 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-14 00:22:33,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:33,286 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-14 00:22:33,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:33,296 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-14 00:22:33,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:22:33,312 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-14 00:22:33,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-14 00:22:33,326 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-14 00:22:33,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:33,345 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-14 00:22:33,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:33,364 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-14 00:22:33,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:33,383 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-14 00:22:33,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:33,403 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-14 00:22:33,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:33,423 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-07-14 00:22:33,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:33,449 INFO L142 QuantifierPusher]: treesize reduction 41, result has 52.9 percent of original size [2021-07-14 00:22:33,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-14 00:22:33,505 INFO L142 QuantifierPusher]: treesize reduction 41, result has 52.9 percent of original size [2021-07-14 00:22:33,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-14 00:22:33,558 INFO L142 QuantifierPusher]: treesize reduction 41, result has 52.9 percent of original size [2021-07-14 00:22:33,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-14 00:22:33,612 INFO L142 QuantifierPusher]: treesize reduction 41, result has 52.9 percent of original size [2021-07-14 00:22:33,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-14 00:22:33,668 INFO L142 QuantifierPusher]: treesize reduction 81, result has 35.7 percent of original size [2021-07-14 00:22:33,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:22:33,737 INFO L142 QuantifierPusher]: treesize reduction 81, result has 46.4 percent of original size [2021-07-14 00:22:33,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-07-14 00:22:33,807 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size [2021-07-14 00:22:33,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:33,831 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size [2021-07-14 00:22:33,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:33,832 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.9 percent of original size [2021-07-14 00:22:33,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:22:33,850 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:33,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:33,871 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-07-14 00:22:33,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:33,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:33,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:33,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:33,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:33,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:33,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:33,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:33,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:33,951 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 00:22:33,951 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:33,951 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252705718] [2021-07-14 00:22:33,951 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252705718] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:33,951 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:33,951 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-07-14 00:22:33,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493171698] [2021-07-14 00:22:33,952 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 00:22:33,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:33,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 00:22:33,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2021-07-14 00:22:33,953 INFO L87 Difference]: Start difference. First operand 800 states and 1232 transitions. Second operand has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:34,937 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 55 [2021-07-14 00:22:35,096 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2021-07-14 00:22:35,260 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2021-07-14 00:22:35,483 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-07-14 00:22:35,706 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2021-07-14 00:22:35,941 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-07-14 00:22:36,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:36,660 INFO L93 Difference]: Finished difference Result 1027 states and 1542 transitions. [2021-07-14 00:22:36,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 00:22:36,662 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2021-07-14 00:22:36,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:36,665 INFO L225 Difference]: With dead ends: 1027 [2021-07-14 00:22:36,665 INFO L226 Difference]: Without dead ends: 1027 [2021-07-14 00:22:36,665 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 2705.9ms TimeCoverageRelationStatistics Valid=460, Invalid=1610, Unknown=0, NotChecked=0, Total=2070 [2021-07-14 00:22:36,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2021-07-14 00:22:36,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 748. [2021-07-14 00:22:36,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 746 states have (on average 1.517426273458445) internal successors, (1132), 747 states have internal predecessors, (1132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:36,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1132 transitions. [2021-07-14 00:22:36,678 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1132 transitions. Word has length 94 [2021-07-14 00:22:36,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:36,679 INFO L482 AbstractCegarLoop]: Abstraction has 748 states and 1132 transitions. [2021-07-14 00:22:36,679 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:36,679 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1132 transitions. [2021-07-14 00:22:36,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-07-14 00:22:36,680 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:36,680 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] [2021-07-14 00:22:36,681 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-07-14 00:22:36,681 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:36,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:36,681 INFO L82 PathProgramCache]: Analyzing trace with hash -31684649, now seen corresponding path program 9 times [2021-07-14 00:22:36,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:36,681 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53241400] [2021-07-14 00:22:36,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:36,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:36,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:36,821 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-07-14 00:22:36,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-14 00:22:36,830 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-14 00:22:36,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:36,840 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-14 00:22:36,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:36,850 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-14 00:22:36,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:22:36,866 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-14 00:22:36,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-14 00:22:36,880 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-14 00:22:36,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:36,899 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-14 00:22:36,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:36,919 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-14 00:22:36,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:36,942 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-07-14 00:22:36,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-14 00:22:36,968 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.7 percent of original size [2021-07-14 00:22:36,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:22:37,018 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.7 percent of original size [2021-07-14 00:22:37,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:22:37,070 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-14 00:22:37,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:22:37,115 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-14 00:22:37,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:22:37,161 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-14 00:22:37,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:22:37,210 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-14 00:22:37,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:22:37,262 INFO L142 QuantifierPusher]: treesize reduction 73, result has 38.7 percent of original size [2021-07-14 00:22:37,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-14 00:22:37,322 INFO L142 QuantifierPusher]: treesize reduction 76, result has 47.2 percent of original size [2021-07-14 00:22:37,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-07-14 00:22:37,391 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size [2021-07-14 00:22:37,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:22:37,413 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.9 percent of original size [2021-07-14 00:22:37,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:22:37,429 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:37,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:37,448 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-14 00:22:37,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:37,449 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-07-14 00:22:37,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:37,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:37,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:37,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:37,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:37,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:37,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:37,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:37,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:37,533 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 00:22:37,533 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:37,534 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53241400] [2021-07-14 00:22:37,534 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53241400] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:37,534 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:37,534 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-07-14 00:22:37,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124869155] [2021-07-14 00:22:37,534 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 00:22:37,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:37,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 00:22:37,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2021-07-14 00:22:37,535 INFO L87 Difference]: Start difference. First operand 748 states and 1132 transitions. Second operand has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:38,455 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2021-07-14 00:22:38,596 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2021-07-14 00:22:38,799 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2021-07-14 00:22:38,958 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2021-07-14 00:22:39,095 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2021-07-14 00:22:39,314 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2021-07-14 00:22:39,468 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2021-07-14 00:22:39,675 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-07-14 00:22:39,850 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2021-07-14 00:22:40,094 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2021-07-14 00:22:40,297 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-07-14 00:22:40,540 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-07-14 00:22:40,761 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2021-07-14 00:22:41,062 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2021-07-14 00:22:41,214 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2021-07-14 00:22:41,370 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2021-07-14 00:22:41,520 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2021-07-14 00:22:41,670 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2021-07-14 00:22:41,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:41,677 INFO L93 Difference]: Finished difference Result 944 states and 1401 transitions. [2021-07-14 00:22:41,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 00:22:41,678 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2021-07-14 00:22:41,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:41,680 INFO L225 Difference]: With dead ends: 944 [2021-07-14 00:22:41,680 INFO L226 Difference]: Without dead ends: 944 [2021-07-14 00:22:41,681 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 4169.6ms TimeCoverageRelationStatistics Valid=675, Invalid=1875, Unknown=0, NotChecked=0, Total=2550 [2021-07-14 00:22:41,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2021-07-14 00:22:41,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 598. [2021-07-14 00:22:41,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 597 states have (on average 1.4690117252931323) internal successors, (877), 597 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:41,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 877 transitions. [2021-07-14 00:22:41,691 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 877 transitions. Word has length 94 [2021-07-14 00:22:41,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:41,691 INFO L482 AbstractCegarLoop]: Abstraction has 598 states and 877 transitions. [2021-07-14 00:22:41,691 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 3.76) internal successors, (94), 25 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:41,691 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 877 transitions. [2021-07-14 00:22:41,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-07-14 00:22:41,692 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:41,693 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] [2021-07-14 00:22:41,693 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-07-14 00:22:41,693 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:41,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:41,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1458979909, now seen corresponding path program 1 times [2021-07-14 00:22:41,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:41,694 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598824310] [2021-07-14 00:22:41,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:41,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:41,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:41,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:41,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:22:41,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:41,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:41,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:41,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:22:41,914 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-07-14 00:22:41,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:41,938 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-07-14 00:22:41,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:41,963 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-14 00:22:41,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:22:42,005 INFO L142 QuantifierPusher]: treesize reduction 11, result has 75.6 percent of original size [2021-07-14 00:22:42,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:22:42,027 INFO L142 QuantifierPusher]: treesize reduction 11, result has 77.6 percent of original size [2021-07-14 00:22:42,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:22:42,049 INFO L142 QuantifierPusher]: treesize reduction 11, result has 73.2 percent of original size [2021-07-14 00:22:42,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:22:42,073 INFO L142 QuantifierPusher]: treesize reduction 19, result has 65.5 percent of original size [2021-07-14 00:22:42,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:22:42,100 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-14 00:22:42,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:22:42,127 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:22:42,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:22:42,155 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:22:42,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:22:42,181 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:22:42,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:22:42,209 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:22:42,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:22:42,239 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-14 00:22:42,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:22:42,271 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-14 00:22:42,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-14 00:22:42,307 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.2 percent of original size [2021-07-14 00:22:42,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:22:42,330 INFO L142 QuantifierPusher]: treesize reduction 19, result has 59.6 percent of original size [2021-07-14 00:22:42,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:42,365 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-14 00:22:42,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-14 00:22:42,401 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-14 00:22:42,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:22:42,431 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-14 00:22:42,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:22:42,468 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-14 00:22:42,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:22:42,499 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-14 00:22:42,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:22:42,535 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-14 00:22:42,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-14 00:22:42,569 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-07-14 00:22:42,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:22:42,603 INFO L142 QuantifierPusher]: treesize reduction 44, result has 36.2 percent of original size [2021-07-14 00:22:42,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-14 00:22:42,648 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:22:42,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:42,677 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:22:42,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:42,678 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:22:42,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:42,693 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:22:42,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:42,729 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:22:42,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:42,730 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-07-14 00:22:42,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-14 00:22:42,765 INFO L142 QuantifierPusher]: treesize reduction 12, result has 58.6 percent of original size [2021-07-14 00:22:42,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:42,797 INFO L142 QuantifierPusher]: treesize reduction 12, result has 58.6 percent of original size [2021-07-14 00:22:42,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:42,831 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:22:42,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:42,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:42,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:42,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:42,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:42,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:42,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:42,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:42,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:42,929 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 00:22:42,929 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:42,929 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598824310] [2021-07-14 00:22:42,929 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598824310] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:42,929 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:42,929 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:22:42,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076522650] [2021-07-14 00:22:42,930 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:22:42,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:42,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:22:42,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1105, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:22:42,931 INFO L87 Difference]: Start difference. First operand 598 states and 877 transitions. Second operand has 35 states, 35 states have (on average 2.857142857142857) internal successors, (100), 35 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:43,953 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2021-07-14 00:22:44,113 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 61 [2021-07-14 00:22:44,313 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2021-07-14 00:22:44,536 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2021-07-14 00:22:45,279 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2021-07-14 00:22:45,469 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 71 [2021-07-14 00:22:45,686 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2021-07-14 00:22:46,100 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 81 [2021-07-14 00:22:47,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:47,035 INFO L93 Difference]: Finished difference Result 909 states and 1351 transitions. [2021-07-14 00:22:47,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 00:22:47,035 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.857142857142857) internal successors, (100), 35 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2021-07-14 00:22:47,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:47,037 INFO L225 Difference]: With dead ends: 909 [2021-07-14 00:22:47,037 INFO L226 Difference]: Without dead ends: 807 [2021-07-14 00:22:47,038 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 533 ImplicationChecksByTransitivity, 3960.2ms TimeCoverageRelationStatistics Valid=575, Invalid=3207, Unknown=0, NotChecked=0, Total=3782 [2021-07-14 00:22:47,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2021-07-14 00:22:47,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 622. [2021-07-14 00:22:47,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 621 states have (on average 1.4702093397745573) internal successors, (913), 621 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:47,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 913 transitions. [2021-07-14 00:22:47,048 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 913 transitions. Word has length 100 [2021-07-14 00:22:47,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:47,048 INFO L482 AbstractCegarLoop]: Abstraction has 622 states and 913 transitions. [2021-07-14 00:22:47,048 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.857142857142857) internal successors, (100), 35 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:47,049 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 913 transitions. [2021-07-14 00:22:47,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-07-14 00:22:47,050 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:47,050 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] [2021-07-14 00:22:47,050 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-07-14 00:22:47,050 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:47,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:47,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1899219883, now seen corresponding path program 2 times [2021-07-14 00:22:47,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:47,051 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913930699] [2021-07-14 00:22:47,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:47,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:47,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:47,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:47,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:22:47,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:47,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:47,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:47,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:22:47,269 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-07-14 00:22:47,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:47,293 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-07-14 00:22:47,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:22:47,319 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.0 percent of original size [2021-07-14 00:22:47,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:22:47,362 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.9 percent of original size [2021-07-14 00:22:47,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:22:47,399 INFO L142 QuantifierPusher]: treesize reduction 12, result has 78.6 percent of original size [2021-07-14 00:22:47,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:22:47,428 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-07-14 00:22:47,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:22:47,455 INFO L142 QuantifierPusher]: treesize reduction 16, result has 75.0 percent of original size [2021-07-14 00:22:47,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-14 00:22:47,492 INFO L142 QuantifierPusher]: treesize reduction 16, result has 76.5 percent of original size [2021-07-14 00:22:47,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-14 00:22:47,548 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-14 00:22:47,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:22:47,585 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-14 00:22:47,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:22:47,624 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-14 00:22:47,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:22:47,665 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-14 00:22:47,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:22:47,709 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-14 00:22:47,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:22:47,765 INFO L142 QuantifierPusher]: treesize reduction 39, result has 62.1 percent of original size [2021-07-14 00:22:47,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-14 00:22:47,835 INFO L142 QuantifierPusher]: treesize reduction 39, result has 60.2 percent of original size [2021-07-14 00:22:47,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-14 00:22:47,864 INFO L142 QuantifierPusher]: treesize reduction 39, result has 57.6 percent of original size [2021-07-14 00:22:47,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-14 00:22:47,928 INFO L142 QuantifierPusher]: treesize reduction 39, result has 57.1 percent of original size [2021-07-14 00:22:47,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-14 00:22:48,011 INFO L142 QuantifierPusher]: treesize reduction 39, result has 57.1 percent of original size [2021-07-14 00:22:48,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-14 00:22:48,084 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.0 percent of original size [2021-07-14 00:22:48,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:22:48,142 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.0 percent of original size [2021-07-14 00:22:48,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:22:48,192 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.0 percent of original size [2021-07-14 00:22:48,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:22:48,245 INFO L142 QuantifierPusher]: treesize reduction 27, result has 67.9 percent of original size [2021-07-14 00:22:48,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-07-14 00:22:48,308 INFO L142 QuantifierPusher]: treesize reduction 27, result has 63.5 percent of original size [2021-07-14 00:22:48,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-07-14 00:22:48,340 INFO L142 QuantifierPusher]: treesize reduction 57, result has 41.2 percent of original size [2021-07-14 00:22:48,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:22:48,426 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:22:48,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:48,477 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:22:48,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:48,479 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:22:48,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:48,480 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:22:48,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:48,522 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:22:48,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:48,523 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-07-14 00:22:48,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-14 00:22:48,569 INFO L142 QuantifierPusher]: treesize reduction 12, result has 58.6 percent of original size [2021-07-14 00:22:48,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:48,610 INFO L142 QuantifierPusher]: treesize reduction 12, result has 58.6 percent of original size [2021-07-14 00:22:48,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:48,655 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:22:48,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:48,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:48,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:48,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:48,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:48,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:48,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:48,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:48,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:48,764 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 00:22:48,764 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:48,764 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913930699] [2021-07-14 00:22:48,764 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913930699] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:48,764 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:48,764 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:22:48,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027767352] [2021-07-14 00:22:48,764 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:22:48,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:48,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:22:48,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1105, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:22:48,766 INFO L87 Difference]: Start difference. First operand 622 states and 913 transitions. Second operand has 35 states, 35 states have (on average 2.857142857142857) internal successors, (100), 35 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:49,573 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 50 [2021-07-14 00:22:49,745 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2021-07-14 00:22:49,916 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 60 [2021-07-14 00:22:50,111 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 64 [2021-07-14 00:22:50,349 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 70 [2021-07-14 00:22:50,623 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2021-07-14 00:22:50,973 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 75 [2021-07-14 00:22:51,251 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 80 [2021-07-14 00:22:51,666 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2021-07-14 00:22:51,981 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2021-07-14 00:22:52,194 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 75 [2021-07-14 00:22:52,451 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 82 [2021-07-14 00:22:52,771 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 85 [2021-07-14 00:22:52,955 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2021-07-14 00:22:53,261 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2021-07-14 00:22:54,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:22:54,435 INFO L93 Difference]: Finished difference Result 1053 states and 1555 transitions. [2021-07-14 00:22:54,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 00:22:54,435 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.857142857142857) internal successors, (100), 35 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2021-07-14 00:22:54,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:22:54,437 INFO L225 Difference]: With dead ends: 1053 [2021-07-14 00:22:54,438 INFO L226 Difference]: Without dead ends: 964 [2021-07-14 00:22:54,439 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 750 ImplicationChecksByTransitivity, 5884.9ms TimeCoverageRelationStatistics Valid=743, Invalid=3949, Unknown=0, NotChecked=0, Total=4692 [2021-07-14 00:22:54,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2021-07-14 00:22:54,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 624. [2021-07-14 00:22:54,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 623 states have (on average 1.4719101123595506) internal successors, (917), 623 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:54,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 917 transitions. [2021-07-14 00:22:54,449 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 917 transitions. Word has length 100 [2021-07-14 00:22:54,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:22:54,449 INFO L482 AbstractCegarLoop]: Abstraction has 624 states and 917 transitions. [2021-07-14 00:22:54,449 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.857142857142857) internal successors, (100), 35 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:54,449 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 917 transitions. [2021-07-14 00:22:54,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-07-14 00:22:54,451 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:22:54,451 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] [2021-07-14 00:22:54,451 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-07-14 00:22:54,451 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:22:54,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:22:54,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1201362315, now seen corresponding path program 3 times [2021-07-14 00:22:54,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:22:54,452 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295080733] [2021-07-14 00:22:54,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:22:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:22:54,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:54,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:54,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:54,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:22:54,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:54,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:22:54,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:54,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-14 00:22:54,654 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-07-14 00:22:54,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:54,679 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-14 00:22:54,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:22:54,704 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-07-14 00:22:54,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:22:54,744 INFO L142 QuantifierPusher]: treesize reduction 12, result has 77.4 percent of original size [2021-07-14 00:22:54,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-14 00:22:54,776 INFO L142 QuantifierPusher]: treesize reduction 12, result has 78.9 percent of original size [2021-07-14 00:22:54,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:22:54,804 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-14 00:22:54,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-14 00:22:54,846 INFO L142 QuantifierPusher]: treesize reduction 16, result has 75.4 percent of original size [2021-07-14 00:22:54,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-07-14 00:22:54,883 INFO L142 QuantifierPusher]: treesize reduction 16, result has 76.8 percent of original size [2021-07-14 00:22:54,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-14 00:22:54,921 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.8 percent of original size [2021-07-14 00:22:54,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:22:54,957 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.8 percent of original size [2021-07-14 00:22:54,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:22:54,993 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.8 percent of original size [2021-07-14 00:22:54,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:22:55,034 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.8 percent of original size [2021-07-14 00:22:55,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:22:55,076 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.8 percent of original size [2021-07-14 00:22:55,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:22:55,129 INFO L142 QuantifierPusher]: treesize reduction 39, result has 62.5 percent of original size [2021-07-14 00:22:55,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-07-14 00:22:55,202 INFO L142 QuantifierPusher]: treesize reduction 39, result has 60.6 percent of original size [2021-07-14 00:22:55,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-14 00:22:55,230 INFO L142 QuantifierPusher]: treesize reduction 39, result has 58.1 percent of original size [2021-07-14 00:22:55,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-07-14 00:22:55,305 INFO L142 QuantifierPusher]: treesize reduction 39, result has 57.1 percent of original size [2021-07-14 00:22:55,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-14 00:22:55,377 INFO L142 QuantifierPusher]: treesize reduction 39, result has 57.1 percent of original size [2021-07-14 00:22:55,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-14 00:22:55,451 INFO L142 QuantifierPusher]: treesize reduction 39, result has 57.1 percent of original size [2021-07-14 00:22:55,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-14 00:22:55,514 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.0 percent of original size [2021-07-14 00:22:55,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:22:55,556 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.0 percent of original size [2021-07-14 00:22:55,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:22:55,601 INFO L142 QuantifierPusher]: treesize reduction 27, result has 67.9 percent of original size [2021-07-14 00:22:55,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-07-14 00:22:55,661 INFO L142 QuantifierPusher]: treesize reduction 27, result has 63.5 percent of original size [2021-07-14 00:22:55,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-07-14 00:22:55,691 INFO L142 QuantifierPusher]: treesize reduction 57, result has 41.2 percent of original size [2021-07-14 00:22:55,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:22:55,740 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:22:55,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:55,769 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:22:55,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:22:55,772 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:22:55,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:22:55,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:55,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:22:55,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:55,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:55,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:55,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:22:55,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:22:55,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:22:55,880 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 00:22:55,881 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:22:55,881 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295080733] [2021-07-14 00:22:55,881 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295080733] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:22:55,881 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:22:55,881 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2021-07-14 00:22:55,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183269104] [2021-07-14 00:22:55,881 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-14 00:22:55,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:22:55,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-14 00:22:55,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=919, Unknown=0, NotChecked=0, Total=992 [2021-07-14 00:22:55,882 INFO L87 Difference]: Start difference. First operand 624 states and 917 transitions. Second operand has 32 states, 32 states have (on average 3.125) internal successors, (100), 32 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:22:56,723 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 56 [2021-07-14 00:22:56,887 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 61 [2021-07-14 00:22:57,085 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 65 [2021-07-14 00:22:57,308 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2021-07-14 00:22:57,564 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2021-07-14 00:22:57,896 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 76 [2021-07-14 00:22:58,168 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 81 [2021-07-14 00:22:58,686 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 85 [2021-07-14 00:22:58,984 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2021-07-14 00:22:59,133 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2021-07-14 00:22:59,346 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 73 [2021-07-14 00:22:59,603 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 83 [2021-07-14 00:22:59,914 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 86 [2021-07-14 00:23:00,119 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2021-07-14 00:23:00,441 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2021-07-14 00:23:00,574 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2021-07-14 00:23:00,725 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2021-07-14 00:23:01,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:23:01,482 INFO L93 Difference]: Finished difference Result 1050 states and 1551 transitions. [2021-07-14 00:23:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 00:23:01,483 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 3.125) internal successors, (100), 32 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2021-07-14 00:23:01,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:23:01,485 INFO L225 Difference]: With dead ends: 1050 [2021-07-14 00:23:01,485 INFO L226 Difference]: Without dead ends: 962 [2021-07-14 00:23:01,486 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 690 ImplicationChecksByTransitivity, 5744.0ms TimeCoverageRelationStatistics Valid=739, Invalid=3551, Unknown=0, NotChecked=0, Total=4290 [2021-07-14 00:23:01,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2021-07-14 00:23:01,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 626. [2021-07-14 00:23:01,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 625 states have (on average 1.4704) internal successors, (919), 625 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:01,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 919 transitions. [2021-07-14 00:23:01,496 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 919 transitions. Word has length 100 [2021-07-14 00:23:01,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:23:01,496 INFO L482 AbstractCegarLoop]: Abstraction has 626 states and 919 transitions. [2021-07-14 00:23:01,497 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 3.125) internal successors, (100), 32 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:01,497 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 919 transitions. [2021-07-14 00:23:01,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-07-14 00:23:01,498 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:23:01,498 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] [2021-07-14 00:23:01,498 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-07-14 00:23:01,499 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:23:01,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:23:01,499 INFO L82 PathProgramCache]: Analyzing trace with hash -794985901, now seen corresponding path program 4 times [2021-07-14 00:23:01,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:23:01,499 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550808631] [2021-07-14 00:23:01,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:23:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:23:01,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:01,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:23:01,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:01,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:23:01,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:01,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:23:01,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:01,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:23:01,685 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-07-14 00:23:01,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:23:01,708 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-07-14 00:23:01,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:23:01,737 INFO L142 QuantifierPusher]: treesize reduction 26, result has 63.4 percent of original size [2021-07-14 00:23:01,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:23:01,780 INFO L142 QuantifierPusher]: treesize reduction 11, result has 78.4 percent of original size [2021-07-14 00:23:01,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-14 00:23:01,821 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.0 percent of original size [2021-07-14 00:23:01,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:23:01,855 INFO L142 QuantifierPusher]: treesize reduction 11, result has 76.6 percent of original size [2021-07-14 00:23:01,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-14 00:23:01,889 INFO L142 QuantifierPusher]: treesize reduction 15, result has 76.2 percent of original size [2021-07-14 00:23:01,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-14 00:23:01,959 INFO L142 QuantifierPusher]: treesize reduction 15, result has 77.6 percent of original size [2021-07-14 00:23:01,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-14 00:23:02,007 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.6 percent of original size [2021-07-14 00:23:02,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:23:02,054 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.6 percent of original size [2021-07-14 00:23:02,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:23:02,101 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.6 percent of original size [2021-07-14 00:23:02,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:23:02,152 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.6 percent of original size [2021-07-14 00:23:02,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:23:02,206 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.6 percent of original size [2021-07-14 00:23:02,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-14 00:23:02,258 INFO L142 QuantifierPusher]: treesize reduction 38, result has 62.7 percent of original size [2021-07-14 00:23:02,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-14 00:23:02,330 INFO L142 QuantifierPusher]: treesize reduction 38, result has 60.8 percent of original size [2021-07-14 00:23:02,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-14 00:23:02,357 INFO L142 QuantifierPusher]: treesize reduction 43, result has 55.2 percent of original size [2021-07-14 00:23:02,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-14 00:23:02,430 INFO L142 QuantifierPusher]: treesize reduction 43, result has 54.7 percent of original size [2021-07-14 00:23:02,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-14 00:23:02,499 INFO L142 QuantifierPusher]: treesize reduction 43, result has 54.7 percent of original size [2021-07-14 00:23:02,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-14 00:23:02,558 INFO L142 QuantifierPusher]: treesize reduction 43, result has 54.7 percent of original size [2021-07-14 00:23:02,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-14 00:23:02,615 INFO L142 QuantifierPusher]: treesize reduction 43, result has 54.7 percent of original size [2021-07-14 00:23:02,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-14 00:23:02,673 INFO L142 QuantifierPusher]: treesize reduction 17, result has 64.6 percent of original size [2021-07-14 00:23:02,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-14 00:23:02,715 INFO L142 QuantifierPusher]: treesize reduction 28, result has 60.6 percent of original size [2021-07-14 00:23:02,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-14 00:23:02,762 INFO L142 QuantifierPusher]: treesize reduction 28, result has 57.6 percent of original size [2021-07-14 00:23:02,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:23:02,793 INFO L142 QuantifierPusher]: treesize reduction 38, result has 45.7 percent of original size [2021-07-14 00:23:02,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:23:02,836 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:23:02,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:23:02,865 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:23:02,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:23:02,865 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:23:02,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:23:02,866 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:23:02,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:23:02,895 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:23:02,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:23:02,898 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-07-14 00:23:02,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-14 00:23:02,931 INFO L142 QuantifierPusher]: treesize reduction 12, result has 58.6 percent of original size [2021-07-14 00:23:02,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:23:02,964 INFO L142 QuantifierPusher]: treesize reduction 12, result has 58.6 percent of original size [2021-07-14 00:23:02,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:23:02,999 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:23:03,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:23:03,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:03,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:23:03,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:03,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:23:03,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:03,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:23:03,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:03,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:23:03,085 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 00:23:03,085 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:23:03,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550808631] [2021-07-14 00:23:03,085 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550808631] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:23:03,085 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:23:03,085 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-14 00:23:03,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091519711] [2021-07-14 00:23:03,085 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 00:23:03,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:23:03,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 00:23:03,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1105, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 00:23:03,086 INFO L87 Difference]: Start difference. First operand 626 states and 919 transitions. Second operand has 35 states, 35 states have (on average 2.857142857142857) internal successors, (100), 35 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:03,979 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2021-07-14 00:23:04,150 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 60 [2021-07-14 00:23:04,346 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 64 [2021-07-14 00:23:04,583 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 70 [2021-07-14 00:23:04,851 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2021-07-14 00:23:05,199 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 75 [2021-07-14 00:23:05,477 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 80 [2021-07-14 00:23:06,073 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 84 [2021-07-14 00:23:06,357 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2021-07-14 00:23:06,665 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 88 [2021-07-14 00:23:06,858 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2021-07-14 00:23:07,037 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2021-07-14 00:23:07,263 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 77 [2021-07-14 00:23:07,545 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 79 [2021-07-14 00:23:07,767 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2021-07-14 00:23:08,107 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2021-07-14 00:23:08,265 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 61 [2021-07-14 00:23:08,435 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2021-07-14 00:23:09,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:23:09,312 INFO L93 Difference]: Finished difference Result 1047 states and 1546 transitions. [2021-07-14 00:23:09,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 00:23:09,313 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.857142857142857) internal successors, (100), 35 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2021-07-14 00:23:09,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:23:09,315 INFO L225 Difference]: With dead ends: 1047 [2021-07-14 00:23:09,315 INFO L226 Difference]: Without dead ends: 961 [2021-07-14 00:23:09,316 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 785 ImplicationChecksByTransitivity, 6473.0ms TimeCoverageRelationStatistics Valid=836, Invalid=4134, Unknown=0, NotChecked=0, Total=4970 [2021-07-14 00:23:09,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2021-07-14 00:23:09,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 627. [2021-07-14 00:23:09,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 626 states have (on average 1.4696485623003195) internal successors, (920), 626 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:09,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 920 transitions. [2021-07-14 00:23:09,327 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 920 transitions. Word has length 100 [2021-07-14 00:23:09,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:23:09,327 INFO L482 AbstractCegarLoop]: Abstraction has 627 states and 920 transitions. [2021-07-14 00:23:09,327 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.857142857142857) internal successors, (100), 35 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:09,327 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 920 transitions. [2021-07-14 00:23:09,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-07-14 00:23:09,328 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:23:09,329 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] [2021-07-14 00:23:09,329 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-07-14 00:23:09,329 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:23:09,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:23:09,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1461464217, now seen corresponding path program 5 times [2021-07-14 00:23:09,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:23:09,330 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968250852] [2021-07-14 00:23:09,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:23:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 00:23:09,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:09,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:23:09,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:09,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-14 00:23:09,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:09,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-14 00:23:09,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:09,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-14 00:23:09,498 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-07-14 00:23:09,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-14 00:23:09,521 INFO L142 QuantifierPusher]: treesize reduction 25, result has 56.1 percent of original size [2021-07-14 00:23:09,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-14 00:23:09,549 INFO L142 QuantifierPusher]: treesize reduction 37, result has 54.9 percent of original size [2021-07-14 00:23:09,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-14 00:23:09,587 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-14 00:23:09,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-14 00:23:09,620 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-14 00:23:09,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-14 00:23:09,641 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-14 00:23:09,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-14 00:23:09,658 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-07-14 00:23:09,659 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.3 percent of original size 36 [2021-07-14 00:23:09,690 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-14 00:23:09,691 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.0 percent of original size 40 [2021-07-14 00:23:09,722 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.6 percent of original size [2021-07-14 00:23:09,722 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.4 percent of original size 32 [2021-07-14 00:23:09,763 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.6 percent of original size [2021-07-14 00:23:09,763 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.4 percent of original size 32 [2021-07-14 00:23:09,793 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.6 percent of original size [2021-07-14 00:23:09,794 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.4 percent of original size 32 [2021-07-14 00:23:09,825 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.6 percent of original size [2021-07-14 00:23:09,825 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.4 percent of original size 32 [2021-07-14 00:23:09,861 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.6 percent of original size [2021-07-14 00:23:09,862 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.4 percent of original size 32 [2021-07-14 00:23:09,909 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.9 percent of original size [2021-07-14 00:23:09,909 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.6 percent of original size 39 [2021-07-14 00:23:09,958 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.6 percent of original size [2021-07-14 00:23:09,959 INFO L147 QuantifierPusher]: treesize reduction 5, result has 87.2 percent of original size 34 [2021-07-14 00:23:09,982 INFO L142 QuantifierPusher]: treesize reduction 16, result has 67.3 percent of original size [2021-07-14 00:23:09,982 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.8 percent of original size 28 [2021-07-14 00:23:10,030 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-07-14 00:23:10,031 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size 27 [2021-07-14 00:23:10,079 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-07-14 00:23:10,080 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size 27 [2021-07-14 00:23:10,131 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-07-14 00:23:10,131 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size 27 [2021-07-14 00:23:10,171 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-07-14 00:23:10,172 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size 27 [2021-07-14 00:23:10,213 INFO L142 QuantifierPusher]: treesize reduction 46, result has 37.8 percent of original size [2021-07-14 00:23:10,214 INFO L147 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size 23 [2021-07-14 00:23:10,254 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-14 00:23:10,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-14 00:23:10,296 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-14 00:23:10,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-14 00:23:10,326 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-14 00:23:10,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:23:10,358 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:23:10,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:23:10,404 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-14 00:23:10,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-14 00:23:10,405 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-14 00:23:10,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-14 00:23:10,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:10,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-14 00:23:10,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 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 4 [2021-07-14 00:23:10,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:10,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-14 00:23:10,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 00:23:10,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-14 00:23:10,511 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 00:23:10,511 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 00:23:10,511 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968250852] [2021-07-14 00:23:10,511 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968250852] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 00:23:10,511 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 00:23:10,511 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2021-07-14 00:23:10,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354434797] [2021-07-14 00:23:10,512 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-14 00:23:10,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 00:23:10,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-14 00:23:10,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=919, Unknown=0, NotChecked=0, Total=992 [2021-07-14 00:23:10,513 INFO L87 Difference]: Start difference. First operand 627 states and 920 transitions. Second operand has 32 states, 32 states have (on average 3.125) internal successors, (100), 32 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:11,582 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 61 [2021-07-14 00:23:11,763 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2021-07-14 00:23:11,973 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2021-07-14 00:23:12,263 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2021-07-14 00:23:12,492 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2021-07-14 00:23:12,918 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 79 [2021-07-14 00:23:13,402 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 83 [2021-07-14 00:23:13,671 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 87 [2021-07-14 00:23:13,817 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2021-07-14 00:23:14,011 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2021-07-14 00:23:14,186 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2021-07-14 00:23:14,424 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2021-07-14 00:23:14,620 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 74 [2021-07-14 00:23:14,915 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2021-07-14 00:23:15,068 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 61 [2021-07-14 00:23:15,225 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2021-07-14 00:23:15,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-14 00:23:15,911 INFO L93 Difference]: Finished difference Result 1028 states and 1516 transitions. [2021-07-14 00:23:15,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 00:23:15,911 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 3.125) internal successors, (100), 32 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2021-07-14 00:23:15,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-14 00:23:15,913 INFO L225 Difference]: With dead ends: 1028 [2021-07-14 00:23:15,913 INFO L226 Difference]: Without dead ends: 943 [2021-07-14 00:23:15,914 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 723 ImplicationChecksByTransitivity, 5382.4ms TimeCoverageRelationStatistics Valid=838, Invalid=3718, Unknown=0, NotChecked=0, Total=4556 [2021-07-14 00:23:15,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2021-07-14 00:23:15,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 636. [2021-07-14 00:23:15,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 635 states have (on average 1.4645669291338583) internal successors, (930), 635 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:15,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 930 transitions. [2021-07-14 00:23:15,925 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 930 transitions. Word has length 100 [2021-07-14 00:23:15,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-14 00:23:15,925 INFO L482 AbstractCegarLoop]: Abstraction has 636 states and 930 transitions. [2021-07-14 00:23:15,925 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 3.125) internal successors, (100), 32 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 00:23:15,925 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 930 transitions. [2021-07-14 00:23:15,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-07-14 00:23:15,926 INFO L500 BasicCegarLoop]: Found error trace [2021-07-14 00:23:15,927 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] [2021-07-14 00:23:15,927 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-07-14 00:23:15,927 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 00:23:15,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 00:23:15,927 INFO L82 PathProgramCache]: Analyzing trace with hash 288183867, now seen corresponding path program 6 times [2021-07-14 00:23:15,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 00:23:15,927 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754700238] [2021-07-14 00:23:15,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 00:23:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 00:23:15,960 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 00:23:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 00:23:15,991 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 00:23:16,040 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-14 00:23:16,040 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-14 00:23:16,040 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-07-14 00:23:16,043 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 00:23:16,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 12:23:16 BasicIcfg [2021-07-14 00:23:16,131 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 00:23:16,131 INFO L168 Benchmark]: Toolchain (without parser) took 131280.21 ms. Allocated memory was 199.2 MB in the beginning and 532.7 MB in the end (delta: 333.4 MB). Free memory was 160.8 MB in the beginning and 210.6 MB in the end (delta: -49.8 MB). Peak memory consumption was 284.2 MB. Max. memory is 8.0 GB. [2021-07-14 00:23:16,131 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 199.2 MB. Free memory is still 180.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 00:23:16,132 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.76 ms. Allocated memory is still 199.2 MB. Free memory was 160.6 MB in the beginning and 142.0 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-07-14 00:23:16,132 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.02 ms. Allocated memory is still 199.2 MB. Free memory was 142.0 MB in the beginning and 138.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-14 00:23:16,132 INFO L168 Benchmark]: Boogie Preprocessor took 49.14 ms. Allocated memory is still 199.2 MB. Free memory was 138.8 MB in the beginning and 136.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-14 00:23:16,132 INFO L168 Benchmark]: RCFGBuilder took 647.04 ms. Allocated memory is still 199.2 MB. Free memory was 136.2 MB in the beginning and 89.0 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 8.0 GB. [2021-07-14 00:23:16,132 INFO L168 Benchmark]: TraceAbstraction took 129840.74 ms. Allocated memory was 199.2 MB in the beginning and 532.7 MB in the end (delta: 333.4 MB). Free memory was 89.0 MB in the beginning and 210.6 MB in the end (delta: -121.6 MB). Peak memory consumption was 212.4 MB. Max. memory is 8.0 GB. [2021-07-14 00:23:16,132 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 199.2 MB. Free memory is still 180.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 683.76 ms. Allocated memory is still 199.2 MB. Free memory was 160.6 MB in the beginning and 142.0 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 53.02 ms. Allocated memory is still 199.2 MB. Free memory was 142.0 MB in the beginning and 138.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 49.14 ms. Allocated memory is still 199.2 MB. Free memory was 138.8 MB in the beginning and 136.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 647.04 ms. Allocated memory is still 199.2 MB. Free memory was 136.2 MB in the beginning and 89.0 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 129840.74 ms. Allocated memory was 199.2 MB in the beginning and 532.7 MB in the end (delta: 333.4 MB). Free memory was 89.0 MB in the beginning and 210.6 MB in the end (delta: -121.6 MB). Peak memory consumption was 212.4 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: 10471, positive: 9797, positive conditional: 9797, positive unconditional: 0, negative: 674, negative conditional: 674, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10311, positive: 9797, positive conditional: 0, positive unconditional: 9797, negative: 514, negative conditional: 0, negative unconditional: 514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1233, positive: 1185, positive conditional: 0, positive unconditional: 1185, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1233, positive: 1185, positive conditional: 0, positive unconditional: 1185, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 18, unknown conditional: 0, unknown unconditional: 18] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57989, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1503, negative conditional: 0, negative unconditional: 1503, unknown: 56486, unknown conditional: 0, unknown unconditional: 56486] ], Cache Queries: [ total: 10311, positive: 8612, positive conditional: 0, positive unconditional: 8612, negative: 466, negative conditional: 0, negative unconditional: 466, unknown: 1233, unknown conditional: 0, unknown unconditional: 1233] , Statistics on independence cache: Total cache size (in pairs): 1233, Positive cache size: 1185, Positive conditional cache size: 0, Positive unconditional cache size: 1185, Negative cache size: 48, Negative conditional cache size: 0, Negative unconditional cache size: 48, Independence queries for same thread: 160 - CounterExampleResult [Line: 1675]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1676] 0 pthread_t t1,t2; VAL [t1={7:0}, t2={8:0}] [L1725] 0 return 0; VAL [t1={7:0}, t2={8:0}] [L1731] 0 int ret = my_drv_init(); VAL [t1={7:0}, t2={8:0}] [L1732] COND TRUE 0 ret==0 VAL [t1={7:0}, t2={8:0}] [L1733] 0 int probe_ret; VAL [t1={7:0}, t2={8:0}] [L1734] 0 struct my_data data; VAL [t1={7:0}, t2={8:0}] [L1704] 0 struct device *d = &data->dev; VAL [t1={7:0}, t2={8:0}] [L1706] 0 data->shared.a = 0 VAL [t1={7:0}, t2={8:0}] [L1707] 0 data->shared.b = 0 VAL [t1={7:0}, t2={8:0}] [L1708] 0 int res = __VERIFIER_nondet_int(); VAL [t1={7:0}, t2={8:0}] [L1709] COND FALSE 0 !(\read(res)) VAL [t1={7:0}, t2={8:0}] [L1711] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={9:24}, t1={7:0}, t2={8:0}] [L1712] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [arg={9:24}, t1={7:0}, t2={8:0}] [L1713] 0 return 0; VAL [arg={9:24}, t1={7:0}, t2={8:0}] [L1689] 1 struct device *dev = (struct device*)arg; VAL [arg={9:24}, arg={9:24}, dev={9:24}, t1={7:0}, t2={8:0}] [L1690] 1 struct my_data *data; VAL [arg={9:24}, arg={9:24}, dev={9:24}, t1={7:0}, t2={8:0}] [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, dev={9:24}, t1={7:0}, t2={8:0}] [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, t1={7:0}, t2={8:0}] [L1693] 1 data->shared.a = 1 VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, t1={7:0}, t2={8:0}] [L1696] EXPR 1 data->shared.b [L1696] 1 int lb = data->shared.b; [L1735] 0 probe_ret = my_drv_probe(&data) VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1736] COND TRUE 0 probe_ret==0 VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1719] 0 void *status; VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1689] 2 struct device *dev = (struct device*)arg; VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1690] 2 struct my_data *data; VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1693] 2 data->shared.a = 1 VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1696] EXPR 2 data->shared.b [L1696] 2 int lb = data->shared.b; [L1699] 1 data->shared.b = lb + 1 VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1701] 2 return 0; VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1720] 0 \read(t1) VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1701] 1 return 0; VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1720] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1721] 0 \read(t2) VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1721] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1738] 0 data.shared.a VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1675] COND FALSE 0 !(!expression) VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1739] 0 data.shared.b VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1675] COND TRUE 0 !expression VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] [L1675] 0 reach_error() VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={7:0}, t2={8:0}] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 4 procedures, 148 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 129643.0ms, OverallIterations: 19, TraceHistogramMax: 1, EmptinessCheckTime: 57.2ms, AutomataDifference: 54436.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 58357.9ms, PartialOrderReductionTime: 58343.4ms, HoareTripleCheckerStatistics: 2404 SDtfs, 13990 SDslu, 26378 SDs, 0 SdLazy, 16210 SolverSat, 1549 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9546.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 880 GetRequests, 60 SyntacticMatches, 24 SemanticMatches, 796 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6237 ImplicationChecksByTransitivity, 53894.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=5107occurred in iteration=0, InterpolantAutomatonStates: 490, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 417.9ms AutomataMinimizationTime, 18 MinimizatonAttempts, 5274 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 69.2ms SsaConstructionTime, 552.3ms SatisfiabilityAnalysisTime, 15263.6ms InterpolantComputationTime, 1708 NumberOfCodeBlocks, 1708 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1590 ConstructedInterpolants, 0 QuantifiedInterpolants, 25830 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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 RESULT: Ultimate proved your program to be incorrect! Received shutdown request...