/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-09 22:14:02,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-09 22:14:02,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-09 22:14:02,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-09 22:14:02,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-09 22:14:02,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-09 22:14:02,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-09 22:14:02,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-09 22:14:02,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-09 22:14:02,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-09 22:14:02,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-09 22:14:02,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-09 22:14:02,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-09 22:14:02,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-09 22:14:02,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-09 22:14:02,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-09 22:14:02,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-09 22:14:02,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-09 22:14:02,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-09 22:14:02,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-09 22:14:03,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-09 22:14:03,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-09 22:14:03,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-09 22:14:03,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-09 22:14:03,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-09 22:14:03,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-09 22:14:03,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-09 22:14:03,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-09 22:14:03,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-09 22:14:03,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-09 22:14:03,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-09 22:14:03,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-09 22:14:03,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-09 22:14:03,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-09 22:14:03,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-09 22:14:03,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-09 22:14:03,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-09 22:14:03,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-09 22:14:03,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-09 22:14:03,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-09 22:14:03,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-09 22:14:03,019 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 [2021-07-09 22:14:03,047 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-09 22:14:03,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-09 22:14:03,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-09 22:14:03,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-09 22:14:03,049 INFO L138 SettingsManager]: * Use SBE=true [2021-07-09 22:14:03,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-09 22:14:03,050 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-09 22:14:03,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-09 22:14:03,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-09 22:14:03,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-09 22:14:03,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-09 22:14:03,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-09 22:14:03,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-09 22:14:03,051 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-09 22:14:03,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-09 22:14:03,051 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-09 22:14:03,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-09 22:14:03,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-09 22:14:03,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-09 22:14:03,052 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-09 22:14:03,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-09 22:14:03,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 22:14:03,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-09 22:14:03,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-09 22:14:03,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-09 22:14:03,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-09 22:14:03,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-09 22:14:03,053 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-09 22:14:03,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-09 22:14:03,053 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-07-09 22:14:03,053 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-09 22:14:03,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-09 22:14:03,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-09 22:14:03,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-09 22:14:03,347 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-09 22:14:03,347 INFO L275 PluginConnector]: CDTParser initialized [2021-07-09 22:14:03,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2021-07-09 22:14:03,395 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb1856a94/8281bb5470f744778d7d6bf50562ab90/FLAG06265fa23 [2021-07-09 22:14:03,837 INFO L306 CDTParser]: Found 1 translation units. [2021-07-09 22:14:03,837 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2021-07-09 22:14:03,854 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb1856a94/8281bb5470f744778d7d6bf50562ab90/FLAG06265fa23 [2021-07-09 22:14:03,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb1856a94/8281bb5470f744778d7d6bf50562ab90 [2021-07-09 22:14:03,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-09 22:14:03,873 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-09 22:14:03,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-09 22:14:03,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-09 22:14:03,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-09 22:14:03,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 10:14:03" (1/1) ... [2021-07-09 22:14:03,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@343401af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:03, skipping insertion in model container [2021-07-09 22:14:03,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 10:14:03" (1/1) ... [2021-07-09 22:14:03,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-09 22:14:03,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-09 22:14:04,406 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i[76077,76090] [2021-07-09 22:14:04,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-09 22:14:04,424 INFO L203 MainTranslator]: Completed pre-run [2021-07-09 22:14:04,449 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_1-container_of.i[76077,76090] [2021-07-09 22:14:04,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-09 22:14:04,533 INFO L208 MainTranslator]: Completed translation [2021-07-09 22:14:04,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:04 WrapperNode [2021-07-09 22:14:04,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-09 22:14:04,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-09 22:14:04,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-09 22:14:04,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-09 22:14:04,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:04" (1/1) ... [2021-07-09 22:14:04,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:04" (1/1) ... [2021-07-09 22:14:04,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-09 22:14:04,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-09 22:14:04,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-09 22:14:04,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-09 22:14:04,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:04" (1/1) ... [2021-07-09 22:14:04,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:04" (1/1) ... [2021-07-09 22:14:04,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:04" (1/1) ... [2021-07-09 22:14:04,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:04" (1/1) ... [2021-07-09 22:14:04,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:04" (1/1) ... [2021-07-09 22:14:04,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:04" (1/1) ... [2021-07-09 22:14:04,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:04" (1/1) ... [2021-07-09 22:14:04,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-09 22:14:04,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-09 22:14:04,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-09 22:14:04,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-09 22:14:04,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:04" (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 [2021-07-09 22:14:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-09 22:14:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-09 22:14:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-09 22:14:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-07-09 22:14:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-09 22:14:04,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-09 22:14:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-07-09 22:14:04,697 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-07-09 22:14:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-09 22:14:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-09 22:14:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-09 22:14:04,698 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-09 22:14:05,175 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-09 22:14:05,175 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-07-09 22:14:05,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 10:14:05 BoogieIcfgContainer [2021-07-09 22:14:05,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-09 22:14:05,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-09 22:14:05,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-09 22:14:05,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-09 22:14:05,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.07 10:14:03" (1/3) ... [2021-07-09 22:14:05,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41106da9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 10:14:05, skipping insertion in model container [2021-07-09 22:14:05,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:14:04" (2/3) ... [2021-07-09 22:14:05,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41106da9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 10:14:05, skipping insertion in model container [2021-07-09 22:14:05,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 10:14:05" (3/3) ... [2021-07-09 22:14:05,187 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2021-07-09 22:14:05,190 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-09 22:14:05,190 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-09 22:14:05,191 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-07-09 22:14:05,191 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-09 22:14:05,213 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,213 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,213 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,214 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,214 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,214 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,214 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,214 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,214 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,214 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,214 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,215 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,215 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,215 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,215 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,215 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,215 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,215 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,215 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,215 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,215 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,216 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,216 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,216 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,216 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,216 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,216 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,216 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,216 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,216 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,216 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,217 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,217 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,217 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,217 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,217 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,217 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,217 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,217 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,217 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,218 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,218 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,218 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,218 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,218 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,218 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,218 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,218 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,219 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,219 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,219 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,219 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,219 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,219 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,219 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,219 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,219 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,219 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,220 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,220 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,220 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,220 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,220 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,220 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,220 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,220 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,221 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,221 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,221 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,221 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,221 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,221 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,221 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,221 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,221 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,222 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,222 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,222 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,222 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,222 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,222 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,222 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,222 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,222 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,222 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,223 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,223 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,223 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,223 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,223 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,223 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,223 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,223 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,223 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,223 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,224 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,224 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,224 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,224 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,224 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,224 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,224 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,224 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,224 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,224 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,225 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,225 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,225 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,225 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,225 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,225 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,225 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,225 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,225 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,226 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,226 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,226 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,226 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,226 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,226 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,226 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,226 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,227 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,227 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,227 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,227 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,227 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,227 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,227 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,227 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,228 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,228 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,228 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,228 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,228 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,228 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,228 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,228 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,228 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,229 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,230 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,230 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,230 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,231 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,231 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,231 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,231 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,231 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,231 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,231 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,231 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,231 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,235 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,235 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,235 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,235 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,235 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,236 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,236 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,236 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,236 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,236 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,236 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,236 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:14:05,244 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-09 22:14:05,259 INFO L255 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-07-09 22:14:05,272 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 22:14:05,272 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 22:14:05,272 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 22:14:05,272 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 22:14:05,272 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 22:14:05,272 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 22:14:05,272 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 22:14:05,272 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-09 22:15:08,829 INFO L276 IsEmpty]: Start isEmpty. Operand has 9349 states, 8737 states have (on average 1.4298958452558086) internal successors, (12493), 9348 states have internal predecessors, (12493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:08,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-09 22:15:08,835 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:08,835 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:08,836 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:08,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:08,839 INFO L82 PathProgramCache]: Analyzing trace with hash 4312800, now seen corresponding path program 1 times [2021-07-09 22:15:08,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:08,844 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187944658] [2021-07-09 22:15:08,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:09,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:09,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:09,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:09,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:09,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:09,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:09,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:09,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:09,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:09,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:09,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:09,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:09,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:09,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:09,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:09,240 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:09,240 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187944658] [2021-07-09 22:15:09,241 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187944658] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:09,241 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:09,241 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-09 22:15:09,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006208510] [2021-07-09 22:15:09,243 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 22:15:09,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:09,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 22:15:09,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-09 22:15:09,268 INFO L87 Difference]: Start difference. First operand has 9349 states, 8737 states have (on average 1.4298958452558086) internal successors, (12493), 9348 states have internal predecessors, (12493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:09,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:09,524 INFO L93 Difference]: Finished difference Result 8893 states and 11760 transitions. [2021-07-09 22:15:09,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 22:15:09,525 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-07-09 22:15:09,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:09,550 INFO L225 Difference]: With dead ends: 8893 [2021-07-09 22:15:09,550 INFO L226 Difference]: Without dead ends: 3813 [2021-07-09 22:15:09,551 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 184.6ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-07-09 22:15:09,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3813 states. [2021-07-09 22:15:09,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3813 to 3812. [2021-07-09 22:15:09,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3812 states, 3777 states have (on average 1.4228223457770717) internal successors, (5374), 3811 states have internal predecessors, (5374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:09,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3812 states to 3812 states and 5374 transitions. [2021-07-09 22:15:09,703 INFO L78 Accepts]: Start accepts. Automaton has 3812 states and 5374 transitions. Word has length 36 [2021-07-09 22:15:09,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:09,703 INFO L482 AbstractCegarLoop]: Abstraction has 3812 states and 5374 transitions. [2021-07-09 22:15:09,703 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:09,704 INFO L276 IsEmpty]: Start isEmpty. Operand 3812 states and 5374 transitions. [2021-07-09 22:15:09,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-07-09 22:15:09,706 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:09,707 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:09,707 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-09 22:15:09,707 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:09,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:09,714 INFO L82 PathProgramCache]: Analyzing trace with hash -334882016, now seen corresponding path program 1 times [2021-07-09 22:15:09,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:09,714 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438866182] [2021-07-09 22:15:09,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:09,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:09,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:09,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:09,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:09,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:09,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:09,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:09,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:09,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:09,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:09,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:09,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:09,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:09,813 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:09,813 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438866182] [2021-07-09 22:15:09,813 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438866182] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:09,814 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:09,814 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-09 22:15:09,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507922955] [2021-07-09 22:15:09,815 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 22:15:09,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:09,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 22:15:09,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-09 22:15:09,815 INFO L87 Difference]: Start difference. First operand 3812 states and 5374 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:09,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:09,956 INFO L93 Difference]: Finished difference Result 3814 states and 5376 transitions. [2021-07-09 22:15:09,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 22:15:09,956 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-07-09 22:15:09,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:09,968 INFO L225 Difference]: With dead ends: 3814 [2021-07-09 22:15:09,968 INFO L226 Difference]: Without dead ends: 3814 [2021-07-09 22:15:09,969 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 68.7ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-07-09 22:15:09,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3814 states. [2021-07-09 22:15:10,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3814 to 3810. [2021-07-09 22:15:10,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3810 states, 3776 states have (on average 1.4226694915254237) internal successors, (5372), 3809 states have internal predecessors, (5372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:10,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3810 states to 3810 states and 5372 transitions. [2021-07-09 22:15:10,074 INFO L78 Accepts]: Start accepts. Automaton has 3810 states and 5372 transitions. Word has length 42 [2021-07-09 22:15:10,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:10,075 INFO L482 AbstractCegarLoop]: Abstraction has 3810 states and 5372 transitions. [2021-07-09 22:15:10,075 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:10,075 INFO L276 IsEmpty]: Start isEmpty. Operand 3810 states and 5372 transitions. [2021-07-09 22:15:10,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-07-09 22:15:10,078 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:10,078 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:10,078 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-09 22:15:10,079 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:10,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:10,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1888111070, now seen corresponding path program 1 times [2021-07-09 22:15:10,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:10,079 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329865440] [2021-07-09 22:15:10,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:10,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:10,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:10,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:10,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:10,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:10,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:10,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:10,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:10,214 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:10,214 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329865440] [2021-07-09 22:15:10,214 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329865440] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:10,214 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:10,215 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-09 22:15:10,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305582617] [2021-07-09 22:15:10,215 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 22:15:10,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:10,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 22:15:10,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-09 22:15:10,217 INFO L87 Difference]: Start difference. First operand 3810 states and 5372 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:10,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:10,501 INFO L93 Difference]: Finished difference Result 6101 states and 9089 transitions. [2021-07-09 22:15:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 22:15:10,501 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-07-09 22:15:10,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:10,524 INFO L225 Difference]: With dead ends: 6101 [2021-07-09 22:15:10,524 INFO L226 Difference]: Without dead ends: 6101 [2021-07-09 22:15:10,524 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 90.2ms TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-07-09 22:15:10,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6101 states. [2021-07-09 22:15:10,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6101 to 4240. [2021-07-09 22:15:10,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4240 states, 4207 states have (on average 1.4732588542904683) internal successors, (6198), 4239 states have internal predecessors, (6198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:10,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4240 states to 4240 states and 6198 transitions. [2021-07-09 22:15:10,627 INFO L78 Accepts]: Start accepts. Automaton has 4240 states and 6198 transitions. Word has length 60 [2021-07-09 22:15:10,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:10,627 INFO L482 AbstractCegarLoop]: Abstraction has 4240 states and 6198 transitions. [2021-07-09 22:15:10,627 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:10,627 INFO L276 IsEmpty]: Start isEmpty. Operand 4240 states and 6198 transitions. [2021-07-09 22:15:10,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-07-09 22:15:10,628 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:10,629 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] [2021-07-09 22:15:10,629 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-09 22:15:10,629 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:10,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:10,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1332255701, now seen corresponding path program 1 times [2021-07-09 22:15:10,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:10,630 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464851316] [2021-07-09 22:15:10,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:10,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:10,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:10,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:10,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:10,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:10,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:10,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:10,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:10,700 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:10,700 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464851316] [2021-07-09 22:15:10,700 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464851316] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:10,700 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:10,701 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-09 22:15:10,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047844796] [2021-07-09 22:15:10,701 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 22:15:10,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:10,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 22:15:10,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-09 22:15:10,702 INFO L87 Difference]: Start difference. First operand 4240 states and 6198 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:10,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:10,927 INFO L93 Difference]: Finished difference Result 6531 states and 9864 transitions. [2021-07-09 22:15:10,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 22:15:10,927 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-07-09 22:15:10,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:10,945 INFO L225 Difference]: With dead ends: 6531 [2021-07-09 22:15:10,945 INFO L226 Difference]: Without dead ends: 5248 [2021-07-09 22:15:10,946 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 62.2ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-07-09 22:15:10,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5248 states. [2021-07-09 22:15:11,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5248 to 4325. [2021-07-09 22:15:11,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4325 states, 4293 states have (on average 1.604006522245516) internal successors, (6886), 4324 states have internal predecessors, (6886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:11,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4325 states to 4325 states and 6886 transitions. [2021-07-09 22:15:11,058 INFO L78 Accepts]: Start accepts. Automaton has 4325 states and 6886 transitions. Word has length 66 [2021-07-09 22:15:11,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:11,059 INFO L482 AbstractCegarLoop]: Abstraction has 4325 states and 6886 transitions. [2021-07-09 22:15:11,059 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:11,059 INFO L276 IsEmpty]: Start isEmpty. Operand 4325 states and 6886 transitions. [2021-07-09 22:15:11,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-07-09 22:15:11,063 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:11,063 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:11,063 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-09 22:15:11,090 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:11,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:11,091 INFO L82 PathProgramCache]: Analyzing trace with hash -925408957, now seen corresponding path program 1 times [2021-07-09 22:15:11,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:11,091 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019917815] [2021-07-09 22:15:11,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:11,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:11,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:11,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:11,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:11,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:11,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:11,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:11,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:11,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:11,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:11,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:11,188 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:11,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019917815] [2021-07-09 22:15:11,188 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019917815] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:11,189 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:11,189 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-09 22:15:11,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872216697] [2021-07-09 22:15:11,190 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-09 22:15:11,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:11,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-09 22:15:11,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-09 22:15:11,190 INFO L87 Difference]: Start difference. First operand 4325 states and 6886 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:11,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:11,218 INFO L93 Difference]: Finished difference Result 681 states and 901 transitions. [2021-07-09 22:15:11,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 22:15:11,218 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-07-09 22:15:11,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:11,220 INFO L225 Difference]: With dead ends: 681 [2021-07-09 22:15:11,221 INFO L226 Difference]: Without dead ends: 681 [2021-07-09 22:15:11,221 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 23.7ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-09 22:15:11,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2021-07-09 22:15:11,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 681. [2021-07-09 22:15:11,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 681 states, 679 states have (on average 1.3269513991163475) internal successors, (901), 680 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:11,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 901 transitions. [2021-07-09 22:15:11,229 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 901 transitions. Word has length 80 [2021-07-09 22:15:11,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:11,229 INFO L482 AbstractCegarLoop]: Abstraction has 681 states and 901 transitions. [2021-07-09 22:15:11,229 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:11,230 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 901 transitions. [2021-07-09 22:15:11,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-07-09 22:15:11,231 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:11,231 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:11,232 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-09 22:15:11,232 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:11,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:11,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1704914928, now seen corresponding path program 1 times [2021-07-09 22:15:11,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:11,232 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093073295] [2021-07-09 22:15:11,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:11,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:11,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:11,465 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-07-09 22:15:11,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:11,473 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-09 22:15:11,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:11,484 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-09 22:15:11,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:11,496 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-09 22:15:11,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:15:11,515 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-09 22:15:11,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 22:15:11,534 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-09 22:15:11,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 22:15:11,549 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:11,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:11,565 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:11,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:11,624 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:11,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:11,640 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:11,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:11,660 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-07-09 22:15:11,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:15:11,696 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-07-09 22:15:11,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:15:11,741 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-07-09 22:15:11,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:15:11,759 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-07-09 22:15:11,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:15:11,761 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-07-09 22:15:11,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:15:11,764 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:11,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:11,780 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-07-09 22:15:11,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:11,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:11,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:11,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:11,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:11,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:11,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:11,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:11,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:11,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:11,838 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:11,838 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093073295] [2021-07-09 22:15:11,838 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093073295] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:11,838 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:11,838 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-07-09 22:15:11,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988986251] [2021-07-09 22:15:11,839 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-09 22:15:11,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:11,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-09 22:15:11,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-09 22:15:11,840 INFO L87 Difference]: Start difference. First operand 681 states and 901 transitions. Second operand has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:12,394 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-07-09 22:15:12,533 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-07-09 22:15:12,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:12,929 INFO L93 Difference]: Finished difference Result 807 states and 1083 transitions. [2021-07-09 22:15:12,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 22:15:12,930 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-07-09 22:15:12,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:12,932 INFO L225 Difference]: With dead ends: 807 [2021-07-09 22:15:12,932 INFO L226 Difference]: Without dead ends: 807 [2021-07-09 22:15:12,933 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 1054.7ms TimeCoverageRelationStatistics Valid=316, Invalid=944, Unknown=0, NotChecked=0, Total=1260 [2021-07-09 22:15:12,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2021-07-09 22:15:12,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 799. [2021-07-09 22:15:12,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 797 states have (on average 1.3500627352572145) internal successors, (1076), 798 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:12,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1076 transitions. [2021-07-09 22:15:12,947 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1076 transitions. Word has length 114 [2021-07-09 22:15:12,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:12,947 INFO L482 AbstractCegarLoop]: Abstraction has 799 states and 1076 transitions. [2021-07-09 22:15:12,947 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:12,947 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1076 transitions. [2021-07-09 22:15:12,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-07-09 22:15:12,949 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:12,949 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:12,949 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-09 22:15:12,949 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:12,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:12,949 INFO L82 PathProgramCache]: Analyzing trace with hash 608707698, now seen corresponding path program 2 times [2021-07-09 22:15:12,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:12,950 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189606010] [2021-07-09 22:15:12,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:13,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:13,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:13,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:13,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:13,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:13,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:13,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:13,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:13,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:13,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:13,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:13,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:15:13,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:13,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:13,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:13,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:13,240 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-07-09 22:15:13,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 22:15:13,274 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-09 22:15:13,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:15:13,314 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-09 22:15:13,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:15:13,352 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-09 22:15:13,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:15:13,413 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-09 22:15:13,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:15:13,456 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-09 22:15:13,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:15:13,500 INFO L142 QuantifierPusher]: treesize reduction 25, result has 68.8 percent of original size [2021-07-09 22:15:13,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:15:13,563 INFO L142 QuantifierPusher]: treesize reduction 25, result has 64.8 percent of original size [2021-07-09 22:15:13,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:15:13,566 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:15:13,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:13,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:13,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:13,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:13,569 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:13,569 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189606010] [2021-07-09 22:15:13,569 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189606010] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:13,569 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:13,569 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-07-09 22:15:13,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025959746] [2021-07-09 22:15:13,569 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-09 22:15:13,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:13,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-09 22:15:13,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2021-07-09 22:15:13,570 INFO L87 Difference]: Start difference. First operand 799 states and 1076 transitions. Second operand has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:14,664 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-07-09 22:15:14,818 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-07-09 22:15:15,002 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2021-07-09 22:15:15,192 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-07-09 22:15:15,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:15,301 INFO L93 Difference]: Finished difference Result 926 states and 1284 transitions. [2021-07-09 22:15:15,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 22:15:15,301 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-07-09 22:15:15,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:15,306 INFO L225 Difference]: With dead ends: 926 [2021-07-09 22:15:15,306 INFO L226 Difference]: Without dead ends: 926 [2021-07-09 22:15:15,308 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 1693.3ms TimeCoverageRelationStatistics Valid=398, Invalid=1324, Unknown=0, NotChecked=0, Total=1722 [2021-07-09 22:15:15,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2021-07-09 22:15:15,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 865. [2021-07-09 22:15:15,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 865 states, 863 states have (on average 1.3719582850521437) internal successors, (1184), 864 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:15,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1184 transitions. [2021-07-09 22:15:15,321 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1184 transitions. Word has length 114 [2021-07-09 22:15:15,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:15,322 INFO L482 AbstractCegarLoop]: Abstraction has 865 states and 1184 transitions. [2021-07-09 22:15:15,322 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:15,322 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1184 transitions. [2021-07-09 22:15:15,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-07-09 22:15:15,323 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:15,324 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:15,324 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-09 22:15:15,324 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:15,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:15,324 INFO L82 PathProgramCache]: Analyzing trace with hash -328853134, now seen corresponding path program 3 times [2021-07-09 22:15:15,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:15,324 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107460531] [2021-07-09 22:15:15,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:15,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:15,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:15,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:15,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:15,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:15,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:15,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:15,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:15,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:15,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:15,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:15,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:15,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:15,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:15:15,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:15,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:15,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:15,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:15,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:15,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:15,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:15,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:15,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:15,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:15,617 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-07-09 22:15:15,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 22:15:15,649 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-07-09 22:15:15,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:15:15,686 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-09 22:15:15,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:15:15,724 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-09 22:15:15,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:15:15,766 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-09 22:15:15,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:15:15,806 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-09 22:15:15,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:15:15,848 INFO L142 QuantifierPusher]: treesize reduction 25, result has 68.8 percent of original size [2021-07-09 22:15:15,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:15:15,914 INFO L142 QuantifierPusher]: treesize reduction 25, result has 64.8 percent of original size [2021-07-09 22:15:15,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:15:15,920 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:15:15,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:15,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:15,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:15,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:15,922 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:15,922 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107460531] [2021-07-09 22:15:15,922 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107460531] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:15,922 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:15,922 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-07-09 22:15:15,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597831643] [2021-07-09 22:15:15,923 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-09 22:15:15,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:15,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-09 22:15:15,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2021-07-09 22:15:15,923 INFO L87 Difference]: Start difference. First operand 865 states and 1184 transitions. Second operand has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:16,736 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2021-07-09 22:15:16,900 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2021-07-09 22:15:17,075 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2021-07-09 22:15:17,267 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2021-07-09 22:15:17,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:17,345 INFO L93 Difference]: Finished difference Result 1059 states and 1468 transitions. [2021-07-09 22:15:17,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 22:15:17,346 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-07-09 22:15:17,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:17,349 INFO L225 Difference]: With dead ends: 1059 [2021-07-09 22:15:17,349 INFO L226 Difference]: Without dead ends: 1059 [2021-07-09 22:15:17,349 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1467.3ms TimeCoverageRelationStatistics Valid=296, Invalid=760, Unknown=0, NotChecked=0, Total=1056 [2021-07-09 22:15:17,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2021-07-09 22:15:17,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 824. [2021-07-09 22:15:17,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 822 states have (on average 1.356447688564477) internal successors, (1115), 823 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:17,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1115 transitions. [2021-07-09 22:15:17,360 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1115 transitions. Word has length 114 [2021-07-09 22:15:17,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:17,360 INFO L482 AbstractCegarLoop]: Abstraction has 824 states and 1115 transitions. [2021-07-09 22:15:17,361 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:17,361 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1115 transitions. [2021-07-09 22:15:17,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-07-09 22:15:17,362 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:17,362 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:17,362 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-09 22:15:17,362 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:17,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:17,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1560331016, now seen corresponding path program 1 times [2021-07-09 22:15:17,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:17,363 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689268956] [2021-07-09 22:15:17,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:17,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:17,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:15:17,531 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-07-09 22:15:17,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:15:17,536 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-07-09 22:15:17,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:17,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:17,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:17,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:17,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:17,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:17,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:17,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:17,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:17,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:15:17,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:17,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:17,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:17,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:17,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:17,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:15:17,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:17,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:17,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:17,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:15:17,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:17,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-09 22:15:17,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:17,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:18,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:18,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:15:18,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:18,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:18,079 INFO L142 QuantifierPusher]: treesize reduction 7, result has 96.9 percent of original size [2021-07-09 22:15:18,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-07-09 22:15:18,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:18,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:18,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:18,155 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:18,155 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689268956] [2021-07-09 22:15:18,155 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689268956] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:18,155 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:18,155 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-07-09 22:15:18,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260340859] [2021-07-09 22:15:18,156 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-09 22:15:18,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:18,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-09 22:15:18,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=558, Unknown=0, NotChecked=0, Total=650 [2021-07-09 22:15:18,156 INFO L87 Difference]: Start difference. First operand 824 states and 1115 transitions. Second operand has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 26 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:19,821 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2021-07-09 22:15:20,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:20,095 INFO L93 Difference]: Finished difference Result 1271 states and 1799 transitions. [2021-07-09 22:15:20,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 22:15:20,095 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 26 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-07-09 22:15:20,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:20,098 INFO L225 Difference]: With dead ends: 1271 [2021-07-09 22:15:20,098 INFO L226 Difference]: Without dead ends: 1211 [2021-07-09 22:15:20,099 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 1672.1ms TimeCoverageRelationStatistics Valid=516, Invalid=1934, Unknown=0, NotChecked=0, Total=2450 [2021-07-09 22:15:20,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2021-07-09 22:15:20,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 969. [2021-07-09 22:15:20,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 969 states, 967 states have (on average 1.4136504653567736) internal successors, (1367), 968 states have internal predecessors, (1367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:20,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1367 transitions. [2021-07-09 22:15:20,112 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1367 transitions. Word has length 114 [2021-07-09 22:15:20,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:20,112 INFO L482 AbstractCegarLoop]: Abstraction has 969 states and 1367 transitions. [2021-07-09 22:15:20,112 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 26 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:20,112 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1367 transitions. [2021-07-09 22:15:20,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-07-09 22:15:20,113 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:20,114 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:20,114 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-07-09 22:15:20,114 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:20,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:20,114 INFO L82 PathProgramCache]: Analyzing trace with hash 929112806, now seen corresponding path program 4 times [2021-07-09 22:15:20,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:20,114 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606620223] [2021-07-09 22:15:20,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:20,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:20,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:20,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:20,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:20,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:20,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:20,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:20,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:20,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:20,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:20,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:20,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:20,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:20,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:20,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:20,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:20,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:20,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:20,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:20,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:20,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:20,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:20,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:20,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:15:20,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:20,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:20,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:20,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:20,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:20,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:20,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:20,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:20,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:20,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:20,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:20,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:20,409 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-07-09 22:15:20,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 22:15:20,443 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-09 22:15:20,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:15:20,487 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-09 22:15:20,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:15:20,530 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-09 22:15:20,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:15:20,572 INFO L142 QuantifierPusher]: treesize reduction 25, result has 68.8 percent of original size [2021-07-09 22:15:20,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:15:20,626 INFO L142 QuantifierPusher]: treesize reduction 25, result has 64.8 percent of original size [2021-07-09 22:15:20,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:15:20,628 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:15:20,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:20,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:20,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:20,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:20,629 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:20,629 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606620223] [2021-07-09 22:15:20,630 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606620223] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:20,630 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:20,630 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-07-09 22:15:20,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219622761] [2021-07-09 22:15:20,630 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-09 22:15:20,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:20,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-09 22:15:20,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2021-07-09 22:15:20,631 INFO L87 Difference]: Start difference. First operand 969 states and 1367 transitions. Second operand has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:21,622 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-07-09 22:15:21,782 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-07-09 22:15:21,967 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2021-07-09 22:15:22,163 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-07-09 22:15:22,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:22,294 INFO L93 Difference]: Finished difference Result 1031 states and 1417 transitions. [2021-07-09 22:15:22,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 22:15:22,295 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-07-09 22:15:22,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:22,297 INFO L225 Difference]: With dead ends: 1031 [2021-07-09 22:15:22,297 INFO L226 Difference]: Without dead ends: 1031 [2021-07-09 22:15:22,298 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1629.8ms TimeCoverageRelationStatistics Valid=393, Invalid=1329, Unknown=0, NotChecked=0, Total=1722 [2021-07-09 22:15:22,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2021-07-09 22:15:22,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 865. [2021-07-09 22:15:22,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 865 states, 863 states have (on average 1.361529548088065) internal successors, (1175), 864 states have internal predecessors, (1175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:22,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1175 transitions. [2021-07-09 22:15:22,308 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1175 transitions. Word has length 114 [2021-07-09 22:15:22,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:22,308 INFO L482 AbstractCegarLoop]: Abstraction has 865 states and 1175 transitions. [2021-07-09 22:15:22,309 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:22,309 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1175 transitions. [2021-07-09 22:15:22,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-07-09 22:15:22,310 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:22,310 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:22,310 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-07-09 22:15:22,310 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:22,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:22,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1313778576, now seen corresponding path program 2 times [2021-07-09 22:15:22,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:22,311 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897022460] [2021-07-09 22:15:22,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:22,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:22,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:15:22,429 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-07-09 22:15:22,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:15:22,434 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-07-09 22:15:22,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:22,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:22,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:22,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:22,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:22,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:22,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:22,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:22,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:22,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:15:22,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:22,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:22,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:22,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:22,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:22,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:22,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:15:22,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:22,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:22,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:15:22,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:22,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-09 22:15:22,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:22,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:15:22,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:22,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:22,945 INFO L142 QuantifierPusher]: treesize reduction 7, result has 96.9 percent of original size [2021-07-09 22:15:22,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-07-09 22:15:23,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:23,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:23,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:23,019 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:23,019 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897022460] [2021-07-09 22:15:23,019 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897022460] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:23,019 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:23,019 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-07-09 22:15:23,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760528629] [2021-07-09 22:15:23,019 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-09 22:15:23,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:23,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-09 22:15:23,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=559, Unknown=0, NotChecked=0, Total=650 [2021-07-09 22:15:23,020 INFO L87 Difference]: Start difference. First operand 865 states and 1175 transitions. Second operand has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 26 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:24,829 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2021-07-09 22:15:25,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:25,146 INFO L93 Difference]: Finished difference Result 1302 states and 1843 transitions. [2021-07-09 22:15:25,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 22:15:25,146 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 26 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-07-09 22:15:25,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:25,149 INFO L225 Difference]: With dead ends: 1302 [2021-07-09 22:15:25,149 INFO L226 Difference]: Without dead ends: 1242 [2021-07-09 22:15:25,149 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 1654.5ms TimeCoverageRelationStatistics Valid=518, Invalid=1932, Unknown=0, NotChecked=0, Total=2450 [2021-07-09 22:15:25,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2021-07-09 22:15:25,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 979. [2021-07-09 22:15:25,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 979 states, 977 states have (on average 1.4145342886386898) internal successors, (1382), 978 states have internal predecessors, (1382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:25,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 1382 transitions. [2021-07-09 22:15:25,162 INFO L78 Accepts]: Start accepts. Automaton has 979 states and 1382 transitions. Word has length 114 [2021-07-09 22:15:25,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:25,162 INFO L482 AbstractCegarLoop]: Abstraction has 979 states and 1382 transitions. [2021-07-09 22:15:25,162 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 26 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:25,162 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1382 transitions. [2021-07-09 22:15:25,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-07-09 22:15:25,164 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:25,164 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:25,164 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-07-09 22:15:25,164 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:25,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:25,164 INFO L82 PathProgramCache]: Analyzing trace with hash 682560366, now seen corresponding path program 5 times [2021-07-09 22:15:25,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:25,164 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588614606] [2021-07-09 22:15:25,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:25,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:25,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:25,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:25,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:25,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:25,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:25,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:25,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:25,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:25,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:25,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:25,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:25,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:25,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:25,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:25,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:25,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:25,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:25,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:25,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:25,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:25,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:25,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:25,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:15:25,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:25,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:25,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:25,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:25,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:25,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:25,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:25,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:25,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:25,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:25,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:25,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:25,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:25,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:25,467 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-07-09 22:15:25,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 22:15:25,503 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-09 22:15:25,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:15:25,543 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-09 22:15:25,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:15:25,585 INFO L142 QuantifierPusher]: treesize reduction 25, result has 68.8 percent of original size [2021-07-09 22:15:25,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:15:25,639 INFO L142 QuantifierPusher]: treesize reduction 25, result has 64.8 percent of original size [2021-07-09 22:15:25,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:15:25,640 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:15:25,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:25,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:25,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:25,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:25,642 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:25,642 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588614606] [2021-07-09 22:15:25,642 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588614606] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:25,642 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:25,642 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-07-09 22:15:25,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640767717] [2021-07-09 22:15:25,642 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-09 22:15:25,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:25,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-09 22:15:25,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2021-07-09 22:15:25,643 INFO L87 Difference]: Start difference. First operand 979 states and 1382 transitions. Second operand has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:26,656 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-07-09 22:15:26,796 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-07-09 22:15:26,990 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2021-07-09 22:15:27,180 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-07-09 22:15:27,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:27,287 INFO L93 Difference]: Finished difference Result 1062 states and 1461 transitions. [2021-07-09 22:15:27,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 22:15:27,288 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-07-09 22:15:27,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:27,290 INFO L225 Difference]: With dead ends: 1062 [2021-07-09 22:15:27,290 INFO L226 Difference]: Without dead ends: 1062 [2021-07-09 22:15:27,290 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1591.0ms TimeCoverageRelationStatistics Valid=393, Invalid=1329, Unknown=0, NotChecked=0, Total=1722 [2021-07-09 22:15:27,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2021-07-09 22:15:27,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 855. [2021-07-09 22:15:27,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 853 states have (on average 1.35873388042204) internal successors, (1159), 854 states have internal predecessors, (1159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:27,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1159 transitions. [2021-07-09 22:15:27,300 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1159 transitions. Word has length 114 [2021-07-09 22:15:27,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:27,300 INFO L482 AbstractCegarLoop]: Abstraction has 855 states and 1159 transitions. [2021-07-09 22:15:27,300 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:27,300 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1159 transitions. [2021-07-09 22:15:27,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-07-09 22:15:27,302 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:27,302 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:27,302 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-07-09 22:15:27,302 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:27,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:27,302 INFO L82 PathProgramCache]: Analyzing trace with hash -2120578160, now seen corresponding path program 3 times [2021-07-09 22:15:27,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:27,302 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306518231] [2021-07-09 22:15:27,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:27,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:27,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:15:27,425 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-07-09 22:15:27,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:15:27,430 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-07-09 22:15:27,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:27,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:27,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:27,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:27,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:27,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:27,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:27,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:27,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:27,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:15:27,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:27,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:27,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:27,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:27,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:27,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:27,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:27,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:15:27,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:27,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:15:27,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:27,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-09 22:15:27,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:27,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:15:27,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:27,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:27,928 INFO L142 QuantifierPusher]: treesize reduction 7, result has 96.9 percent of original size [2021-07-09 22:15:27,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-07-09 22:15:28,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:28,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:28,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:28,014 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:28,014 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306518231] [2021-07-09 22:15:28,014 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306518231] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:28,014 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:28,014 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-07-09 22:15:28,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841542981] [2021-07-09 22:15:28,015 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-09 22:15:28,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:28,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-09 22:15:28,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=560, Unknown=0, NotChecked=0, Total=650 [2021-07-09 22:15:28,015 INFO L87 Difference]: Start difference. First operand 855 states and 1159 transitions. Second operand has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 26 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:29,747 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2021-07-09 22:15:30,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:30,062 INFO L93 Difference]: Finished difference Result 1287 states and 1819 transitions. [2021-07-09 22:15:30,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 22:15:30,063 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 26 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-07-09 22:15:30,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:30,065 INFO L225 Difference]: With dead ends: 1287 [2021-07-09 22:15:30,065 INFO L226 Difference]: Without dead ends: 1227 [2021-07-09 22:15:30,065 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 1616.5ms TimeCoverageRelationStatistics Valid=520, Invalid=1930, Unknown=0, NotChecked=0, Total=2450 [2021-07-09 22:15:30,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2021-07-09 22:15:30,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 964. [2021-07-09 22:15:30,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 962 states have (on average 1.4116424116424116) internal successors, (1358), 963 states have internal predecessors, (1358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:30,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1358 transitions. [2021-07-09 22:15:30,078 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1358 transitions. Word has length 114 [2021-07-09 22:15:30,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:30,078 INFO L482 AbstractCegarLoop]: Abstraction has 964 states and 1358 transitions. [2021-07-09 22:15:30,078 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 26 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:30,078 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1358 transitions. [2021-07-09 22:15:30,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-07-09 22:15:30,080 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:30,080 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:30,080 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-07-09 22:15:30,080 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:30,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:30,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1543170926, now seen corresponding path program 6 times [2021-07-09 22:15:30,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:30,081 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336939395] [2021-07-09 22:15:30,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:30,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:30,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:30,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:30,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:30,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:30,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:30,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:30,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:30,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:30,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:30,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:30,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:30,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:30,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:30,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:30,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:30,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:30,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:30,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:30,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:30,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:30,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:30,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:30,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:15:30,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:30,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:30,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:30,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:30,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:30,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:30,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:30,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:30,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:30,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:30,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:30,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:30,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:30,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:30,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:30,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:30,407 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-07-09 22:15:30,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 22:15:30,453 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.5 percent of original size [2021-07-09 22:15:30,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:15:30,497 INFO L142 QuantifierPusher]: treesize reduction 25, result has 68.8 percent of original size [2021-07-09 22:15:30,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:15:30,552 INFO L142 QuantifierPusher]: treesize reduction 25, result has 64.8 percent of original size [2021-07-09 22:15:30,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:15:30,554 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:15:30,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:30,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:30,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:30,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:30,556 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:30,556 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336939395] [2021-07-09 22:15:30,556 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336939395] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:30,556 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:30,556 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-07-09 22:15:30,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437346162] [2021-07-09 22:15:30,556 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-09 22:15:30,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:30,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-09 22:15:30,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2021-07-09 22:15:30,557 INFO L87 Difference]: Start difference. First operand 964 states and 1358 transitions. Second operand has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:31,555 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-07-09 22:15:31,711 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-07-09 22:15:31,878 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2021-07-09 22:15:32,084 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-07-09 22:15:32,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:32,189 INFO L93 Difference]: Finished difference Result 1047 states and 1437 transitions. [2021-07-09 22:15:32,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 22:15:32,190 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-07-09 22:15:32,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:32,191 INFO L225 Difference]: With dead ends: 1047 [2021-07-09 22:15:32,192 INFO L226 Difference]: Without dead ends: 1047 [2021-07-09 22:15:32,192 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1611.2ms TimeCoverageRelationStatistics Valid=393, Invalid=1329, Unknown=0, NotChecked=0, Total=1722 [2021-07-09 22:15:32,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2021-07-09 22:15:32,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 850. [2021-07-09 22:15:32,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 848 states have (on average 1.357311320754717) internal successors, (1151), 849 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:32,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1151 transitions. [2021-07-09 22:15:32,203 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1151 transitions. Word has length 114 [2021-07-09 22:15:32,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:32,203 INFO L482 AbstractCegarLoop]: Abstraction has 850 states and 1151 transitions. [2021-07-09 22:15:32,203 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:32,203 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1151 transitions. [2021-07-09 22:15:32,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-07-09 22:15:32,205 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:32,205 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:32,205 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-07-09 22:15:32,205 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:32,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:32,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1240531720, now seen corresponding path program 4 times [2021-07-09 22:15:32,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:32,206 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903350217] [2021-07-09 22:15:32,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:32,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:32,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:15:32,314 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-07-09 22:15:32,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:15:32,319 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-07-09 22:15:32,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:32,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:32,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:32,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:32,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:32,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:32,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:32,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:32,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:32,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:15:32,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:32,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:32,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:32,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:32,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:32,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:32,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:32,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:32,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:15:32,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:15:32,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:32,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-09 22:15:32,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:32,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:15:32,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:32,834 INFO L142 QuantifierPusher]: treesize reduction 7, result has 96.9 percent of original size [2021-07-09 22:15:32,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-07-09 22:15:32,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:32,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:32,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:32,898 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:32,898 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903350217] [2021-07-09 22:15:32,898 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903350217] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:32,898 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:32,898 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-07-09 22:15:32,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175557801] [2021-07-09 22:15:32,898 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-09 22:15:32,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:32,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-09 22:15:32,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=561, Unknown=0, NotChecked=0, Total=650 [2021-07-09 22:15:32,899 INFO L87 Difference]: Start difference. First operand 850 states and 1151 transitions. Second operand has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 26 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:34,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:34,919 INFO L93 Difference]: Finished difference Result 1122 states and 1539 transitions. [2021-07-09 22:15:34,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-09 22:15:34,919 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 26 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-07-09 22:15:34,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:34,921 INFO L225 Difference]: With dead ends: 1122 [2021-07-09 22:15:34,921 INFO L226 Difference]: Without dead ends: 1042 [2021-07-09 22:15:34,922 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 1452.2ms TimeCoverageRelationStatistics Valid=473, Invalid=1783, Unknown=0, NotChecked=0, Total=2256 [2021-07-09 22:15:34,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2021-07-09 22:15:34,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 814. [2021-07-09 22:15:34,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 814 states, 812 states have (on average 1.3275862068965518) internal successors, (1078), 813 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:34,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 1078 transitions. [2021-07-09 22:15:34,931 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 1078 transitions. Word has length 114 [2021-07-09 22:15:34,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:34,932 INFO L482 AbstractCegarLoop]: Abstraction has 814 states and 1078 transitions. [2021-07-09 22:15:34,932 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.384615384615385) internal successors, (114), 26 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:34,932 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1078 transitions. [2021-07-09 22:15:34,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-07-09 22:15:34,933 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:34,933 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:34,933 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-07-09 22:15:34,934 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:34,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:34,934 INFO L82 PathProgramCache]: Analyzing trace with hash 609313510, now seen corresponding path program 7 times [2021-07-09 22:15:34,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:34,934 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764893496] [2021-07-09 22:15:34,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:35,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:35,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:35,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:35,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:35,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:35,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:35,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:35,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:35,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:35,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:35,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:35,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:35,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:35,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:35,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:35,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:35,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:35,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:35,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:35,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:35,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:35,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:35,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:35,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:15:35,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:35,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:35,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:35,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:35,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:35,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:35,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:35,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:35,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:35,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:35,207 INFO L142 QuantifierPusher]: treesize reduction 13, result has 68.3 percent of original size [2021-07-09 22:15:35,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:35,240 INFO L142 QuantifierPusher]: treesize reduction 13, result has 68.3 percent of original size [2021-07-09 22:15:35,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:35,276 INFO L142 QuantifierPusher]: treesize reduction 13, result has 68.3 percent of original size [2021-07-09 22:15:35,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:35,312 INFO L142 QuantifierPusher]: treesize reduction 13, result has 68.3 percent of original size [2021-07-09 22:15:35,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:35,350 INFO L142 QuantifierPusher]: treesize reduction 25, result has 62.1 percent of original size [2021-07-09 22:15:35,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:15:35,394 INFO L142 QuantifierPusher]: treesize reduction 25, result has 68.8 percent of original size [2021-07-09 22:15:35,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:15:35,449 INFO L142 QuantifierPusher]: treesize reduction 25, result has 64.8 percent of original size [2021-07-09 22:15:35,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:15:35,454 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:15:35,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:35,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:35,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:35,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:35,455 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:35,455 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764893496] [2021-07-09 22:15:35,455 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764893496] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:35,455 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:35,456 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-07-09 22:15:35,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511335705] [2021-07-09 22:15:35,456 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-09 22:15:35,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:35,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-09 22:15:35,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2021-07-09 22:15:35,457 INFO L87 Difference]: Start difference. First operand 814 states and 1078 transitions. Second operand has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:36,512 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-07-09 22:15:36,695 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-07-09 22:15:36,907 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-07-09 22:15:37,126 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2021-07-09 22:15:37,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:37,252 INFO L93 Difference]: Finished difference Result 986 states and 1314 transitions. [2021-07-09 22:15:37,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 22:15:37,252 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-07-09 22:15:37,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:37,254 INFO L225 Difference]: With dead ends: 986 [2021-07-09 22:15:37,254 INFO L226 Difference]: Without dead ends: 986 [2021-07-09 22:15:37,254 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1760.4ms TimeCoverageRelationStatistics Valid=393, Invalid=1329, Unknown=0, NotChecked=0, Total=1722 [2021-07-09 22:15:37,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2021-07-09 22:15:37,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 809. [2021-07-09 22:15:37,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 807 states have (on average 1.322180916976456) internal successors, (1067), 808 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:37,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1067 transitions. [2021-07-09 22:15:37,264 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1067 transitions. Word has length 114 [2021-07-09 22:15:37,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:37,264 INFO L482 AbstractCegarLoop]: Abstraction has 809 states and 1067 transitions. [2021-07-09 22:15:37,264 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:37,264 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1067 transitions. [2021-07-09 22:15:37,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-07-09 22:15:37,266 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:37,266 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:37,266 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-07-09 22:15:37,266 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:37,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:37,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1879776816, now seen corresponding path program 8 times [2021-07-09 22:15:37,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:37,266 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585989256] [2021-07-09 22:15:37,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:37,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:37,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:37,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:37,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:37,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:37,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:37,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:37,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:37,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:37,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:37,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:37,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:37,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:37,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:37,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:37,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:37,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:37,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:37,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:37,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:37,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:37,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:37,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:37,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:15:37,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:37,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:37,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:37,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:37,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:37,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:37,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:37,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:37,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:37,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:15:37,541 INFO L142 QuantifierPusher]: treesize reduction 13, result has 68.3 percent of original size [2021-07-09 22:15:37,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:37,575 INFO L142 QuantifierPusher]: treesize reduction 13, result has 74.0 percent of original size [2021-07-09 22:15:37,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:15:37,613 INFO L142 QuantifierPusher]: treesize reduction 13, result has 74.0 percent of original size [2021-07-09 22:15:37,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:15:37,653 INFO L142 QuantifierPusher]: treesize reduction 13, result has 74.0 percent of original size [2021-07-09 22:15:37,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:15:37,699 INFO L142 QuantifierPusher]: treesize reduction 13, result has 74.0 percent of original size [2021-07-09 22:15:37,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:15:37,739 INFO L142 QuantifierPusher]: treesize reduction 25, result has 68.8 percent of original size [2021-07-09 22:15:37,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:15:37,794 INFO L142 QuantifierPusher]: treesize reduction 25, result has 64.8 percent of original size [2021-07-09 22:15:37,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:15:37,795 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:15:37,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:37,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:37,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:37,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:37,797 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:37,797 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585989256] [2021-07-09 22:15:37,797 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585989256] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:37,797 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:37,797 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-07-09 22:15:37,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876171716] [2021-07-09 22:15:37,797 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-09 22:15:37,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:37,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-09 22:15:37,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2021-07-09 22:15:37,798 INFO L87 Difference]: Start difference. First operand 809 states and 1067 transitions. Second operand has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:38,817 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-07-09 22:15:38,966 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-07-09 22:15:39,176 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2021-07-09 22:15:39,373 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-07-09 22:15:39,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:39,428 INFO L93 Difference]: Finished difference Result 679 states and 844 transitions. [2021-07-09 22:15:39,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-09 22:15:39,428 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-07-09 22:15:39,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:39,429 INFO L225 Difference]: With dead ends: 679 [2021-07-09 22:15:39,429 INFO L226 Difference]: Without dead ends: 619 [2021-07-09 22:15:39,430 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1656.7ms TimeCoverageRelationStatistics Valid=393, Invalid=1329, Unknown=0, NotChecked=0, Total=1722 [2021-07-09 22:15:39,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2021-07-09 22:15:39,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 619. [2021-07-09 22:15:39,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 617 states have (on average 1.2706645056726094) internal successors, (784), 618 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:39,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 784 transitions. [2021-07-09 22:15:39,436 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 784 transitions. Word has length 114 [2021-07-09 22:15:39,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:39,436 INFO L482 AbstractCegarLoop]: Abstraction has 619 states and 784 transitions. [2021-07-09 22:15:39,436 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 22 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:39,437 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 784 transitions. [2021-07-09 22:15:39,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-07-09 22:15:39,438 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:39,438 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:39,438 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-07-09 22:15:39,438 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:39,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:39,438 INFO L82 PathProgramCache]: Analyzing trace with hash 288738864, now seen corresponding path program 9 times [2021-07-09 22:15:39,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:39,438 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64113475] [2021-07-09 22:15:39,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:39,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:39,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:39,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:39,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:39,542 INFO L142 QuantifierPusher]: treesize reduction 5, result has 64.3 percent of original size [2021-07-09 22:15:39,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:39,546 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-09 22:15:39,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:39,553 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-07-09 22:15:39,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:39,561 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-07-09 22:15:39,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:15:39,574 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-09 22:15:39,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 22:15:39,586 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-07-09 22:15:39,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 22:15:39,600 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:39,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:39,613 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:39,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:39,627 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:39,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:39,643 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:39,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:39,660 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-07-09 22:15:39,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:15:39,709 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-07-09 22:15:39,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:15:39,748 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.9 percent of original size [2021-07-09 22:15:39,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:15:39,764 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-07-09 22:15:39,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:15:39,765 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:39,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:39,780 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 22:15:39,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:39,781 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-07-09 22:15:39,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:39,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:39,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:39,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:39,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:39,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:39,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:39,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:39,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:39,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:39,835 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:39,835 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64113475] [2021-07-09 22:15:39,835 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64113475] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:39,835 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:39,836 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-07-09 22:15:39,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60037886] [2021-07-09 22:15:39,836 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-09 22:15:39,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:39,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-09 22:15:39,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-09 22:15:39,837 INFO L87 Difference]: Start difference. First operand 619 states and 784 transitions. Second operand has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:40,476 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-07-09 22:15:40,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:40,844 INFO L93 Difference]: Finished difference Result 776 states and 1005 transitions. [2021-07-09 22:15:40,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-09 22:15:40,845 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-07-09 22:15:40,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:40,846 INFO L225 Difference]: With dead ends: 776 [2021-07-09 22:15:40,846 INFO L226 Difference]: Without dead ends: 776 [2021-07-09 22:15:40,846 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 985.9ms TimeCoverageRelationStatistics Valid=316, Invalid=944, Unknown=0, NotChecked=0, Total=1260 [2021-07-09 22:15:40,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2021-07-09 22:15:40,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 583. [2021-07-09 22:15:40,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 582 states have (on average 1.2714776632302405) internal successors, (740), 582 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:40,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 740 transitions. [2021-07-09 22:15:40,853 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 740 transitions. Word has length 114 [2021-07-09 22:15:40,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:40,853 INFO L482 AbstractCegarLoop]: Abstraction has 583 states and 740 transitions. [2021-07-09 22:15:40,853 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 6.0) internal successors, (114), 19 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:40,853 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 740 transitions. [2021-07-09 22:15:40,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:15:40,854 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:40,854 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:40,855 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-07-09 22:15:40,855 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:40,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:40,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1439029827, now seen corresponding path program 1 times [2021-07-09 22:15:40,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:40,855 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210793327] [2021-07-09 22:15:40,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:41,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:41,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:41,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:41,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:15:41,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:41,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:41,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:41,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:15:41,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:41,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:41,035 INFO L142 QuantifierPusher]: treesize reduction 25, result has 47.9 percent of original size [2021-07-09 22:15:41,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:41,048 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.0 percent of original size [2021-07-09 22:15:41,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:15:41,069 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.4 percent of original size [2021-07-09 22:15:41,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-09 22:15:41,116 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-09 22:15:41,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:15:41,139 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-09 22:15:41,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:15:41,164 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-09 22:15:41,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:15:41,184 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:15:41,184 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:15:41,219 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:15:41,219 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:15:41,255 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:15:41,256 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:15:41,302 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:15:41,302 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:15:41,341 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-07-09 22:15:41,342 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.6 percent of original size 43 [2021-07-09 22:15:41,399 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.5 percent of original size [2021-07-09 22:15:41,399 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size 46 [2021-07-09 22:15:41,424 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-09 22:15:41,425 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:15:41,445 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-09 22:15:41,445 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:15:41,482 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.8 percent of original size [2021-07-09 22:15:41,484 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.5 percent of original size 32 [2021-07-09 22:15:41,527 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-09 22:15:41,530 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:15:41,569 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:15:41,570 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:15:41,612 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:15:41,620 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:15:41,664 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:15:41,669 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:15:41,713 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:15:41,714 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:15:41,760 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-07-09 22:15:41,762 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:15:41,813 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:15:41,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:15:41,849 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:15:41,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:41,872 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:15:41,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:41,899 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:15:41,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:41,928 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:15:41,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:41,929 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:15:41,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:41,963 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:15:41,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:41,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:41,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:42,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:42,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:42,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:42,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:42,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:42,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:42,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:42,060 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:42,060 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210793327] [2021-07-09 22:15:42,060 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210793327] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:42,061 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:42,061 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2021-07-09 22:15:42,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224217704] [2021-07-09 22:15:42,061 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-09 22:15:42,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:42,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-09 22:15:42,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=974, Unknown=0, NotChecked=0, Total=1056 [2021-07-09 22:15:42,062 INFO L87 Difference]: Start difference. First operand 583 states and 740 transitions. Second operand has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:43,227 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-07-09 22:15:43,449 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-09 22:15:43,703 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2021-07-09 22:15:44,390 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-09 22:15:44,563 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-09 22:15:44,748 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-09 22:15:44,914 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2021-07-09 22:15:45,235 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-09 22:15:45,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:45,990 INFO L93 Difference]: Finished difference Result 807 states and 1066 transitions. [2021-07-09 22:15:45,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-09 22:15:45,991 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:15:45,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:45,992 INFO L225 Difference]: With dead ends: 807 [2021-07-09 22:15:45,992 INFO L226 Difference]: Without dead ends: 683 [2021-07-09 22:15:45,993 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 726 ImplicationChecksByTransitivity, 3935.6ms TimeCoverageRelationStatistics Valid=651, Invalid=3381, Unknown=0, NotChecked=0, Total=4032 [2021-07-09 22:15:45,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2021-07-09 22:15:45,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 607. [2021-07-09 22:15:45,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 606 states have (on average 1.2805280528052805) internal successors, (776), 606 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:45,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 776 transitions. [2021-07-09 22:15:45,999 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 776 transitions. Word has length 120 [2021-07-09 22:15:45,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:45,999 INFO L482 AbstractCegarLoop]: Abstraction has 607 states and 776 transitions. [2021-07-09 22:15:45,999 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:45,999 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 776 transitions. [2021-07-09 22:15:46,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:15:46,000 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:46,000 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:46,000 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-07-09 22:15:46,000 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:46,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:46,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1917484195, now seen corresponding path program 2 times [2021-07-09 22:15:46,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:46,001 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471070109] [2021-07-09 22:15:46,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:46,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:46,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:46,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:46,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:15:46,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:46,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:46,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:46,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:15:46,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:46,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:46,157 INFO L142 QuantifierPusher]: treesize reduction 25, result has 51.9 percent of original size [2021-07-09 22:15:46,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:46,170 INFO L142 QuantifierPusher]: treesize reduction 25, result has 61.5 percent of original size [2021-07-09 22:15:46,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:15:46,189 INFO L142 QuantifierPusher]: treesize reduction 21, result has 72.0 percent of original size [2021-07-09 22:15:46,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-07-09 22:15:46,233 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-09 22:15:46,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:15:46,255 INFO L142 QuantifierPusher]: treesize reduction 12, result has 77.8 percent of original size [2021-07-09 22:15:46,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:15:46,275 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-09 22:15:46,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:15:46,294 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-09 22:15:46,294 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-09 22:15:46,329 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-09 22:15:46,329 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-09 22:15:46,364 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-09 22:15:46,365 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-09 22:15:46,417 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-09 22:15:46,417 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-09 22:15:46,460 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.8 percent of original size [2021-07-09 22:15:46,461 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.4 percent of original size 47 [2021-07-09 22:15:46,517 INFO L142 QuantifierPusher]: treesize reduction 14, result has 79.7 percent of original size [2021-07-09 22:15:46,518 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.9 percent of original size 50 [2021-07-09 22:15:46,536 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-09 22:15:46,536 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:15:46,577 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-09 22:15:46,578 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:15:46,612 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.8 percent of original size [2021-07-09 22:15:46,613 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.5 percent of original size 32 [2021-07-09 22:15:46,651 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:15:46,651 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-09 22:15:46,687 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:15:46,688 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-09 22:15:46,726 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:15:46,726 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-09 22:15:46,765 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:15:46,766 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-09 22:15:46,806 INFO L142 QuantifierPusher]: treesize reduction 46, result has 41.0 percent of original size [2021-07-09 22:15:46,806 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size 27 [2021-07-09 22:15:46,846 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-07-09 22:15:46,847 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:15:46,891 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-07-09 22:15:46,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:15:46,922 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-07-09 22:15:46,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:46,944 INFO L142 QuantifierPusher]: treesize reduction 16, result has 56.8 percent of original size [2021-07-09 22:15:46,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:15:46,972 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-07-09 22:15:46,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:47,003 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:15:47,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:47,033 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:15:47,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:15:47,033 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:15:47,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:15:47,061 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:15:47,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:15:47,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:47,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:47,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:47,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:47,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:47,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:47,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:47,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:47,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:47,159 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:47,159 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471070109] [2021-07-09 22:15:47,159 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471070109] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:47,159 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:47,159 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:15:47,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763856455] [2021-07-09 22:15:47,159 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:15:47,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:47,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:15:47,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1096, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:15:47,160 INFO L87 Difference]: Start difference. First operand 607 states and 776 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:48,220 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 62 [2021-07-09 22:15:48,396 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-07-09 22:15:48,621 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-09 22:15:48,885 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2021-07-09 22:15:49,202 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-07-09 22:15:49,461 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2021-07-09 22:15:49,909 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-07-09 22:15:50,450 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 88 [2021-07-09 22:15:50,729 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 92 [2021-07-09 22:15:50,882 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2021-07-09 22:15:51,069 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2021-07-09 22:15:51,232 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2021-07-09 22:15:52,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:52,267 INFO L93 Difference]: Finished difference Result 788 states and 1038 transitions. [2021-07-09 22:15:52,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-09 22:15:52,267 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:15:52,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:52,268 INFO L225 Difference]: With dead ends: 788 [2021-07-09 22:15:52,268 INFO L226 Difference]: Without dead ends: 674 [2021-07-09 22:15:52,269 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 906 ImplicationChecksByTransitivity, 4989.1ms TimeCoverageRelationStatistics Valid=878, Invalid=4092, Unknown=0, NotChecked=0, Total=4970 [2021-07-09 22:15:52,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2021-07-09 22:15:52,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 612. [2021-07-09 22:15:52,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 611 states have (on average 1.2847790507364976) internal successors, (785), 611 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:52,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 785 transitions. [2021-07-09 22:15:52,275 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 785 transitions. Word has length 120 [2021-07-09 22:15:52,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:52,275 INFO L482 AbstractCegarLoop]: Abstraction has 612 states and 785 transitions. [2021-07-09 22:15:52,275 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:52,275 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 785 transitions. [2021-07-09 22:15:52,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:15:52,276 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:52,276 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:52,276 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-07-09 22:15:52,277 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:52,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:52,277 INFO L82 PathProgramCache]: Analyzing trace with hash 607860393, now seen corresponding path program 3 times [2021-07-09 22:15:52,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:52,277 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509729822] [2021-07-09 22:15:52,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:52,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:52,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:52,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:52,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:52,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:15:52,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:52,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:52,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:52,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:15:52,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:52,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:52,539 INFO L142 QuantifierPusher]: treesize reduction 20, result has 62.3 percent of original size [2021-07-09 22:15:52,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:15:52,559 INFO L142 QuantifierPusher]: treesize reduction 20, result has 69.7 percent of original size [2021-07-09 22:15:52,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:15:52,594 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.0 percent of original size [2021-07-09 22:15:52,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-09 22:15:52,638 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-09 22:15:52,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-09 22:15:52,683 INFO L142 QuantifierPusher]: treesize reduction 26, result has 69.0 percent of original size [2021-07-09 22:15:52,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-09 22:15:52,730 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-09 22:15:52,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-09 22:15:52,796 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-09 22:15:52,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-09 22:15:52,866 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.3 percent of original size [2021-07-09 22:15:52,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:15:52,912 INFO L142 QuantifierPusher]: treesize reduction 20, result has 60.8 percent of original size [2021-07-09 22:15:52,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:15:52,934 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-07-09 22:15:52,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:52,957 INFO L142 QuantifierPusher]: treesize reduction 20, result has 57.4 percent of original size [2021-07-09 22:15:52,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:52,990 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:15:52,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:15:53,025 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:15:53,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:15:53,059 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:15:53,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:15:53,094 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:15:53,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:15:53,130 INFO L142 QuantifierPusher]: treesize reduction 24, result has 62.5 percent of original size [2021-07-09 22:15:53,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:15:53,161 INFO L142 QuantifierPusher]: treesize reduction 24, result has 64.2 percent of original size [2021-07-09 22:15:53,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:15:53,182 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-09 22:15:53,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:15:53,207 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-09 22:15:53,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:15:53,233 INFO L142 QuantifierPusher]: treesize reduction 29, result has 46.3 percent of original size [2021-07-09 22:15:53,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:15:53,269 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-09 22:15:53,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:53,299 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-09 22:15:53,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:53,329 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-09 22:15:53,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:53,359 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-09 22:15:53,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:53,390 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-09 22:15:53,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:15:53,424 INFO L142 QuantifierPusher]: treesize reduction 47, result has 44.0 percent of original size [2021-07-09 22:15:53,424 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size 31 [2021-07-09 22:15:53,491 INFO L142 QuantifierPusher]: treesize reduction 19, result has 56.8 percent of original size [2021-07-09 22:15:53,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:15:53,523 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-09 22:15:53,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:15:53,549 INFO L142 QuantifierPusher]: treesize reduction 29, result has 32.6 percent of original size [2021-07-09 22:15:53,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:53,579 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-09 22:15:53,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:15:53,610 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-09 22:15:53,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:15:53,612 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-09 22:15:53,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:15:53,640 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-09 22:15:53,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:15:53,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:53,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:15:53,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:53,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:53,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:53,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:15:53,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:53,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:53,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:15:53,747 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:15:53,747 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509729822] [2021-07-09 22:15:53,747 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509729822] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:15:53,747 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:15:53,747 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-07-09 22:15:53,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77684963] [2021-07-09 22:15:53,747 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-09 22:15:53,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:15:53,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-09 22:15:53,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1366, Unknown=0, NotChecked=0, Total=1482 [2021-07-09 22:15:53,753 INFO L87 Difference]: Start difference. First operand 612 states and 785 transitions. Second operand has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:55,362 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2021-07-09 22:15:55,523 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2021-07-09 22:15:55,700 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-07-09 22:15:55,943 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2021-07-09 22:15:56,255 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-07-09 22:15:56,477 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-09 22:15:56,933 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-09 22:15:57,444 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 86 [2021-07-09 22:15:57,608 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2021-07-09 22:15:57,755 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2021-07-09 22:15:57,936 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2021-07-09 22:15:58,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:15:58,996 INFO L93 Difference]: Finished difference Result 782 states and 1030 transitions. [2021-07-09 22:15:58,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-09 22:15:58,997 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:15:58,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:15:58,998 INFO L225 Difference]: With dead ends: 782 [2021-07-09 22:15:58,998 INFO L226 Difference]: Without dead ends: 673 [2021-07-09 22:15:58,999 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1273 ImplicationChecksByTransitivity, 5416.9ms TimeCoverageRelationStatistics Valid=1004, Invalid=5316, Unknown=0, NotChecked=0, Total=6320 [2021-07-09 22:15:59,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2021-07-09 22:15:59,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 611. [2021-07-09 22:15:59,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 610 states have (on average 1.2836065573770492) internal successors, (783), 610 states have internal predecessors, (783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:59,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 783 transitions. [2021-07-09 22:15:59,005 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 783 transitions. Word has length 120 [2021-07-09 22:15:59,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:15:59,005 INFO L482 AbstractCegarLoop]: Abstraction has 611 states and 783 transitions. [2021-07-09 22:15:59,005 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:15:59,005 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 783 transitions. [2021-07-09 22:15:59,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:15:59,006 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:15:59,006 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:15:59,006 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-07-09 22:15:59,006 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:15:59,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:15:59,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1048491777, now seen corresponding path program 4 times [2021-07-09 22:15:59,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:15:59,007 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809765525] [2021-07-09 22:15:59,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:15:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:15:59,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:59,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:15:59,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:59,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:15:59,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:59,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:15:59,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:59,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:15:59,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:15:59,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:59,203 INFO L142 QuantifierPusher]: treesize reduction 20, result has 62.3 percent of original size [2021-07-09 22:15:59,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:15:59,225 INFO L142 QuantifierPusher]: treesize reduction 20, result has 69.7 percent of original size [2021-07-09 22:15:59,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:15:59,270 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.0 percent of original size [2021-07-09 22:15:59,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-09 22:15:59,313 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-09 22:15:59,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-09 22:15:59,359 INFO L142 QuantifierPusher]: treesize reduction 26, result has 69.0 percent of original size [2021-07-09 22:15:59,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-09 22:15:59,405 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-09 22:15:59,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-09 22:15:59,472 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-09 22:15:59,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-09 22:15:59,539 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.3 percent of original size [2021-07-09 22:15:59,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:15:59,583 INFO L142 QuantifierPusher]: treesize reduction 20, result has 60.8 percent of original size [2021-07-09 22:15:59,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:15:59,604 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-07-09 22:15:59,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:15:59,626 INFO L142 QuantifierPusher]: treesize reduction 20, result has 57.4 percent of original size [2021-07-09 22:15:59,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:15:59,648 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:15:59,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:15:59,680 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:15:59,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:15:59,713 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:15:59,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:15:59,747 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:15:59,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:15:59,784 INFO L142 QuantifierPusher]: treesize reduction 24, result has 62.5 percent of original size [2021-07-09 22:15:59,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:15:59,815 INFO L142 QuantifierPusher]: treesize reduction 24, result has 64.2 percent of original size [2021-07-09 22:15:59,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:15:59,836 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-09 22:15:59,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:15:59,862 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-09 22:15:59,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:15:59,891 INFO L142 QuantifierPusher]: treesize reduction 29, result has 46.3 percent of original size [2021-07-09 22:15:59,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:15:59,918 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-09 22:15:59,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:59,945 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-09 22:15:59,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:15:59,973 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-09 22:15:59,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:16:00,002 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-09 22:16:00,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:16:00,035 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-09 22:16:00,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:16:00,069 INFO L142 QuantifierPusher]: treesize reduction 47, result has 44.0 percent of original size [2021-07-09 22:16:00,070 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size 31 [2021-07-09 22:16:00,113 INFO L142 QuantifierPusher]: treesize reduction 19, result has 56.8 percent of original size [2021-07-09 22:16:00,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:16:00,146 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-09 22:16:00,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:16:00,172 INFO L142 QuantifierPusher]: treesize reduction 29, result has 32.6 percent of original size [2021-07-09 22:16:00,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:16:00,201 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-09 22:16:00,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:16:00,240 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-09 22:16:00,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:16:00,241 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-09 22:16:00,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:16:00,272 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-09 22:16:00,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:16:00,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:00,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:16:00,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:00,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:16:00,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:00,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:16:00,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:00,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:16:00,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:16:00,382 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:16:00,382 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809765525] [2021-07-09 22:16:00,382 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809765525] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:16:00,382 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:16:00,383 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-07-09 22:16:00,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14002237] [2021-07-09 22:16:00,383 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-09 22:16:00,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:16:00,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-09 22:16:00,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1366, Unknown=0, NotChecked=0, Total=1482 [2021-07-09 22:16:00,384 INFO L87 Difference]: Start difference. First operand 611 states and 783 transitions. Second operand has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:02,022 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2021-07-09 22:16:02,187 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2021-07-09 22:16:02,372 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-07-09 22:16:02,620 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2021-07-09 22:16:02,943 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-07-09 22:16:03,169 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-09 22:16:03,627 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-09 22:16:03,914 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2021-07-09 22:16:04,221 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2021-07-09 22:16:04,408 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2021-07-09 22:16:04,543 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-07-09 22:16:04,752 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2021-07-09 22:16:05,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:16:05,558 INFO L93 Difference]: Finished difference Result 783 states and 1030 transitions. [2021-07-09 22:16:05,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-09 22:16:05,558 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:16:05,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:16:05,559 INFO L225 Difference]: With dead ends: 783 [2021-07-09 22:16:05,559 INFO L226 Difference]: Without dead ends: 671 [2021-07-09 22:16:05,560 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1243 ImplicationChecksByTransitivity, 5198.5ms TimeCoverageRelationStatistics Valid=963, Invalid=5199, Unknown=0, NotChecked=0, Total=6162 [2021-07-09 22:16:05,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2021-07-09 22:16:05,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 609. [2021-07-09 22:16:05,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 608 states have (on average 1.28125) internal successors, (779), 608 states have internal predecessors, (779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:05,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 779 transitions. [2021-07-09 22:16:05,566 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 779 transitions. Word has length 120 [2021-07-09 22:16:05,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:16:05,566 INFO L482 AbstractCegarLoop]: Abstraction has 609 states and 779 transitions. [2021-07-09 22:16:05,566 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:05,567 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 779 transitions. [2021-07-09 22:16:05,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:16:05,568 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:16:05,568 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:16:05,568 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-07-09 22:16:05,568 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:16:05,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:16:05,568 INFO L82 PathProgramCache]: Analyzing trace with hash 790387295, now seen corresponding path program 5 times [2021-07-09 22:16:05,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:16:05,568 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814786000] [2021-07-09 22:16:05,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:16:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:16:05,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:05,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:16:05,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:05,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:16:05,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:05,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:16:05,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:05,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:16:05,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:05,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:16:05,742 INFO L142 QuantifierPusher]: treesize reduction 24, result has 53.8 percent of original size [2021-07-09 22:16:05,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:16:05,763 INFO L142 QuantifierPusher]: treesize reduction 24, result has 63.1 percent of original size [2021-07-09 22:16:05,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:16:05,801 INFO L142 QuantifierPusher]: treesize reduction 24, result has 67.6 percent of original size [2021-07-09 22:16:05,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-09 22:16:05,841 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.8 percent of original size [2021-07-09 22:16:05,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:16:05,862 INFO L142 QuantifierPusher]: treesize reduction 19, result has 71.6 percent of original size [2021-07-09 22:16:05,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-09 22:16:05,904 INFO L142 QuantifierPusher]: treesize reduction 19, result has 71.6 percent of original size [2021-07-09 22:16:05,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-09 22:16:05,948 INFO L142 QuantifierPusher]: treesize reduction 15, result has 69.4 percent of original size [2021-07-09 22:16:05,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:16:05,971 INFO L142 QuantifierPusher]: treesize reduction 15, result has 71.7 percent of original size [2021-07-09 22:16:05,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:16:05,995 INFO L142 QuantifierPusher]: treesize reduction 15, result has 66.7 percent of original size [2021-07-09 22:16:05,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:16:06,018 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-09 22:16:06,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:16:06,053 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-09 22:16:06,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:16:06,088 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-09 22:16:06,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:16:06,124 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-09 22:16:06,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:16:06,175 INFO L142 QuantifierPusher]: treesize reduction 19, result has 69.4 percent of original size [2021-07-09 22:16:06,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:16:06,205 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.8 percent of original size [2021-07-09 22:16:06,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:16:06,229 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.2 percent of original size [2021-07-09 22:16:06,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:16:06,254 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.2 percent of original size [2021-07-09 22:16:06,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:16:06,281 INFO L142 QuantifierPusher]: treesize reduction 24, result has 53.8 percent of original size [2021-07-09 22:16:06,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:16:06,308 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-09 22:16:06,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:16:06,337 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-09 22:16:06,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:16:06,366 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:16:06,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:16:06,398 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:16:06,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:16:06,430 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:16:06,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:16:06,464 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.8 percent of original size [2021-07-09 22:16:06,464 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-07-09 22:16:06,510 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:16:06,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:16:06,551 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:16:06,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:16:06,576 INFO L142 QuantifierPusher]: treesize reduction 24, result has 41.5 percent of original size [2021-07-09 22:16:06,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:16:06,606 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:16:06,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:16:06,637 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:16:06,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:16:06,638 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 22:16:06,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:16:06,667 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:16:06,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:16:06,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:06,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:16:06,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:06,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:16:06,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:06,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:16:06,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:06,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:16:06,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:16:06,772 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:16:06,772 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814786000] [2021-07-09 22:16:06,772 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814786000] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:16:06,772 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:16:06,772 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-07-09 22:16:06,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977264260] [2021-07-09 22:16:06,772 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-09 22:16:06,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:16:06,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-09 22:16:06,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1232, Unknown=0, NotChecked=0, Total=1332 [2021-07-09 22:16:06,773 INFO L87 Difference]: Start difference. First operand 609 states and 779 transitions. Second operand has 37 states, 37 states have (on average 3.2432432432432434) internal successors, (120), 37 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:08,363 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 70 [2021-07-09 22:16:08,586 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-09 22:16:08,854 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-07-09 22:16:09,195 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 79 [2021-07-09 22:16:09,437 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 83 [2021-07-09 22:16:09,818 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2021-07-09 22:16:10,086 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2021-07-09 22:16:10,270 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2021-07-09 22:16:10,460 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2021-07-09 22:16:10,620 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2021-07-09 22:16:10,846 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2021-07-09 22:16:11,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:16:11,741 INFO L93 Difference]: Finished difference Result 782 states and 1027 transitions. [2021-07-09 22:16:11,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-09 22:16:11,741 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.2432432432432434) internal successors, (120), 37 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:16:11,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:16:11,742 INFO L225 Difference]: With dead ends: 782 [2021-07-09 22:16:11,742 INFO L226 Difference]: Without dead ends: 670 [2021-07-09 22:16:11,743 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1109 ImplicationChecksByTransitivity, 4850.9ms TimeCoverageRelationStatistics Valid=936, Invalid=4764, Unknown=0, NotChecked=0, Total=5700 [2021-07-09 22:16:11,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2021-07-09 22:16:11,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 608. [2021-07-09 22:16:11,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 607 states have (on average 1.2800658978583197) internal successors, (777), 607 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:11,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 777 transitions. [2021-07-09 22:16:11,749 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 777 transitions. Word has length 120 [2021-07-09 22:16:11,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:16:11,749 INFO L482 AbstractCegarLoop]: Abstraction has 608 states and 777 transitions. [2021-07-09 22:16:11,749 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 3.2432432432432434) internal successors, (120), 37 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:11,749 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 777 transitions. [2021-07-09 22:16:11,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:16:11,750 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:16:11,750 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:16:11,750 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-07-09 22:16:11,751 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:16:11,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:16:11,751 INFO L82 PathProgramCache]: Analyzing trace with hash 501581805, now seen corresponding path program 6 times [2021-07-09 22:16:11,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:16:11,751 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761144792] [2021-07-09 22:16:11,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:16:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:16:11,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:11,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:16:11,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:11,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:16:11,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:11,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:16:11,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:11,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:16:11,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:11,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:16:11,900 INFO L142 QuantifierPusher]: treesize reduction 25, result has 47.9 percent of original size [2021-07-09 22:16:11,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:16:11,912 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.0 percent of original size [2021-07-09 22:16:11,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:16:11,931 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.4 percent of original size [2021-07-09 22:16:11,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-09 22:16:11,972 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-09 22:16:11,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:16:11,994 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-09 22:16:11,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:16:12,015 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-09 22:16:12,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:16:12,035 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:16:12,035 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:16:12,071 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:16:12,071 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:16:12,106 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:16:12,107 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:16:12,156 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:16:12,157 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:16:12,194 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-07-09 22:16:12,195 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.6 percent of original size 43 [2021-07-09 22:16:12,235 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.5 percent of original size [2021-07-09 22:16:12,236 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size 46 [2021-07-09 22:16:12,255 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-09 22:16:12,255 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:16:12,272 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-09 22:16:12,273 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:16:12,309 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.8 percent of original size [2021-07-09 22:16:12,309 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.5 percent of original size 32 [2021-07-09 22:16:12,345 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:16:12,346 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-09 22:16:12,383 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:16:12,383 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:16:12,423 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:16:12,423 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:16:12,466 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:16:12,466 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:16:12,509 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:16:12,509 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:16:12,554 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-07-09 22:16:12,554 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:16:12,599 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:16:12,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:16:12,629 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:16:12,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:16:12,652 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:16:12,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:16:12,679 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:16:12,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:16:12,708 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:16:12,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:16:12,709 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:16:12,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:16:12,737 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:16:12,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:16:12,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:12,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:16:12,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:12,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:16:12,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:12,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:16:12,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:12,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:16:12,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:16:12,836 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:16:12,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761144792] [2021-07-09 22:16:12,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761144792] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:16:12,836 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:16:12,837 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2021-07-09 22:16:12,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825870131] [2021-07-09 22:16:12,837 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-09 22:16:12,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:16:12,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-09 22:16:12,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=974, Unknown=0, NotChecked=0, Total=1056 [2021-07-09 22:16:12,838 INFO L87 Difference]: Start difference. First operand 608 states and 777 transitions. Second operand has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:13,991 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-07-09 22:16:14,207 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-09 22:16:14,463 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2021-07-09 22:16:14,787 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-07-09 22:16:15,322 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-09 22:16:15,494 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-09 22:16:15,673 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-09 22:16:15,838 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2021-07-09 22:16:16,059 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-09 22:16:16,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:16:16,824 INFO L93 Difference]: Finished difference Result 775 states and 1018 transitions. [2021-07-09 22:16:16,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-09 22:16:16,825 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:16:16,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:16:16,826 INFO L225 Difference]: With dead ends: 775 [2021-07-09 22:16:16,826 INFO L226 Difference]: Without dead ends: 650 [2021-07-09 22:16:16,826 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 714 ImplicationChecksByTransitivity, 3935.4ms TimeCoverageRelationStatistics Valid=662, Invalid=3370, Unknown=0, NotChecked=0, Total=4032 [2021-07-09 22:16:16,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2021-07-09 22:16:16,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 595. [2021-07-09 22:16:16,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 594 states have (on average 1.265993265993266) internal successors, (752), 594 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:16,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 752 transitions. [2021-07-09 22:16:16,832 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 752 transitions. Word has length 120 [2021-07-09 22:16:16,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:16:16,832 INFO L482 AbstractCegarLoop]: Abstraction has 595 states and 752 transitions. [2021-07-09 22:16:16,832 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:16,832 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 752 transitions. [2021-07-09 22:16:16,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:16:16,833 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:16:16,833 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:16:16,833 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-07-09 22:16:16,833 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:16:16,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:16:16,833 INFO L82 PathProgramCache]: Analyzing trace with hash 912237823, now seen corresponding path program 7 times [2021-07-09 22:16:16,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:16:16,834 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124487179] [2021-07-09 22:16:16,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:16:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:16:16,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:16,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:16:16,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:16,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:16:16,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:16,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:16:16,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:16,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:16:16,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:16,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:16:17,001 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.0 percent of original size [2021-07-09 22:16:17,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:16:17,020 INFO L142 QuantifierPusher]: treesize reduction 12, result has 77.4 percent of original size [2021-07-09 22:16:17,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:16:17,050 INFO L142 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size [2021-07-09 22:16:17,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:16:17,086 INFO L142 QuantifierPusher]: treesize reduction 12, result has 83.1 percent of original size [2021-07-09 22:16:17,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-09 22:16:17,127 INFO L142 QuantifierPusher]: treesize reduction 18, result has 74.6 percent of original size [2021-07-09 22:16:17,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-09 22:16:17,168 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-09 22:16:17,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-09 22:16:17,234 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-09 22:16:17,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-09 22:16:17,304 INFO L142 QuantifierPusher]: treesize reduction 12, result has 81.0 percent of original size [2021-07-09 22:16:17,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:16:17,345 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-07-09 22:16:17,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:16:17,369 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:16:17,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:16:17,393 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:16:17,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:16:17,417 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-09 22:16:17,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:16:17,453 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-09 22:16:17,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:16:17,491 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-09 22:16:17,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:16:17,531 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-09 22:16:17,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:16:17,569 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.1 percent of original size [2021-07-09 22:16:17,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:16:17,604 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-07-09 22:16:17,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:16:17,629 INFO L142 QuantifierPusher]: treesize reduction 23, result has 58.2 percent of original size [2021-07-09 22:16:17,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:16:17,656 INFO L142 QuantifierPusher]: treesize reduction 23, result has 58.2 percent of original size [2021-07-09 22:16:17,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:16:17,684 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-09 22:16:17,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:16:17,735 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-09 22:16:17,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:16:17,779 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-09 22:16:17,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:16:17,826 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-09 22:16:17,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:16:17,882 INFO L142 QuantifierPusher]: treesize reduction 46, result has 43.9 percent of original size [2021-07-09 22:16:17,883 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size 30 [2021-07-09 22:16:17,925 INFO L142 QuantifierPusher]: treesize reduction 51, result has 37.0 percent of original size [2021-07-09 22:16:17,926 INFO L147 QuantifierPusher]: treesize reduction 6, result has 80.0 percent of original size 24 [2021-07-09 22:16:17,968 INFO L142 QuantifierPusher]: treesize reduction 46, result has 43.9 percent of original size [2021-07-09 22:16:17,969 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size 30 [2021-07-09 22:16:18,014 INFO L142 QuantifierPusher]: treesize reduction 26, result has 43.5 percent of original size [2021-07-09 22:16:18,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:16:18,047 INFO L142 QuantifierPusher]: treesize reduction 18, result has 58.1 percent of original size [2021-07-09 22:16:18,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:16:18,078 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-09 22:16:18,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:16:18,079 INFO L142 QuantifierPusher]: treesize reduction 28, result has 33.3 percent of original size [2021-07-09 22:16:18,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:16:18,112 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-09 22:16:18,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:16:18,145 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-09 22:16:18,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:16:18,182 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-09 22:16:18,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:16:18,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:18,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:16:18,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:18,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:16:18,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:18,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:16:18,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:18,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:16:18,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:16:18,296 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:16:18,296 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124487179] [2021-07-09 22:16:18,296 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124487179] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:16:18,296 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:16:18,296 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-07-09 22:16:18,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858676134] [2021-07-09 22:16:18,297 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-09 22:16:18,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:16:18,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-09 22:16:18,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1374, Unknown=0, NotChecked=0, Total=1482 [2021-07-09 22:16:18,297 INFO L87 Difference]: Start difference. First operand 595 states and 752 transitions. Second operand has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:19,963 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 64 [2021-07-09 22:16:20,129 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2021-07-09 22:16:20,303 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-07-09 22:16:20,490 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-07-09 22:16:20,850 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2021-07-09 22:16:21,072 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 76 [2021-07-09 22:16:21,319 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 80 [2021-07-09 22:16:21,631 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 84 [2021-07-09 22:16:21,909 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 88 [2021-07-09 22:16:22,193 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 90 [2021-07-09 22:16:23,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:16:23,329 INFO L93 Difference]: Finished difference Result 740 states and 964 transitions. [2021-07-09 22:16:23,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 22:16:23,330 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:16:23,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:16:23,331 INFO L225 Difference]: With dead ends: 740 [2021-07-09 22:16:23,331 INFO L226 Difference]: Without dead ends: 629 [2021-07-09 22:16:23,331 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1011 ImplicationChecksByTransitivity, 5234.1ms TimeCoverageRelationStatistics Valid=881, Invalid=4819, Unknown=0, NotChecked=0, Total=5700 [2021-07-09 22:16:23,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2021-07-09 22:16:23,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 600. [2021-07-09 22:16:23,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 599 states have (on average 1.2787979966611018) internal successors, (766), 599 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:23,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 766 transitions. [2021-07-09 22:16:23,337 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 766 transitions. Word has length 120 [2021-07-09 22:16:23,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:16:23,337 INFO L482 AbstractCegarLoop]: Abstraction has 600 states and 766 transitions. [2021-07-09 22:16:23,337 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:23,337 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 766 transitions. [2021-07-09 22:16:23,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:16:23,338 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:16:23,338 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:16:23,338 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-07-09 22:16:23,338 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:16:23,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:16:23,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1260374593, now seen corresponding path program 8 times [2021-07-09 22:16:23,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:16:23,339 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258881254] [2021-07-09 22:16:23,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:16:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:16:23,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:23,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:16:23,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:23,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:16:23,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:23,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:16:23,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:23,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:16:23,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:23,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:16:23,500 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.0 percent of original size [2021-07-09 22:16:23,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:16:23,518 INFO L142 QuantifierPusher]: treesize reduction 12, result has 77.4 percent of original size [2021-07-09 22:16:23,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:16:23,555 INFO L142 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size [2021-07-09 22:16:23,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:16:23,595 INFO L142 QuantifierPusher]: treesize reduction 12, result has 83.1 percent of original size [2021-07-09 22:16:23,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-09 22:16:23,635 INFO L142 QuantifierPusher]: treesize reduction 18, result has 74.6 percent of original size [2021-07-09 22:16:23,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-09 22:16:23,679 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-09 22:16:23,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-09 22:16:23,734 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-09 22:16:23,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-09 22:16:23,786 INFO L142 QuantifierPusher]: treesize reduction 12, result has 81.0 percent of original size [2021-07-09 22:16:23,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:16:23,826 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-07-09 22:16:23,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:16:23,848 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:16:23,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:16:23,871 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:16:23,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:16:23,896 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-09 22:16:23,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:16:23,930 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-09 22:16:23,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:16:23,974 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-09 22:16:23,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:16:24,011 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-09 22:16:24,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:16:24,050 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.1 percent of original size [2021-07-09 22:16:24,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:16:24,083 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-07-09 22:16:24,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:16:24,107 INFO L142 QuantifierPusher]: treesize reduction 23, result has 58.2 percent of original size [2021-07-09 22:16:24,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:16:24,134 INFO L142 QuantifierPusher]: treesize reduction 23, result has 58.2 percent of original size [2021-07-09 22:16:24,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:16:24,162 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-09 22:16:24,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:16:24,213 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-09 22:16:24,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:16:24,261 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-09 22:16:24,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:16:24,308 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-09 22:16:24,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:16:24,369 INFO L142 QuantifierPusher]: treesize reduction 28, result has 56.3 percent of original size [2021-07-09 22:16:24,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:16:24,424 INFO L142 QuantifierPusher]: treesize reduction 51, result has 37.0 percent of original size [2021-07-09 22:16:24,425 INFO L147 QuantifierPusher]: treesize reduction 6, result has 80.0 percent of original size 24 [2021-07-09 22:16:24,467 INFO L142 QuantifierPusher]: treesize reduction 46, result has 43.9 percent of original size [2021-07-09 22:16:24,468 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size 30 [2021-07-09 22:16:24,512 INFO L142 QuantifierPusher]: treesize reduction 26, result has 43.5 percent of original size [2021-07-09 22:16:24,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:16:24,544 INFO L142 QuantifierPusher]: treesize reduction 18, result has 58.1 percent of original size [2021-07-09 22:16:24,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:16:24,574 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-09 22:16:24,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:16:24,575 INFO L142 QuantifierPusher]: treesize reduction 28, result has 33.3 percent of original size [2021-07-09 22:16:24,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:16:24,605 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-09 22:16:24,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:16:24,638 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-09 22:16:24,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:16:24,671 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-09 22:16:24,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:16:24,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:24,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:16:24,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:24,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:16:24,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:24,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:16:24,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:24,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:16:24,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:16:24,784 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:16:24,784 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258881254] [2021-07-09 22:16:24,784 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258881254] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:16:24,784 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:16:24,784 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-07-09 22:16:24,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208467145] [2021-07-09 22:16:24,784 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-09 22:16:24,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:16:24,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-09 22:16:24,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1374, Unknown=0, NotChecked=0, Total=1482 [2021-07-09 22:16:24,785 INFO L87 Difference]: Start difference. First operand 600 states and 766 transitions. Second operand has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:26,592 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2021-07-09 22:16:26,759 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-07-09 22:16:26,952 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-07-09 22:16:27,309 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2021-07-09 22:16:27,537 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 76 [2021-07-09 22:16:27,783 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 80 [2021-07-09 22:16:28,107 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 84 [2021-07-09 22:16:28,378 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 86 [2021-07-09 22:16:28,645 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 90 [2021-07-09 22:16:30,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:16:30,021 INFO L93 Difference]: Finished difference Result 743 states and 967 transitions. [2021-07-09 22:16:30,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-09 22:16:30,021 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:16:30,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:16:30,022 INFO L225 Difference]: With dead ends: 743 [2021-07-09 22:16:30,023 INFO L226 Difference]: Without dead ends: 632 [2021-07-09 22:16:30,023 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1087 ImplicationChecksByTransitivity, 5396.6ms TimeCoverageRelationStatistics Valid=919, Invalid=5087, Unknown=0, NotChecked=0, Total=6006 [2021-07-09 22:16:30,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2021-07-09 22:16:30,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 601. [2021-07-09 22:16:30,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 600 states have (on average 1.2766666666666666) internal successors, (766), 600 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:30,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 766 transitions. [2021-07-09 22:16:30,029 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 766 transitions. Word has length 120 [2021-07-09 22:16:30,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:16:30,029 INFO L482 AbstractCegarLoop]: Abstraction has 601 states and 766 transitions. [2021-07-09 22:16:30,029 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:30,029 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 766 transitions. [2021-07-09 22:16:30,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:16:30,030 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:16:30,030 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:16:30,031 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-07-09 22:16:30,031 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:16:30,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:16:30,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1131239521, now seen corresponding path program 9 times [2021-07-09 22:16:30,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:16:30,031 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493616402] [2021-07-09 22:16:30,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:16:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:16:30,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:30,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:16:30,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:30,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:16:30,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:30,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:16:30,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:30,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:16:30,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:30,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:16:30,209 INFO L142 QuantifierPusher]: treesize reduction 20, result has 62.3 percent of original size [2021-07-09 22:16:30,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:16:30,228 INFO L142 QuantifierPusher]: treesize reduction 20, result has 69.7 percent of original size [2021-07-09 22:16:30,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:16:30,260 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.0 percent of original size [2021-07-09 22:16:30,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-09 22:16:30,299 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-09 22:16:30,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-09 22:16:30,344 INFO L142 QuantifierPusher]: treesize reduction 26, result has 69.0 percent of original size [2021-07-09 22:16:30,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-09 22:16:30,390 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-09 22:16:30,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-09 22:16:30,455 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-09 22:16:30,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-09 22:16:30,523 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.3 percent of original size [2021-07-09 22:16:30,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:16:30,570 INFO L142 QuantifierPusher]: treesize reduction 20, result has 60.8 percent of original size [2021-07-09 22:16:30,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:16:30,610 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-07-09 22:16:30,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:16:30,633 INFO L142 QuantifierPusher]: treesize reduction 20, result has 57.4 percent of original size [2021-07-09 22:16:30,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:16:30,654 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:16:30,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:16:30,686 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:16:30,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:16:30,719 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:16:30,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:16:30,761 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:16:30,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:16:30,797 INFO L142 QuantifierPusher]: treesize reduction 24, result has 62.5 percent of original size [2021-07-09 22:16:30,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:16:30,829 INFO L142 QuantifierPusher]: treesize reduction 24, result has 64.2 percent of original size [2021-07-09 22:16:30,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:16:30,850 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-09 22:16:30,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:16:30,876 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-09 22:16:30,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:16:30,901 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-09 22:16:30,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:16:30,928 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-09 22:16:30,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:16:30,957 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-09 22:16:30,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:16:30,986 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-09 22:16:30,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:16:31,018 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-09 22:16:31,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:16:31,049 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-09 22:16:31,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:16:31,082 INFO L142 QuantifierPusher]: treesize reduction 47, result has 44.0 percent of original size [2021-07-09 22:16:31,083 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size 31 [2021-07-09 22:16:31,127 INFO L142 QuantifierPusher]: treesize reduction 19, result has 56.8 percent of original size [2021-07-09 22:16:31,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:16:31,161 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-09 22:16:31,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:16:31,187 INFO L142 QuantifierPusher]: treesize reduction 29, result has 32.6 percent of original size [2021-07-09 22:16:31,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:16:31,221 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-09 22:16:31,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:16:31,254 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-09 22:16:31,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:16:31,265 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-09 22:16:31,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:16:31,295 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-09 22:16:31,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:16:31,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:31,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:16:31,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:31,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:16:31,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:31,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:16:31,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:31,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:16:31,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:16:31,405 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:16:31,405 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493616402] [2021-07-09 22:16:31,405 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493616402] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:16:31,405 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:16:31,405 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-07-09 22:16:31,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834836182] [2021-07-09 22:16:31,405 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-09 22:16:31,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:16:31,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-09 22:16:31,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1366, Unknown=0, NotChecked=0, Total=1482 [2021-07-09 22:16:31,406 INFO L87 Difference]: Start difference. First operand 601 states and 766 transitions. Second operand has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:33,024 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2021-07-09 22:16:33,183 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2021-07-09 22:16:33,365 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-07-09 22:16:33,705 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2021-07-09 22:16:33,921 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2021-07-09 22:16:34,170 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 80 [2021-07-09 22:16:34,502 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 84 [2021-07-09 22:16:34,762 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 86 [2021-07-09 22:16:35,153 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2021-07-09 22:16:36,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:16:36,175 INFO L93 Difference]: Finished difference Result 737 states and 958 transitions. [2021-07-09 22:16:36,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-09 22:16:36,176 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:16:36,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:16:36,177 INFO L225 Difference]: With dead ends: 737 [2021-07-09 22:16:36,177 INFO L226 Difference]: Without dead ends: 627 [2021-07-09 22:16:36,177 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1081 ImplicationChecksByTransitivity, 4832.4ms TimeCoverageRelationStatistics Valid=876, Invalid=4674, Unknown=0, NotChecked=0, Total=5550 [2021-07-09 22:16:36,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2021-07-09 22:16:36,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 599. [2021-07-09 22:16:36,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 598 states have (on average 1.2759197324414715) internal successors, (763), 598 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:36,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 763 transitions. [2021-07-09 22:16:36,182 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 763 transitions. Word has length 120 [2021-07-09 22:16:36,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:16:36,183 INFO L482 AbstractCegarLoop]: Abstraction has 599 states and 763 transitions. [2021-07-09 22:16:36,183 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:36,183 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 763 transitions. [2021-07-09 22:16:36,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:16:36,184 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:16:36,184 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:16:36,184 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-07-09 22:16:36,184 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:16:36,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:16:36,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1845264129, now seen corresponding path program 10 times [2021-07-09 22:16:36,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:16:36,184 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726481391] [2021-07-09 22:16:36,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:16:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:16:36,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:36,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:16:36,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:36,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:16:36,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:36,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:16:36,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:36,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:16:36,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:36,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:16:36,561 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.0 percent of original size [2021-07-09 22:16:36,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:16:36,582 INFO L142 QuantifierPusher]: treesize reduction 12, result has 77.4 percent of original size [2021-07-09 22:16:36,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:16:36,637 INFO L142 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size [2021-07-09 22:16:36,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:16:36,675 INFO L142 QuantifierPusher]: treesize reduction 12, result has 83.1 percent of original size [2021-07-09 22:16:36,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-09 22:16:36,734 INFO L142 QuantifierPusher]: treesize reduction 18, result has 74.6 percent of original size [2021-07-09 22:16:36,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-09 22:16:36,793 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-09 22:16:36,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-09 22:16:36,849 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-09 22:16:36,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-09 22:16:36,914 INFO L142 QuantifierPusher]: treesize reduction 12, result has 81.0 percent of original size [2021-07-09 22:16:36,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:16:36,958 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-07-09 22:16:36,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:16:36,982 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:16:36,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:16:37,005 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:16:37,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:16:37,027 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-09 22:16:37,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:16:37,061 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-09 22:16:37,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:16:37,106 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-09 22:16:37,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:16:37,143 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-09 22:16:37,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:16:37,192 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.1 percent of original size [2021-07-09 22:16:37,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:16:37,225 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-07-09 22:16:37,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:16:37,249 INFO L142 QuantifierPusher]: treesize reduction 23, result has 58.2 percent of original size [2021-07-09 22:16:37,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:16:37,276 INFO L142 QuantifierPusher]: treesize reduction 23, result has 58.2 percent of original size [2021-07-09 22:16:37,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:16:37,304 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-09 22:16:37,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:16:37,355 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-09 22:16:37,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:16:37,405 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-09 22:16:37,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:16:37,449 INFO L142 QuantifierPusher]: treesize reduction 28, result has 56.3 percent of original size [2021-07-09 22:16:37,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:16:37,494 INFO L142 QuantifierPusher]: treesize reduction 28, result has 56.3 percent of original size [2021-07-09 22:16:37,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:16:37,551 INFO L142 QuantifierPusher]: treesize reduction 51, result has 37.0 percent of original size [2021-07-09 22:16:37,551 INFO L147 QuantifierPusher]: treesize reduction 6, result has 80.0 percent of original size 24 [2021-07-09 22:16:37,594 INFO L142 QuantifierPusher]: treesize reduction 46, result has 43.9 percent of original size [2021-07-09 22:16:37,594 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size 30 [2021-07-09 22:16:37,639 INFO L142 QuantifierPusher]: treesize reduction 26, result has 43.5 percent of original size [2021-07-09 22:16:37,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:16:37,671 INFO L142 QuantifierPusher]: treesize reduction 18, result has 58.1 percent of original size [2021-07-09 22:16:37,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:16:37,701 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-09 22:16:37,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:16:37,701 INFO L142 QuantifierPusher]: treesize reduction 28, result has 33.3 percent of original size [2021-07-09 22:16:37,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:16:37,732 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-09 22:16:37,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:16:37,765 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-09 22:16:37,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:16:37,796 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-09 22:16:37,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:16:37,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:37,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:16:37,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:37,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:16:37,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:37,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:16:37,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:37,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:16:37,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:16:37,915 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:16:37,915 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726481391] [2021-07-09 22:16:37,915 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726481391] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:16:37,915 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:16:37,915 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-07-09 22:16:37,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112941574] [2021-07-09 22:16:37,916 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-09 22:16:37,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:16:37,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-09 22:16:37,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1374, Unknown=0, NotChecked=0, Total=1482 [2021-07-09 22:16:37,916 INFO L87 Difference]: Start difference. First operand 599 states and 763 transitions. Second operand has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:39,765 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2021-07-09 22:16:39,927 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-07-09 22:16:40,119 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-07-09 22:16:40,484 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2021-07-09 22:16:40,713 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 76 [2021-07-09 22:16:40,966 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 80 [2021-07-09 22:16:41,257 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-07-09 22:16:41,649 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 86 [2021-07-09 22:16:41,920 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 90 [2021-07-09 22:16:42,213 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-09 22:16:43,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:16:43,464 INFO L93 Difference]: Finished difference Result 747 states and 971 transitions. [2021-07-09 22:16:43,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-09 22:16:43,465 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:16:43,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:16:43,466 INFO L225 Difference]: With dead ends: 747 [2021-07-09 22:16:43,466 INFO L226 Difference]: Without dead ends: 633 [2021-07-09 22:16:43,467 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1124 ImplicationChecksByTransitivity, 5675.2ms TimeCoverageRelationStatistics Valid=943, Invalid=5219, Unknown=0, NotChecked=0, Total=6162 [2021-07-09 22:16:43,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2021-07-09 22:16:43,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 602. [2021-07-09 22:16:43,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 601 states have (on average 1.2745424292845258) internal successors, (766), 601 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:43,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 766 transitions. [2021-07-09 22:16:43,472 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 766 transitions. Word has length 120 [2021-07-09 22:16:43,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:16:43,472 INFO L482 AbstractCegarLoop]: Abstraction has 602 states and 766 transitions. [2021-07-09 22:16:43,472 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:43,472 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 766 transitions. [2021-07-09 22:16:43,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:16:43,473 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:16:43,473 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:16:43,473 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-07-09 22:16:43,474 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:16:43,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:16:43,474 INFO L82 PathProgramCache]: Analyzing trace with hash -1254295515, now seen corresponding path program 11 times [2021-07-09 22:16:43,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:16:43,474 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452359780] [2021-07-09 22:16:43,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:16:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:16:43,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:43,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:16:43,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:43,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:16:43,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:43,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:16:43,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:43,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:16:43,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:43,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:16:43,653 INFO L142 QuantifierPusher]: treesize reduction 20, result has 62.3 percent of original size [2021-07-09 22:16:43,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:16:43,675 INFO L142 QuantifierPusher]: treesize reduction 20, result has 69.7 percent of original size [2021-07-09 22:16:43,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:16:43,711 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.0 percent of original size [2021-07-09 22:16:43,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-09 22:16:43,753 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-09 22:16:43,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-09 22:16:43,800 INFO L142 QuantifierPusher]: treesize reduction 26, result has 69.0 percent of original size [2021-07-09 22:16:43,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-09 22:16:43,847 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-09 22:16:43,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-09 22:16:43,913 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-09 22:16:43,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-09 22:16:43,981 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.3 percent of original size [2021-07-09 22:16:43,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:16:44,027 INFO L142 QuantifierPusher]: treesize reduction 20, result has 60.8 percent of original size [2021-07-09 22:16:44,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:16:44,049 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-07-09 22:16:44,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:16:44,072 INFO L142 QuantifierPusher]: treesize reduction 20, result has 57.4 percent of original size [2021-07-09 22:16:44,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:16:44,095 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:16:44,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:16:44,129 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:16:44,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:16:44,164 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:16:44,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:16:44,201 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:16:44,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:16:44,239 INFO L142 QuantifierPusher]: treesize reduction 24, result has 62.5 percent of original size [2021-07-09 22:16:44,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:16:44,272 INFO L142 QuantifierPusher]: treesize reduction 24, result has 64.2 percent of original size [2021-07-09 22:16:44,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:16:44,295 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-09 22:16:44,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:16:44,321 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-09 22:16:44,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:16:44,348 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-09 22:16:44,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:16:44,377 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-09 22:16:44,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:16:44,407 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-09 22:16:44,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:16:44,439 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-09 22:16:44,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:16:44,471 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-09 22:16:44,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:16:44,503 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-09 22:16:44,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:16:44,549 INFO L142 QuantifierPusher]: treesize reduction 47, result has 44.0 percent of original size [2021-07-09 22:16:44,549 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size 31 [2021-07-09 22:16:44,601 INFO L142 QuantifierPusher]: treesize reduction 19, result has 56.8 percent of original size [2021-07-09 22:16:44,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:16:44,634 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-09 22:16:44,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:16:44,660 INFO L142 QuantifierPusher]: treesize reduction 29, result has 32.6 percent of original size [2021-07-09 22:16:44,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:16:44,689 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-09 22:16:44,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:16:44,720 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-09 22:16:44,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:16:44,721 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-09 22:16:44,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:16:44,750 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-09 22:16:44,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:16:44,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:44,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:16:44,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:44,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:16:44,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:44,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:16:44,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:44,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:16:44,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:16:44,856 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:16:44,856 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452359780] [2021-07-09 22:16:44,856 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452359780] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:16:44,856 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:16:44,856 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-07-09 22:16:44,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049774955] [2021-07-09 22:16:44,856 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-09 22:16:44,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:16:44,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-09 22:16:44,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1366, Unknown=0, NotChecked=0, Total=1482 [2021-07-09 22:16:44,857 INFO L87 Difference]: Start difference. First operand 602 states and 766 transitions. Second operand has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:46,471 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2021-07-09 22:16:46,627 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2021-07-09 22:16:46,806 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-07-09 22:16:47,154 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2021-07-09 22:16:47,371 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2021-07-09 22:16:47,604 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 80 [2021-07-09 22:16:47,862 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-09 22:16:48,238 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 86 [2021-07-09 22:16:48,644 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2021-07-09 22:16:48,966 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2021-07-09 22:16:49,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:16:49,749 INFO L93 Difference]: Finished difference Result 741 states and 962 transitions. [2021-07-09 22:16:49,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-09 22:16:49,749 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:16:49,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:16:49,750 INFO L225 Difference]: With dead ends: 741 [2021-07-09 22:16:49,750 INFO L226 Difference]: Without dead ends: 632 [2021-07-09 22:16:49,751 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1155 ImplicationChecksByTransitivity, 4960.0ms TimeCoverageRelationStatistics Valid=917, Invalid=4935, Unknown=0, NotChecked=0, Total=5852 [2021-07-09 22:16:49,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2021-07-09 22:16:49,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 601. [2021-07-09 22:16:49,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 600 states have (on average 1.2733333333333334) internal successors, (764), 600 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:49,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 764 transitions. [2021-07-09 22:16:49,756 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 764 transitions. Word has length 120 [2021-07-09 22:16:49,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:16:49,756 INFO L482 AbstractCegarLoop]: Abstraction has 601 states and 764 transitions. [2021-07-09 22:16:49,756 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:49,756 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 764 transitions. [2021-07-09 22:16:49,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:16:49,757 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:16:49,757 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:16:49,757 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-07-09 22:16:49,757 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:16:49,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:16:49,758 INFO L82 PathProgramCache]: Analyzing trace with hash -813664131, now seen corresponding path program 12 times [2021-07-09 22:16:49,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:16:49,758 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162856558] [2021-07-09 22:16:49,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:16:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:16:49,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:49,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:16:49,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:49,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:16:49,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:49,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:16:49,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:49,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:16:49,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:49,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:16:49,919 INFO L142 QuantifierPusher]: treesize reduction 25, result has 51.9 percent of original size [2021-07-09 22:16:49,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:16:49,934 INFO L142 QuantifierPusher]: treesize reduction 25, result has 61.5 percent of original size [2021-07-09 22:16:49,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:16:49,957 INFO L142 QuantifierPusher]: treesize reduction 21, result has 72.0 percent of original size [2021-07-09 22:16:49,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-07-09 22:16:50,002 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-09 22:16:50,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:16:50,022 INFO L142 QuantifierPusher]: treesize reduction 12, result has 77.8 percent of original size [2021-07-09 22:16:50,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:16:50,042 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-09 22:16:50,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:16:50,061 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-09 22:16:50,061 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-09 22:16:50,097 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-09 22:16:50,098 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-09 22:16:50,135 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-09 22:16:50,135 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-09 22:16:50,174 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-09 22:16:50,175 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-09 22:16:50,214 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.8 percent of original size [2021-07-09 22:16:50,214 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.4 percent of original size 47 [2021-07-09 22:16:50,258 INFO L142 QuantifierPusher]: treesize reduction 14, result has 79.7 percent of original size [2021-07-09 22:16:50,258 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.9 percent of original size 50 [2021-07-09 22:16:50,277 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-09 22:16:50,277 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:16:50,313 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-09 22:16:50,314 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:16:50,351 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:16:50,352 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:16:50,390 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:16:50,391 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:16:50,432 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:16:50,433 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:16:50,489 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:16:50,490 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-09 22:16:50,529 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:16:50,529 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:16:50,571 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:16:50,571 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:16:50,616 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-07-09 22:16:50,617 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:16:50,661 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-07-09 22:16:50,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:16:50,692 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-07-09 22:16:50,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:16:50,714 INFO L142 QuantifierPusher]: treesize reduction 16, result has 56.8 percent of original size [2021-07-09 22:16:50,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:16:50,741 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-07-09 22:16:50,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:16:50,771 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:16:50,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:16:50,801 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:16:50,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:16:50,802 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:16:50,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:16:50,829 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:16:50,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:16:50,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:50,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:16:50,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:50,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:16:50,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:50,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:16:50,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:50,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:16:50,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:16:50,924 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:16:50,924 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162856558] [2021-07-09 22:16:50,924 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162856558] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:16:50,924 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:16:50,924 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:16:50,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18009719] [2021-07-09 22:16:50,925 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:16:50,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:16:50,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:16:50,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1096, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:16:50,925 INFO L87 Difference]: Start difference. First operand 601 states and 764 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:52,054 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-07-09 22:16:52,271 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-09 22:16:52,620 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-09 22:16:52,834 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-09 22:16:53,083 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 82 [2021-07-09 22:16:53,353 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-07-09 22:16:53,777 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2021-07-09 22:16:53,903 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-07-09 22:16:54,098 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2021-07-09 22:16:54,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:16:54,858 INFO L93 Difference]: Finished difference Result 737 states and 956 transitions. [2021-07-09 22:16:54,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-09 22:16:54,858 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:16:54,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:16:54,859 INFO L225 Difference]: With dead ends: 737 [2021-07-09 22:16:54,859 INFO L226 Difference]: Without dead ends: 623 [2021-07-09 22:16:54,860 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 750 ImplicationChecksByTransitivity, 3960.2ms TimeCoverageRelationStatistics Valid=682, Invalid=3478, Unknown=0, NotChecked=0, Total=4160 [2021-07-09 22:16:54,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2021-07-09 22:16:54,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 597. [2021-07-09 22:16:54,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 596 states have (on average 1.2701342281879195) internal successors, (757), 596 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:54,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 757 transitions. [2021-07-09 22:16:54,875 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 757 transitions. Word has length 120 [2021-07-09 22:16:54,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:16:54,875 INFO L482 AbstractCegarLoop]: Abstraction has 597 states and 757 transitions. [2021-07-09 22:16:54,875 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:54,875 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 757 transitions. [2021-07-09 22:16:54,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:16:54,876 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:16:54,876 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:16:54,876 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-07-09 22:16:54,876 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:16:54,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:16:54,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1510904577, now seen corresponding path program 13 times [2021-07-09 22:16:54,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:16:54,877 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324596109] [2021-07-09 22:16:54,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:16:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:16:55,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:55,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:16:55,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:55,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:16:55,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:55,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:16:55,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:55,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:16:55,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:55,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:16:55,034 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.0 percent of original size [2021-07-09 22:16:55,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:16:55,051 INFO L142 QuantifierPusher]: treesize reduction 12, result has 77.4 percent of original size [2021-07-09 22:16:55,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:16:55,081 INFO L142 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size [2021-07-09 22:16:55,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:16:55,120 INFO L142 QuantifierPusher]: treesize reduction 12, result has 83.1 percent of original size [2021-07-09 22:16:55,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-09 22:16:55,162 INFO L142 QuantifierPusher]: treesize reduction 18, result has 74.6 percent of original size [2021-07-09 22:16:55,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-09 22:16:55,205 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-09 22:16:55,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-09 22:16:55,260 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-09 22:16:55,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-09 22:16:55,315 INFO L142 QuantifierPusher]: treesize reduction 12, result has 81.0 percent of original size [2021-07-09 22:16:55,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:16:55,356 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-07-09 22:16:55,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:16:55,379 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:16:55,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:16:55,403 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:16:55,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:16:55,426 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-09 22:16:55,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:16:55,469 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-09 22:16:55,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:16:55,515 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-09 22:16:55,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:16:55,552 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-09 22:16:55,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:16:55,590 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.1 percent of original size [2021-07-09 22:16:55,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:16:55,622 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-07-09 22:16:55,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:16:55,646 INFO L142 QuantifierPusher]: treesize reduction 23, result has 58.2 percent of original size [2021-07-09 22:16:55,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:16:55,672 INFO L142 QuantifierPusher]: treesize reduction 23, result has 58.2 percent of original size [2021-07-09 22:16:55,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:16:55,700 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-09 22:16:55,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:16:55,750 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-09 22:16:55,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:16:55,795 INFO L142 QuantifierPusher]: treesize reduction 28, result has 56.3 percent of original size [2021-07-09 22:16:55,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:16:55,837 INFO L142 QuantifierPusher]: treesize reduction 28, result has 56.3 percent of original size [2021-07-09 22:16:55,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:16:55,880 INFO L142 QuantifierPusher]: treesize reduction 28, result has 56.3 percent of original size [2021-07-09 22:16:55,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:16:55,934 INFO L142 QuantifierPusher]: treesize reduction 51, result has 37.0 percent of original size [2021-07-09 22:16:55,934 INFO L147 QuantifierPusher]: treesize reduction 6, result has 80.0 percent of original size 24 [2021-07-09 22:16:55,975 INFO L142 QuantifierPusher]: treesize reduction 46, result has 43.9 percent of original size [2021-07-09 22:16:55,976 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size 30 [2021-07-09 22:16:56,020 INFO L142 QuantifierPusher]: treesize reduction 26, result has 43.5 percent of original size [2021-07-09 22:16:56,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:16:56,051 INFO L142 QuantifierPusher]: treesize reduction 18, result has 58.1 percent of original size [2021-07-09 22:16:56,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:16:56,079 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-09 22:16:56,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:16:56,093 INFO L142 QuantifierPusher]: treesize reduction 28, result has 33.3 percent of original size [2021-07-09 22:16:56,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:16:56,124 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-09 22:16:56,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:16:56,158 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-09 22:16:56,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:16:56,190 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-09 22:16:56,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:16:56,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:56,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:16:56,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:56,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:16:56,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:56,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:16:56,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:16:56,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:16:56,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:16:56,307 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:16:56,307 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324596109] [2021-07-09 22:16:56,307 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324596109] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:16:56,307 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:16:56,307 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-07-09 22:16:56,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606673194] [2021-07-09 22:16:56,307 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-09 22:16:56,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:16:56,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-09 22:16:56,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1374, Unknown=0, NotChecked=0, Total=1482 [2021-07-09 22:16:56,308 INFO L87 Difference]: Start difference. First operand 597 states and 757 transitions. Second operand has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:16:58,081 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2021-07-09 22:16:58,244 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-07-09 22:16:58,428 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-07-09 22:16:58,771 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2021-07-09 22:16:58,982 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 76 [2021-07-09 22:16:59,219 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 78 [2021-07-09 22:16:59,464 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-07-09 22:16:59,972 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 86 [2021-07-09 22:17:00,240 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 90 [2021-07-09 22:17:00,546 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-09 22:17:00,701 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2021-07-09 22:17:01,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:17:01,724 INFO L93 Difference]: Finished difference Result 746 states and 967 transitions. [2021-07-09 22:17:01,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-09 22:17:01,725 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:17:01,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:17:01,725 INFO L225 Difference]: With dead ends: 746 [2021-07-09 22:17:01,725 INFO L226 Difference]: Without dead ends: 632 [2021-07-09 22:17:01,726 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1162 ImplicationChecksByTransitivity, 5665.4ms TimeCoverageRelationStatistics Valid=970, Invalid=5350, Unknown=0, NotChecked=0, Total=6320 [2021-07-09 22:17:01,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2021-07-09 22:17:01,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 601. [2021-07-09 22:17:01,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 600 states have (on average 1.2716666666666667) internal successors, (763), 600 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:01,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 763 transitions. [2021-07-09 22:17:01,731 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 763 transitions. Word has length 120 [2021-07-09 22:17:01,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:17:01,731 INFO L482 AbstractCegarLoop]: Abstraction has 601 states and 763 transitions. [2021-07-09 22:17:01,731 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:01,731 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 763 transitions. [2021-07-09 22:17:01,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:17:01,732 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:17:01,732 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:17:01,732 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-07-09 22:17:01,732 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:17:01,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:17:01,733 INFO L82 PathProgramCache]: Analyzing trace with hash 2142403783, now seen corresponding path program 14 times [2021-07-09 22:17:01,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:17:01,733 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329698735] [2021-07-09 22:17:01,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:17:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:17:01,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:01,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:17:01,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:01,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:17:01,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:01,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:17:01,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:01,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:17:01,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:01,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:17:01,890 INFO L142 QuantifierPusher]: treesize reduction 20, result has 62.3 percent of original size [2021-07-09 22:17:01,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:17:01,911 INFO L142 QuantifierPusher]: treesize reduction 20, result has 69.7 percent of original size [2021-07-09 22:17:01,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:17:01,949 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.0 percent of original size [2021-07-09 22:17:01,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-09 22:17:01,992 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-09 22:17:01,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-09 22:17:02,048 INFO L142 QuantifierPusher]: treesize reduction 26, result has 69.0 percent of original size [2021-07-09 22:17:02,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-09 22:17:02,099 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-09 22:17:02,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-09 22:17:02,162 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-09 22:17:02,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-09 22:17:02,227 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.3 percent of original size [2021-07-09 22:17:02,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:17:02,270 INFO L142 QuantifierPusher]: treesize reduction 20, result has 60.8 percent of original size [2021-07-09 22:17:02,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:17:02,291 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-07-09 22:17:02,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:17:02,316 INFO L142 QuantifierPusher]: treesize reduction 20, result has 57.4 percent of original size [2021-07-09 22:17:02,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:17:02,337 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:17:02,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:17:02,369 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:17:02,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:17:02,402 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:17:02,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:17:02,436 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:17:02,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:17:02,471 INFO L142 QuantifierPusher]: treesize reduction 24, result has 62.5 percent of original size [2021-07-09 22:17:02,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:17:02,501 INFO L142 QuantifierPusher]: treesize reduction 24, result has 64.2 percent of original size [2021-07-09 22:17:02,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:17:02,522 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-09 22:17:02,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:17:02,547 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-09 22:17:02,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:17:02,573 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-09 22:17:02,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:17:02,599 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-09 22:17:02,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:17:02,627 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-09 22:17:02,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:17:02,656 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-09 22:17:02,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:17:02,685 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-09 22:17:02,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:17:02,715 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-09 22:17:02,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:17:02,754 INFO L142 QuantifierPusher]: treesize reduction 47, result has 44.0 percent of original size [2021-07-09 22:17:02,754 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size 31 [2021-07-09 22:17:02,798 INFO L142 QuantifierPusher]: treesize reduction 19, result has 56.8 percent of original size [2021-07-09 22:17:02,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:17:02,830 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-09 22:17:02,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:17:02,858 INFO L142 QuantifierPusher]: treesize reduction 29, result has 32.6 percent of original size [2021-07-09 22:17:02,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:17:02,886 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-09 22:17:02,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:17:02,918 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-09 22:17:02,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:17:02,919 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-09 22:17:02,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:17:02,952 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-09 22:17:02,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:17:02,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:02,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:17:03,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:03,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:17:03,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:03,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:17:03,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:03,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:17:03,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:17:03,066 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:17:03,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329698735] [2021-07-09 22:17:03,066 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329698735] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:17:03,066 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:17:03,066 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-07-09 22:17:03,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067257367] [2021-07-09 22:17:03,066 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-09 22:17:03,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:17:03,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-09 22:17:03,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1366, Unknown=0, NotChecked=0, Total=1482 [2021-07-09 22:17:03,067 INFO L87 Difference]: Start difference. First operand 601 states and 763 transitions. Second operand has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:04,729 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2021-07-09 22:17:04,887 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2021-07-09 22:17:05,066 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-07-09 22:17:05,419 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2021-07-09 22:17:05,632 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2021-07-09 22:17:05,854 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-09 22:17:06,099 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-09 22:17:06,588 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 86 [2021-07-09 22:17:06,741 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2021-07-09 22:17:07,039 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2021-07-09 22:17:08,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:17:08,149 INFO L93 Difference]: Finished difference Result 740 states and 959 transitions. [2021-07-09 22:17:08,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-09 22:17:08,149 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:17:08,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:17:08,150 INFO L225 Difference]: With dead ends: 740 [2021-07-09 22:17:08,150 INFO L226 Difference]: Without dead ends: 631 [2021-07-09 22:17:08,151 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1192 ImplicationChecksByTransitivity, 5070.1ms TimeCoverageRelationStatistics Valid=943, Invalid=5063, Unknown=0, NotChecked=0, Total=6006 [2021-07-09 22:17:08,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2021-07-09 22:17:08,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 600. [2021-07-09 22:17:08,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 599 states have (on average 1.2704507512520868) internal successors, (761), 599 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:08,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 761 transitions. [2021-07-09 22:17:08,156 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 761 transitions. Word has length 120 [2021-07-09 22:17:08,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:17:08,156 INFO L482 AbstractCegarLoop]: Abstraction has 600 states and 761 transitions. [2021-07-09 22:17:08,156 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:08,156 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 761 transitions. [2021-07-09 22:17:08,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:17:08,157 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:17:08,157 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:17:08,158 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-07-09 22:17:08,158 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:17:08,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:17:08,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1711932129, now seen corresponding path program 15 times [2021-07-09 22:17:08,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:17:08,158 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640469041] [2021-07-09 22:17:08,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:17:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:17:08,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:08,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:17:08,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:08,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:17:08,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:08,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:17:08,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:08,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:17:08,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:08,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:17:08,324 INFO L142 QuantifierPusher]: treesize reduction 25, result has 51.9 percent of original size [2021-07-09 22:17:08,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:17:08,337 INFO L142 QuantifierPusher]: treesize reduction 25, result has 61.5 percent of original size [2021-07-09 22:17:08,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:17:08,356 INFO L142 QuantifierPusher]: treesize reduction 21, result has 72.0 percent of original size [2021-07-09 22:17:08,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-07-09 22:17:08,401 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-09 22:17:08,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:17:08,419 INFO L142 QuantifierPusher]: treesize reduction 12, result has 77.8 percent of original size [2021-07-09 22:17:08,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:17:08,444 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-09 22:17:08,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:17:08,464 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-09 22:17:08,465 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-09 22:17:08,501 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-09 22:17:08,501 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-09 22:17:08,536 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-09 22:17:08,537 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-09 22:17:08,574 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-09 22:17:08,574 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-09 22:17:08,612 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.8 percent of original size [2021-07-09 22:17:08,612 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.4 percent of original size 47 [2021-07-09 22:17:08,653 INFO L142 QuantifierPusher]: treesize reduction 14, result has 79.7 percent of original size [2021-07-09 22:17:08,653 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.9 percent of original size 50 [2021-07-09 22:17:08,670 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-09 22:17:08,671 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:17:08,704 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-09 22:17:08,704 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:17:08,739 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:17:08,739 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:17:08,775 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:17:08,776 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:17:08,813 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:17:08,814 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-09 22:17:08,872 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:17:08,873 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-09 22:17:08,912 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:17:08,913 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:17:08,954 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:17:08,954 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:17:08,999 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-07-09 22:17:09,000 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:17:09,045 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-07-09 22:17:09,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:17:09,075 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-07-09 22:17:09,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:17:09,097 INFO L142 QuantifierPusher]: treesize reduction 16, result has 56.8 percent of original size [2021-07-09 22:17:09,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:17:09,125 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-07-09 22:17:09,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:17:09,155 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:17:09,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:17:09,185 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:17:09,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:17:09,186 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:17:09,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:17:09,213 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:17:09,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:17:09,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:09,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:17:09,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:09,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:17:09,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:09,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:17:09,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:09,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:17:09,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:17:09,310 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:17:09,310 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640469041] [2021-07-09 22:17:09,310 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640469041] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:17:09,311 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:17:09,311 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:17:09,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242162825] [2021-07-09 22:17:09,311 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:17:09,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:17:09,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:17:09,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1096, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:17:09,312 INFO L87 Difference]: Start difference. First operand 600 states and 761 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:10,474 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-07-09 22:17:10,689 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-09 22:17:11,042 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-09 22:17:11,269 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-09 22:17:11,501 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2021-07-09 22:17:11,756 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-07-09 22:17:12,258 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2021-07-09 22:17:12,423 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2021-07-09 22:17:12,552 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-07-09 22:17:12,739 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2021-07-09 22:17:13,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:17:13,493 INFO L93 Difference]: Finished difference Result 741 states and 959 transitions. [2021-07-09 22:17:13,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 22:17:13,493 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:17:13,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:17:13,494 INFO L225 Difference]: With dead ends: 741 [2021-07-09 22:17:13,494 INFO L226 Difference]: Without dead ends: 629 [2021-07-09 22:17:13,494 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 808 ImplicationChecksByTransitivity, 4209.7ms TimeCoverageRelationStatistics Valid=726, Invalid=3696, Unknown=0, NotChecked=0, Total=4422 [2021-07-09 22:17:13,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2021-07-09 22:17:13,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 598. [2021-07-09 22:17:13,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 597 states have (on average 1.2680067001675042) internal successors, (757), 597 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:13,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 757 transitions. [2021-07-09 22:17:13,499 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 757 transitions. Word has length 120 [2021-07-09 22:17:13,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:17:13,500 INFO L482 AbstractCegarLoop]: Abstraction has 598 states and 757 transitions. [2021-07-09 22:17:13,500 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:13,500 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 757 transitions. [2021-07-09 22:17:13,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:17:13,501 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:17:13,501 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:17:13,501 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-07-09 22:17:13,501 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:17:13,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:17:13,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1970036611, now seen corresponding path program 16 times [2021-07-09 22:17:13,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:17:13,501 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52044835] [2021-07-09 22:17:13,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:17:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:17:13,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:13,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:17:13,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:13,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:17:13,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:13,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:17:13,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:13,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:17:13,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:13,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:17:13,635 INFO L142 QuantifierPusher]: treesize reduction 25, result has 47.9 percent of original size [2021-07-09 22:17:13,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:17:13,646 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.0 percent of original size [2021-07-09 22:17:13,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:17:13,663 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.4 percent of original size [2021-07-09 22:17:13,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-09 22:17:13,700 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-09 22:17:13,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:17:13,717 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-09 22:17:13,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:17:13,736 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-09 22:17:13,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:17:13,754 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:17:13,755 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:17:13,789 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:17:13,790 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:17:13,825 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:17:13,825 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:17:13,877 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:17:13,877 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:17:13,915 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-07-09 22:17:13,915 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.6 percent of original size 43 [2021-07-09 22:17:13,956 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.5 percent of original size [2021-07-09 22:17:13,957 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size 46 [2021-07-09 22:17:13,976 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-09 22:17:13,977 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:17:13,995 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-09 22:17:13,995 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:17:14,034 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:17:14,035 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:17:14,075 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:17:14,075 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:17:14,117 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:17:14,117 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-09 22:17:14,159 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:17:14,159 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:17:14,203 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:17:14,204 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:17:14,248 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:17:14,249 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:17:14,296 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-07-09 22:17:14,297 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:17:14,346 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:17:14,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:17:14,378 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:17:14,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:17:14,403 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:17:14,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:17:14,431 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:17:14,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:17:14,461 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:17:14,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:17:14,462 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:17:14,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:17:14,489 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:17:14,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:17:14,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:14,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:17:14,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:14,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:17:14,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:14,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:17:14,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:14,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:17:14,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:17:14,589 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:17:14,589 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52044835] [2021-07-09 22:17:14,589 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52044835] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:17:14,589 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:17:14,589 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2021-07-09 22:17:14,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220640843] [2021-07-09 22:17:14,589 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-09 22:17:14,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:17:14,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-09 22:17:14,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=974, Unknown=0, NotChecked=0, Total=1056 [2021-07-09 22:17:14,590 INFO L87 Difference]: Start difference. First operand 598 states and 757 transitions. Second operand has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:15,669 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-07-09 22:17:15,879 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-09 22:17:16,216 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-09 22:17:16,429 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-09 22:17:16,656 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2021-07-09 22:17:17,063 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-09 22:17:17,218 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-09 22:17:17,360 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-07-09 22:17:17,547 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-09 22:17:18,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:17:18,226 INFO L93 Difference]: Finished difference Result 734 states and 949 transitions. [2021-07-09 22:17:18,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-09 22:17:18,227 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:17:18,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:17:18,228 INFO L225 Difference]: With dead ends: 734 [2021-07-09 22:17:18,228 INFO L226 Difference]: Without dead ends: 621 [2021-07-09 22:17:18,228 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 673 ImplicationChecksByTransitivity, 3836.1ms TimeCoverageRelationStatistics Valid=646, Invalid=3260, Unknown=0, NotChecked=0, Total=3906 [2021-07-09 22:17:18,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2021-07-09 22:17:18,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 596. [2021-07-09 22:17:18,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 595 states have (on average 1.2672268907563025) internal successors, (754), 595 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:18,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 754 transitions. [2021-07-09 22:17:18,233 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 754 transitions. Word has length 120 [2021-07-09 22:17:18,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:17:18,233 INFO L482 AbstractCegarLoop]: Abstraction has 596 states and 754 transitions. [2021-07-09 22:17:18,233 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:18,233 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 754 transitions. [2021-07-09 22:17:18,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:17:18,234 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:17:18,234 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:17:18,234 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-07-09 22:17:18,235 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:17:18,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:17:18,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1440084545, now seen corresponding path program 17 times [2021-07-09 22:17:18,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:17:18,235 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502201628] [2021-07-09 22:17:18,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:17:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:17:18,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:18,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:17:18,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:18,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:17:18,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:18,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:17:18,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:18,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:17:18,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:18,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:17:18,384 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.0 percent of original size [2021-07-09 22:17:18,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:17:18,401 INFO L142 QuantifierPusher]: treesize reduction 12, result has 77.4 percent of original size [2021-07-09 22:17:18,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:17:18,430 INFO L142 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size [2021-07-09 22:17:18,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:17:18,466 INFO L142 QuantifierPusher]: treesize reduction 12, result has 83.1 percent of original size [2021-07-09 22:17:18,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-09 22:17:18,506 INFO L142 QuantifierPusher]: treesize reduction 18, result has 74.6 percent of original size [2021-07-09 22:17:18,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-09 22:17:18,546 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-09 22:17:18,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-09 22:17:18,597 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-09 22:17:18,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-09 22:17:18,648 INFO L142 QuantifierPusher]: treesize reduction 12, result has 81.0 percent of original size [2021-07-09 22:17:18,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:17:18,687 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-07-09 22:17:18,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:17:18,707 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:17:18,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:17:18,730 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:17:18,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:17:18,751 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-09 22:17:18,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:17:18,784 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-09 22:17:18,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:17:18,832 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-09 22:17:18,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:17:18,868 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-07-09 22:17:18,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:17:18,905 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.1 percent of original size [2021-07-09 22:17:18,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:17:18,936 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-07-09 22:17:18,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:17:18,960 INFO L142 QuantifierPusher]: treesize reduction 23, result has 58.2 percent of original size [2021-07-09 22:17:18,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:17:18,986 INFO L142 QuantifierPusher]: treesize reduction 23, result has 58.2 percent of original size [2021-07-09 22:17:18,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:17:19,013 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-07-09 22:17:19,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:17:19,063 INFO L142 QuantifierPusher]: treesize reduction 28, result has 56.3 percent of original size [2021-07-09 22:17:19,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:17:19,113 INFO L142 QuantifierPusher]: treesize reduction 28, result has 56.3 percent of original size [2021-07-09 22:17:19,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:17:19,154 INFO L142 QuantifierPusher]: treesize reduction 28, result has 56.3 percent of original size [2021-07-09 22:17:19,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:17:19,197 INFO L142 QuantifierPusher]: treesize reduction 28, result has 56.3 percent of original size [2021-07-09 22:17:19,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:17:19,252 INFO L142 QuantifierPusher]: treesize reduction 51, result has 37.0 percent of original size [2021-07-09 22:17:19,252 INFO L147 QuantifierPusher]: treesize reduction 6, result has 80.0 percent of original size 24 [2021-07-09 22:17:19,294 INFO L142 QuantifierPusher]: treesize reduction 46, result has 43.9 percent of original size [2021-07-09 22:17:19,294 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size 30 [2021-07-09 22:17:19,339 INFO L142 QuantifierPusher]: treesize reduction 26, result has 43.5 percent of original size [2021-07-09 22:17:19,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:17:19,370 INFO L142 QuantifierPusher]: treesize reduction 18, result has 58.1 percent of original size [2021-07-09 22:17:19,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:17:19,399 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-09 22:17:19,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:17:19,404 INFO L142 QuantifierPusher]: treesize reduction 28, result has 33.3 percent of original size [2021-07-09 22:17:19,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:17:19,435 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-09 22:17:19,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:17:19,467 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-09 22:17:19,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:17:19,497 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-09 22:17:19,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:17:19,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:19,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:17:19,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:19,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:17:19,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:19,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:17:19,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:19,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:17:19,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:17:19,611 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:17:19,611 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502201628] [2021-07-09 22:17:19,611 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502201628] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:17:19,611 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:17:19,611 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-07-09 22:17:19,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713960288] [2021-07-09 22:17:19,611 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-09 22:17:19,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:17:19,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-09 22:17:19,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1374, Unknown=0, NotChecked=0, Total=1482 [2021-07-09 22:17:19,612 INFO L87 Difference]: Start difference. First operand 596 states and 754 transitions. Second operand has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:21,443 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2021-07-09 22:17:21,612 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-07-09 22:17:21,798 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-07-09 22:17:22,148 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2021-07-09 22:17:22,353 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 74 [2021-07-09 22:17:22,571 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 78 [2021-07-09 22:17:22,922 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-07-09 22:17:23,210 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2021-07-09 22:17:23,459 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 86 [2021-07-09 22:17:23,730 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 90 [2021-07-09 22:17:23,889 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2021-07-09 22:17:24,087 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2021-07-09 22:17:24,253 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2021-07-09 22:17:25,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:17:25,307 INFO L93 Difference]: Finished difference Result 747 states and 968 transitions. [2021-07-09 22:17:25,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-09 22:17:25,312 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:17:25,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:17:25,313 INFO L225 Difference]: With dead ends: 747 [2021-07-09 22:17:25,313 INFO L226 Difference]: Without dead ends: 632 [2021-07-09 22:17:25,313 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1200 ImplicationChecksByTransitivity, 5796.8ms TimeCoverageRelationStatistics Valid=1000, Invalid=5480, Unknown=0, NotChecked=0, Total=6480 [2021-07-09 22:17:25,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2021-07-09 22:17:25,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 601. [2021-07-09 22:17:25,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 600 states have (on average 1.27) internal successors, (762), 600 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:25,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 762 transitions. [2021-07-09 22:17:25,318 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 762 transitions. Word has length 120 [2021-07-09 22:17:25,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:17:25,318 INFO L482 AbstractCegarLoop]: Abstraction has 601 states and 762 transitions. [2021-07-09 22:17:25,319 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:25,319 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 762 transitions. [2021-07-09 22:17:25,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:17:25,320 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:17:25,320 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:17:25,320 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-07-09 22:17:25,320 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:17:25,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:17:25,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1939601829, now seen corresponding path program 18 times [2021-07-09 22:17:25,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:17:25,320 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274726723] [2021-07-09 22:17:25,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:17:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:17:25,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:25,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:17:25,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:25,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:17:25,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:25,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:17:25,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:25,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:17:25,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:25,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:17:25,481 INFO L142 QuantifierPusher]: treesize reduction 20, result has 62.3 percent of original size [2021-07-09 22:17:25,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:17:25,500 INFO L142 QuantifierPusher]: treesize reduction 20, result has 69.7 percent of original size [2021-07-09 22:17:25,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:17:25,547 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.0 percent of original size [2021-07-09 22:17:25,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-09 22:17:25,587 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-09 22:17:25,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-09 22:17:25,630 INFO L142 QuantifierPusher]: treesize reduction 26, result has 69.0 percent of original size [2021-07-09 22:17:25,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-09 22:17:25,672 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-09 22:17:25,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-09 22:17:25,732 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-09 22:17:25,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-09 22:17:25,795 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.3 percent of original size [2021-07-09 22:17:25,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:17:25,838 INFO L142 QuantifierPusher]: treesize reduction 20, result has 60.8 percent of original size [2021-07-09 22:17:25,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:17:25,858 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-07-09 22:17:25,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:17:25,880 INFO L142 QuantifierPusher]: treesize reduction 20, result has 57.4 percent of original size [2021-07-09 22:17:25,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:17:25,901 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:17:25,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:17:25,933 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:17:25,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:17:25,965 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:17:25,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:17:26,000 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:17:26,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:17:26,037 INFO L142 QuantifierPusher]: treesize reduction 24, result has 62.5 percent of original size [2021-07-09 22:17:26,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:17:26,067 INFO L142 QuantifierPusher]: treesize reduction 24, result has 64.2 percent of original size [2021-07-09 22:17:26,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:17:26,088 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-09 22:17:26,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:17:26,112 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-09 22:17:26,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:17:26,137 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-09 22:17:26,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:17:26,163 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-09 22:17:26,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:17:26,189 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-09 22:17:26,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:17:26,217 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-09 22:17:26,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:17:26,253 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-09 22:17:26,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:17:26,284 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-09 22:17:26,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:17:26,317 INFO L142 QuantifierPusher]: treesize reduction 47, result has 44.0 percent of original size [2021-07-09 22:17:26,317 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size 31 [2021-07-09 22:17:26,361 INFO L142 QuantifierPusher]: treesize reduction 19, result has 56.8 percent of original size [2021-07-09 22:17:26,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:17:26,392 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-09 22:17:26,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:17:26,418 INFO L142 QuantifierPusher]: treesize reduction 29, result has 32.6 percent of original size [2021-07-09 22:17:26,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:17:26,446 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-09 22:17:26,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:17:26,476 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-09 22:17:26,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:17:26,477 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-09 22:17:26,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:17:26,505 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-09 22:17:26,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:17:26,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:26,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:17:26,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:26,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:17:26,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:26,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:17:26,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:26,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:17:26,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:17:26,609 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:17:26,609 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274726723] [2021-07-09 22:17:26,609 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274726723] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:17:26,609 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:17:26,609 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-07-09 22:17:26,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134276569] [2021-07-09 22:17:26,610 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-09 22:17:26,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:17:26,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-09 22:17:26,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1366, Unknown=0, NotChecked=0, Total=1482 [2021-07-09 22:17:26,610 INFO L87 Difference]: Start difference. First operand 601 states and 762 transitions. Second operand has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:28,144 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2021-07-09 22:17:28,297 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2021-07-09 22:17:28,472 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-07-09 22:17:28,796 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2021-07-09 22:17:28,985 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-07-09 22:17:29,189 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-09 22:17:29,519 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-09 22:17:30,019 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 86 [2021-07-09 22:17:30,181 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2021-07-09 22:17:30,325 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2021-07-09 22:17:30,505 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2021-07-09 22:17:31,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:17:31,541 INFO L93 Difference]: Finished difference Result 740 states and 958 transitions. [2021-07-09 22:17:31,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-09 22:17:31,542 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:17:31,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:17:31,543 INFO L225 Difference]: With dead ends: 740 [2021-07-09 22:17:31,543 INFO L226 Difference]: Without dead ends: 631 [2021-07-09 22:17:31,543 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1229 ImplicationChecksByTransitivity, 5145.0ms TimeCoverageRelationStatistics Valid=972, Invalid=5190, Unknown=0, NotChecked=0, Total=6162 [2021-07-09 22:17:31,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2021-07-09 22:17:31,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 600. [2021-07-09 22:17:31,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 599 states have (on average 1.2687813021702838) internal successors, (760), 599 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:31,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 760 transitions. [2021-07-09 22:17:31,548 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 760 transitions. Word has length 120 [2021-07-09 22:17:31,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:17:31,548 INFO L482 AbstractCegarLoop]: Abstraction has 600 states and 760 transitions. [2021-07-09 22:17:31,548 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:31,548 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 760 transitions. [2021-07-09 22:17:31,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:17:31,549 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:17:31,549 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:17:31,549 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-07-09 22:17:31,549 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:17:31,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:17:31,550 INFO L82 PathProgramCache]: Analyzing trace with hash -1498970445, now seen corresponding path program 19 times [2021-07-09 22:17:31,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:17:31,550 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866447058] [2021-07-09 22:17:31,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:17:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:17:31,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:31,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:17:31,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:31,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:17:31,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:31,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:17:31,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:31,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:17:31,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:31,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:17:31,683 INFO L142 QuantifierPusher]: treesize reduction 25, result has 51.9 percent of original size [2021-07-09 22:17:31,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:17:31,697 INFO L142 QuantifierPusher]: treesize reduction 25, result has 61.5 percent of original size [2021-07-09 22:17:31,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:17:31,719 INFO L142 QuantifierPusher]: treesize reduction 21, result has 72.0 percent of original size [2021-07-09 22:17:31,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-07-09 22:17:31,766 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-09 22:17:31,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:17:31,786 INFO L142 QuantifierPusher]: treesize reduction 12, result has 77.8 percent of original size [2021-07-09 22:17:31,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:17:31,805 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-09 22:17:31,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:17:31,825 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-09 22:17:31,825 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-09 22:17:31,861 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-09 22:17:31,862 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-09 22:17:31,899 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-09 22:17:31,900 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-09 22:17:31,939 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-09 22:17:31,940 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-09 22:17:31,987 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.8 percent of original size [2021-07-09 22:17:31,988 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.4 percent of original size 47 [2021-07-09 22:17:32,031 INFO L142 QuantifierPusher]: treesize reduction 14, result has 79.7 percent of original size [2021-07-09 22:17:32,031 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.9 percent of original size 50 [2021-07-09 22:17:32,049 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-09 22:17:32,050 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:17:32,086 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-09 22:17:32,086 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:17:32,124 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:17:32,124 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:17:32,162 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:17:32,163 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-09 22:17:32,198 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:17:32,199 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-09 22:17:32,237 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:17:32,237 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-09 22:17:32,276 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:17:32,276 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:17:32,317 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:17:32,317 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:17:32,359 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-07-09 22:17:32,360 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:17:32,404 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-07-09 22:17:32,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:17:32,434 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-07-09 22:17:32,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:17:32,455 INFO L142 QuantifierPusher]: treesize reduction 16, result has 56.8 percent of original size [2021-07-09 22:17:32,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:17:32,483 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-07-09 22:17:32,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:17:32,513 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:17:32,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:17:32,542 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:17:32,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:17:32,543 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:17:32,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:17:32,570 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:17:32,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:17:32,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:32,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:17:32,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:32,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:17:32,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:32,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:17:32,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:32,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:17:32,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:17:32,668 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:17:32,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866447058] [2021-07-09 22:17:32,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866447058] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:17:32,668 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:17:32,668 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:17:32,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051769123] [2021-07-09 22:17:32,668 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:17:32,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:17:32,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:17:32,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1096, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:17:32,669 INFO L87 Difference]: Start difference. First operand 600 states and 760 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:33,834 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-07-09 22:17:34,045 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-09 22:17:34,400 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-09 22:17:34,599 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-07-09 22:17:34,825 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2021-07-09 22:17:35,179 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-07-09 22:17:35,463 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2021-07-09 22:17:35,761 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2021-07-09 22:17:35,941 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2021-07-09 22:17:36,272 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2021-07-09 22:17:37,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:17:37,045 INFO L93 Difference]: Finished difference Result 741 states and 958 transitions. [2021-07-09 22:17:37,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-09 22:17:37,045 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:17:37,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:17:37,046 INFO L225 Difference]: With dead ends: 741 [2021-07-09 22:17:37,046 INFO L226 Difference]: Without dead ends: 629 [2021-07-09 22:17:37,047 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 836 ImplicationChecksByTransitivity, 4297.1ms TimeCoverageRelationStatistics Valid=754, Invalid=3802, Unknown=0, NotChecked=0, Total=4556 [2021-07-09 22:17:37,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2021-07-09 22:17:37,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 598. [2021-07-09 22:17:37,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 597 states have (on average 1.2663316582914572) internal successors, (756), 597 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:37,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 756 transitions. [2021-07-09 22:17:37,052 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 756 transitions. Word has length 120 [2021-07-09 22:17:37,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:17:37,052 INFO L482 AbstractCegarLoop]: Abstraction has 598 states and 756 transitions. [2021-07-09 22:17:37,052 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:37,052 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 756 transitions. [2021-07-09 22:17:37,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:17:37,053 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:17:37,053 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:17:37,053 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-07-09 22:17:37,053 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:17:37,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:17:37,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1757074927, now seen corresponding path program 20 times [2021-07-09 22:17:37,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:17:37,054 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473256121] [2021-07-09 22:17:37,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:17:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:17:37,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:37,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:17:37,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:37,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:17:37,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:37,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:17:37,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:37,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:17:37,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:37,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:17:37,189 INFO L142 QuantifierPusher]: treesize reduction 25, result has 47.9 percent of original size [2021-07-09 22:17:37,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:17:37,200 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.0 percent of original size [2021-07-09 22:17:37,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:17:37,217 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.4 percent of original size [2021-07-09 22:17:37,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-09 22:17:37,253 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-09 22:17:37,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:17:37,270 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-09 22:17:37,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:17:37,289 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-09 22:17:37,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:17:37,307 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:17:37,308 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:17:37,341 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:17:37,341 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:17:37,376 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:17:37,376 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:17:37,413 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:17:37,413 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:17:37,450 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-07-09 22:17:37,450 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.6 percent of original size 43 [2021-07-09 22:17:37,491 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.5 percent of original size [2021-07-09 22:17:37,491 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size 46 [2021-07-09 22:17:37,510 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-09 22:17:37,510 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:17:37,527 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-09 22:17:37,528 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:17:37,564 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:17:37,565 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:17:37,603 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:17:37,603 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-09 22:17:37,644 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:17:37,645 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-09 22:17:37,685 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:17:37,685 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:17:37,728 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:17:37,728 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:17:37,770 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:17:37,770 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:17:37,819 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-07-09 22:17:37,820 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:17:37,864 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:17:37,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:17:37,892 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:17:37,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:17:37,914 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:17:37,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:17:37,941 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:17:37,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:17:37,969 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:17:37,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:17:37,970 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:17:37,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:17:37,996 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:17:37,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:17:38,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:38,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:17:38,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:38,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:17:38,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:38,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:17:38,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:38,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:17:38,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:17:38,090 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:17:38,090 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473256121] [2021-07-09 22:17:38,090 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473256121] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:17:38,090 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:17:38,090 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2021-07-09 22:17:38,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987140622] [2021-07-09 22:17:38,091 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-09 22:17:38,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:17:38,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-09 22:17:38,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=974, Unknown=0, NotChecked=0, Total=1056 [2021-07-09 22:17:38,091 INFO L87 Difference]: Start difference. First operand 598 states and 756 transitions. Second operand has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:39,149 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-07-09 22:17:39,351 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-09 22:17:39,687 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-09 22:17:39,878 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-07-09 22:17:40,093 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2021-07-09 22:17:40,600 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-09 22:17:40,765 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-09 22:17:40,938 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-09 22:17:41,081 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-07-09 22:17:41,275 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-09 22:17:41,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:17:41,964 INFO L93 Difference]: Finished difference Result 740 states and 955 transitions. [2021-07-09 22:17:41,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 22:17:41,965 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:17:41,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:17:41,965 INFO L225 Difference]: With dead ends: 740 [2021-07-09 22:17:41,966 INFO L226 Difference]: Without dead ends: 628 [2021-07-09 22:17:41,966 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 730 ImplicationChecksByTransitivity, 4025.1ms TimeCoverageRelationStatistics Valid=693, Invalid=3467, Unknown=0, NotChecked=0, Total=4160 [2021-07-09 22:17:41,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2021-07-09 22:17:41,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 597. [2021-07-09 22:17:41,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 596 states have (on average 1.2651006711409396) internal successors, (754), 596 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:41,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 754 transitions. [2021-07-09 22:17:41,971 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 754 transitions. Word has length 120 [2021-07-09 22:17:41,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:17:41,971 INFO L482 AbstractCegarLoop]: Abstraction has 597 states and 754 transitions. [2021-07-09 22:17:41,971 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:41,971 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 754 transitions. [2021-07-09 22:17:41,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:17:41,972 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:17:41,972 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:17:41,972 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-07-09 22:17:41,972 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:17:41,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:17:41,972 INFO L82 PathProgramCache]: Analyzing trace with hash -2045880417, now seen corresponding path program 21 times [2021-07-09 22:17:41,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:17:41,973 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024064035] [2021-07-09 22:17:41,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:17:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:17:42,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:42,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:17:42,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:42,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:17:42,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:42,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:17:42,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:42,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:17:42,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:42,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:17:42,109 INFO L142 QuantifierPusher]: treesize reduction 25, result has 47.9 percent of original size [2021-07-09 22:17:42,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:17:42,120 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.0 percent of original size [2021-07-09 22:17:42,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:17:42,140 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.4 percent of original size [2021-07-09 22:17:42,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-09 22:17:42,175 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-09 22:17:42,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:17:42,192 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-09 22:17:42,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:17:42,209 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-09 22:17:42,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:17:42,227 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:17:42,227 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:17:42,258 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:17:42,259 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:17:42,291 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:17:42,291 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:17:42,326 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:17:42,326 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:17:42,361 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-07-09 22:17:42,361 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.6 percent of original size 43 [2021-07-09 22:17:42,400 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.5 percent of original size [2021-07-09 22:17:42,400 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size 46 [2021-07-09 22:17:42,418 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-09 22:17:42,418 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:17:42,434 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-09 22:17:42,434 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:17:42,469 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:17:42,469 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:17:42,505 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:17:42,506 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-09 22:17:42,541 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:17:42,542 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:17:42,580 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:17:42,580 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:17:42,621 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:17:42,621 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:17:42,662 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:17:42,662 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:17:42,712 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-07-09 22:17:42,712 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:17:42,759 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:17:42,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:17:42,787 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:17:42,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:17:42,809 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:17:42,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:17:42,835 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:17:42,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:17:42,864 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:17:42,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:17:42,869 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:17:42,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:17:42,895 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:17:42,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:17:42,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:42,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:17:42,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:42,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:17:42,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:42,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:17:42,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:42,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:17:42,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:17:42,989 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:17:42,989 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024064035] [2021-07-09 22:17:42,989 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024064035] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:17:42,989 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:17:42,989 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2021-07-09 22:17:42,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328801995] [2021-07-09 22:17:42,990 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-09 22:17:42,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:17:42,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-09 22:17:42,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=974, Unknown=0, NotChecked=0, Total=1056 [2021-07-09 22:17:42,990 INFO L87 Difference]: Start difference. First operand 597 states and 754 transitions. Second operand has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:44,055 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-07-09 22:17:44,261 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-09 22:17:44,598 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-09 22:17:44,791 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-07-09 22:17:45,211 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-09 22:17:45,386 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-09 22:17:45,560 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-09 22:17:45,717 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2021-07-09 22:17:45,916 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-09 22:17:46,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:17:46,610 INFO L93 Difference]: Finished difference Result 733 states and 946 transitions. [2021-07-09 22:17:46,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-09 22:17:46,610 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:17:46,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:17:46,611 INFO L225 Difference]: With dead ends: 733 [2021-07-09 22:17:46,611 INFO L226 Difference]: Without dead ends: 607 [2021-07-09 22:17:46,611 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 683 ImplicationChecksByTransitivity, 3723.7ms TimeCoverageRelationStatistics Valid=635, Invalid=3271, Unknown=0, NotChecked=0, Total=3906 [2021-07-09 22:17:46,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2021-07-09 22:17:46,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 583. [2021-07-09 22:17:46,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 582 states have (on average 1.2697594501718212) internal successors, (739), 582 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:46,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 739 transitions. [2021-07-09 22:17:46,616 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 739 transitions. Word has length 120 [2021-07-09 22:17:46,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:17:46,616 INFO L482 AbstractCegarLoop]: Abstraction has 583 states and 739 transitions. [2021-07-09 22:17:46,616 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:46,616 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 739 transitions. [2021-07-09 22:17:46,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:17:46,617 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:17:46,617 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:17:46,617 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-07-09 22:17:46,617 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:17:46,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:17:46,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1569796983, now seen corresponding path program 22 times [2021-07-09 22:17:46,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:17:46,618 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514474082] [2021-07-09 22:17:46,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:17:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:17:46,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:46,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:17:46,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:46,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:17:46,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:46,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:17:46,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:46,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:17:46,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:46,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:17:46,754 INFO L142 QuantifierPusher]: treesize reduction 25, result has 47.9 percent of original size [2021-07-09 22:17:46,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:17:46,765 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.0 percent of original size [2021-07-09 22:17:46,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:17:46,782 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.4 percent of original size [2021-07-09 22:17:46,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-09 22:17:46,819 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-09 22:17:46,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:17:46,836 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-09 22:17:46,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:17:46,855 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-09 22:17:46,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:17:46,873 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:17:46,873 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:17:46,908 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:17:46,908 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:17:46,943 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:17:46,944 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:17:46,981 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:17:46,981 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:17:47,016 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-07-09 22:17:47,017 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.6 percent of original size 43 [2021-07-09 22:17:47,055 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.5 percent of original size [2021-07-09 22:17:47,055 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size 46 [2021-07-09 22:17:47,072 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-09 22:17:47,073 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:17:47,089 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.8 percent of original size [2021-07-09 22:17:47,089 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.5 percent of original size 32 [2021-07-09 22:17:47,122 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.8 percent of original size [2021-07-09 22:17:47,122 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.5 percent of original size 32 [2021-07-09 22:17:47,158 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-09 22:17:47,159 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:17:47,197 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:17:47,197 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:17:47,236 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:17:47,236 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:17:47,277 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:17:47,278 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:17:47,319 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:17:47,319 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:17:47,362 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-07-09 22:17:47,363 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:17:47,407 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:17:47,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:17:47,435 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:17:47,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:17:47,457 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:17:47,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:17:47,483 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:17:47,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:17:47,512 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:17:47,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:17:47,512 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:17:47,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:17:47,538 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:17:47,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:17:47,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:47,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:17:47,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:47,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:17:47,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:47,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:17:47,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:47,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:17:47,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:17:47,638 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:17:47,638 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514474082] [2021-07-09 22:17:47,638 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514474082] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:17:47,638 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:17:47,639 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2021-07-09 22:17:47,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293219541] [2021-07-09 22:17:47,639 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-09 22:17:47,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:17:47,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-09 22:17:47,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=974, Unknown=0, NotChecked=0, Total=1056 [2021-07-09 22:17:47,639 INFO L87 Difference]: Start difference. First operand 583 states and 739 transitions. Second operand has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:48,766 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-07-09 22:17:48,951 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2021-07-09 22:17:49,221 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2021-07-09 22:17:50,082 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-07-09 22:17:50,267 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2021-07-09 22:17:50,460 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 78 [2021-07-09 22:17:50,623 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2021-07-09 22:17:50,940 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-09 22:17:51,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:17:51,675 INFO L93 Difference]: Finished difference Result 784 states and 1003 transitions. [2021-07-09 22:17:51,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-09 22:17:51,675 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:17:51,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:17:51,676 INFO L225 Difference]: With dead ends: 784 [2021-07-09 22:17:51,676 INFO L226 Difference]: Without dead ends: 660 [2021-07-09 22:17:51,676 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 793 ImplicationChecksByTransitivity, 3974.6ms TimeCoverageRelationStatistics Valid=704, Invalid=3586, Unknown=0, NotChecked=0, Total=4290 [2021-07-09 22:17:51,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2021-07-09 22:17:51,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 595. [2021-07-09 22:17:51,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 594 states have (on average 1.2643097643097643) internal successors, (751), 594 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:51,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 751 transitions. [2021-07-09 22:17:51,681 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 751 transitions. Word has length 120 [2021-07-09 22:17:51,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:17:51,682 INFO L482 AbstractCegarLoop]: Abstraction has 595 states and 751 transitions. [2021-07-09 22:17:51,682 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:51,682 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 751 transitions. [2021-07-09 22:17:51,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:17:51,683 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:17:51,683 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:17:51,683 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-07-09 22:17:51,683 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:17:51,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:17:51,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1786717039, now seen corresponding path program 23 times [2021-07-09 22:17:51,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:17:51,683 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861362136] [2021-07-09 22:17:51,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:17:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:17:51,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:51,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:17:51,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:51,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:17:51,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:51,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:17:51,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:51,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:17:51,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:51,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:17:51,820 INFO L142 QuantifierPusher]: treesize reduction 25, result has 51.9 percent of original size [2021-07-09 22:17:51,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:17:51,833 INFO L142 QuantifierPusher]: treesize reduction 25, result has 61.5 percent of original size [2021-07-09 22:17:51,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:17:51,852 INFO L142 QuantifierPusher]: treesize reduction 21, result has 72.0 percent of original size [2021-07-09 22:17:51,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-07-09 22:17:51,893 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-09 22:17:51,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:17:51,915 INFO L142 QuantifierPusher]: treesize reduction 12, result has 77.8 percent of original size [2021-07-09 22:17:51,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:17:51,935 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-09 22:17:51,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:17:51,954 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-09 22:17:51,955 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-09 22:17:51,992 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-09 22:17:51,992 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-09 22:17:52,028 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-09 22:17:52,029 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-09 22:17:52,065 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.2 percent of original size [2021-07-09 22:17:52,066 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-07-09 22:17:52,103 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.8 percent of original size [2021-07-09 22:17:52,104 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.4 percent of original size 47 [2021-07-09 22:17:52,143 INFO L142 QuantifierPusher]: treesize reduction 14, result has 79.7 percent of original size [2021-07-09 22:17:52,144 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.9 percent of original size 50 [2021-07-09 22:17:52,160 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-09 22:17:52,161 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:17:52,193 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.8 percent of original size [2021-07-09 22:17:52,194 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.5 percent of original size 32 [2021-07-09 22:17:52,226 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.8 percent of original size [2021-07-09 22:17:52,227 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.5 percent of original size 32 [2021-07-09 22:17:52,261 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:17:52,262 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-09 22:17:52,297 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:17:52,298 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-09 22:17:52,335 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:17:52,335 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-09 22:17:52,373 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:17:52,374 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-09 22:17:52,413 INFO L142 QuantifierPusher]: treesize reduction 46, result has 41.0 percent of original size [2021-07-09 22:17:52,413 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size 27 [2021-07-09 22:17:52,453 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-07-09 22:17:52,453 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:17:52,497 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-07-09 22:17:52,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:17:52,526 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-07-09 22:17:52,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:17:52,548 INFO L142 QuantifierPusher]: treesize reduction 16, result has 56.8 percent of original size [2021-07-09 22:17:52,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:17:52,581 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-07-09 22:17:52,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:17:52,620 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:17:52,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:17:52,651 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:17:52,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:17:52,652 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:17:52,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:17:52,681 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:17:52,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:17:52,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:52,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:17:52,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:52,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:17:52,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:52,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:17:52,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:52,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:17:52,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:17:52,784 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:17:52,784 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861362136] [2021-07-09 22:17:52,784 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861362136] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:17:52,784 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:17:52,785 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:17:52,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543659095] [2021-07-09 22:17:52,785 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:17:52,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:17:52,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:17:52,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1096, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:17:52,785 INFO L87 Difference]: Start difference. First operand 595 states and 751 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:53,753 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 62 [2021-07-09 22:17:53,899 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-07-09 22:17:54,083 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2021-07-09 22:17:54,357 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2021-07-09 22:17:54,806 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2021-07-09 22:17:55,025 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 80 [2021-07-09 22:17:55,386 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 84 [2021-07-09 22:17:55,664 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2021-07-09 22:17:55,906 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 88 [2021-07-09 22:17:56,177 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 92 [2021-07-09 22:17:56,336 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2021-07-09 22:17:56,527 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2021-07-09 22:17:56,697 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2021-07-09 22:17:57,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:17:57,688 INFO L93 Difference]: Finished difference Result 739 states and 941 transitions. [2021-07-09 22:17:57,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 22:17:57,689 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:17:57,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:17:57,690 INFO L225 Difference]: With dead ends: 739 [2021-07-09 22:17:57,690 INFO L226 Difference]: Without dead ends: 625 [2021-07-09 22:17:57,690 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 937 ImplicationChecksByTransitivity, 4921.9ms TimeCoverageRelationStatistics Valid=914, Invalid=4198, Unknown=0, NotChecked=0, Total=5112 [2021-07-09 22:17:57,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2021-07-09 22:17:57,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 600. [2021-07-09 22:17:57,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 599 states have (on average 1.2687813021702838) internal successors, (760), 599 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:57,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 760 transitions. [2021-07-09 22:17:57,700 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 760 transitions. Word has length 120 [2021-07-09 22:17:57,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:17:57,700 INFO L482 AbstractCegarLoop]: Abstraction has 600 states and 760 transitions. [2021-07-09 22:17:57,700 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:17:57,700 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 760 transitions. [2021-07-09 22:17:57,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:17:57,701 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:17:57,701 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:17:57,701 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-07-09 22:17:57,701 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:17:57,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:17:57,701 INFO L82 PathProgramCache]: Analyzing trace with hash 477093237, now seen corresponding path program 24 times [2021-07-09 22:17:57,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:17:57,702 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115710679] [2021-07-09 22:17:57,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:17:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:17:57,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:57,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:17:57,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:57,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:17:57,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:57,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:17:57,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:57,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:17:57,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:57,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:17:57,847 INFO L142 QuantifierPusher]: treesize reduction 20, result has 62.3 percent of original size [2021-07-09 22:17:57,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:17:57,866 INFO L142 QuantifierPusher]: treesize reduction 20, result has 69.7 percent of original size [2021-07-09 22:17:57,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:17:57,897 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.0 percent of original size [2021-07-09 22:17:57,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-09 22:17:57,939 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-09 22:17:57,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-09 22:17:57,984 INFO L142 QuantifierPusher]: treesize reduction 26, result has 69.0 percent of original size [2021-07-09 22:17:57,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-09 22:17:58,029 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-09 22:17:58,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-09 22:17:58,090 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-09 22:17:58,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-09 22:17:58,153 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.3 percent of original size [2021-07-09 22:17:58,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:17:58,214 INFO L142 QuantifierPusher]: treesize reduction 20, result has 60.8 percent of original size [2021-07-09 22:17:58,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:17:58,234 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-07-09 22:17:58,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:17:58,256 INFO L142 QuantifierPusher]: treesize reduction 20, result has 57.4 percent of original size [2021-07-09 22:17:58,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:17:58,277 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:17:58,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:17:58,308 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:17:58,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:17:58,341 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:17:58,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:17:58,374 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:17:58,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:17:58,409 INFO L142 QuantifierPusher]: treesize reduction 24, result has 62.5 percent of original size [2021-07-09 22:17:58,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:17:58,439 INFO L142 QuantifierPusher]: treesize reduction 24, result has 64.2 percent of original size [2021-07-09 22:17:58,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:17:58,460 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-09 22:17:58,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:17:58,485 INFO L142 QuantifierPusher]: treesize reduction 29, result has 46.3 percent of original size [2021-07-09 22:17:58,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:17:58,508 INFO L142 QuantifierPusher]: treesize reduction 29, result has 46.3 percent of original size [2021-07-09 22:17:58,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:17:58,534 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-09 22:17:58,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:17:58,560 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-09 22:17:58,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:17:58,588 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-09 22:17:58,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:17:58,617 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-09 22:17:58,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:17:58,657 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-09 22:17:58,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:17:58,690 INFO L142 QuantifierPusher]: treesize reduction 47, result has 44.0 percent of original size [2021-07-09 22:17:58,690 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size 31 [2021-07-09 22:17:58,733 INFO L142 QuantifierPusher]: treesize reduction 19, result has 56.8 percent of original size [2021-07-09 22:17:58,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:17:58,765 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-09 22:17:58,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:17:58,790 INFO L142 QuantifierPusher]: treesize reduction 29, result has 32.6 percent of original size [2021-07-09 22:17:58,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:17:58,818 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-09 22:17:58,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:17:58,848 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-09 22:17:58,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:17:58,849 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-09 22:17:58,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:17:58,877 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-09 22:17:58,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:17:58,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:58,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:17:58,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:58,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:17:58,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:58,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:17:58,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:17:58,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:17:58,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:17:58,980 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:17:58,980 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115710679] [2021-07-09 22:17:58,980 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115710679] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:17:58,980 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:17:58,981 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-07-09 22:17:58,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054961514] [2021-07-09 22:17:58,981 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-09 22:17:58,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:17:58,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-09 22:17:58,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1366, Unknown=0, NotChecked=0, Total=1482 [2021-07-09 22:17:58,981 INFO L87 Difference]: Start difference. First operand 600 states and 760 transitions. Second operand has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:00,532 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2021-07-09 22:18:00,687 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2021-07-09 22:18:00,841 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2021-07-09 22:18:01,100 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-09 22:18:01,531 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-09 22:18:01,741 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-09 22:18:02,089 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 82 [2021-07-09 22:18:02,602 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 86 [2021-07-09 22:18:02,768 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-09 22:18:02,917 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-07-09 22:18:03,098 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 76 [2021-07-09 22:18:04,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:18:04,182 INFO L93 Difference]: Finished difference Result 733 states and 933 transitions. [2021-07-09 22:18:04,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-09 22:18:04,182 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:18:04,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:18:04,183 INFO L225 Difference]: With dead ends: 733 [2021-07-09 22:18:04,183 INFO L226 Difference]: Without dead ends: 624 [2021-07-09 22:18:04,184 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1311 ImplicationChecksByTransitivity, 5321.7ms TimeCoverageRelationStatistics Valid=1039, Invalid=5441, Unknown=0, NotChecked=0, Total=6480 [2021-07-09 22:18:04,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2021-07-09 22:18:04,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 599. [2021-07-09 22:18:04,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 598 states have (on average 1.2675585284280937) internal successors, (758), 598 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:04,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 758 transitions. [2021-07-09 22:18:04,188 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 758 transitions. Word has length 120 [2021-07-09 22:18:04,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:18:04,189 INFO L482 AbstractCegarLoop]: Abstraction has 599 states and 758 transitions. [2021-07-09 22:18:04,189 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:04,189 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 758 transitions. [2021-07-09 22:18:04,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:18:04,190 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:18:04,190 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:18:04,190 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-07-09 22:18:04,190 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:18:04,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:18:04,190 INFO L82 PathProgramCache]: Analyzing trace with hash 917724621, now seen corresponding path program 25 times [2021-07-09 22:18:04,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:18:04,190 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736818500] [2021-07-09 22:18:04,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:18:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:18:04,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:04,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:18:04,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:04,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:18:04,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:04,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:18:04,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:04,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:18:04,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:04,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:18:04,348 INFO L142 QuantifierPusher]: treesize reduction 20, result has 62.3 percent of original size [2021-07-09 22:18:04,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:18:04,368 INFO L142 QuantifierPusher]: treesize reduction 20, result has 69.7 percent of original size [2021-07-09 22:18:04,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:18:04,399 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.0 percent of original size [2021-07-09 22:18:04,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-09 22:18:04,437 INFO L142 QuantifierPusher]: treesize reduction 20, result has 76.2 percent of original size [2021-07-09 22:18:04,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-09 22:18:04,479 INFO L142 QuantifierPusher]: treesize reduction 26, result has 69.0 percent of original size [2021-07-09 22:18:04,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-09 22:18:04,522 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-09 22:18:04,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-09 22:18:04,582 INFO L142 QuantifierPusher]: treesize reduction 21, result has 79.4 percent of original size [2021-07-09 22:18:04,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-09 22:18:04,645 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.3 percent of original size [2021-07-09 22:18:04,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:18:04,689 INFO L142 QuantifierPusher]: treesize reduction 20, result has 60.8 percent of original size [2021-07-09 22:18:04,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:18:04,723 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-07-09 22:18:04,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:18:04,744 INFO L142 QuantifierPusher]: treesize reduction 20, result has 57.4 percent of original size [2021-07-09 22:18:04,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:18:04,765 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:18:04,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:18:04,796 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:18:04,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:18:04,827 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:18:04,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:18:04,861 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-07-09 22:18:04,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:18:04,895 INFO L142 QuantifierPusher]: treesize reduction 24, result has 62.5 percent of original size [2021-07-09 22:18:04,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:18:04,924 INFO L142 QuantifierPusher]: treesize reduction 24, result has 64.2 percent of original size [2021-07-09 22:18:04,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:18:04,945 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-09 22:18:04,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:18:04,969 INFO L142 QuantifierPusher]: treesize reduction 29, result has 46.3 percent of original size [2021-07-09 22:18:04,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:18:04,992 INFO L142 QuantifierPusher]: treesize reduction 29, result has 46.3 percent of original size [2021-07-09 22:18:04,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:18:05,018 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-09 22:18:05,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:18:05,044 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-09 22:18:05,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:18:05,072 INFO L142 QuantifierPusher]: treesize reduction 29, result has 45.3 percent of original size [2021-07-09 22:18:05,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:18:05,100 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-09 22:18:05,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:18:05,131 INFO L142 QuantifierPusher]: treesize reduction 24, result has 55.6 percent of original size [2021-07-09 22:18:05,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:18:05,164 INFO L142 QuantifierPusher]: treesize reduction 47, result has 44.0 percent of original size [2021-07-09 22:18:05,165 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size 31 [2021-07-09 22:18:05,210 INFO L142 QuantifierPusher]: treesize reduction 19, result has 56.8 percent of original size [2021-07-09 22:18:05,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:18:05,243 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-09 22:18:05,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:18:05,269 INFO L142 QuantifierPusher]: treesize reduction 29, result has 32.6 percent of original size [2021-07-09 22:18:05,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:18:05,298 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-09 22:18:05,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:18:05,329 INFO L142 QuantifierPusher]: treesize reduction 18, result has 52.6 percent of original size [2021-07-09 22:18:05,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 22:18:05,331 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-09 22:18:05,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:18:05,374 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-09 22:18:05,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:18:05,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:05,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:18:05,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:05,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:18:05,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:05,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:18:05,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:05,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:18:05,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:18:05,480 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:18:05,480 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736818500] [2021-07-09 22:18:05,480 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736818500] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:18:05,480 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:18:05,480 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-07-09 22:18:05,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030261375] [2021-07-09 22:18:05,481 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-09 22:18:05,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:18:05,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-09 22:18:05,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1366, Unknown=0, NotChecked=0, Total=1482 [2021-07-09 22:18:05,481 INFO L87 Difference]: Start difference. First operand 599 states and 758 transitions. Second operand has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:07,076 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2021-07-09 22:18:07,230 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2021-07-09 22:18:07,384 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2021-07-09 22:18:07,648 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-09 22:18:08,084 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-09 22:18:08,295 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-09 22:18:08,639 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 82 [2021-07-09 22:18:08,919 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2021-07-09 22:18:09,226 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-09 22:18:09,410 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 76 [2021-07-09 22:18:09,542 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-07-09 22:18:09,744 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2021-07-09 22:18:10,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:18:10,523 INFO L93 Difference]: Finished difference Result 734 states and 933 transitions. [2021-07-09 22:18:10,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-09 22:18:10,523 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:18:10,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:18:10,524 INFO L225 Difference]: With dead ends: 734 [2021-07-09 22:18:10,524 INFO L226 Difference]: Without dead ends: 622 [2021-07-09 22:18:10,524 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1280 ImplicationChecksByTransitivity, 5104.6ms TimeCoverageRelationStatistics Valid=997, Invalid=5323, Unknown=0, NotChecked=0, Total=6320 [2021-07-09 22:18:10,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2021-07-09 22:18:10,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 597. [2021-07-09 22:18:10,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 596 states have (on average 1.2651006711409396) internal successors, (754), 596 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:10,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 754 transitions. [2021-07-09 22:18:10,529 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 754 transitions. Word has length 120 [2021-07-09 22:18:10,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:18:10,529 INFO L482 AbstractCegarLoop]: Abstraction has 597 states and 754 transitions. [2021-07-09 22:18:10,529 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:10,529 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 754 transitions. [2021-07-09 22:18:10,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:18:10,530 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:18:10,530 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:18:10,530 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-07-09 22:18:10,530 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:18:10,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:18:10,531 INFO L82 PathProgramCache]: Analyzing trace with hash 659620139, now seen corresponding path program 26 times [2021-07-09 22:18:10,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:18:10,531 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758767493] [2021-07-09 22:18:10,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:18:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:18:10,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:10,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:18:10,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:10,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:18:10,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:10,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:18:10,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:10,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:18:10,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:10,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:18:10,672 INFO L142 QuantifierPusher]: treesize reduction 24, result has 53.8 percent of original size [2021-07-09 22:18:10,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:18:10,690 INFO L142 QuantifierPusher]: treesize reduction 24, result has 63.1 percent of original size [2021-07-09 22:18:10,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:18:10,721 INFO L142 QuantifierPusher]: treesize reduction 24, result has 67.6 percent of original size [2021-07-09 22:18:10,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-09 22:18:10,758 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.8 percent of original size [2021-07-09 22:18:10,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:18:10,778 INFO L142 QuantifierPusher]: treesize reduction 19, result has 71.6 percent of original size [2021-07-09 22:18:10,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-09 22:18:10,818 INFO L142 QuantifierPusher]: treesize reduction 19, result has 71.6 percent of original size [2021-07-09 22:18:10,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-09 22:18:10,859 INFO L142 QuantifierPusher]: treesize reduction 15, result has 69.4 percent of original size [2021-07-09 22:18:10,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:18:10,880 INFO L142 QuantifierPusher]: treesize reduction 15, result has 71.7 percent of original size [2021-07-09 22:18:10,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:18:10,902 INFO L142 QuantifierPusher]: treesize reduction 15, result has 66.7 percent of original size [2021-07-09 22:18:10,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:18:10,924 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-09 22:18:10,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:18:10,958 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-09 22:18:10,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:18:10,993 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-09 22:18:10,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:18:11,031 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-09 22:18:11,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:18:11,069 INFO L142 QuantifierPusher]: treesize reduction 19, result has 69.4 percent of original size [2021-07-09 22:18:11,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:18:11,099 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.8 percent of original size [2021-07-09 22:18:11,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:18:11,119 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.2 percent of original size [2021-07-09 22:18:11,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:18:11,144 INFO L142 QuantifierPusher]: treesize reduction 24, result has 53.8 percent of original size [2021-07-09 22:18:11,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:18:11,167 INFO L142 QuantifierPusher]: treesize reduction 24, result has 53.8 percent of original size [2021-07-09 22:18:11,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:18:11,193 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-09 22:18:11,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:18:11,219 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-09 22:18:11,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:18:11,248 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:18:11,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:18:11,278 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:18:11,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:18:11,309 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:18:11,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:18:11,356 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.8 percent of original size [2021-07-09 22:18:11,356 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-07-09 22:18:11,400 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:18:11,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:18:11,431 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:18:11,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:18:11,454 INFO L142 QuantifierPusher]: treesize reduction 24, result has 41.5 percent of original size [2021-07-09 22:18:11,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:18:11,483 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:18:11,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:18:11,513 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:18:11,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:18:11,514 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 22:18:11,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:18:11,542 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:18:11,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:18:11,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:11,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:18:11,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:11,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:18:11,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:11,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:18:11,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:11,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:18:11,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:18:11,644 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:18:11,644 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758767493] [2021-07-09 22:18:11,644 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758767493] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:18:11,644 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:18:11,644 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-07-09 22:18:11,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588873518] [2021-07-09 22:18:11,644 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-09 22:18:11,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:18:11,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-09 22:18:11,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1232, Unknown=0, NotChecked=0, Total=1332 [2021-07-09 22:18:11,645 INFO L87 Difference]: Start difference. First operand 597 states and 754 transitions. Second operand has 37 states, 37 states have (on average 3.2432432432432434) internal successors, (120), 37 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:13,119 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 70 [2021-07-09 22:18:13,308 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 72 [2021-07-09 22:18:13,585 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2021-07-09 22:18:14,045 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 79 [2021-07-09 22:18:14,268 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 83 [2021-07-09 22:18:14,823 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2021-07-09 22:18:15,005 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2021-07-09 22:18:15,198 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 81 [2021-07-09 22:18:15,349 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2021-07-09 22:18:15,551 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2021-07-09 22:18:16,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:18:16,372 INFO L93 Difference]: Finished difference Result 733 states and 930 transitions. [2021-07-09 22:18:16,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-09 22:18:16,372 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.2432432432432434) internal successors, (120), 37 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:18:16,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:18:16,373 INFO L225 Difference]: With dead ends: 733 [2021-07-09 22:18:16,373 INFO L226 Difference]: Without dead ends: 621 [2021-07-09 22:18:16,374 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1144 ImplicationChecksByTransitivity, 4833.3ms TimeCoverageRelationStatistics Valid=971, Invalid=4881, Unknown=0, NotChecked=0, Total=5852 [2021-07-09 22:18:16,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2021-07-09 22:18:16,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 596. [2021-07-09 22:18:16,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 595 states have (on average 1.2638655462184873) internal successors, (752), 595 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:16,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 752 transitions. [2021-07-09 22:18:16,379 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 752 transitions. Word has length 120 [2021-07-09 22:18:16,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:18:16,379 INFO L482 AbstractCegarLoop]: Abstraction has 596 states and 752 transitions. [2021-07-09 22:18:16,379 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 3.2432432432432434) internal successors, (120), 37 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:16,379 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 752 transitions. [2021-07-09 22:18:16,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:18:16,380 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:18:16,380 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:18:16,380 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-07-09 22:18:16,380 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:18:16,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:18:16,380 INFO L82 PathProgramCache]: Analyzing trace with hash 370814649, now seen corresponding path program 27 times [2021-07-09 22:18:16,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:18:16,380 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188576885] [2021-07-09 22:18:16,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:18:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:18:16,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:16,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:18:16,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:16,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:18:16,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:16,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:18:16,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:16,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:18:16,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:16,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:18:16,519 INFO L142 QuantifierPusher]: treesize reduction 25, result has 47.9 percent of original size [2021-07-09 22:18:16,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:18:16,530 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.0 percent of original size [2021-07-09 22:18:16,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:18:16,548 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.4 percent of original size [2021-07-09 22:18:16,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-09 22:18:16,585 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-09 22:18:16,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:18:16,602 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-09 22:18:16,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:18:16,621 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-09 22:18:16,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:18:16,638 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:18:16,638 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:18:16,670 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:18:16,670 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:18:16,703 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:18:16,703 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:18:16,738 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-07-09 22:18:16,738 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-07-09 22:18:16,773 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-07-09 22:18:16,774 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.6 percent of original size 43 [2021-07-09 22:18:16,812 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.5 percent of original size [2021-07-09 22:18:16,813 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size 46 [2021-07-09 22:18:16,830 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-07-09 22:18:16,831 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:18:16,847 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.8 percent of original size [2021-07-09 22:18:16,847 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.5 percent of original size 32 [2021-07-09 22:18:16,880 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.8 percent of original size [2021-07-09 22:18:16,881 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.5 percent of original size 32 [2021-07-09 22:18:16,920 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:18:16,920 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-09 22:18:16,956 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:18:16,957 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:18:16,995 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:18:16,996 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:18:17,037 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:18:17,037 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:18:17,079 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-07-09 22:18:17,079 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.1 percent of original size 37 [2021-07-09 22:18:17,133 INFO L142 QuantifierPusher]: treesize reduction 44, result has 49.4 percent of original size [2021-07-09 22:18:17,133 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-07-09 22:18:17,187 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:18:17,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:18:17,215 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:18:17,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:18:17,237 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:18:17,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:18:17,263 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:18:17,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:18:17,299 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:18:17,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:18:17,300 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:18:17,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:18:17,326 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:18:17,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:18:17,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:17,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:18:17,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:17,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:18:17,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:17,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:18:17,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:17,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:18:17,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:18:17,420 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:18:17,420 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188576885] [2021-07-09 22:18:17,420 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188576885] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:18:17,420 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:18:17,420 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2021-07-09 22:18:17,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468097694] [2021-07-09 22:18:17,420 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-09 22:18:17,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:18:17,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-09 22:18:17,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=974, Unknown=0, NotChecked=0, Total=1056 [2021-07-09 22:18:17,421 INFO L87 Difference]: Start difference. First operand 596 states and 752 transitions. Second operand has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:18,527 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2021-07-09 22:18:18,709 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2021-07-09 22:18:18,979 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2021-07-09 22:18:19,428 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2021-07-09 22:18:19,831 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2021-07-09 22:18:19,981 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-07-09 22:18:20,162 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2021-07-09 22:18:20,355 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 78 [2021-07-09 22:18:20,518 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2021-07-09 22:18:20,741 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-09 22:18:21,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:18:21,474 INFO L93 Difference]: Finished difference Result 733 states and 929 transitions. [2021-07-09 22:18:21,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-09 22:18:21,475 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:18:21,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:18:21,475 INFO L225 Difference]: With dead ends: 733 [2021-07-09 22:18:21,475 INFO L226 Difference]: Without dead ends: 608 [2021-07-09 22:18:21,476 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 773 ImplicationChecksByTransitivity, 4046.7ms TimeCoverageRelationStatistics Valid=717, Invalid=3573, Unknown=0, NotChecked=0, Total=4290 [2021-07-09 22:18:21,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2021-07-09 22:18:21,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 583. [2021-07-09 22:18:21,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 582 states have (on average 1.268041237113402) internal successors, (738), 582 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:21,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 738 transitions. [2021-07-09 22:18:21,480 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 738 transitions. Word has length 120 [2021-07-09 22:18:21,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:18:21,481 INFO L482 AbstractCegarLoop]: Abstraction has 583 states and 738 transitions. [2021-07-09 22:18:21,481 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 3.6363636363636362) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:21,481 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 738 transitions. [2021-07-09 22:18:21,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:18:21,481 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:18:21,482 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:18:21,482 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-07-09 22:18:21,482 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:18:21,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:18:21,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1610543229, now seen corresponding path program 28 times [2021-07-09 22:18:21,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:18:21,482 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871718999] [2021-07-09 22:18:21,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:18:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:18:21,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:21,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:18:21,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:21,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:18:21,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:21,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:18:21,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:21,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:18:21,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:21,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:18:21,630 INFO L142 QuantifierPusher]: treesize reduction 42, result has 47.5 percent of original size [2021-07-09 22:18:21,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:18:21,657 INFO L142 QuantifierPusher]: treesize reduction 45, result has 57.5 percent of original size [2021-07-09 22:18:21,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-07-09 22:18:21,711 INFO L142 QuantifierPusher]: treesize reduction 42, result has 66.9 percent of original size [2021-07-09 22:18:21,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-07-09 22:18:21,762 INFO L142 QuantifierPusher]: treesize reduction 12, result has 83.3 percent of original size [2021-07-09 22:18:21,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-09 22:18:21,789 INFO L142 QuantifierPusher]: treesize reduction 12, result has 83.6 percent of original size [2021-07-09 22:18:21,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-07-09 22:18:21,820 INFO L142 QuantifierPusher]: treesize reduction 12, result has 80.6 percent of original size [2021-07-09 22:18:21,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-09 22:18:21,850 INFO L142 QuantifierPusher]: treesize reduction 20, result has 77.3 percent of original size [2021-07-09 22:18:21,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-07-09 22:18:21,889 INFO L142 QuantifierPusher]: treesize reduction 20, result has 77.3 percent of original size [2021-07-09 22:18:21,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-07-09 22:18:21,930 INFO L142 QuantifierPusher]: treesize reduction 20, result has 77.3 percent of original size [2021-07-09 22:18:21,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-07-09 22:18:21,986 INFO L142 QuantifierPusher]: treesize reduction 20, result has 77.3 percent of original size [2021-07-09 22:18:21,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-07-09 22:18:22,030 INFO L142 QuantifierPusher]: treesize reduction 16, result has 83.5 percent of original size [2021-07-09 22:18:22,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-07-09 22:18:22,078 INFO L142 QuantifierPusher]: treesize reduction 16, result has 84.5 percent of original size [2021-07-09 22:18:22,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-07-09 22:18:22,097 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.6 percent of original size [2021-07-09 22:18:22,098 INFO L147 QuantifierPusher]: treesize reduction 5, result has 87.2 percent of original size 34 [2021-07-09 22:18:22,129 INFO L142 QuantifierPusher]: treesize reduction 37, result has 47.1 percent of original size [2021-07-09 22:18:22,129 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.8 percent of original size 28 [2021-07-09 22:18:22,160 INFO L142 QuantifierPusher]: treesize reduction 16, result has 82.0 percent of original size [2021-07-09 22:18:22,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-07-09 22:18:22,202 INFO L142 QuantifierPusher]: treesize reduction 16, result has 82.0 percent of original size [2021-07-09 22:18:22,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-07-09 22:18:22,249 INFO L142 QuantifierPusher]: treesize reduction 16, result has 81.8 percent of original size [2021-07-09 22:18:22,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-07-09 22:18:22,315 INFO L142 QuantifierPusher]: treesize reduction 16, result has 81.8 percent of original size [2021-07-09 22:18:22,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-07-09 22:18:22,361 INFO L142 QuantifierPusher]: treesize reduction 16, result has 81.8 percent of original size [2021-07-09 22:18:22,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-07-09 22:18:22,420 INFO L142 QuantifierPusher]: treesize reduction 16, result has 81.8 percent of original size [2021-07-09 22:18:22,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-07-09 22:18:22,470 INFO L142 QuantifierPusher]: treesize reduction 60, result has 56.8 percent of original size [2021-07-09 22:18:22,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-07-09 22:18:22,533 INFO L142 QuantifierPusher]: treesize reduction 16, result has 79.5 percent of original size [2021-07-09 22:18:22,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-07-09 22:18:22,580 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.6 percent of original size [2021-07-09 22:18:22,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-07-09 22:18:22,607 INFO L142 QuantifierPusher]: treesize reduction 37, result has 51.3 percent of original size [2021-07-09 22:18:22,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:18:22,652 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:18:22,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:18:22,682 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:18:22,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:18:22,683 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:18:22,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:18:22,710 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:18:22,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:18:22,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:22,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:18:22,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:22,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:18:22,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:22,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:18:22,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:22,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:18:22,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:18:22,807 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:18:22,807 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871718999] [2021-07-09 22:18:22,807 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871718999] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:18:22,807 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:18:22,807 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-07-09 22:18:22,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269485144] [2021-07-09 22:18:22,807 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-09 22:18:22,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:18:22,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-09 22:18:22,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1035, Unknown=0, NotChecked=0, Total=1122 [2021-07-09 22:18:22,808 INFO L87 Difference]: Start difference. First operand 583 states and 738 transitions. Second operand has 34 states, 34 states have (on average 3.5294117647058822) internal successors, (120), 34 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:23,887 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 62 [2021-07-09 22:18:24,063 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 64 [2021-07-09 22:18:24,921 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 64 [2021-07-09 22:18:25,100 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 68 [2021-07-09 22:18:25,296 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 72 [2021-07-09 22:18:25,472 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 70 [2021-07-09 22:18:25,807 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 72 [2021-07-09 22:18:26,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:18:26,564 INFO L93 Difference]: Finished difference Result 733 states and 935 transitions. [2021-07-09 22:18:26,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-09 22:18:26,564 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 3.5294117647058822) internal successors, (120), 34 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:18:26,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:18:26,565 INFO L225 Difference]: With dead ends: 733 [2021-07-09 22:18:26,565 INFO L226 Difference]: Without dead ends: 549 [2021-07-09 22:18:26,565 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 838 ImplicationChecksByTransitivity, 3870.6ms TimeCoverageRelationStatistics Valid=690, Invalid=3600, Unknown=0, NotChecked=0, Total=4290 [2021-07-09 22:18:26,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2021-07-09 22:18:26,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 549. [2021-07-09 22:18:26,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 548 states have (on average 1.2773722627737227) internal successors, (700), 548 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:26,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 700 transitions. [2021-07-09 22:18:26,570 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 700 transitions. Word has length 120 [2021-07-09 22:18:26,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:18:26,570 INFO L482 AbstractCegarLoop]: Abstraction has 549 states and 700 transitions. [2021-07-09 22:18:26,570 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 3.5294117647058822) internal successors, (120), 34 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:26,570 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 700 transitions. [2021-07-09 22:18:26,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:18:26,571 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:18:26,571 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:18:26,571 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-07-09 22:18:26,571 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:18:26,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:18:26,571 INFO L82 PathProgramCache]: Analyzing trace with hash 2135710397, now seen corresponding path program 29 times [2021-07-09 22:18:26,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:18:26,571 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386915611] [2021-07-09 22:18:26,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:18:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:18:26,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:26,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:18:26,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:26,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:18:26,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:26,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:18:26,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:26,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:18:26,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:26,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:18:26,716 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-07-09 22:18:26,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 22:18:26,739 INFO L142 QuantifierPusher]: treesize reduction 20, result has 67.7 percent of original size [2021-07-09 22:18:26,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:18:26,776 INFO L142 QuantifierPusher]: treesize reduction 20, result has 71.8 percent of original size [2021-07-09 22:18:26,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:18:26,817 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.9 percent of original size [2021-07-09 22:18:26,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:18:26,847 INFO L142 QuantifierPusher]: treesize reduction 12, result has 78.6 percent of original size [2021-07-09 22:18:26,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:18:26,877 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-07-09 22:18:26,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:18:26,906 INFO L142 QuantifierPusher]: treesize reduction 16, result has 75.0 percent of original size [2021-07-09 22:18:26,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-09 22:18:26,945 INFO L142 QuantifierPusher]: treesize reduction 16, result has 76.5 percent of original size [2021-07-09 22:18:26,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 22:18:26,982 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-09 22:18:26,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:18:27,017 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-09 22:18:27,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:18:27,052 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-09 22:18:27,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:18:27,121 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-09 22:18:27,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:18:27,182 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-09 22:18:27,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:18:27,226 INFO L142 QuantifierPusher]: treesize reduction 41, result has 61.0 percent of original size [2021-07-09 22:18:27,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-09 22:18:27,283 INFO L142 QuantifierPusher]: treesize reduction 41, result has 59.0 percent of original size [2021-07-09 22:18:27,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-09 22:18:27,306 INFO L142 QuantifierPusher]: treesize reduction 46, result has 53.5 percent of original size [2021-07-09 22:18:27,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-09 22:18:27,360 INFO L142 QuantifierPusher]: treesize reduction 41, result has 59.0 percent of original size [2021-07-09 22:18:27,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-09 22:18:27,417 INFO L142 QuantifierPusher]: treesize reduction 41, result has 58.6 percent of original size [2021-07-09 22:18:27,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-09 22:18:27,475 INFO L142 QuantifierPusher]: treesize reduction 41, result has 58.6 percent of original size [2021-07-09 22:18:27,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-09 22:18:27,536 INFO L142 QuantifierPusher]: treesize reduction 41, result has 58.6 percent of original size [2021-07-09 22:18:27,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-09 22:18:27,598 INFO L142 QuantifierPusher]: treesize reduction 41, result has 58.6 percent of original size [2021-07-09 22:18:27,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-09 22:18:27,662 INFO L142 QuantifierPusher]: treesize reduction 58, result has 58.0 percent of original size [2021-07-09 22:18:27,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-07-09 22:18:27,741 INFO L142 QuantifierPusher]: treesize reduction 31, result has 58.1 percent of original size [2021-07-09 22:18:27,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:18:27,793 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-09 22:18:27,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:18:27,825 INFO L142 QuantifierPusher]: treesize reduction 41, result has 43.8 percent of original size [2021-07-09 22:18:27,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:18:27,872 INFO L142 QuantifierPusher]: treesize reduction 29, result has 56.7 percent of original size [2021-07-09 22:18:27,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:18:27,922 INFO L142 QuantifierPusher]: treesize reduction 29, result has 56.7 percent of original size [2021-07-09 22:18:27,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:18:27,923 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 22:18:27,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:18:27,956 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:18:27,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:18:27,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:27,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:18:28,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:28,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:18:28,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:28,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:18:28,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:28,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:18:28,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:18:28,076 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:18:28,076 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386915611] [2021-07-09 22:18:28,076 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386915611] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:18:28,076 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:18:28,076 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:18:28,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093134871] [2021-07-09 22:18:28,077 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:18:28,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:18:28,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:18:28,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:18:28,077 INFO L87 Difference]: Start difference. First operand 549 states and 700 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:29,081 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 60 [2021-07-09 22:18:29,260 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 65 [2021-07-09 22:18:29,450 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 69 [2021-07-09 22:18:29,661 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 75 [2021-07-09 22:18:29,902 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-07-09 22:18:30,597 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2021-07-09 22:18:30,775 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2021-07-09 22:18:31,005 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2021-07-09 22:18:31,237 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 82 [2021-07-09 22:18:31,446 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 80 [2021-07-09 22:18:31,862 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 82 [2021-07-09 22:18:32,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:18:32,745 INFO L93 Difference]: Finished difference Result 661 states and 850 transitions. [2021-07-09 22:18:32,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-09 22:18:32,745 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:18:32,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:18:32,746 INFO L225 Difference]: With dead ends: 661 [2021-07-09 22:18:32,746 INFO L226 Difference]: Without dead ends: 537 [2021-07-09 22:18:32,746 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 635 ImplicationChecksByTransitivity, 4954.7ms TimeCoverageRelationStatistics Valid=667, Invalid=3623, Unknown=0, NotChecked=0, Total=4290 [2021-07-09 22:18:32,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2021-07-09 22:18:32,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2021-07-09 22:18:32,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 536 states have (on average 1.2611940298507462) internal successors, (676), 536 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:32,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 676 transitions. [2021-07-09 22:18:32,750 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 676 transitions. Word has length 120 [2021-07-09 22:18:32,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:18:32,751 INFO L482 AbstractCegarLoop]: Abstraction has 537 states and 676 transitions. [2021-07-09 22:18:32,751 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:32,751 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 676 transitions. [2021-07-09 22:18:32,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:18:32,751 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:18:32,751 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:18:32,752 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-07-09 22:18:32,752 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:18:32,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:18:32,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1197257123, now seen corresponding path program 30 times [2021-07-09 22:18:32,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:18:32,752 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529977051] [2021-07-09 22:18:32,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:18:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:18:33,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:33,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:18:33,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:33,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:18:33,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:33,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:18:33,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:33,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:18:33,043 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-07-09 22:18:33,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:18:33,064 INFO L142 QuantifierPusher]: treesize reduction 22, result has 62.1 percent of original size [2021-07-09 22:18:33,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:18:33,104 INFO L142 QuantifierPusher]: treesize reduction 25, result has 67.1 percent of original size [2021-07-09 22:18:33,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:18:33,162 INFO L142 QuantifierPusher]: treesize reduction 25, result has 70.6 percent of original size [2021-07-09 22:18:33,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-09 22:18:33,223 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-09 22:18:33,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:18:33,242 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-09 22:18:33,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:18:33,260 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-09 22:18:33,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:18:33,277 INFO L142 QuantifierPusher]: treesize reduction 19, result has 65.5 percent of original size [2021-07-09 22:18:33,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:18:33,297 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-09 22:18:33,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:18:33,333 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:18:33,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:18:33,370 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:18:33,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:18:33,390 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:18:33,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:18:33,412 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:18:33,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:18:33,460 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:18:33,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:18:33,614 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-09 22:18:33,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:18:33,642 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.2 percent of original size [2021-07-09 22:18:33,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:18:33,659 INFO L142 QuantifierPusher]: treesize reduction 24, result has 53.8 percent of original size [2021-07-09 22:18:33,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:18:33,685 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-09 22:18:33,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:18:33,730 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-09 22:18:33,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:18:33,759 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-09 22:18:33,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:18:33,790 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-09 22:18:33,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:18:33,821 INFO L142 QuantifierPusher]: treesize reduction 47, result has 38.2 percent of original size [2021-07-09 22:18:33,822 INFO L147 QuantifierPusher]: treesize reduction 6, result has 79.3 percent of original size 23 [2021-07-09 22:18:33,864 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.8 percent of original size [2021-07-09 22:18:33,864 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-07-09 22:18:33,910 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:18:33,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:18:33,943 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:18:33,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:18:33,969 INFO L142 QuantifierPusher]: treesize reduction 24, result has 41.5 percent of original size [2021-07-09 22:18:33,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:18:33,999 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:18:33,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:18:34,031 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:18:34,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:18:34,032 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 22:18:34,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:18:34,062 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:18:34,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:18:34,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:34,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:18:34,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:34,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:18:34,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:34,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:18:34,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:34,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:18:34,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:18:34,173 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:18:34,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529977051] [2021-07-09 22:18:34,173 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529977051] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:18:34,173 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:18:34,173 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:18:34,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291033416] [2021-07-09 22:18:34,174 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:18:34,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:18:34,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:18:34,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1102, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:18:34,174 INFO L87 Difference]: Start difference. First operand 537 states and 676 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:35,196 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 60 [2021-07-09 22:18:35,341 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 64 [2021-07-09 22:18:35,498 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2021-07-09 22:18:35,687 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-09 22:18:36,023 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-09 22:18:36,235 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-09 22:18:36,667 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 82 [2021-07-09 22:18:37,171 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 86 [2021-07-09 22:18:37,435 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 90 [2021-07-09 22:18:37,586 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2021-07-09 22:18:37,768 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2021-07-09 22:18:37,931 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2021-07-09 22:18:38,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:18:38,952 INFO L93 Difference]: Finished difference Result 663 states and 847 transitions. [2021-07-09 22:18:38,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-09 22:18:38,952 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:18:38,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:18:38,957 INFO L225 Difference]: With dead ends: 663 [2021-07-09 22:18:38,958 INFO L226 Difference]: Without dead ends: 549 [2021-07-09 22:18:38,958 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 770 ImplicationChecksByTransitivity, 4992.1ms TimeCoverageRelationStatistics Valid=885, Invalid=4085, Unknown=0, NotChecked=0, Total=4970 [2021-07-09 22:18:38,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2021-07-09 22:18:38,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 542. [2021-07-09 22:18:38,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 541 states have (on average 1.266173752310536) internal successors, (685), 541 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:38,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 685 transitions. [2021-07-09 22:18:38,962 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 685 transitions. Word has length 120 [2021-07-09 22:18:38,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:18:38,962 INFO L482 AbstractCegarLoop]: Abstraction has 542 states and 685 transitions. [2021-07-09 22:18:38,962 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:38,962 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 685 transitions. [2021-07-09 22:18:38,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:18:38,963 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:18:38,963 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:18:38,963 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-07-09 22:18:38,963 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:18:38,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:18:38,964 INFO L82 PathProgramCache]: Analyzing trace with hash -112366679, now seen corresponding path program 31 times [2021-07-09 22:18:38,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:18:38,964 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150686295] [2021-07-09 22:18:38,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:18:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:18:39,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:39,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:18:39,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:39,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:18:39,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:39,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:18:39,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:39,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:18:39,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:39,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:18:39,096 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-09 22:18:39,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:18:39,120 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-09 22:18:39,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:18:39,158 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-09 22:18:39,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:18:39,196 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-09 22:18:39,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:18:39,213 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-09 22:18:39,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:18:39,231 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:18:39,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:18:39,249 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-09 22:18:39,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:18:39,270 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-09 22:18:39,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:18:39,291 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:18:39,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:18:39,311 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:18:39,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:18:39,331 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:18:39,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:18:39,353 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:18:39,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:18:39,375 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:18:39,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:18:39,398 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:18:39,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:18:39,425 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.8 percent of original size [2021-07-09 22:18:39,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:18:39,443 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.9 percent of original size [2021-07-09 22:18:39,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:18:39,468 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:18:39,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:18:39,495 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:18:39,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:18:39,524 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:18:39,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:18:39,566 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:18:39,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:18:39,597 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:18:39,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:18:39,629 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-09 22:18:39,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:18:39,663 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:18:39,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:18:39,695 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:18:39,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:18:39,719 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-09 22:18:39,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:18:39,748 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:18:39,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:18:39,780 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:18:39,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:18:39,781 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-09 22:18:39,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:18:39,811 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:18:39,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:18:39,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:39,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:18:39,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:39,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:18:39,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:39,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:18:39,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:39,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:18:39,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:18:39,917 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:18:39,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150686295] [2021-07-09 22:18:39,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150686295] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:18:39,917 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:18:39,917 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:18:39,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707955668] [2021-07-09 22:18:39,917 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:18:39,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:18:39,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:18:39,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:18:39,918 INFO L87 Difference]: Start difference. First operand 542 states and 685 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:41,078 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-07-09 22:18:41,242 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-09 22:18:41,441 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2021-07-09 22:18:41,789 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-07-09 22:18:42,010 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2021-07-09 22:18:42,457 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-07-09 22:18:42,987 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 88 [2021-07-09 22:18:43,160 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-09 22:18:43,310 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2021-07-09 22:18:43,493 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-09 22:18:44,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:18:44,606 INFO L93 Difference]: Finished difference Result 657 states and 839 transitions. [2021-07-09 22:18:44,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-09 22:18:44,606 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:18:44,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:18:44,607 INFO L225 Difference]: With dead ends: 657 [2021-07-09 22:18:44,607 INFO L226 Difference]: Without dead ends: 548 [2021-07-09 22:18:44,608 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 702 ImplicationChecksByTransitivity, 4579.1ms TimeCoverageRelationStatistics Valid=832, Invalid=3998, Unknown=0, NotChecked=0, Total=4830 [2021-07-09 22:18:44,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2021-07-09 22:18:44,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 541. [2021-07-09 22:18:44,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 540 states have (on average 1.2648148148148148) internal successors, (683), 540 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:44,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 683 transitions. [2021-07-09 22:18:44,612 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 683 transitions. Word has length 120 [2021-07-09 22:18:44,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:18:44,612 INFO L482 AbstractCegarLoop]: Abstraction has 541 states and 683 transitions. [2021-07-09 22:18:44,612 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:44,612 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 683 transitions. [2021-07-09 22:18:44,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:18:44,613 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:18:44,613 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:18:44,613 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-07-09 22:18:44,613 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:18:44,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:18:44,614 INFO L82 PathProgramCache]: Analyzing trace with hash 328264705, now seen corresponding path program 32 times [2021-07-09 22:18:44,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:18:44,614 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315868956] [2021-07-09 22:18:44,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:18:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:18:44,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:44,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:18:44,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:44,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:18:44,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:44,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:18:44,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:44,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:18:44,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:44,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:18:44,747 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-09 22:18:44,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:18:44,769 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-09 22:18:44,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:18:44,821 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-09 22:18:44,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:18:44,861 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-09 22:18:44,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:18:44,877 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-09 22:18:44,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:18:44,894 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:18:44,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:18:44,912 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-09 22:18:44,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:18:44,931 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-09 22:18:44,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:18:44,952 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:18:44,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:18:44,972 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:18:44,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:18:44,991 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:18:44,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:18:45,015 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:18:45,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:18:45,037 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:18:45,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:18:45,061 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:18:45,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:18:45,088 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.8 percent of original size [2021-07-09 22:18:45,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:18:45,105 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.9 percent of original size [2021-07-09 22:18:45,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:18:45,131 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:18:45,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:18:45,158 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:18:45,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:18:45,187 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:18:45,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:18:45,216 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:18:45,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:18:45,248 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:18:45,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:18:45,281 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-09 22:18:45,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:18:45,323 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:18:45,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:18:45,354 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:18:45,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:18:45,379 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-09 22:18:45,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:18:45,408 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:18:45,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:18:45,440 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:18:45,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:18:45,440 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-09 22:18:45,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:18:45,469 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:18:45,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:18:45,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:45,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:18:45,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:45,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:18:45,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:45,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:18:45,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:45,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:18:45,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:18:45,574 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:18:45,574 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315868956] [2021-07-09 22:18:45,574 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315868956] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:18:45,574 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:18:45,574 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:18:45,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264021683] [2021-07-09 22:18:45,574 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:18:45,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:18:45,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:18:45,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:18:45,575 INFO L87 Difference]: Start difference. First operand 541 states and 683 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:46,711 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-07-09 22:18:46,873 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-09 22:18:47,064 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2021-07-09 22:18:47,404 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-07-09 22:18:47,621 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2021-07-09 22:18:48,066 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-07-09 22:18:48,349 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-09 22:18:48,495 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2021-07-09 22:18:48,669 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-09 22:18:48,856 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-09 22:18:48,991 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-07-09 22:18:49,190 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-09 22:18:49,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:18:49,992 INFO L93 Difference]: Finished difference Result 658 states and 839 transitions. [2021-07-09 22:18:49,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-09 22:18:49,992 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:18:49,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:18:49,993 INFO L225 Difference]: With dead ends: 658 [2021-07-09 22:18:49,993 INFO L226 Difference]: Without dead ends: 546 [2021-07-09 22:18:49,993 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 685 ImplicationChecksByTransitivity, 4366.7ms TimeCoverageRelationStatistics Valid=786, Invalid=3906, Unknown=0, NotChecked=0, Total=4692 [2021-07-09 22:18:49,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2021-07-09 22:18:49,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 539. [2021-07-09 22:18:49,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 538 states have (on average 1.262081784386617) internal successors, (679), 538 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:49,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 679 transitions. [2021-07-09 22:18:49,998 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 679 transitions. Word has length 120 [2021-07-09 22:18:49,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:18:49,998 INFO L482 AbstractCegarLoop]: Abstraction has 539 states and 679 transitions. [2021-07-09 22:18:49,998 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:49,998 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 679 transitions. [2021-07-09 22:18:49,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:18:49,999 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:18:49,999 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:18:49,999 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-07-09 22:18:49,999 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:18:49,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:18:49,999 INFO L82 PathProgramCache]: Analyzing trace with hash 70160223, now seen corresponding path program 33 times [2021-07-09 22:18:49,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:18:49,999 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130949957] [2021-07-09 22:18:49,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:18:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:18:50,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:50,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:18:50,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:50,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:18:50,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:50,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:18:50,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:50,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:18:50,127 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-07-09 22:18:50,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:18:50,146 INFO L142 QuantifierPusher]: treesize reduction 22, result has 61.4 percent of original size [2021-07-09 22:18:50,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:18:50,180 INFO L142 QuantifierPusher]: treesize reduction 34, result has 59.5 percent of original size [2021-07-09 22:18:50,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-09 22:18:50,222 INFO L142 QuantifierPusher]: treesize reduction 30, result has 68.1 percent of original size [2021-07-09 22:18:50,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-09 22:18:50,269 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-09 22:18:50,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:18:50,287 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-09 22:18:50,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:18:50,303 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:18:50,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:18:50,320 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-09 22:18:50,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:18:50,339 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-09 22:18:50,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:18:50,358 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:18:50,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:18:50,397 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:18:50,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:18:50,417 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:18:50,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:18:50,440 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:18:50,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:18:50,465 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:18:50,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:18:50,491 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:18:50,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:18:50,520 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.8 percent of original size [2021-07-09 22:18:50,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:18:50,538 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.9 percent of original size [2021-07-09 22:18:50,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:18:50,565 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:18:50,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:18:50,593 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:18:50,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:18:50,623 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:18:50,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:18:50,655 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:18:50,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:18:50,686 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:18:50,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:18:50,718 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-09 22:18:50,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:18:50,751 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:18:50,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:18:50,782 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:18:50,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:18:50,806 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-09 22:18:50,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:18:50,834 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:18:50,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:18:50,865 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:18:50,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:18:50,866 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-09 22:18:50,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:18:50,894 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:18:50,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:18:50,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:50,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:18:50,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:50,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:18:50,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:50,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:18:50,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:50,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:18:50,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:18:50,996 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:18:50,996 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130949957] [2021-07-09 22:18:50,996 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130949957] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:18:50,996 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:18:50,996 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:18:50,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491665355] [2021-07-09 22:18:50,996 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:18:50,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:18:50,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:18:50,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1102, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:18:50,997 INFO L87 Difference]: Start difference. First operand 539 states and 679 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:52,116 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 64 [2021-07-09 22:18:52,274 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2021-07-09 22:18:52,460 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-09 22:18:52,797 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-09 22:18:53,017 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-09 22:18:53,628 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2021-07-09 22:18:53,809 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2021-07-09 22:18:53,999 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2021-07-09 22:18:54,147 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2021-07-09 22:18:54,360 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-07-09 22:18:55,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:18:55,123 INFO L93 Difference]: Finished difference Result 657 states and 836 transitions. [2021-07-09 22:18:55,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-09 22:18:55,123 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:18:55,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:18:55,124 INFO L225 Difference]: With dead ends: 657 [2021-07-09 22:18:55,124 INFO L226 Difference]: Without dead ends: 545 [2021-07-09 22:18:55,124 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 717 ImplicationChecksByTransitivity, 4071.2ms TimeCoverageRelationStatistics Valid=747, Invalid=3809, Unknown=0, NotChecked=0, Total=4556 [2021-07-09 22:18:55,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2021-07-09 22:18:55,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 538. [2021-07-09 22:18:55,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 537 states have (on average 1.260707635009311) internal successors, (677), 537 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:55,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 677 transitions. [2021-07-09 22:18:55,128 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 677 transitions. Word has length 120 [2021-07-09 22:18:55,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:18:55,129 INFO L482 AbstractCegarLoop]: Abstraction has 538 states and 677 transitions. [2021-07-09 22:18:55,129 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:55,129 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 677 transitions. [2021-07-09 22:18:55,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:18:55,129 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:18:55,129 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:18:55,130 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-07-09 22:18:55,130 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:18:55,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:18:55,130 INFO L82 PathProgramCache]: Analyzing trace with hash -218645267, now seen corresponding path program 34 times [2021-07-09 22:18:55,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:18:55,130 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997046946] [2021-07-09 22:18:55,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:18:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:18:55,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:55,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:18:55,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:55,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:18:55,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:55,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:18:55,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:55,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:18:55,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:55,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:18:55,267 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-09 22:18:55,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:18:55,288 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-09 22:18:55,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:18:55,320 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-09 22:18:55,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:18:55,358 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-09 22:18:55,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:18:55,376 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-09 22:18:55,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:18:55,394 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:18:55,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:18:55,412 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-09 22:18:55,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:18:55,432 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-09 22:18:55,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:18:55,452 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:18:55,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:18:55,473 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:18:55,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:18:55,493 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:18:55,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:18:55,515 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:18:55,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:18:55,538 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:18:55,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:18:55,562 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:18:55,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:18:55,589 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.8 percent of original size [2021-07-09 22:18:55,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:18:55,607 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.9 percent of original size [2021-07-09 22:18:55,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:18:55,633 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:18:55,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:18:55,660 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:18:55,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:18:55,695 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:18:55,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:18:55,729 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:18:55,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:18:55,761 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:18:55,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:18:55,794 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-09 22:18:55,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:18:55,828 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:18:55,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:18:55,861 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:18:55,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:18:55,886 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-09 22:18:55,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:18:55,915 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:18:55,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:18:55,947 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:18:55,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:18:55,948 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-09 22:18:55,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:18:55,977 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:18:55,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:18:56,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:56,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:18:56,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:56,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:18:56,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:56,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:18:56,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:18:56,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:18:56,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:18:56,090 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:18:56,090 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997046946] [2021-07-09 22:18:56,090 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997046946] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:18:56,090 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:18:56,090 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:18:56,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052649464] [2021-07-09 22:18:56,090 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:18:56,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:18:56,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:18:56,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:18:56,091 INFO L87 Difference]: Start difference. First operand 538 states and 677 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:18:57,267 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-07-09 22:18:57,431 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-09 22:18:57,625 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2021-07-09 22:18:57,989 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-07-09 22:18:58,535 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-09 22:18:58,721 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-09 22:18:58,905 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-09 22:18:59,069 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2021-07-09 22:18:59,301 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-09 22:19:00,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:19:00,109 INFO L93 Difference]: Finished difference Result 650 states and 827 transitions. [2021-07-09 22:19:00,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-09 22:19:00,109 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:19:00,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:19:00,110 INFO L225 Difference]: With dead ends: 650 [2021-07-09 22:19:00,110 INFO L226 Difference]: Without dead ends: 525 [2021-07-09 22:19:00,110 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 621 ImplicationChecksByTransitivity, 3915.8ms TimeCoverageRelationStatistics Valid=680, Invalid=3610, Unknown=0, NotChecked=0, Total=4290 [2021-07-09 22:19:00,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2021-07-09 22:19:00,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 525. [2021-07-09 22:19:00,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 524 states have (on average 1.2442748091603053) internal successors, (652), 524 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:00,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 652 transitions. [2021-07-09 22:19:00,115 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 652 transitions. Word has length 120 [2021-07-09 22:19:00,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:19:00,115 INFO L482 AbstractCegarLoop]: Abstraction has 525 states and 652 transitions. [2021-07-09 22:19:00,115 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:00,115 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 652 transitions. [2021-07-09 22:19:00,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:19:00,116 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:19:00,116 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:19:00,116 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-07-09 22:19:00,116 INFO L430 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:19:00,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:19:00,116 INFO L82 PathProgramCache]: Analyzing trace with hash 192010751, now seen corresponding path program 35 times [2021-07-09 22:19:00,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:19:00,116 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901331773] [2021-07-09 22:19:00,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:19:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:19:00,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:00,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:19:00,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:00,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:19:00,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:00,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:19:00,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:00,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:19:00,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:00,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:19:00,261 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-09 22:19:00,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:19:00,273 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-09 22:19:00,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:19:00,290 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-09 22:19:00,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:19:00,325 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-09 22:19:00,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:19:00,342 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-09 22:19:00,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:19:00,359 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-09 22:19:00,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:19:00,377 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-09 22:19:00,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:19:00,397 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-09 22:19:00,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:19:00,417 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:00,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:00,437 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:00,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:00,458 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:00,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:00,480 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:00,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:00,503 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:00,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:00,528 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-09 22:19:00,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:19:00,556 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.8 percent of original size [2021-07-09 22:19:00,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:19:00,575 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:19:00,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:19:00,629 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:19:00,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:19:00,671 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:19:00,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:19:00,715 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:19:00,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:19:00,770 INFO L142 QuantifierPusher]: treesize reduction 53, result has 38.4 percent of original size [2021-07-09 22:19:00,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:00,812 INFO L142 QuantifierPusher]: treesize reduction 55, result has 32.9 percent of original size [2021-07-09 22:19:00,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:19:00,853 INFO L142 QuantifierPusher]: treesize reduction 53, result has 38.4 percent of original size [2021-07-09 22:19:00,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:00,895 INFO L142 QuantifierPusher]: treesize reduction 26, result has 46.9 percent of original size [2021-07-09 22:19:00,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:00,926 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:19:00,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:19:00,952 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:19:00,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:00,953 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:19:00,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:19:00,982 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:19:00,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:01,020 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:19:01,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:19:01,049 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:19:01,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:19:01,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:01,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:19:01,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:01,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:19:01,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:01,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:19:01,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:01,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:19:01,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:19:01,158 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:19:01,158 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901331773] [2021-07-09 22:19:01,158 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901331773] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:19:01,158 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:19:01,158 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:19:01,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269568598] [2021-07-09 22:19:01,158 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:19:01,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:19:01,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:19:01,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:19:01,159 INFO L87 Difference]: Start difference. First operand 525 states and 652 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:02,305 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 67 [2021-07-09 22:19:02,468 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2021-07-09 22:19:02,733 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2021-07-09 22:19:03,018 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-07-09 22:19:03,261 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2021-07-09 22:19:03,578 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-07-09 22:19:03,854 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 91 [2021-07-09 22:19:04,139 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-09 22:19:05,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:19:05,354 INFO L93 Difference]: Finished difference Result 658 states and 840 transitions. [2021-07-09 22:19:05,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-09 22:19:05,354 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:19:05,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:19:05,355 INFO L225 Difference]: With dead ends: 658 [2021-07-09 22:19:05,355 INFO L226 Difference]: Without dead ends: 547 [2021-07-09 22:19:05,355 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 558 ImplicationChecksByTransitivity, 4184.4ms TimeCoverageRelationStatistics Valid=729, Invalid=3431, Unknown=0, NotChecked=0, Total=4160 [2021-07-09 22:19:05,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2021-07-09 22:19:05,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 530. [2021-07-09 22:19:05,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 529 states have (on average 1.2589792060491494) internal successors, (666), 529 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:05,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 666 transitions. [2021-07-09 22:19:05,360 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 666 transitions. Word has length 120 [2021-07-09 22:19:05,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:19:05,360 INFO L482 AbstractCegarLoop]: Abstraction has 530 states and 666 transitions. [2021-07-09 22:19:05,360 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:05,360 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 666 transitions. [2021-07-09 22:19:05,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:19:05,361 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:19:05,361 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:19:05,361 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-07-09 22:19:05,361 INFO L430 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:19:05,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:19:05,361 INFO L82 PathProgramCache]: Analyzing trace with hash 540147521, now seen corresponding path program 36 times [2021-07-09 22:19:05,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:19:05,361 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091732801] [2021-07-09 22:19:05,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:19:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:19:05,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:05,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:19:05,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:05,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:19:05,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:05,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:19:05,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:05,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:19:05,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:05,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:19:05,490 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-09 22:19:05,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:19:05,502 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-09 22:19:05,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:19:05,522 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-09 22:19:05,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:19:05,564 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-09 22:19:05,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:19:05,583 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-09 22:19:05,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:19:05,602 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-09 22:19:05,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:19:05,621 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-09 22:19:05,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:19:05,644 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-09 22:19:05,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:19:05,666 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:05,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:05,688 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:05,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:05,710 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:05,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:05,734 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:05,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:05,759 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:05,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:05,785 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-09 22:19:05,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:19:05,814 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.8 percent of original size [2021-07-09 22:19:05,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:19:05,834 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:19:05,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:19:05,892 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:19:05,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:19:05,946 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:19:05,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:19:05,993 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:19:05,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:19:06,052 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:19:06,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:19:06,107 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-09 22:19:06,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:19:06,147 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-09 22:19:06,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:06,189 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-09 22:19:06,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:06,219 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:19:06,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:19:06,245 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:19:06,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:06,246 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:19:06,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:19:06,275 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:19:06,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:06,306 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:19:06,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:19:06,335 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:19:06,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:19:06,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:06,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:19:06,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:06,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:19:06,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:06,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:19:06,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:06,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:19:06,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:19:06,440 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:19:06,440 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091732801] [2021-07-09 22:19:06,441 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091732801] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:19:06,441 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:19:06,441 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:19:06,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321587733] [2021-07-09 22:19:06,441 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:19:06,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:19:06,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:19:06,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:19:06,442 INFO L87 Difference]: Start difference. First operand 530 states and 666 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:07,604 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 67 [2021-07-09 22:19:07,771 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2021-07-09 22:19:08,036 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2021-07-09 22:19:08,318 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-07-09 22:19:08,566 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2021-07-09 22:19:08,881 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-07-09 22:19:09,152 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 89 [2021-07-09 22:19:09,427 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-09 22:19:10,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:19:10,859 INFO L93 Difference]: Finished difference Result 661 states and 843 transitions. [2021-07-09 22:19:10,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 22:19:10,860 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:19:10,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:19:10,860 INFO L225 Difference]: With dead ends: 661 [2021-07-09 22:19:10,860 INFO L226 Difference]: Without dead ends: 550 [2021-07-09 22:19:10,861 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 610 ImplicationChecksByTransitivity, 4437.7ms TimeCoverageRelationStatistics Valid=767, Invalid=3655, Unknown=0, NotChecked=0, Total=4422 [2021-07-09 22:19:10,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2021-07-09 22:19:10,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 531. [2021-07-09 22:19:10,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 530 states have (on average 1.2566037735849056) internal successors, (666), 530 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:10,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 666 transitions. [2021-07-09 22:19:10,865 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 666 transitions. Word has length 120 [2021-07-09 22:19:10,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:19:10,865 INFO L482 AbstractCegarLoop]: Abstraction has 531 states and 666 transitions. [2021-07-09 22:19:10,865 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:10,865 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 666 transitions. [2021-07-09 22:19:10,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:19:10,866 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:19:10,866 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:19:10,866 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-07-09 22:19:10,866 INFO L430 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:19:10,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:19:10,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1851466593, now seen corresponding path program 37 times [2021-07-09 22:19:10,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:19:10,866 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413523910] [2021-07-09 22:19:10,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:19:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:19:10,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:10,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:19:10,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:10,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:19:10,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:10,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:19:10,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:10,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:19:10,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:10,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:19:11,005 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-09 22:19:11,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:19:11,030 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-09 22:19:11,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:19:11,070 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-09 22:19:11,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:19:11,111 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-09 22:19:11,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:19:11,130 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-09 22:19:11,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:19:11,150 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:19:11,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:19:11,169 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-09 22:19:11,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:19:11,191 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-09 22:19:11,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:19:11,214 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:19:11,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:11,236 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:19:11,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:11,258 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:19:11,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:11,280 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:19:11,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:11,304 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:19:11,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:11,327 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:19:11,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:19:11,355 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.8 percent of original size [2021-07-09 22:19:11,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:19:11,373 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:19:11,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:11,400 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:19:11,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:11,429 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:19:11,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:11,459 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:19:11,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:11,489 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:19:11,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:19:11,520 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:19:11,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:11,553 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-09 22:19:11,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:19:11,588 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:19:11,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:19:11,621 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:19:11,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:11,646 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-09 22:19:11,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:19:11,676 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:19:11,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:11,714 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:19:11,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:11,715 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-09 22:19:11,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:19:11,745 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:19:11,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:19:11,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:11,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:19:11,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:11,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:19:11,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:11,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:19:11,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:11,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:19:11,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:19:11,852 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:19:11,853 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413523910] [2021-07-09 22:19:11,853 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413523910] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:19:11,853 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:19:11,853 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:19:11,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300906968] [2021-07-09 22:19:11,853 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:19:11,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:19:11,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:19:11,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:19:11,854 INFO L87 Difference]: Start difference. First operand 531 states and 666 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:13,006 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-07-09 22:19:13,170 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-09 22:19:13,441 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-07-09 22:19:13,718 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-09 22:19:13,960 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-09 22:19:14,274 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 86 [2021-07-09 22:19:14,531 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 88 [2021-07-09 22:19:15,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:19:15,896 INFO L93 Difference]: Finished difference Result 655 states and 834 transitions. [2021-07-09 22:19:15,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-09 22:19:15,896 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:19:15,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:19:15,897 INFO L225 Difference]: With dead ends: 655 [2021-07-09 22:19:15,897 INFO L226 Difference]: Without dead ends: 545 [2021-07-09 22:19:15,897 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 570 ImplicationChecksByTransitivity, 3987.3ms TimeCoverageRelationStatistics Valid=704, Invalid=3456, Unknown=0, NotChecked=0, Total=4160 [2021-07-09 22:19:15,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2021-07-09 22:19:15,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 529. [2021-07-09 22:19:15,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 528 states have (on average 1.2556818181818181) internal successors, (663), 528 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:15,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 663 transitions. [2021-07-09 22:19:15,901 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 663 transitions. Word has length 120 [2021-07-09 22:19:15,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:19:15,902 INFO L482 AbstractCegarLoop]: Abstraction has 529 states and 663 transitions. [2021-07-09 22:19:15,902 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:15,902 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 663 transitions. [2021-07-09 22:19:15,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:19:15,902 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:19:15,902 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:19:15,902 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-07-09 22:19:15,903 INFO L430 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:19:15,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:19:15,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1729476095, now seen corresponding path program 38 times [2021-07-09 22:19:15,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:19:15,903 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390877426] [2021-07-09 22:19:15,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:19:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:19:16,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:16,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:19:16,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:16,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:19:16,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:16,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:19:16,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:16,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:19:16,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:16,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:19:16,034 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-09 22:19:16,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:19:16,045 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-09 22:19:16,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:19:16,063 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-09 22:19:16,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:19:16,100 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-09 22:19:16,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:19:16,118 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-09 22:19:16,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:19:16,136 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-09 22:19:16,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:19:16,154 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-09 22:19:16,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:19:16,174 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-09 22:19:16,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:19:16,195 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:16,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:16,216 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:16,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:16,237 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:16,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:16,259 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:16,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:16,282 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:16,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:16,306 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-09 22:19:16,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:19:16,333 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.8 percent of original size [2021-07-09 22:19:16,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:19:16,352 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:19:16,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:19:16,403 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:19:16,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:19:16,446 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:19:16,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:19:16,490 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:19:16,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:19:16,533 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:19:16,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:19:16,598 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-09 22:19:16,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:19:16,639 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-09 22:19:16,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:16,681 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-09 22:19:16,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:16,712 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:19:16,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:19:16,738 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:19:16,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:16,738 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:19:16,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:19:16,768 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:19:16,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:16,799 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:19:16,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:19:16,828 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:19:16,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:19:16,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:16,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:19:16,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:16,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:19:16,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:16,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:19:16,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:16,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:19:16,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:19:16,937 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:19:16,937 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390877426] [2021-07-09 22:19:16,937 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390877426] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:19:16,937 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:19:16,937 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:19:16,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637375046] [2021-07-09 22:19:16,937 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:19:16,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:19:16,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:19:16,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:19:16,938 INFO L87 Difference]: Start difference. First operand 529 states and 663 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:17,951 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 63 [2021-07-09 22:19:18,102 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 67 [2021-07-09 22:19:18,265 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2021-07-09 22:19:18,538 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2021-07-09 22:19:18,820 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-07-09 22:19:19,067 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2021-07-09 22:19:19,346 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 85 [2021-07-09 22:19:19,728 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 89 [2021-07-09 22:19:20,003 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-09 22:19:20,291 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-07-09 22:19:21,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:19:21,513 INFO L93 Difference]: Finished difference Result 665 states and 847 transitions. [2021-07-09 22:19:21,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-09 22:19:21,513 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:19:21,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:19:21,514 INFO L225 Difference]: With dead ends: 665 [2021-07-09 22:19:21,514 INFO L226 Difference]: Without dead ends: 551 [2021-07-09 22:19:21,514 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 635 ImplicationChecksByTransitivity, 4521.5ms TimeCoverageRelationStatistics Valid=791, Invalid=3765, Unknown=0, NotChecked=0, Total=4556 [2021-07-09 22:19:21,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2021-07-09 22:19:21,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 532. [2021-07-09 22:19:21,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 531 states have (on average 1.2542372881355932) internal successors, (666), 531 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:21,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 666 transitions. [2021-07-09 22:19:21,518 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 666 transitions. Word has length 120 [2021-07-09 22:19:21,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:19:21,518 INFO L482 AbstractCegarLoop]: Abstraction has 532 states and 666 transitions. [2021-07-09 22:19:21,519 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:21,519 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 666 transitions. [2021-07-09 22:19:21,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:19:21,519 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:19:21,519 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:19:21,519 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-07-09 22:19:21,520 INFO L430 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:19:21,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:19:21,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1974522587, now seen corresponding path program 39 times [2021-07-09 22:19:21,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:19:21,520 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553736067] [2021-07-09 22:19:21,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:19:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:19:21,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:21,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:19:21,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:21,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:19:21,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:21,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:19:21,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:21,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:19:21,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:21,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:19:21,656 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-09 22:19:21,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:19:21,678 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-09 22:19:21,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:19:21,710 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-09 22:19:21,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:19:21,747 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-09 22:19:21,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:19:21,764 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-09 22:19:21,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:19:21,782 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:19:21,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:19:21,799 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-09 22:19:21,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:19:21,819 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-09 22:19:21,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:19:21,840 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:19:21,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:21,860 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:19:21,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:21,881 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:19:21,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:21,902 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:19:21,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:21,925 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:19:21,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:21,949 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:19:21,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:19:21,977 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.8 percent of original size [2021-07-09 22:19:21,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:19:21,996 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:19:22,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:22,029 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:19:22,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:22,058 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:19:22,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:22,088 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:19:22,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:19:22,119 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:19:22,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:19:22,149 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:19:22,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:22,182 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-09 22:19:22,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:19:22,217 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:19:22,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:19:22,249 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:19:22,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:22,274 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-09 22:19:22,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:19:22,304 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:19:22,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:22,343 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:19:22,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:22,344 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-09 22:19:22,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:19:22,373 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:19:22,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:19:22,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:22,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:19:22,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:22,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:19:22,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:22,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:19:22,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:22,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:19:22,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:19:22,480 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:19:22,480 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553736067] [2021-07-09 22:19:22,480 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553736067] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:19:22,480 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:19:22,480 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:19:22,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80402184] [2021-07-09 22:19:22,480 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:19:22,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:19:22,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:19:22,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:19:22,481 INFO L87 Difference]: Start difference. First operand 532 states and 666 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:23,626 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-07-09 22:19:23,790 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-09 22:19:24,069 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-07-09 22:19:24,348 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-09 22:19:24,585 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-09 22:19:24,844 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 84 [2021-07-09 22:19:25,220 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 88 [2021-07-09 22:19:25,625 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-09 22:19:26,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:19:26,720 INFO L93 Difference]: Finished difference Result 659 states and 838 transitions. [2021-07-09 22:19:26,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 22:19:26,720 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:19:26,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:19:26,721 INFO L225 Difference]: With dead ends: 659 [2021-07-09 22:19:26,721 INFO L226 Difference]: Without dead ends: 550 [2021-07-09 22:19:26,721 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 620 ImplicationChecksByTransitivity, 4190.2ms TimeCoverageRelationStatistics Valid=745, Invalid=3677, Unknown=0, NotChecked=0, Total=4422 [2021-07-09 22:19:26,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2021-07-09 22:19:26,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 531. [2021-07-09 22:19:26,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 530 states have (on average 1.2528301886792452) internal successors, (664), 530 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:26,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 664 transitions. [2021-07-09 22:19:26,725 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 664 transitions. Word has length 120 [2021-07-09 22:19:26,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:19:26,725 INFO L482 AbstractCegarLoop]: Abstraction has 531 states and 664 transitions. [2021-07-09 22:19:26,725 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:26,726 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 664 transitions. [2021-07-09 22:19:26,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:19:26,726 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:19:26,726 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:19:26,726 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-07-09 22:19:26,727 INFO L430 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:19:26,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:19:26,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1533891203, now seen corresponding path program 40 times [2021-07-09 22:19:26,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:19:26,727 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564649078] [2021-07-09 22:19:26,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:19:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:19:26,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:26,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:19:26,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:26,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:19:26,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:26,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:19:26,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:26,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:19:26,855 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-07-09 22:19:26,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:19:26,874 INFO L142 QuantifierPusher]: treesize reduction 22, result has 62.1 percent of original size [2021-07-09 22:19:26,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:19:26,899 INFO L142 QuantifierPusher]: treesize reduction 20, result has 71.8 percent of original size [2021-07-09 22:19:26,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:19:26,936 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.0 percent of original size [2021-07-09 22:19:26,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-09 22:19:26,977 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-09 22:19:26,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:19:26,993 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-09 22:19:26,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:19:27,009 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-09 22:19:27,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:19:27,025 INFO L142 QuantifierPusher]: treesize reduction 19, result has 65.5 percent of original size [2021-07-09 22:19:27,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:19:27,044 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-09 22:19:27,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:19:27,063 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:19:27,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:27,082 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:19:27,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:27,102 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:19:27,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:27,123 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:19:27,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:27,145 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:19:27,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:27,177 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-09 22:19:27,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:19:27,203 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.2 percent of original size [2021-07-09 22:19:27,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:19:27,219 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:27,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:27,245 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:27,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:27,272 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:27,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:27,300 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-09 22:19:27,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:19:27,329 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:27,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:27,359 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:27,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:27,390 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.8 percent of original size [2021-07-09 22:19:27,390 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-07-09 22:19:27,434 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:19:27,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:19:27,465 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:19:27,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:27,488 INFO L142 QuantifierPusher]: treesize reduction 24, result has 41.5 percent of original size [2021-07-09 22:19:27,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:19:27,517 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:19:27,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:27,547 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:19:27,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:27,547 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 22:19:27,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:19:27,575 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:19:27,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:19:27,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:27,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:19:27,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:27,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:19:27,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:27,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:19:27,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:27,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:19:27,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:19:27,677 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:19:27,677 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564649078] [2021-07-09 22:19:27,677 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564649078] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:19:27,677 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:19:27,677 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:19:27,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812316433] [2021-07-09 22:19:27,677 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:19:27,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:19:27,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:19:27,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1102, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:19:27,678 INFO L87 Difference]: Start difference. First operand 531 states and 664 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:28,815 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 64 [2021-07-09 22:19:28,977 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2021-07-09 22:19:29,252 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2021-07-09 22:19:29,521 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2021-07-09 22:19:29,766 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 80 [2021-07-09 22:19:30,030 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-09 22:19:30,471 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-07-09 22:19:30,804 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-07-09 22:19:31,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:19:31,579 INFO L93 Difference]: Finished difference Result 655 states and 832 transitions. [2021-07-09 22:19:31,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-09 22:19:31,580 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:19:31,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:19:31,580 INFO L225 Difference]: With dead ends: 655 [2021-07-09 22:19:31,580 INFO L226 Difference]: Without dead ends: 541 [2021-07-09 22:19:31,581 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630 ImplicationChecksByTransitivity, 3763.4ms TimeCoverageRelationStatistics Valid=687, Invalid=3473, Unknown=0, NotChecked=0, Total=4160 [2021-07-09 22:19:31,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2021-07-09 22:19:31,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 527. [2021-07-09 22:19:31,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 526 states have (on average 1.2490494296577948) internal successors, (657), 526 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:31,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 657 transitions. [2021-07-09 22:19:31,585 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 657 transitions. Word has length 120 [2021-07-09 22:19:31,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:19:31,585 INFO L482 AbstractCegarLoop]: Abstraction has 527 states and 657 transitions. [2021-07-09 22:19:31,585 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:31,585 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 657 transitions. [2021-07-09 22:19:31,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:19:31,586 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:19:31,586 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:19:31,586 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-07-09 22:19:31,586 INFO L430 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:19:31,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:19:31,586 INFO L82 PathProgramCache]: Analyzing trace with hash 2063835647, now seen corresponding path program 41 times [2021-07-09 22:19:31,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:19:31,587 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152606694] [2021-07-09 22:19:31,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:19:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:19:31,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:31,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:19:31,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:31,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:19:31,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:31,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:19:31,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:31,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:19:31,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:31,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:19:31,712 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-09 22:19:31,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:19:31,724 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-09 22:19:31,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:19:31,742 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-09 22:19:31,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:19:31,776 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-09 22:19:31,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:19:31,793 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-09 22:19:31,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:19:31,810 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-09 22:19:31,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:19:31,828 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-09 22:19:31,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:19:31,847 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-09 22:19:31,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:19:31,868 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:31,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:31,888 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:31,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:31,908 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:31,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:31,929 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:31,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:31,952 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:31,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:31,975 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-09 22:19:31,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:19:32,003 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.8 percent of original size [2021-07-09 22:19:32,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:19:32,020 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:19:32,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:19:32,072 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:19:32,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:19:32,115 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:19:32,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:19:32,164 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:19:32,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:19:32,207 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:19:32,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:19:32,262 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-09 22:19:32,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:19:32,301 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-09 22:19:32,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:32,343 INFO L142 QuantifierPusher]: treesize reduction 26, result has 46.9 percent of original size [2021-07-09 22:19:32,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:32,373 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:19:32,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:19:32,399 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:19:32,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:32,400 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:19:32,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:19:32,429 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:19:32,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:32,462 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:19:32,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:19:32,493 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:19:32,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:19:32,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:32,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:19:32,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:32,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:19:32,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:32,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:19:32,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:32,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:19:32,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:19:32,598 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:19:32,598 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152606694] [2021-07-09 22:19:32,599 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152606694] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:19:32,599 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:19:32,599 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:19:32,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128737551] [2021-07-09 22:19:32,599 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:19:32,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:19:32,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:19:32,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:19:32,599 INFO L87 Difference]: Start difference. First operand 527 states and 657 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:33,747 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 67 [2021-07-09 22:19:33,913 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2021-07-09 22:19:34,169 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2021-07-09 22:19:34,451 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-07-09 22:19:34,686 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 81 [2021-07-09 22:19:34,939 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 85 [2021-07-09 22:19:35,443 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 89 [2021-07-09 22:19:35,719 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-09 22:19:36,035 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2021-07-09 22:19:36,186 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2021-07-09 22:19:37,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:19:37,253 INFO L93 Difference]: Finished difference Result 664 states and 843 transitions. [2021-07-09 22:19:37,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-09 22:19:37,254 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:19:37,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:19:37,254 INFO L225 Difference]: With dead ends: 664 [2021-07-09 22:19:37,254 INFO L226 Difference]: Without dead ends: 550 [2021-07-09 22:19:37,254 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 4655.1ms TimeCoverageRelationStatistics Valid=818, Invalid=3874, Unknown=0, NotChecked=0, Total=4692 [2021-07-09 22:19:37,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2021-07-09 22:19:37,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 531. [2021-07-09 22:19:37,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 530 states have (on average 1.2509433962264151) internal successors, (663), 530 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:37,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 663 transitions. [2021-07-09 22:19:37,259 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 663 transitions. Word has length 120 [2021-07-09 22:19:37,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:19:37,259 INFO L482 AbstractCegarLoop]: Abstraction has 531 states and 663 transitions. [2021-07-09 22:19:37,259 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:37,259 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 663 transitions. [2021-07-09 22:19:37,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:19:37,260 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:19:37,260 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:19:37,260 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-07-09 22:19:37,260 INFO L430 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:19:37,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:19:37,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1422176711, now seen corresponding path program 42 times [2021-07-09 22:19:37,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:19:37,260 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002007724] [2021-07-09 22:19:37,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:19:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:19:37,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:37,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:19:37,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:37,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:19:37,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:37,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:19:37,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:37,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:19:37,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:37,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:19:37,389 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-09 22:19:37,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:19:37,411 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-09 22:19:37,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:19:37,444 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-09 22:19:37,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:19:37,481 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-09 22:19:37,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:19:37,497 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-09 22:19:37,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:19:37,515 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:19:37,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:19:37,532 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-09 22:19:37,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:19:37,552 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-09 22:19:37,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:19:37,572 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:19:37,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:37,592 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:19:37,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:37,612 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:19:37,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:37,633 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:19:37,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:37,656 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:19:37,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:37,680 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:19:37,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:19:37,707 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.8 percent of original size [2021-07-09 22:19:37,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:19:37,725 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:19:37,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:37,751 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:19:37,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:37,780 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:19:37,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:19:37,809 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:19:37,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:19:37,852 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:19:37,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:19:37,883 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:19:37,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:37,915 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-09 22:19:37,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:19:37,949 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:19:37,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:19:37,981 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:19:37,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:38,006 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-09 22:19:38,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:19:38,035 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:19:38,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:38,067 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:19:38,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:38,067 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-09 22:19:38,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:19:38,096 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:19:38,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:19:38,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:38,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:19:38,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:38,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:19:38,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:38,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:19:38,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:38,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:19:38,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:19:38,205 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:19:38,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002007724] [2021-07-09 22:19:38,205 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002007724] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:19:38,205 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:19:38,205 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:19:38,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249044673] [2021-07-09 22:19:38,205 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:19:38,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:19:38,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:19:38,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:19:38,206 INFO L87 Difference]: Start difference. First operand 531 states and 663 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:39,361 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-07-09 22:19:39,528 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-09 22:19:39,796 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-07-09 22:19:40,075 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-09 22:19:40,304 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 80 [2021-07-09 22:19:40,555 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 84 [2021-07-09 22:19:41,062 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 88 [2021-07-09 22:19:41,216 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-09 22:19:41,521 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-09 22:19:42,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:19:42,637 INFO L93 Difference]: Finished difference Result 658 states and 835 transitions. [2021-07-09 22:19:42,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-09 22:19:42,638 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:19:42,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:19:42,638 INFO L225 Difference]: With dead ends: 658 [2021-07-09 22:19:42,639 INFO L226 Difference]: Without dead ends: 549 [2021-07-09 22:19:42,639 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 645 ImplicationChecksByTransitivity, 4360.7ms TimeCoverageRelationStatistics Valid=771, Invalid=3785, Unknown=0, NotChecked=0, Total=4556 [2021-07-09 22:19:42,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2021-07-09 22:19:42,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 530. [2021-07-09 22:19:42,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 529 states have (on average 1.2495274102079394) internal successors, (661), 529 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:42,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 661 transitions. [2021-07-09 22:19:42,643 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 661 transitions. Word has length 120 [2021-07-09 22:19:42,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:19:42,643 INFO L482 AbstractCegarLoop]: Abstraction has 530 states and 661 transitions. [2021-07-09 22:19:42,643 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:42,643 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 661 transitions. [2021-07-09 22:19:42,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:19:42,644 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:19:42,644 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:19:42,644 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-07-09 22:19:42,644 INFO L430 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:19:42,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:19:42,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1862808095, now seen corresponding path program 43 times [2021-07-09 22:19:42,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:19:42,645 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279279372] [2021-07-09 22:19:42,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:19:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:19:42,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:42,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:19:42,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:42,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:19:42,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:42,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:19:42,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:42,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:19:42,783 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-07-09 22:19:42,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:19:42,802 INFO L142 QuantifierPusher]: treesize reduction 22, result has 62.1 percent of original size [2021-07-09 22:19:42,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:19:42,827 INFO L142 QuantifierPusher]: treesize reduction 20, result has 71.8 percent of original size [2021-07-09 22:19:42,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:19:42,865 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.0 percent of original size [2021-07-09 22:19:42,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-09 22:19:42,907 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-09 22:19:42,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:19:42,923 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-09 22:19:42,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:19:42,940 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-09 22:19:42,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:19:42,956 INFO L142 QuantifierPusher]: treesize reduction 19, result has 65.5 percent of original size [2021-07-09 22:19:42,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:19:42,974 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-09 22:19:42,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:19:42,994 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:19:42,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:43,012 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:19:43,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:43,031 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:19:43,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:43,052 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:19:43,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:43,073 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:19:43,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:43,096 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-09 22:19:43,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:19:43,122 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.2 percent of original size [2021-07-09 22:19:43,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:19:43,138 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:43,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:43,164 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:43,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:43,192 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-09 22:19:43,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:19:43,220 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-09 22:19:43,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:19:43,249 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:43,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:43,279 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:43,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:43,311 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.8 percent of original size [2021-07-09 22:19:43,312 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-07-09 22:19:43,356 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:19:43,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:19:43,386 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:19:43,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:43,414 INFO L142 QuantifierPusher]: treesize reduction 24, result has 41.5 percent of original size [2021-07-09 22:19:43,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:19:43,444 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:19:43,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:43,474 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:19:43,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:43,475 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 22:19:43,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:19:43,504 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:19:43,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:19:43,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:43,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:19:43,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:43,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:19:43,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:43,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:19:43,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:43,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:19:43,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:19:43,619 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:19:43,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279279372] [2021-07-09 22:19:43,619 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279279372] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:19:43,619 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:19:43,619 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:19:43,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159158447] [2021-07-09 22:19:43,619 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:19:43,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:19:43,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:19:43,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1102, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:19:43,620 INFO L87 Difference]: Start difference. First operand 530 states and 661 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:44,732 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 64 [2021-07-09 22:19:44,890 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2021-07-09 22:19:45,148 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2021-07-09 22:19:45,419 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2021-07-09 22:19:45,641 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-09 22:19:45,883 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-09 22:19:46,558 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-07-09 22:19:46,892 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-07-09 22:19:47,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:19:47,659 INFO L93 Difference]: Finished difference Result 659 states and 835 transitions. [2021-07-09 22:19:47,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 22:19:47,659 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:19:47,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:19:47,660 INFO L225 Difference]: With dead ends: 659 [2021-07-09 22:19:47,660 INFO L226 Difference]: Without dead ends: 547 [2021-07-09 22:19:47,660 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 680 ImplicationChecksByTransitivity, 3989.3ms TimeCoverageRelationStatistics Valid=731, Invalid=3691, Unknown=0, NotChecked=0, Total=4422 [2021-07-09 22:19:47,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2021-07-09 22:19:47,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 528. [2021-07-09 22:19:47,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.2466793168880455) internal successors, (657), 527 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:47,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 657 transitions. [2021-07-09 22:19:47,664 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 657 transitions. Word has length 120 [2021-07-09 22:19:47,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:19:47,664 INFO L482 AbstractCegarLoop]: Abstraction has 528 states and 657 transitions. [2021-07-09 22:19:47,664 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:47,664 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 657 transitions. [2021-07-09 22:19:47,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:19:47,665 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:19:47,665 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:19:47,665 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-07-09 22:19:47,665 INFO L430 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:19:47,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:19:47,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1604703613, now seen corresponding path program 44 times [2021-07-09 22:19:47,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:19:47,666 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260830754] [2021-07-09 22:19:47,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:19:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:19:47,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:47,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:19:47,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:47,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:19:47,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:47,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:19:47,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:47,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:19:47,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:47,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:19:47,800 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-09 22:19:47,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:19:47,824 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-09 22:19:47,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:19:47,856 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-09 22:19:47,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:19:47,894 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-09 22:19:47,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:19:47,910 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-09 22:19:47,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:19:47,928 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:19:47,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:19:47,945 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-09 22:19:47,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:19:47,965 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-09 22:19:47,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:19:47,985 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:19:47,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:48,005 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:19:48,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:48,025 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:19:48,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:48,046 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:19:48,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:48,069 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:19:48,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:48,093 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:19:48,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:19:48,120 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.8 percent of original size [2021-07-09 22:19:48,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:19:48,138 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:19:48,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:48,165 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:19:48,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:48,194 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:19:48,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:19:48,223 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:19:48,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:48,258 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:19:48,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:48,290 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:19:48,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:48,323 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-09 22:19:48,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:19:48,357 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:19:48,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:19:48,389 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:19:48,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:48,414 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-09 22:19:48,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:19:48,444 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:19:48,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:48,475 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:19:48,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:48,476 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-09 22:19:48,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:19:48,511 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:19:48,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:19:48,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:48,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:19:48,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:48,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:19:48,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:48,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:19:48,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:48,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:19:48,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:19:48,617 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:19:48,617 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260830754] [2021-07-09 22:19:48,617 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260830754] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:19:48,617 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:19:48,617 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:19:48,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762898606] [2021-07-09 22:19:48,617 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:19:48,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:19:48,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:19:48,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:19:48,618 INFO L87 Difference]: Start difference. First operand 528 states and 657 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:49,614 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2021-07-09 22:19:49,765 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-07-09 22:19:49,929 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-09 22:19:50,189 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-07-09 22:19:50,472 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-09 22:19:50,705 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 80 [2021-07-09 22:19:51,170 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-09 22:19:51,339 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-09 22:19:51,488 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-07-09 22:19:51,704 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-09 22:19:52,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:19:52,504 INFO L93 Difference]: Finished difference Result 652 states and 825 transitions. [2021-07-09 22:19:52,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-09 22:19:52,504 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:19:52,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:19:52,505 INFO L225 Difference]: With dead ends: 652 [2021-07-09 22:19:52,505 INFO L226 Difference]: Without dead ends: 539 [2021-07-09 22:19:52,505 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 588 ImplicationChecksByTransitivity, 3850.8ms TimeCoverageRelationStatistics Valid=666, Invalid=3494, Unknown=0, NotChecked=0, Total=4160 [2021-07-09 22:19:52,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2021-07-09 22:19:52,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 526. [2021-07-09 22:19:52,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 525 states have (on average 1.2457142857142858) internal successors, (654), 525 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:52,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 654 transitions. [2021-07-09 22:19:52,509 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 654 transitions. Word has length 120 [2021-07-09 22:19:52,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:19:52,509 INFO L482 AbstractCegarLoop]: Abstraction has 526 states and 654 transitions. [2021-07-09 22:19:52,509 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:52,510 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 654 transitions. [2021-07-09 22:19:52,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:19:52,510 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:19:52,510 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:19:52,510 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-07-09 22:19:52,510 INFO L430 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:19:52,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:19:52,511 INFO L82 PathProgramCache]: Analyzing trace with hash 719857473, now seen corresponding path program 45 times [2021-07-09 22:19:52,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:19:52,511 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460649875] [2021-07-09 22:19:52,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:19:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:19:52,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:52,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:19:52,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:52,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:19:52,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:52,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:19:52,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:52,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:19:52,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:52,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:19:52,646 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-09 22:19:52,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:19:52,659 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-09 22:19:52,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:19:52,677 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-09 22:19:52,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:19:52,734 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-09 22:19:52,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:19:52,752 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-09 22:19:52,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:19:52,772 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-09 22:19:52,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:19:52,790 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-09 22:19:52,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:19:52,811 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-09 22:19:52,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:19:52,832 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:52,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:52,853 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:52,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:52,874 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:52,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:52,896 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:52,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:52,919 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:19:52,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:52,943 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-09 22:19:52,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:19:52,969 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.8 percent of original size [2021-07-09 22:19:52,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:19:52,987 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:19:52,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:19:53,038 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:19:53,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:19:53,089 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:19:53,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:19:53,130 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:19:53,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:19:53,173 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:19:53,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:19:53,227 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-09 22:19:53,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:19:53,266 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-09 22:19:53,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:53,308 INFO L142 QuantifierPusher]: treesize reduction 26, result has 46.9 percent of original size [2021-07-09 22:19:53,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:53,337 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:19:53,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:19:53,363 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:19:53,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:53,364 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:19:53,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:19:53,393 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:19:53,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:53,424 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:19:53,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:19:53,462 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:19:53,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:19:53,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:53,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:19:53,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:53,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:19:53,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:53,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:19:53,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:53,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:19:53,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:19:53,572 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:19:53,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460649875] [2021-07-09 22:19:53,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460649875] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:19:53,572 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:19:53,572 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:19:53,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683624556] [2021-07-09 22:19:53,573 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:19:53,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:19:53,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:19:53,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:19:53,573 INFO L87 Difference]: Start difference. First operand 526 states and 654 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:54,753 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 67 [2021-07-09 22:19:54,917 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2021-07-09 22:19:55,195 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2021-07-09 22:19:55,471 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 77 [2021-07-09 22:19:55,697 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 81 [2021-07-09 22:19:56,059 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 85 [2021-07-09 22:19:56,347 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2021-07-09 22:19:56,600 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 89 [2021-07-09 22:19:56,875 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-09 22:19:57,036 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2021-07-09 22:19:57,222 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2021-07-09 22:19:57,394 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 71 [2021-07-09 22:19:58,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:19:58,460 INFO L93 Difference]: Finished difference Result 653 states and 826 transitions. [2021-07-09 22:19:58,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-09 22:19:58,460 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:19:58,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:19:58,461 INFO L225 Difference]: With dead ends: 653 [2021-07-09 22:19:58,461 INFO L226 Difference]: Without dead ends: 538 [2021-07-09 22:19:58,461 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 687 ImplicationChecksByTransitivity, 4852.7ms TimeCoverageRelationStatistics Valid=848, Invalid=3982, Unknown=0, NotChecked=0, Total=4830 [2021-07-09 22:19:58,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2021-07-09 22:19:58,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 531. [2021-07-09 22:19:58,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 530 states have (on average 1.2490566037735849) internal successors, (662), 530 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:58,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 662 transitions. [2021-07-09 22:19:58,465 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 662 transitions. Word has length 120 [2021-07-09 22:19:58,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:19:58,465 INFO L482 AbstractCegarLoop]: Abstraction has 531 states and 662 transitions. [2021-07-09 22:19:58,465 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:19:58,466 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 662 transitions. [2021-07-09 22:19:58,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:19:58,466 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:19:58,466 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:19:58,466 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-07-09 22:19:58,466 INFO L430 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:19:58,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:19:58,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1635138395, now seen corresponding path program 46 times [2021-07-09 22:19:58,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:19:58,467 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080371569] [2021-07-09 22:19:58,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:19:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:19:58,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:58,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:19:58,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:58,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:19:58,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:58,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:19:58,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:58,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:19:58,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:58,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:19:58,597 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-09 22:19:58,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:19:58,619 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-09 22:19:58,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:19:58,651 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-09 22:19:58,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:19:58,688 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-09 22:19:58,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:19:58,704 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-09 22:19:58,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:19:58,722 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:19:58,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:19:58,739 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-09 22:19:58,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:19:58,759 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-09 22:19:58,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:19:58,779 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:19:58,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:58,799 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:19:58,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:58,819 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:19:58,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:58,841 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:19:58,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:58,863 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:19:58,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:19:58,886 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:19:58,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:19:58,913 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.8 percent of original size [2021-07-09 22:19:58,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:19:58,931 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:19:58,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:58,959 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:19:58,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:19:58,986 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:19:58,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:19:59,015 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:19:59,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:19:59,045 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:19:59,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:19:59,075 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:19:59,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:19:59,108 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-09 22:19:59,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:19:59,155 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:19:59,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:19:59,187 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:19:59,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:59,212 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-09 22:19:59,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:19:59,242 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:19:59,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:59,273 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:19:59,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:19:59,274 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-09 22:19:59,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:19:59,303 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:19:59,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:19:59,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:59,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:19:59,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:59,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:19:59,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:59,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:19:59,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:19:59,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:19:59,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:19:59,408 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:19:59,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080371569] [2021-07-09 22:19:59,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080371569] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:19:59,408 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:19:59,408 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:19:59,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886037042] [2021-07-09 22:19:59,408 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:19:59,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:19:59,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:19:59,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:19:59,409 INFO L87 Difference]: Start difference. First operand 531 states and 662 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:00,427 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2021-07-09 22:20:00,587 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-07-09 22:20:00,753 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-09 22:20:01,029 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-07-09 22:20:01,296 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 76 [2021-07-09 22:20:01,525 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 80 [2021-07-09 22:20:01,875 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 84 [2021-07-09 22:20:02,406 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 88 [2021-07-09 22:20:02,585 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-09 22:20:02,741 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2021-07-09 22:20:02,926 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-09 22:20:04,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:20:04,058 INFO L93 Difference]: Finished difference Result 646 states and 816 transitions. [2021-07-09 22:20:04,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-09 22:20:04,058 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:20:04,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:20:04,059 INFO L225 Difference]: With dead ends: 646 [2021-07-09 22:20:04,059 INFO L226 Difference]: Without dead ends: 537 [2021-07-09 22:20:04,059 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 670 ImplicationChecksByTransitivity, 4551.7ms TimeCoverageRelationStatistics Valid=800, Invalid=3892, Unknown=0, NotChecked=0, Total=4692 [2021-07-09 22:20:04,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2021-07-09 22:20:04,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 530. [2021-07-09 22:20:04,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 529 states have (on average 1.2476370510396975) internal successors, (660), 529 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:04,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 660 transitions. [2021-07-09 22:20:04,063 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 660 transitions. Word has length 120 [2021-07-09 22:20:04,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:20:04,064 INFO L482 AbstractCegarLoop]: Abstraction has 530 states and 660 transitions. [2021-07-09 22:20:04,064 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:04,064 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 660 transitions. [2021-07-09 22:20:04,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:20:04,064 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:20:04,065 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:20:04,065 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-07-09 22:20:04,065 INFO L430 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:20:04,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:20:04,065 INFO L82 PathProgramCache]: Analyzing trace with hash 2075769779, now seen corresponding path program 47 times [2021-07-09 22:20:04,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:20:04,065 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993641350] [2021-07-09 22:20:04,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:20:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:20:04,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:04,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:20:04,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:04,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:20:04,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:04,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:20:04,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:04,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:20:04,208 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-07-09 22:20:04,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:20:04,228 INFO L142 QuantifierPusher]: treesize reduction 22, result has 62.1 percent of original size [2021-07-09 22:20:04,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:20:04,257 INFO L142 QuantifierPusher]: treesize reduction 20, result has 71.8 percent of original size [2021-07-09 22:20:04,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:20:04,296 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.0 percent of original size [2021-07-09 22:20:04,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-09 22:20:04,338 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-09 22:20:04,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:20:04,355 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-09 22:20:04,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:20:04,372 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-09 22:20:04,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:20:04,389 INFO L142 QuantifierPusher]: treesize reduction 19, result has 65.5 percent of original size [2021-07-09 22:20:04,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:20:04,408 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-09 22:20:04,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:20:04,428 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:20:04,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:20:04,447 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:20:04,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:20:04,467 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:20:04,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:20:04,488 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:20:04,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:20:04,510 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:20:04,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:20:04,533 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size [2021-07-09 22:20:04,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:20:04,560 INFO L142 QuantifierPusher]: treesize reduction 19, result has 64.2 percent of original size [2021-07-09 22:20:04,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:20:04,576 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:20:04,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:04,603 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-09 22:20:04,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:20:04,629 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-09 22:20:04,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:20:04,658 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-09 22:20:04,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:20:04,688 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:20:04,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:04,719 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:20:04,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:04,751 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.8 percent of original size [2021-07-09 22:20:04,752 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-07-09 22:20:04,797 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:20:04,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:20:04,828 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:20:04,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:04,853 INFO L142 QuantifierPusher]: treesize reduction 24, result has 41.5 percent of original size [2021-07-09 22:20:04,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:20:04,882 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:20:04,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:04,913 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:20:04,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:04,914 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 22:20:04,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:20:04,949 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:20:04,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:20:04,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:04,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:20:05,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:05,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:20:05,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:05,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:20:05,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:05,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:20:05,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:20:05,058 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:20:05,058 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993641350] [2021-07-09 22:20:05,058 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993641350] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:20:05,058 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:20:05,058 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:20:05,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320199496] [2021-07-09 22:20:05,058 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:20:05,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:20:05,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:20:05,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1102, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:20:05,059 INFO L87 Difference]: Start difference. First operand 530 states and 660 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:06,206 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 64 [2021-07-09 22:20:06,366 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2021-07-09 22:20:06,638 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2021-07-09 22:20:06,897 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-07-09 22:20:07,120 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-09 22:20:07,459 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-09 22:20:07,742 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2021-07-09 22:20:08,043 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2021-07-09 22:20:08,232 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2021-07-09 22:20:08,571 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-07-09 22:20:09,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:20:09,353 INFO L93 Difference]: Finished difference Result 647 states and 816 transitions. [2021-07-09 22:20:09,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-09 22:20:09,353 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:20:09,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:20:09,354 INFO L225 Difference]: With dead ends: 647 [2021-07-09 22:20:09,354 INFO L226 Difference]: Without dead ends: 535 [2021-07-09 22:20:09,354 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 704 ImplicationChecksByTransitivity, 4192.3ms TimeCoverageRelationStatistics Valid=759, Invalid=3797, Unknown=0, NotChecked=0, Total=4556 [2021-07-09 22:20:09,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2021-07-09 22:20:09,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 528. [2021-07-09 22:20:09,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.2447817836812145) internal successors, (656), 527 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:09,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 656 transitions. [2021-07-09 22:20:09,358 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 656 transitions. Word has length 120 [2021-07-09 22:20:09,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:20:09,359 INFO L482 AbstractCegarLoop]: Abstraction has 528 states and 656 transitions. [2021-07-09 22:20:09,359 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:09,359 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 656 transitions. [2021-07-09 22:20:09,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:20:09,359 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:20:09,359 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:20:09,360 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-07-09 22:20:09,360 INFO L430 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:20:09,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:20:09,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1817665297, now seen corresponding path program 48 times [2021-07-09 22:20:09,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:20:09,360 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876524076] [2021-07-09 22:20:09,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:20:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:20:09,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:09,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:20:09,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:09,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:20:09,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:09,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:20:09,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:09,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:20:09,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:09,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:20:09,488 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-09 22:20:09,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:20:09,508 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-09 22:20:09,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:20:09,542 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-09 22:20:09,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:20:09,579 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-09 22:20:09,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:20:09,596 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-09 22:20:09,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:20:09,613 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:20:09,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:20:09,631 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-09 22:20:09,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:20:09,651 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-09 22:20:09,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:20:09,672 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:20:09,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:20:09,692 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:20:09,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:20:09,712 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:20:09,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:20:09,734 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:20:09,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:20:09,756 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:20:09,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:20:09,780 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:20:09,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:20:09,808 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.8 percent of original size [2021-07-09 22:20:09,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:20:09,825 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:20:09,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:09,852 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:20:09,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:20:09,879 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:20:09,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:20:09,909 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:20:09,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:09,954 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:20:09,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:09,986 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:20:09,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:10,020 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-09 22:20:10,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:20:10,055 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:20:10,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:20:10,087 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:20:10,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:10,114 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-09 22:20:10,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:20:10,145 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:20:10,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:10,177 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:20:10,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:10,178 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-09 22:20:10,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:20:10,207 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:20:10,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:20:10,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:10,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:20:10,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:10,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:20:10,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:10,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:20:10,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:10,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:20:10,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:20:10,314 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:20:10,314 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876524076] [2021-07-09 22:20:10,315 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876524076] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:20:10,315 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:20:10,315 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:20:10,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975156629] [2021-07-09 22:20:10,315 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:20:10,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:20:10,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:20:10,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:20:10,315 INFO L87 Difference]: Start difference. First operand 528 states and 656 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:11,494 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-07-09 22:20:11,658 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-09 22:20:11,932 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-07-09 22:20:12,196 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 76 [2021-07-09 22:20:12,427 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 80 [2021-07-09 22:20:12,967 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-09 22:20:13,142 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-09 22:20:13,331 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-09 22:20:13,489 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-07-09 22:20:13,714 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-09 22:20:14,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:20:14,521 INFO L93 Difference]: Finished difference Result 646 states and 813 transitions. [2021-07-09 22:20:14,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 22:20:14,521 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:20:14,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:20:14,522 INFO L225 Difference]: With dead ends: 646 [2021-07-09 22:20:14,522 INFO L226 Difference]: Without dead ends: 534 [2021-07-09 22:20:14,522 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 637 ImplicationChecksByTransitivity, 4121.0ms TimeCoverageRelationStatistics Valid=713, Invalid=3709, Unknown=0, NotChecked=0, Total=4422 [2021-07-09 22:20:14,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2021-07-09 22:20:14,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 527. [2021-07-09 22:20:14,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 526 states have (on average 1.2433460076045628) internal successors, (654), 526 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:14,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 654 transitions. [2021-07-09 22:20:14,526 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 654 transitions. Word has length 120 [2021-07-09 22:20:14,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:20:14,526 INFO L482 AbstractCegarLoop]: Abstraction has 527 states and 654 transitions. [2021-07-09 22:20:14,526 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:14,526 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 654 transitions. [2021-07-09 22:20:14,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:20:14,527 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:20:14,527 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:20:14,527 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-07-09 22:20:14,527 INFO L430 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:20:14,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:20:14,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1528859807, now seen corresponding path program 49 times [2021-07-09 22:20:14,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:20:14,528 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020847738] [2021-07-09 22:20:14,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:20:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:20:14,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:14,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:20:14,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:14,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:20:14,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:14,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:20:14,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:14,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:20:14,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:14,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:20:14,655 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-09 22:20:14,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:20:14,676 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-09 22:20:14,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:20:14,708 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-09 22:20:14,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:20:14,746 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-09 22:20:14,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:20:14,763 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-09 22:20:14,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:20:14,780 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:20:14,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:20:14,798 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-09 22:20:14,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:20:14,818 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-09 22:20:14,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:20:14,838 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:20:14,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:20:14,871 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:20:14,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:20:14,892 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:20:14,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:20:14,913 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:20:14,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:20:14,936 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:20:14,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:20:14,959 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:20:14,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:20:14,987 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.8 percent of original size [2021-07-09 22:20:14,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:20:15,007 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:20:15,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:15,034 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:20:15,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:20:15,061 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:20:15,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:15,091 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:20:15,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:15,122 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:20:15,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:15,155 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:20:15,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:15,188 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-09 22:20:15,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:20:15,224 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:20:15,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:20:15,258 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:20:15,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:15,284 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-09 22:20:15,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:20:15,314 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:20:15,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:15,346 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:20:15,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:15,346 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-09 22:20:15,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:20:15,375 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:20:15,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:20:15,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:15,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:20:15,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:15,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:20:15,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:15,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:20:15,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:15,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:20:15,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:20:15,482 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:20:15,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020847738] [2021-07-09 22:20:15,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020847738] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:20:15,482 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:20:15,482 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:20:15,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978034408] [2021-07-09 22:20:15,482 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:20:15,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:20:15,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:20:15,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:20:15,483 INFO L87 Difference]: Start difference. First operand 527 states and 654 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:16,510 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2021-07-09 22:20:16,666 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-07-09 22:20:16,830 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-07-09 22:20:17,094 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-07-09 22:20:17,359 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 76 [2021-07-09 22:20:17,806 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-09 22:20:17,979 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-09 22:20:18,161 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-09 22:20:18,333 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2021-07-09 22:20:18,573 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-09 22:20:19,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:20:19,392 INFO L93 Difference]: Finished difference Result 639 states and 804 transitions. [2021-07-09 22:20:19,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-09 22:20:19,392 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:20:19,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:20:19,393 INFO L225 Difference]: With dead ends: 639 [2021-07-09 22:20:19,393 INFO L226 Difference]: Without dead ends: 429 [2021-07-09 22:20:19,393 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 594 ImplicationChecksByTransitivity, 3840.5ms TimeCoverageRelationStatistics Valid=653, Invalid=3507, Unknown=0, NotChecked=0, Total=4160 [2021-07-09 22:20:19,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2021-07-09 22:20:19,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2021-07-09 22:20:19,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 428 states have (on average 1.2710280373831775) internal successors, (544), 428 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:19,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 544 transitions. [2021-07-09 22:20:19,397 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 544 transitions. Word has length 120 [2021-07-09 22:20:19,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:20:19,397 INFO L482 AbstractCegarLoop]: Abstraction has 429 states and 544 transitions. [2021-07-09 22:20:19,397 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:19,397 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 544 transitions. [2021-07-09 22:20:19,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:20:19,398 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:20:19,398 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:20:19,398 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-07-09 22:20:19,398 INFO L430 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:20:19,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:20:19,398 INFO L82 PathProgramCache]: Analyzing trace with hash -11418625, now seen corresponding path program 50 times [2021-07-09 22:20:19,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:20:19,398 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450282016] [2021-07-09 22:20:19,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:20:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:20:19,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:19,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:20:19,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:19,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:20:19,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:19,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:20:19,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:19,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:20:19,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:19,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:20:19,524 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-09 22:20:19,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:20:19,535 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-09 22:20:19,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:20:19,553 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-09 22:20:19,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:20:19,588 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-09 22:20:19,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:20:19,605 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-09 22:20:19,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:20:19,622 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-09 22:20:19,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:19,640 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-09 22:20:19,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:20:19,659 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-09 22:20:19,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:20:19,680 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:20:19,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:19,700 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:20:19,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:19,720 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:20:19,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:19,741 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:20:19,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:19,763 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:20:19,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:19,786 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:20:19,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:19,811 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-07-09 22:20:19,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-09 22:20:19,872 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:20:19,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:20:19,892 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:20:19,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:20:19,934 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:20:19,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:20:19,977 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:20:19,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:20:20,034 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-09 22:20:20,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:20,074 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-09 22:20:20,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:20:20,113 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-09 22:20:20,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:20,155 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-09 22:20:20,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:20,186 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:20:20,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:20:20,212 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:20:20,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:20,212 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:20:20,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:20:20,242 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:20:20,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:20,273 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:20:20,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:20:20,302 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:20:20,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:20:20,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:20,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:20:20,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:20,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:20:20,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:20,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:20:20,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:20,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:20:20,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:20:20,409 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:20:20,409 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450282016] [2021-07-09 22:20:20,409 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450282016] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:20:20,409 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:20:20,409 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:20:20,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887840365] [2021-07-09 22:20:20,409 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:20:20,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:20:20,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:20:20,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:20:20,410 INFO L87 Difference]: Start difference. First operand 429 states and 544 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:21,592 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2021-07-09 22:20:21,756 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2021-07-09 22:20:21,931 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2021-07-09 22:20:22,242 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-07-09 22:20:22,494 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2021-07-09 22:20:22,812 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-07-09 22:20:23,091 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 91 [2021-07-09 22:20:23,379 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-09 22:20:24,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:20:24,606 INFO L93 Difference]: Finished difference Result 538 states and 691 transitions. [2021-07-09 22:20:24,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-09 22:20:24,606 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:20:24,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:20:24,607 INFO L225 Difference]: With dead ends: 538 [2021-07-09 22:20:24,607 INFO L226 Difference]: Without dead ends: 427 [2021-07-09 22:20:24,607 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 558 ImplicationChecksByTransitivity, 4139.5ms TimeCoverageRelationStatistics Valid=729, Invalid=3431, Unknown=0, NotChecked=0, Total=4160 [2021-07-09 22:20:24,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2021-07-09 22:20:24,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 427. [2021-07-09 22:20:24,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 426 states have (on average 1.267605633802817) internal successors, (540), 426 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:24,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 540 transitions. [2021-07-09 22:20:24,611 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 540 transitions. Word has length 120 [2021-07-09 22:20:24,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:20:24,611 INFO L482 AbstractCegarLoop]: Abstraction has 427 states and 540 transitions. [2021-07-09 22:20:24,611 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:24,611 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 540 transitions. [2021-07-09 22:20:24,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:20:24,611 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:20:24,612 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:20:24,612 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-07-09 22:20:24,612 INFO L430 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:20:24,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:20:24,612 INFO L82 PathProgramCache]: Analyzing trace with hash 336718145, now seen corresponding path program 51 times [2021-07-09 22:20:24,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:20:24,612 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814958482] [2021-07-09 22:20:24,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:20:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:20:24,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:24,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:20:24,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:24,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:20:24,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:24,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:20:24,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:24,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:20:24,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:24,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:20:24,742 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-09 22:20:24,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:20:24,755 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-09 22:20:24,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:20:24,775 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-09 22:20:24,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:20:24,814 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-09 22:20:24,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:20:24,831 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-09 22:20:24,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:20:24,849 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-09 22:20:24,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:24,867 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-09 22:20:24,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:20:24,887 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-09 22:20:24,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:20:24,908 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:20:24,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:24,928 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:20:24,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:24,948 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:20:24,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:24,970 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:20:24,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:24,993 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:20:24,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:25,019 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:20:25,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:25,044 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-07-09 22:20:25,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-09 22:20:25,098 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:20:25,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:20:25,119 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:20:25,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:20:25,161 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:20:25,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:20:25,207 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:20:25,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:20:25,262 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:20:25,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:20:25,316 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-09 22:20:25,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:20:25,356 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-09 22:20:25,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:25,398 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-09 22:20:25,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:25,428 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:20:25,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:20:25,455 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:20:25,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:25,456 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:20:25,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:20:25,485 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:20:25,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:25,517 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:20:25,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:20:25,546 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:20:25,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:20:25,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:25,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:20:25,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:25,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:20:25,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:25,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:20:25,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:25,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:20:25,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:20:25,659 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:20:25,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814958482] [2021-07-09 22:20:25,659 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814958482] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:20:25,659 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:20:25,659 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:20:25,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105623451] [2021-07-09 22:20:25,659 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:20:25,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:20:25,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:20:25,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:20:25,660 INFO L87 Difference]: Start difference. First operand 427 states and 540 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:26,806 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2021-07-09 22:20:26,964 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2021-07-09 22:20:27,138 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2021-07-09 22:20:27,451 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-07-09 22:20:27,688 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2021-07-09 22:20:27,994 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-07-09 22:20:28,263 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 89 [2021-07-09 22:20:28,534 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-09 22:20:29,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:20:29,959 INFO L93 Difference]: Finished difference Result 541 states and 694 transitions. [2021-07-09 22:20:29,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 22:20:29,960 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:20:29,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:20:29,960 INFO L225 Difference]: With dead ends: 541 [2021-07-09 22:20:29,960 INFO L226 Difference]: Without dead ends: 430 [2021-07-09 22:20:29,960 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 610 ImplicationChecksByTransitivity, 4355.9ms TimeCoverageRelationStatistics Valid=767, Invalid=3655, Unknown=0, NotChecked=0, Total=4422 [2021-07-09 22:20:29,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2021-07-09 22:20:29,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 427. [2021-07-09 22:20:29,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 426 states have (on average 1.2652582159624413) internal successors, (539), 426 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:29,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 539 transitions. [2021-07-09 22:20:29,964 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 539 transitions. Word has length 120 [2021-07-09 22:20:29,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:20:29,964 INFO L482 AbstractCegarLoop]: Abstraction has 427 states and 539 transitions. [2021-07-09 22:20:29,964 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:29,964 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 539 transitions. [2021-07-09 22:20:29,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:20:29,965 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:20:29,965 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:20:29,965 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-07-09 22:20:29,965 INFO L430 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:20:29,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:20:29,965 INFO L82 PathProgramCache]: Analyzing trace with hash -2054895969, now seen corresponding path program 52 times [2021-07-09 22:20:29,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:20:29,965 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603579155] [2021-07-09 22:20:29,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:20:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:20:30,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:30,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:20:30,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:30,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:20:30,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:30,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:20:30,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:30,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:20:30,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:30,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:20:30,092 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-09 22:20:30,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:20:30,113 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-09 22:20:30,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:20:30,147 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-09 22:20:30,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:20:30,185 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-09 22:20:30,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:20:30,202 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-09 22:20:30,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:20:30,220 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:20:30,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:20:30,237 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-09 22:20:30,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:20:30,258 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-09 22:20:30,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:20:30,279 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:20:30,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:20:30,299 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:20:30,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:20:30,319 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:20:30,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:30,340 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:20:30,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:30,362 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:20:30,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:30,386 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:20:30,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:30,411 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-09 22:20:30,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:20:30,447 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:20:30,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:30,466 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:20:30,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:30,496 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:20:30,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:30,525 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:20:30,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:30,556 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:20:30,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:20:30,587 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:20:30,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:30,621 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-09 22:20:30,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:20:30,655 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:20:30,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:20:30,688 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:20:30,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:30,713 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-09 22:20:30,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:20:30,743 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:20:30,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:30,775 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:20:30,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:30,775 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-09 22:20:30,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:20:30,804 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:20:30,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:20:30,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:30,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:20:30,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:30,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:20:30,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:30,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:20:30,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:30,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:20:30,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:20:30,909 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:20:30,910 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603579155] [2021-07-09 22:20:30,910 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603579155] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:20:30,910 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:20:30,910 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:20:30,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511482888] [2021-07-09 22:20:30,910 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:20:30,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:20:30,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:20:30,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:20:30,911 INFO L87 Difference]: Start difference. First operand 427 states and 539 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:32,062 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 65 [2021-07-09 22:20:32,226 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-07-09 22:20:32,398 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-09 22:20:32,703 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-09 22:20:32,938 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-09 22:20:33,244 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 86 [2021-07-09 22:20:33,506 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 88 [2021-07-09 22:20:34,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:20:34,878 INFO L93 Difference]: Finished difference Result 535 states and 685 transitions. [2021-07-09 22:20:34,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-09 22:20:34,878 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:20:34,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:20:34,879 INFO L225 Difference]: With dead ends: 535 [2021-07-09 22:20:34,879 INFO L226 Difference]: Without dead ends: 425 [2021-07-09 22:20:34,879 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 570 ImplicationChecksByTransitivity, 3923.6ms TimeCoverageRelationStatistics Valid=704, Invalid=3456, Unknown=0, NotChecked=0, Total=4160 [2021-07-09 22:20:34,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2021-07-09 22:20:34,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2021-07-09 22:20:34,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 424 states have (on average 1.2641509433962264) internal successors, (536), 424 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:34,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 536 transitions. [2021-07-09 22:20:34,882 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 536 transitions. Word has length 120 [2021-07-09 22:20:34,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:20:34,882 INFO L482 AbstractCegarLoop]: Abstraction has 425 states and 536 transitions. [2021-07-09 22:20:34,883 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:34,883 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 536 transitions. [2021-07-09 22:20:34,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:20:34,883 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:20:34,883 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:20:34,883 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-07-09 22:20:34,883 INFO L430 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:20:34,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:20:34,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1526046719, now seen corresponding path program 53 times [2021-07-09 22:20:34,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:20:34,884 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376230920] [2021-07-09 22:20:34,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:20:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:20:34,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:34,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:20:34,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:34,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:20:34,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:34,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:20:34,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:34,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:20:34,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:34,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:20:35,008 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-09 22:20:35,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:20:35,020 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-09 22:20:35,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:20:35,040 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-09 22:20:35,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:20:35,082 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-09 22:20:35,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:20:35,101 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-09 22:20:35,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:20:35,120 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-09 22:20:35,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:35,137 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-09 22:20:35,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:20:35,157 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-09 22:20:35,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:20:35,178 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:20:35,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:35,201 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:20:35,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:35,222 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:20:35,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:35,244 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:20:35,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:35,267 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:20:35,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:35,293 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:20:35,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:35,320 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-07-09 22:20:35,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-09 22:20:35,381 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:20:35,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:20:35,402 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:20:35,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:20:35,445 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:20:35,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:20:35,488 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:20:35,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:20:35,531 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:20:35,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:20:35,586 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-09 22:20:35,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:20:35,626 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-09 22:20:35,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:35,668 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-09 22:20:35,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:35,699 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:20:35,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:20:35,726 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:20:35,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:35,727 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:20:35,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:20:35,757 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:20:35,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:35,789 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:20:35,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:20:35,817 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:20:35,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:20:35,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:35,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:20:35,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:35,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:20:35,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:35,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:20:35,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:35,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:20:35,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:20:35,923 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:20:35,923 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376230920] [2021-07-09 22:20:35,924 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376230920] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:20:35,924 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:20:35,924 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:20:35,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497405918] [2021-07-09 22:20:35,924 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:20:35,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:20:35,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:20:35,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:20:35,924 INFO L87 Difference]: Start difference. First operand 425 states and 536 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:37,092 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2021-07-09 22:20:37,259 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2021-07-09 22:20:37,436 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2021-07-09 22:20:37,751 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-07-09 22:20:37,997 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2021-07-09 22:20:38,272 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 85 [2021-07-09 22:20:38,660 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 89 [2021-07-09 22:20:38,948 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-09 22:20:39,236 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-07-09 22:20:40,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:20:40,458 INFO L93 Difference]: Finished difference Result 545 states and 698 transitions. [2021-07-09 22:20:40,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-09 22:20:40,458 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:20:40,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:20:40,459 INFO L225 Difference]: With dead ends: 545 [2021-07-09 22:20:40,459 INFO L226 Difference]: Without dead ends: 431 [2021-07-09 22:20:40,459 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 635 ImplicationChecksByTransitivity, 4528.7ms TimeCoverageRelationStatistics Valid=791, Invalid=3765, Unknown=0, NotChecked=0, Total=4556 [2021-07-09 22:20:40,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2021-07-09 22:20:40,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 426. [2021-07-09 22:20:40,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 425 states have (on average 1.2635294117647058) internal successors, (537), 425 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:40,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 537 transitions. [2021-07-09 22:20:40,463 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 537 transitions. Word has length 120 [2021-07-09 22:20:40,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:20:40,463 INFO L482 AbstractCegarLoop]: Abstraction has 426 states and 537 transitions. [2021-07-09 22:20:40,463 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:40,463 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 537 transitions. [2021-07-09 22:20:40,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:20:40,463 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:20:40,464 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:20:40,464 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-07-09 22:20:40,464 INFO L430 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:20:40,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:20:40,464 INFO L82 PathProgramCache]: Analyzing trace with hash 2117015333, now seen corresponding path program 54 times [2021-07-09 22:20:40,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:20:40,464 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816572776] [2021-07-09 22:20:40,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:20:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:20:40,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:40,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:20:40,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:40,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:20:40,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:40,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:20:40,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:40,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:20:40,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:40,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:20:40,592 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-09 22:20:40,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:20:40,613 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-09 22:20:40,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:20:40,648 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-09 22:20:40,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:20:40,689 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-09 22:20:40,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:20:40,707 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-09 22:20:40,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:20:40,726 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:20:40,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:20:40,745 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-09 22:20:40,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:20:40,767 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-09 22:20:40,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:20:40,790 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:20:40,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:20:40,813 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:20:40,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:20:40,836 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:20:40,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:40,858 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:20:40,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:40,881 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:20:40,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:40,905 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:20:40,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:40,930 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-09 22:20:40,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:20:40,958 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:20:40,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:40,977 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:20:40,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:41,006 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:20:41,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:41,035 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:20:41,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:20:41,065 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:20:41,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:20:41,095 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:20:41,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:41,128 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-09 22:20:41,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:20:41,170 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:20:41,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:20:41,201 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:20:41,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:41,226 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-09 22:20:41,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:20:41,256 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:20:41,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:41,287 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:20:41,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:41,288 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-09 22:20:41,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:20:41,317 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:20:41,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:20:41,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:41,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:20:41,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:41,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:20:41,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:41,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:20:41,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:41,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:20:41,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:20:41,423 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:20:41,423 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816572776] [2021-07-09 22:20:41,423 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816572776] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:20:41,423 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:20:41,423 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:20:41,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090692038] [2021-07-09 22:20:41,424 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:20:41,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:20:41,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:20:41,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:20:41,424 INFO L87 Difference]: Start difference. First operand 426 states and 537 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:42,585 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 65 [2021-07-09 22:20:42,746 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-07-09 22:20:42,922 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-09 22:20:43,232 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-09 22:20:43,468 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-09 22:20:43,733 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 84 [2021-07-09 22:20:44,123 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 88 [2021-07-09 22:20:44,531 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-09 22:20:45,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:20:45,664 INFO L93 Difference]: Finished difference Result 539 states and 689 transitions. [2021-07-09 22:20:45,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 22:20:45,664 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:20:45,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:20:45,665 INFO L225 Difference]: With dead ends: 539 [2021-07-09 22:20:45,665 INFO L226 Difference]: Without dead ends: 430 [2021-07-09 22:20:45,665 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 620 ImplicationChecksByTransitivity, 4178.5ms TimeCoverageRelationStatistics Valid=745, Invalid=3677, Unknown=0, NotChecked=0, Total=4422 [2021-07-09 22:20:45,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2021-07-09 22:20:45,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 425. [2021-07-09 22:20:45,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 424 states have (on average 1.2617924528301887) internal successors, (535), 424 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:45,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 535 transitions. [2021-07-09 22:20:45,669 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 535 transitions. Word has length 120 [2021-07-09 22:20:45,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:20:45,669 INFO L482 AbstractCegarLoop]: Abstraction has 425 states and 535 transitions. [2021-07-09 22:20:45,669 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:45,669 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 535 transitions. [2021-07-09 22:20:45,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:20:45,669 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:20:45,669 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:20:45,670 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-07-09 22:20:45,670 INFO L430 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:20:45,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:20:45,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1737320579, now seen corresponding path program 55 times [2021-07-09 22:20:45,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:20:45,670 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736740825] [2021-07-09 22:20:45,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:20:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:20:45,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:45,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:20:45,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:45,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:20:45,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:45,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:20:45,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:45,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:20:45,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:45,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:20:45,795 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-09 22:20:45,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:20:45,816 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-09 22:20:45,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:20:45,851 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-09 22:20:45,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:20:45,892 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-09 22:20:45,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:20:45,910 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-09 22:20:45,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:20:45,929 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:20:45,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:20:45,949 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-09 22:20:45,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:20:45,971 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-09 22:20:45,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:20:45,994 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:20:45,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:20:46,017 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:20:46,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:20:46,039 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:20:46,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:46,061 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:20:46,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:46,097 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:20:46,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:46,121 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:20:46,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:46,146 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-09 22:20:46,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:20:46,175 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:20:46,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:46,208 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:20:46,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:46,240 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:20:46,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:46,272 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:20:46,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:20:46,302 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:20:46,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:46,334 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:20:46,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:46,368 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-09 22:20:46,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:20:46,402 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:20:46,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:20:46,434 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:20:46,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:46,459 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-09 22:20:46,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:20:46,489 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:20:46,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:46,521 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:20:46,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:46,522 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-09 22:20:46,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:20:46,551 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:20:46,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:20:46,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:46,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:20:46,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:46,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:20:46,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:46,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:20:46,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:46,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:20:46,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:20:46,659 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:20:46,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736740825] [2021-07-09 22:20:46,659 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736740825] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:20:46,659 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:20:46,659 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:20:46,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906929072] [2021-07-09 22:20:46,659 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:20:46,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:20:46,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:20:46,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:20:46,660 INFO L87 Difference]: Start difference. First operand 425 states and 535 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:47,847 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 65 [2021-07-09 22:20:48,014 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-07-09 22:20:48,188 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-09 22:20:48,530 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-09 22:20:48,775 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-09 22:20:49,053 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 84 [2021-07-09 22:20:49,507 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-09 22:20:49,644 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-07-09 22:20:49,848 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-09 22:20:50,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:20:50,659 INFO L93 Difference]: Finished difference Result 535 states and 683 transitions. [2021-07-09 22:20:50,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-09 22:20:50,660 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:20:50,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:20:50,660 INFO L225 Difference]: With dead ends: 535 [2021-07-09 22:20:50,660 INFO L226 Difference]: Without dead ends: 421 [2021-07-09 22:20:50,661 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 580 ImplicationChecksByTransitivity, 3942.9ms TimeCoverageRelationStatistics Valid=683, Invalid=3477, Unknown=0, NotChecked=0, Total=4160 [2021-07-09 22:20:50,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-07-09 22:20:50,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2021-07-09 22:20:50,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.2571428571428571) internal successors, (528), 420 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:50,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 528 transitions. [2021-07-09 22:20:50,664 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 528 transitions. Word has length 120 [2021-07-09 22:20:50,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:20:50,664 INFO L482 AbstractCegarLoop]: Abstraction has 421 states and 528 transitions. [2021-07-09 22:20:50,664 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:50,664 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 528 transitions. [2021-07-09 22:20:50,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:20:50,665 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:20:50,665 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:20:50,665 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-07-09 22:20:50,665 INFO L430 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:20:50,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:20:50,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1860406271, now seen corresponding path program 56 times [2021-07-09 22:20:50,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:20:50,665 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146532857] [2021-07-09 22:20:50,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:20:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:20:50,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:50,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:20:50,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:50,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:20:50,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:50,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:20:50,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:50,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:20:50,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:50,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:20:50,790 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-09 22:20:50,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:20:50,804 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-09 22:20:50,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:20:50,824 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-09 22:20:50,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:20:50,863 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-09 22:20:50,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:20:50,881 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-09 22:20:50,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:20:50,899 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-09 22:20:50,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:50,916 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-09 22:20:50,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:20:50,937 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-09 22:20:50,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:20:50,958 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:20:50,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:50,978 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:20:50,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:50,999 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:20:50,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:51,020 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:20:51,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:51,043 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:20:51,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:51,068 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:20:51,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:51,094 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-07-09 22:20:51,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-09 22:20:51,157 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:20:51,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:20:51,177 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:20:51,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:20:51,219 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:20:51,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:20:51,262 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:20:51,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:20:51,305 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:20:51,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:20:51,359 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-09 22:20:51,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:20:51,399 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-09 22:20:51,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:51,441 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-09 22:20:51,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:51,471 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:20:51,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:20:51,497 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:20:51,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:51,498 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:20:51,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:20:51,527 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:20:51,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:51,559 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:20:51,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:20:51,587 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:20:51,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:20:51,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:51,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:20:51,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:51,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:20:51,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:51,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:20:51,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:51,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:20:51,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:20:51,694 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:20:51,694 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146532857] [2021-07-09 22:20:51,695 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146532857] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:20:51,695 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:20:51,695 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:20:51,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222993786] [2021-07-09 22:20:51,695 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:20:51,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:20:51,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:20:51,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:20:51,695 INFO L87 Difference]: Start difference. First operand 421 states and 528 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:52,865 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2021-07-09 22:20:53,030 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2021-07-09 22:20:53,205 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2021-07-09 22:20:53,513 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-07-09 22:20:53,749 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 81 [2021-07-09 22:20:53,998 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 85 [2021-07-09 22:20:54,531 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 89 [2021-07-09 22:20:54,811 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-09 22:20:55,132 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2021-07-09 22:20:55,284 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2021-07-09 22:20:56,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:20:56,359 INFO L93 Difference]: Finished difference Result 544 states and 694 transitions. [2021-07-09 22:20:56,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-09 22:20:56,359 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:20:56,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:20:56,360 INFO L225 Difference]: With dead ends: 544 [2021-07-09 22:20:56,360 INFO L226 Difference]: Without dead ends: 430 [2021-07-09 22:20:56,360 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 4695.1ms TimeCoverageRelationStatistics Valid=818, Invalid=3874, Unknown=0, NotChecked=0, Total=4692 [2021-07-09 22:20:56,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2021-07-09 22:20:56,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 424. [2021-07-09 22:20:56,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 423 states have (on average 1.260047281323877) internal successors, (533), 423 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:56,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 533 transitions. [2021-07-09 22:20:56,363 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 533 transitions. Word has length 120 [2021-07-09 22:20:56,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:20:56,364 INFO L482 AbstractCegarLoop]: Abstraction has 424 states and 533 transitions. [2021-07-09 22:20:56,364 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:56,364 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 533 transitions. [2021-07-09 22:20:56,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:20:56,364 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:20:56,364 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:20:56,364 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-07-09 22:20:56,365 INFO L430 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:20:56,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:20:56,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1218747335, now seen corresponding path program 57 times [2021-07-09 22:20:56,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:20:56,365 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321075608] [2021-07-09 22:20:56,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:20:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:20:56,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:56,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:20:56,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:56,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:20:56,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:56,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:20:56,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:56,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:20:56,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:56,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:20:56,489 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-09 22:20:56,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:20:56,511 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-09 22:20:56,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:20:56,543 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-09 22:20:56,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:20:56,581 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-09 22:20:56,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:20:56,598 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-09 22:20:56,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:20:56,615 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:20:56,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:20:56,633 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-09 22:20:56,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:20:56,653 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-09 22:20:56,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:20:56,673 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:20:56,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:20:56,693 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:20:56,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:20:56,713 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:20:56,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:56,735 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:20:56,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:56,757 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:20:56,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:56,781 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:20:56,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:20:56,808 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-09 22:20:56,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:20:56,837 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:20:56,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:56,856 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:20:56,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:56,885 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:20:56,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:20:56,921 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:20:56,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:20:56,951 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:20:56,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:20:56,981 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:20:56,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:20:57,015 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-09 22:20:57,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:20:57,049 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:20:57,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:20:57,081 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:20:57,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:57,106 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-09 22:20:57,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:20:57,135 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:20:57,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:57,166 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:20:57,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:20:57,166 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-09 22:20:57,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:20:57,195 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:20:57,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:20:57,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:57,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:20:57,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:57,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:20:57,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:57,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:20:57,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:20:57,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:20:57,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:20:57,300 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:20:57,300 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321075608] [2021-07-09 22:20:57,300 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321075608] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:20:57,300 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:20:57,300 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:20:57,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486868636] [2021-07-09 22:20:57,300 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:20:57,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:20:57,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:20:57,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:20:57,301 INFO L87 Difference]: Start difference. First operand 424 states and 533 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:20:58,466 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 65 [2021-07-09 22:20:58,627 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-07-09 22:20:58,803 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-09 22:20:59,111 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-09 22:20:59,340 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 80 [2021-07-09 22:20:59,592 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 84 [2021-07-09 22:21:00,099 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 88 [2021-07-09 22:21:00,258 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-09 22:21:00,397 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2021-07-09 22:21:00,565 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-09 22:21:01,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:21:01,696 INFO L93 Difference]: Finished difference Result 538 states and 686 transitions. [2021-07-09 22:21:01,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-09 22:21:01,697 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:21:01,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:21:01,697 INFO L225 Difference]: With dead ends: 538 [2021-07-09 22:21:01,697 INFO L226 Difference]: Without dead ends: 429 [2021-07-09 22:21:01,698 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 645 ImplicationChecksByTransitivity, 4310.3ms TimeCoverageRelationStatistics Valid=771, Invalid=3785, Unknown=0, NotChecked=0, Total=4556 [2021-07-09 22:21:01,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2021-07-09 22:21:01,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 423. [2021-07-09 22:21:01,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 422 states have (on average 1.2582938388625593) internal successors, (531), 422 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:01,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 531 transitions. [2021-07-09 22:21:01,701 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 531 transitions. Word has length 120 [2021-07-09 22:21:01,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:21:01,701 INFO L482 AbstractCegarLoop]: Abstraction has 423 states and 531 transitions. [2021-07-09 22:21:01,701 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:01,701 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 531 transitions. [2021-07-09 22:21:01,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:21:01,702 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:21:01,702 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:21:01,702 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-07-09 22:21:01,702 INFO L430 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:21:01,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:21:01,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1659378719, now seen corresponding path program 58 times [2021-07-09 22:21:01,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:21:01,703 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414886967] [2021-07-09 22:21:01,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:21:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:21:01,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:01,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:21:01,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:01,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:21:01,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:01,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:21:01,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:01,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:21:01,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:01,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:21:01,834 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-09 22:21:01,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:21:01,855 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-09 22:21:01,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:21:01,888 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-09 22:21:01,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:21:01,925 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-09 22:21:01,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:21:01,941 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-09 22:21:01,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:21:01,959 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:21:01,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:21:01,976 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-09 22:21:01,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:21:01,996 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-09 22:21:01,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:21:02,016 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:21:02,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:21:02,036 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:21:02,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:21:02,056 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:21:02,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:02,077 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:21:02,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:02,100 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:21:02,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:02,123 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:21:02,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:02,148 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-09 22:21:02,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:21:02,176 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:21:02,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:02,195 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:21:02,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:02,224 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:21:02,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:21:02,253 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:21:02,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:21:02,282 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:21:02,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:02,314 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:21:02,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:02,347 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-09 22:21:02,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:21:02,381 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:21:02,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:21:02,413 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:21:02,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:02,438 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-09 22:21:02,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:21:02,468 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:21:02,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:02,499 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:21:02,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:02,500 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-09 22:21:02,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:21:02,529 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:21:02,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:21:02,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:02,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:21:02,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:02,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:21:02,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:02,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:21:02,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:02,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:21:02,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:21:02,634 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:21:02,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414886967] [2021-07-09 22:21:02,634 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414886967] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:21:02,634 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:21:02,634 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:21:02,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872579624] [2021-07-09 22:21:02,635 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:21:02,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:21:02,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:21:02,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:21:02,635 INFO L87 Difference]: Start difference. First operand 423 states and 531 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:03,836 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 65 [2021-07-09 22:21:03,998 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-07-09 22:21:04,170 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-09 22:21:04,484 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-09 22:21:04,714 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 80 [2021-07-09 22:21:04,964 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 84 [2021-07-09 22:21:05,508 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-09 22:21:05,678 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-09 22:21:05,813 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-07-09 22:21:06,023 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-09 22:21:06,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:21:06,842 INFO L93 Difference]: Finished difference Result 539 states and 686 transitions. [2021-07-09 22:21:06,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 22:21:06,843 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:21:06,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:21:06,843 INFO L225 Difference]: With dead ends: 539 [2021-07-09 22:21:06,843 INFO L226 Difference]: Without dead ends: 427 [2021-07-09 22:21:06,844 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630 ImplicationChecksByTransitivity, 4098.4ms TimeCoverageRelationStatistics Valid=727, Invalid=3695, Unknown=0, NotChecked=0, Total=4422 [2021-07-09 22:21:06,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2021-07-09 22:21:06,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 421. [2021-07-09 22:21:06,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.2547619047619047) internal successors, (527), 420 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:06,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 527 transitions. [2021-07-09 22:21:06,847 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 527 transitions. Word has length 120 [2021-07-09 22:21:06,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:21:06,847 INFO L482 AbstractCegarLoop]: Abstraction has 421 states and 527 transitions. [2021-07-09 22:21:06,847 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:06,851 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 527 transitions. [2021-07-09 22:21:06,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:21:06,852 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:21:06,852 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:21:06,852 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-07-09 22:21:06,852 INFO L430 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:21:06,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:21:06,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1401274237, now seen corresponding path program 59 times [2021-07-09 22:21:06,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:21:06,852 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678838359] [2021-07-09 22:21:06,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:21:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:21:06,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:06,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:21:06,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:06,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:21:06,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:06,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:21:06,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:06,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:21:06,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:06,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:21:06,985 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-09 22:21:06,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:21:07,007 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-09 22:21:07,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:21:07,039 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-09 22:21:07,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:21:07,077 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-09 22:21:07,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:21:07,093 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-09 22:21:07,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:21:07,111 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:21:07,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:21:07,128 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-09 22:21:07,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:21:07,148 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-09 22:21:07,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:21:07,169 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:21:07,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:21:07,189 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:21:07,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:21:07,209 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:21:07,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:07,230 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:21:07,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:07,253 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:21:07,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:07,276 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:21:07,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:07,301 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-09 22:21:07,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:21:07,329 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:21:07,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:07,348 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:21:07,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:07,377 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:21:07,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:21:07,406 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:21:07,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:07,437 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:21:07,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:07,469 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:21:07,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:07,501 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-09 22:21:07,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:21:07,536 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:21:07,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:21:07,567 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:21:07,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:07,592 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-09 22:21:07,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:21:07,628 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:21:07,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:07,660 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:21:07,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:07,660 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-09 22:21:07,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:21:07,689 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:21:07,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:21:07,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:07,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:21:07,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:07,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:21:07,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:07,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:21:07,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:07,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:21:07,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:21:07,795 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:21:07,795 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678838359] [2021-07-09 22:21:07,795 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678838359] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:21:07,795 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:21:07,795 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:21:07,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895667061] [2021-07-09 22:21:07,795 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:21:07,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:21:07,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:21:07,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:21:07,796 INFO L87 Difference]: Start difference. First operand 421 states and 527 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:08,955 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 65 [2021-07-09 22:21:09,123 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-07-09 22:21:09,296 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-09 22:21:09,607 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-07-09 22:21:09,835 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 80 [2021-07-09 22:21:10,292 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-09 22:21:10,459 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-09 22:21:10,608 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-07-09 22:21:10,827 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-09 22:21:11,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:21:11,645 INFO L93 Difference]: Finished difference Result 532 states and 676 transitions. [2021-07-09 22:21:11,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-09 22:21:11,645 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:21:11,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:21:11,645 INFO L225 Difference]: With dead ends: 532 [2021-07-09 22:21:11,645 INFO L226 Difference]: Without dead ends: 419 [2021-07-09 22:21:11,646 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 588 ImplicationChecksByTransitivity, 3809.0ms TimeCoverageRelationStatistics Valid=666, Invalid=3494, Unknown=0, NotChecked=0, Total=4160 [2021-07-09 22:21:11,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2021-07-09 22:21:11,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2021-07-09 22:21:11,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 418 states have (on average 1.2535885167464116) internal successors, (524), 418 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:11,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 524 transitions. [2021-07-09 22:21:11,649 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 524 transitions. Word has length 120 [2021-07-09 22:21:11,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:21:11,649 INFO L482 AbstractCegarLoop]: Abstraction has 419 states and 524 transitions. [2021-07-09 22:21:11,649 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:11,649 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 524 transitions. [2021-07-09 22:21:11,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:21:11,650 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:21:11,650 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:21:11,650 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-07-09 22:21:11,650 INFO L430 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:21:11,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:21:11,650 INFO L82 PathProgramCache]: Analyzing trace with hash 516428097, now seen corresponding path program 60 times [2021-07-09 22:21:11,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:21:11,651 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609418720] [2021-07-09 22:21:11,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:21:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:21:11,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:11,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:21:11,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:11,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:21:11,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:11,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:21:11,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:11,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:21:11,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:11,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:21:11,783 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-09 22:21:11,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:21:11,794 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-09 22:21:11,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:21:11,812 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-09 22:21:11,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:21:11,847 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-09 22:21:11,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:21:11,864 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-09 22:21:11,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:21:11,881 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-09 22:21:11,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:11,898 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-09 22:21:11,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:21:11,918 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-09 22:21:11,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:21:11,938 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:21:11,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:11,958 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:21:11,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:11,978 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:21:11,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:11,999 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:21:12,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:12,022 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:21:12,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:12,046 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:21:12,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:12,071 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-07-09 22:21:12,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-09 22:21:12,126 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:21:12,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:21:12,146 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:21:12,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:21:12,197 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:21:12,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:21:12,240 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:21:12,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:21:12,303 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:21:12,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:21:12,358 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-09 22:21:12,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:21:12,397 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-09 22:21:12,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:12,440 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-09 22:21:12,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:12,470 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:21:12,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:21:12,496 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:21:12,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:12,497 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:21:12,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:21:12,526 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:21:12,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:12,560 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:21:12,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:21:12,595 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:21:12,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:21:12,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:12,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:21:12,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:12,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:21:12,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:12,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:21:12,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:12,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:21:12,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:21:12,700 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:21:12,700 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609418720] [2021-07-09 22:21:12,700 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609418720] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:21:12,700 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:21:12,700 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:21:12,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995022611] [2021-07-09 22:21:12,700 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:21:12,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:21:12,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:21:12,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:21:12,701 INFO L87 Difference]: Start difference. First operand 419 states and 524 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:13,847 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2021-07-09 22:21:14,005 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2021-07-09 22:21:14,178 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2021-07-09 22:21:14,475 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 77 [2021-07-09 22:21:14,687 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-07-09 22:21:15,032 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 85 [2021-07-09 22:21:15,328 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2021-07-09 22:21:15,578 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 89 [2021-07-09 22:21:15,847 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 93 [2021-07-09 22:21:16,011 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2021-07-09 22:21:16,203 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2021-07-09 22:21:16,371 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 71 [2021-07-09 22:21:17,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:21:17,448 INFO L93 Difference]: Finished difference Result 526 states and 669 transitions. [2021-07-09 22:21:17,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-09 22:21:17,448 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:21:17,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:21:17,449 INFO L225 Difference]: With dead ends: 526 [2021-07-09 22:21:17,449 INFO L226 Difference]: Without dead ends: 404 [2021-07-09 22:21:17,449 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 687 ImplicationChecksByTransitivity, 4786.0ms TimeCoverageRelationStatistics Valid=848, Invalid=3982, Unknown=0, NotChecked=0, Total=4830 [2021-07-09 22:21:17,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2021-07-09 22:21:17,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2021-07-09 22:21:17,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 403 states have (on average 1.2531017369727047) internal successors, (505), 403 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:17,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 505 transitions. [2021-07-09 22:21:17,453 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 505 transitions. Word has length 120 [2021-07-09 22:21:17,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:21:17,453 INFO L482 AbstractCegarLoop]: Abstraction has 404 states and 505 transitions. [2021-07-09 22:21:17,453 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:17,453 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 505 transitions. [2021-07-09 22:21:17,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:21:17,453 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:21:17,453 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:21:17,454 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-07-09 22:21:17,454 INFO L430 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:21:17,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:21:17,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1431709019, now seen corresponding path program 61 times [2021-07-09 22:21:17,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:21:17,454 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326419635] [2021-07-09 22:21:17,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:21:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:21:17,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:17,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:21:17,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:17,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:21:17,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:17,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:21:17,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:17,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:21:17,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:17,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:21:17,587 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-09 22:21:17,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:21:17,609 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-09 22:21:17,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:21:17,643 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-09 22:21:17,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:21:17,681 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-09 22:21:17,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:21:17,697 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-09 22:21:17,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:21:17,715 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:21:17,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:21:17,732 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-09 22:21:17,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:21:17,752 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-09 22:21:17,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:21:17,773 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:21:17,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:21:17,793 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:21:17,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:21:17,814 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:21:17,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:17,835 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:21:17,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:17,858 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:21:17,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:17,882 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:21:17,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:17,907 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-09 22:21:17,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:21:17,936 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:21:17,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:17,955 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:21:17,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:21:17,982 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:21:17,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:21:18,011 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:21:18,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:21:18,041 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:21:18,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:21:18,071 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:21:18,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:18,104 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-09 22:21:18,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:21:18,138 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:21:18,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:21:18,170 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:21:18,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:18,195 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-09 22:21:18,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:21:18,225 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:21:18,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:18,257 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:21:18,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:18,258 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-09 22:21:18,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:21:18,293 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:21:18,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:21:18,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:18,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:21:18,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:18,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:21:18,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:18,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:21:18,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:18,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:21:18,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:21:18,401 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:21:18,401 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326419635] [2021-07-09 22:21:18,401 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326419635] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:21:18,401 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:21:18,401 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:21:18,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089031371] [2021-07-09 22:21:18,401 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:21:18,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:21:18,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:21:18,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:21:18,402 INFO L87 Difference]: Start difference. First operand 404 states and 505 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:19,597 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 65 [2021-07-09 22:21:19,758 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-07-09 22:21:19,930 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-09 22:21:20,223 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-07-09 22:21:20,433 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2021-07-09 22:21:20,782 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-07-09 22:21:21,324 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 88 [2021-07-09 22:21:21,500 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-09 22:21:21,652 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2021-07-09 22:21:21,844 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-09 22:21:22,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:21:22,985 INFO L93 Difference]: Finished difference Result 512 states and 651 transitions. [2021-07-09 22:21:22,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-09 22:21:22,986 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:21:22,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:21:22,986 INFO L225 Difference]: With dead ends: 512 [2021-07-09 22:21:22,986 INFO L226 Difference]: Without dead ends: 403 [2021-07-09 22:21:22,987 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 670 ImplicationChecksByTransitivity, 4461.6ms TimeCoverageRelationStatistics Valid=800, Invalid=3892, Unknown=0, NotChecked=0, Total=4692 [2021-07-09 22:21:22,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2021-07-09 22:21:22,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2021-07-09 22:21:22,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 402 states have (on average 1.2512437810945274) internal successors, (503), 402 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:22,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 503 transitions. [2021-07-09 22:21:22,990 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 503 transitions. Word has length 120 [2021-07-09 22:21:22,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:21:22,990 INFO L482 AbstractCegarLoop]: Abstraction has 403 states and 503 transitions. [2021-07-09 22:21:22,990 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:22,990 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 503 transitions. [2021-07-09 22:21:22,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:21:22,991 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:21:22,991 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:21:22,991 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-07-09 22:21:22,991 INFO L430 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:21:22,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:21:22,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1872340403, now seen corresponding path program 62 times [2021-07-09 22:21:22,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:21:22,991 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273589046] [2021-07-09 22:21:22,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:21:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:21:23,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:23,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:21:23,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:23,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:21:23,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:23,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:21:23,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:23,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:21:23,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:23,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:21:23,115 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-09 22:21:23,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:21:23,136 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-09 22:21:23,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:21:23,170 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-09 22:21:23,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:21:23,217 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-09 22:21:23,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:21:23,235 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-09 22:21:23,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:21:23,254 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:21:23,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:21:23,271 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-09 22:21:23,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:21:23,291 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-09 22:21:23,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:21:23,312 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:21:23,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:21:23,332 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:21:23,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:21:23,354 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:21:23,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:23,375 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:21:23,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:23,398 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:21:23,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:23,421 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:21:23,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:23,446 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-09 22:21:23,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:21:23,475 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:21:23,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:23,494 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:21:23,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:21:23,521 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:21:23,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:21:23,552 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:21:23,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:21:23,582 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:21:23,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:23,615 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:21:23,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:23,649 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-09 22:21:23,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:21:23,684 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:21:23,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:21:23,716 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:21:23,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:23,741 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-09 22:21:23,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:21:23,771 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:21:23,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:23,803 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:21:23,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:23,803 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-09 22:21:23,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:21:23,833 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:21:23,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:21:23,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:23,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:21:23,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:23,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:21:23,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:23,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:21:23,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:23,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:21:23,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:21:23,939 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:21:23,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273589046] [2021-07-09 22:21:23,939 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273589046] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:21:23,939 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:21:23,939 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:21:23,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030872151] [2021-07-09 22:21:23,939 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:21:23,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:21:23,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:21:23,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:21:23,940 INFO L87 Difference]: Start difference. First operand 403 states and 503 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:25,114 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 65 [2021-07-09 22:21:25,276 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-07-09 22:21:25,449 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-09 22:21:25,736 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-07-09 22:21:25,948 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2021-07-09 22:21:26,294 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-07-09 22:21:26,582 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-09 22:21:26,722 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2021-07-09 22:21:26,900 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-09 22:21:27,088 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-09 22:21:27,224 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-07-09 22:21:27,428 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-09 22:21:28,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:21:28,237 INFO L93 Difference]: Finished difference Result 513 states and 651 transitions. [2021-07-09 22:21:28,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-09 22:21:28,237 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:21:28,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:21:28,238 INFO L225 Difference]: With dead ends: 513 [2021-07-09 22:21:28,238 INFO L226 Difference]: Without dead ends: 401 [2021-07-09 22:21:28,238 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 654 ImplicationChecksByTransitivity, 4276.2ms TimeCoverageRelationStatistics Valid=755, Invalid=3801, Unknown=0, NotChecked=0, Total=4556 [2021-07-09 22:21:28,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2021-07-09 22:21:28,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2021-07-09 22:21:28,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 400 states have (on average 1.2475) internal successors, (499), 400 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:28,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 499 transitions. [2021-07-09 22:21:28,242 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 499 transitions. Word has length 120 [2021-07-09 22:21:28,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:21:28,242 INFO L482 AbstractCegarLoop]: Abstraction has 401 states and 499 transitions. [2021-07-09 22:21:28,242 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:28,242 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 499 transitions. [2021-07-09 22:21:28,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:21:28,243 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:21:28,243 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:21:28,243 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-07-09 22:21:28,243 INFO L430 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:21:28,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:21:28,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1614235921, now seen corresponding path program 63 times [2021-07-09 22:21:28,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:21:28,243 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811078563] [2021-07-09 22:21:28,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:21:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:21:28,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:28,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:21:28,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:28,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:21:28,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:28,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:21:28,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:28,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:21:28,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:28,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:21:28,378 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-09 22:21:28,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:21:28,400 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-09 22:21:28,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:21:28,432 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-09 22:21:28,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:21:28,470 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-09 22:21:28,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:21:28,486 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-09 22:21:28,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:21:28,504 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:21:28,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:21:28,521 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-09 22:21:28,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:21:28,541 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-09 22:21:28,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:21:28,562 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:21:28,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:21:28,583 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:21:28,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:21:28,603 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:21:28,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:28,625 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:21:28,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:28,647 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:21:28,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:28,671 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:21:28,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:28,697 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-09 22:21:28,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:21:28,727 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:21:28,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:28,747 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:21:28,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:21:28,774 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:21:28,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:21:28,804 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:21:28,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:28,836 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:21:28,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:28,868 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:21:28,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:28,902 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-09 22:21:28,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:21:28,937 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:21:28,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:21:28,970 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:21:28,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:29,005 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-09 22:21:29,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:21:29,035 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:21:29,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:29,067 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:21:29,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:29,067 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-09 22:21:29,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:21:29,096 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:21:29,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:21:29,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:29,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:21:29,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:29,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:21:29,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:29,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:21:29,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:29,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:21:29,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:21:29,204 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:21:29,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811078563] [2021-07-09 22:21:29,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811078563] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:21:29,204 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:21:29,204 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:21:29,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922684027] [2021-07-09 22:21:29,204 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:21:29,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:21:29,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:21:29,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:21:29,205 INFO L87 Difference]: Start difference. First operand 401 states and 499 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:30,354 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 65 [2021-07-09 22:21:30,514 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-07-09 22:21:30,686 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-07-09 22:21:30,978 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-07-09 22:21:31,189 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2021-07-09 22:21:31,723 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-09 22:21:31,899 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-07-09 22:21:32,087 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-07-09 22:21:32,239 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-07-09 22:21:32,463 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-09 22:21:33,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:21:33,260 INFO L93 Difference]: Finished difference Result 512 states and 648 transitions. [2021-07-09 22:21:33,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 22:21:33,260 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:21:33,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:21:33,261 INFO L225 Difference]: With dead ends: 512 [2021-07-09 22:21:33,261 INFO L226 Difference]: Without dead ends: 400 [2021-07-09 22:21:33,261 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 637 ImplicationChecksByTransitivity, 4077.5ms TimeCoverageRelationStatistics Valid=713, Invalid=3709, Unknown=0, NotChecked=0, Total=4422 [2021-07-09 22:21:33,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2021-07-09 22:21:33,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2021-07-09 22:21:33,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 399 states have (on average 1.2456140350877194) internal successors, (497), 399 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:33,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 497 transitions. [2021-07-09 22:21:33,264 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 497 transitions. Word has length 120 [2021-07-09 22:21:33,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:21:33,264 INFO L482 AbstractCegarLoop]: Abstraction has 400 states and 497 transitions. [2021-07-09 22:21:33,264 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:33,264 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 497 transitions. [2021-07-09 22:21:33,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:21:33,265 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:21:33,265 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:21:33,265 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-07-09 22:21:33,265 INFO L430 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:21:33,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:21:33,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1325430431, now seen corresponding path program 64 times [2021-07-09 22:21:33,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:21:33,266 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938604440] [2021-07-09 22:21:33,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:21:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:21:33,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:33,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:21:33,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:33,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:21:33,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:33,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:21:33,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:33,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:21:33,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:33,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:21:33,410 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-07-09 22:21:33,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 22:21:33,430 INFO L142 QuantifierPusher]: treesize reduction 20, result has 67.7 percent of original size [2021-07-09 22:21:33,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:21:33,470 INFO L142 QuantifierPusher]: treesize reduction 20, result has 71.8 percent of original size [2021-07-09 22:21:33,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:21:33,508 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.9 percent of original size [2021-07-09 22:21:33,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:21:33,536 INFO L142 QuantifierPusher]: treesize reduction 12, result has 78.6 percent of original size [2021-07-09 22:21:33,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:21:33,565 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-07-09 22:21:33,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:21:33,593 INFO L142 QuantifierPusher]: treesize reduction 16, result has 75.0 percent of original size [2021-07-09 22:21:33,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-09 22:21:33,628 INFO L142 QuantifierPusher]: treesize reduction 16, result has 76.5 percent of original size [2021-07-09 22:21:33,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 22:21:33,663 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-09 22:21:33,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:21:33,697 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-09 22:21:33,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:21:33,733 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-09 22:21:33,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:21:33,769 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-09 22:21:33,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:21:33,809 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-09 22:21:33,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:21:33,853 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-09 22:21:33,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:21:33,901 INFO L142 QuantifierPusher]: treesize reduction 39, result has 61.8 percent of original size [2021-07-09 22:21:33,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-07-09 22:21:33,956 INFO L142 QuantifierPusher]: treesize reduction 39, result has 59.8 percent of original size [2021-07-09 22:21:33,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-09 22:21:33,979 INFO L142 QuantifierPusher]: treesize reduction 44, result has 54.2 percent of original size [2021-07-09 22:21:33,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 22:21:34,031 INFO L142 QuantifierPusher]: treesize reduction 39, result has 59.8 percent of original size [2021-07-09 22:21:34,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-09 22:21:34,086 INFO L142 QuantifierPusher]: treesize reduction 39, result has 59.8 percent of original size [2021-07-09 22:21:34,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-09 22:21:34,143 INFO L142 QuantifierPusher]: treesize reduction 39, result has 59.8 percent of original size [2021-07-09 22:21:34,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-09 22:21:34,201 INFO L142 QuantifierPusher]: treesize reduction 39, result has 59.8 percent of original size [2021-07-09 22:21:34,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-09 22:21:34,261 INFO L142 QuantifierPusher]: treesize reduction 56, result has 58.8 percent of original size [2021-07-09 22:21:34,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-07-09 22:21:34,334 INFO L142 QuantifierPusher]: treesize reduction 31, result has 58.1 percent of original size [2021-07-09 22:21:34,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:21:34,382 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-09 22:21:34,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:21:34,412 INFO L142 QuantifierPusher]: treesize reduction 41, result has 43.8 percent of original size [2021-07-09 22:21:34,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:21:34,456 INFO L142 QuantifierPusher]: treesize reduction 29, result has 56.7 percent of original size [2021-07-09 22:21:34,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:21:34,502 INFO L142 QuantifierPusher]: treesize reduction 29, result has 56.7 percent of original size [2021-07-09 22:21:34,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:21:34,503 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 22:21:34,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:21:34,533 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:21:34,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:21:34,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:34,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:21:34,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:34,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:21:34,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:34,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:21:34,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:34,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:21:34,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:21:34,643 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:21:34,643 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938604440] [2021-07-09 22:21:34,643 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938604440] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:21:34,643 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:21:34,643 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:21:34,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742519628] [2021-07-09 22:21:34,644 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:21:34,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:21:34,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:21:34,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:21:34,644 INFO L87 Difference]: Start difference. First operand 400 states and 497 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:35,712 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 63 [2021-07-09 22:21:35,890 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 68 [2021-07-09 22:21:36,078 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 72 [2021-07-09 22:21:36,284 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 78 [2021-07-09 22:21:36,611 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 80 [2021-07-09 22:21:36,916 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2021-07-09 22:21:37,083 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2021-07-09 22:21:37,292 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2021-07-09 22:21:37,515 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 82 [2021-07-09 22:21:37,713 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 80 [2021-07-09 22:21:38,104 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 82 [2021-07-09 22:21:38,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:21:38,935 INFO L93 Difference]: Finished difference Result 470 states and 587 transitions. [2021-07-09 22:21:38,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-09 22:21:38,935 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:21:38,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:21:38,936 INFO L225 Difference]: With dead ends: 470 [2021-07-09 22:21:38,936 INFO L226 Difference]: Without dead ends: 349 [2021-07-09 22:21:38,936 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 624 ImplicationChecksByTransitivity, 4652.9ms TimeCoverageRelationStatistics Valid=675, Invalid=3615, Unknown=0, NotChecked=0, Total=4290 [2021-07-09 22:21:38,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2021-07-09 22:21:38,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2021-07-09 22:21:38,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 348 states have (on average 1.2270114942528736) internal successors, (427), 348 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:38,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 427 transitions. [2021-07-09 22:21:38,939 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 427 transitions. Word has length 120 [2021-07-09 22:21:38,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:21:38,939 INFO L482 AbstractCegarLoop]: Abstraction has 349 states and 427 transitions. [2021-07-09 22:21:38,939 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:38,939 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 427 transitions. [2021-07-09 22:21:38,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:21:38,939 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:21:38,940 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:21:38,940 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-07-09 22:21:38,940 INFO L430 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:21:38,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:21:38,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1120043383, now seen corresponding path program 65 times [2021-07-09 22:21:38,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:21:38,940 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806463281] [2021-07-09 22:21:38,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:21:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:21:39,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:39,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:21:39,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:39,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:21:39,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:39,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:21:39,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:39,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:21:39,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:39,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:21:39,073 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-09 22:21:39,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:21:39,085 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-09 22:21:39,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:21:39,103 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-09 22:21:39,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:21:39,139 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-09 22:21:39,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:21:39,156 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-09 22:21:39,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:21:39,174 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-09 22:21:39,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:39,192 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-09 22:21:39,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:21:39,212 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-09 22:21:39,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:21:39,234 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:21:39,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:39,255 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:21:39,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:39,276 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:21:39,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:39,298 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:21:39,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:39,322 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:21:39,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:39,347 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:21:39,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:39,373 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:21:39,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:39,400 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-07-09 22:21:39,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-09 22:21:39,446 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:21:39,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:21:39,469 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:21:39,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:21:39,513 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:21:39,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:21:39,569 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-09 22:21:39,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:39,628 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-09 22:21:39,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:21:39,671 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-09 22:21:39,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:39,729 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-09 22:21:39,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:39,760 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:21:39,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:21:39,787 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:21:39,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:39,787 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:21:39,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:21:39,817 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:21:39,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:39,850 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:21:39,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:21:39,879 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:21:39,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:21:39,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:39,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:21:39,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:39,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:21:39,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:39,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:21:39,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:39,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:21:39,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:21:39,988 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:21:39,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806463281] [2021-07-09 22:21:39,988 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806463281] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:21:39,988 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:21:39,988 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:21:39,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883756870] [2021-07-09 22:21:39,988 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:21:39,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:21:39,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:21:39,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:21:39,989 INFO L87 Difference]: Start difference. First operand 349 states and 427 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:41,183 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 66 [2021-07-09 22:21:41,347 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2021-07-09 22:21:41,532 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 74 [2021-07-09 22:21:41,729 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 79 [2021-07-09 22:21:42,073 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 83 [2021-07-09 22:21:42,379 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-07-09 22:21:42,664 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 91 [2021-07-09 22:21:42,959 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-09 22:21:44,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:21:44,206 INFO L93 Difference]: Finished difference Result 459 states and 576 transitions. [2021-07-09 22:21:44,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-09 22:21:44,206 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:21:44,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:21:44,206 INFO L225 Difference]: With dead ends: 459 [2021-07-09 22:21:44,207 INFO L226 Difference]: Without dead ends: 363 [2021-07-09 22:21:44,207 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 559 ImplicationChecksByTransitivity, 4213.7ms TimeCoverageRelationStatistics Valid=729, Invalid=3431, Unknown=0, NotChecked=0, Total=4160 [2021-07-09 22:21:44,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2021-07-09 22:21:44,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 352. [2021-07-09 22:21:44,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 351 states have (on average 1.2393162393162394) internal successors, (435), 351 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:44,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 435 transitions. [2021-07-09 22:21:44,210 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 435 transitions. Word has length 120 [2021-07-09 22:21:44,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:21:44,210 INFO L482 AbstractCegarLoop]: Abstraction has 352 states and 435 transitions. [2021-07-09 22:21:44,210 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:44,210 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 435 transitions. [2021-07-09 22:21:44,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:21:44,210 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:21:44,211 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:21:44,211 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-07-09 22:21:44,211 INFO L430 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:21:44,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:21:44,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1468180153, now seen corresponding path program 66 times [2021-07-09 22:21:44,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:21:44,211 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627212973] [2021-07-09 22:21:44,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:21:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:21:44,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:44,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:21:44,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:44,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:21:44,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:44,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:21:44,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:44,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:21:44,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:44,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:21:44,338 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-09 22:21:44,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:21:44,350 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-09 22:21:44,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:21:44,368 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-09 22:21:44,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:21:44,404 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-09 22:21:44,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:21:44,421 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-09 22:21:44,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:21:44,439 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-09 22:21:44,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:44,457 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-09 22:21:44,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:21:44,477 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-09 22:21:44,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:21:44,498 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:21:44,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:44,519 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:21:44,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:44,540 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:21:44,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:44,561 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:21:44,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:44,585 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:21:44,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:44,610 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:21:44,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:44,636 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:21:44,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:44,664 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-07-09 22:21:44,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-09 22:21:44,725 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:21:44,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:21:44,747 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:21:44,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:21:44,792 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:21:44,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:21:44,848 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:21:44,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:21:44,904 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-09 22:21:44,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:21:44,945 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-09 22:21:44,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:44,988 INFO L142 QuantifierPusher]: treesize reduction 26, result has 46.9 percent of original size [2021-07-09 22:21:44,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:45,019 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:21:45,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:21:45,046 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:21:45,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:45,047 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:21:45,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:21:45,077 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:21:45,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:45,109 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:21:45,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:21:45,139 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:21:45,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:21:45,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:45,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:21:45,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:45,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:21:45,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:45,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:21:45,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:45,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:21:45,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:21:45,247 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:21:45,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627212973] [2021-07-09 22:21:45,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627212973] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:21:45,247 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:21:45,247 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:21:45,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546210973] [2021-07-09 22:21:45,248 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:21:45,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:21:45,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:21:45,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:21:45,248 INFO L87 Difference]: Start difference. First operand 352 states and 435 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:46,425 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 66 [2021-07-09 22:21:46,592 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2021-07-09 22:21:46,771 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 74 [2021-07-09 22:21:46,966 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 79 [2021-07-09 22:21:47,301 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 83 [2021-07-09 22:21:47,599 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-07-09 22:21:47,870 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 89 [2021-07-09 22:21:48,144 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-09 22:21:49,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:21:49,609 INFO L93 Difference]: Finished difference Result 462 states and 579 transitions. [2021-07-09 22:21:49,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 22:21:49,610 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:21:49,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:21:49,610 INFO L225 Difference]: With dead ends: 462 [2021-07-09 22:21:49,610 INFO L226 Difference]: Without dead ends: 366 [2021-07-09 22:21:49,611 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 4377.7ms TimeCoverageRelationStatistics Valid=767, Invalid=3655, Unknown=0, NotChecked=0, Total=4422 [2021-07-09 22:21:49,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-07-09 22:21:49,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 353. [2021-07-09 22:21:49,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 352 states have (on average 1.2357954545454546) internal successors, (435), 352 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:49,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 435 transitions. [2021-07-09 22:21:49,613 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 435 transitions. Word has length 120 [2021-07-09 22:21:49,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:21:49,614 INFO L482 AbstractCegarLoop]: Abstraction has 353 states and 435 transitions. [2021-07-09 22:21:49,614 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:49,614 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 435 transitions. [2021-07-09 22:21:49,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:21:49,614 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:21:49,614 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:21:49,614 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-07-09 22:21:49,614 INFO L430 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:21:49,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:21:49,615 INFO L82 PathProgramCache]: Analyzing trace with hash -923433961, now seen corresponding path program 67 times [2021-07-09 22:21:49,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:21:49,615 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504115802] [2021-07-09 22:21:49,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:21:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:21:49,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:49,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:21:49,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:49,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:21:49,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:49,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:21:49,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:49,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:21:49,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:49,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:21:49,749 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-09 22:21:49,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:21:49,769 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-09 22:21:49,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:21:49,802 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-09 22:21:49,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:21:49,840 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-09 22:21:49,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:21:49,856 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-09 22:21:49,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:21:49,874 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:21:49,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:21:49,892 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-09 22:21:49,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:21:49,912 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-09 22:21:49,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:21:49,932 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:21:49,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:21:49,953 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:21:49,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:21:49,973 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:21:49,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:49,995 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:21:49,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:50,018 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:21:50,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:50,043 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:21:50,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:50,068 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:21:50,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:50,095 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-09 22:21:50,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:21:50,126 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:21:50,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:50,147 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:21:50,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:50,177 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:21:50,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:50,208 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:21:50,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:21:50,240 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:21:50,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:50,273 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-09 22:21:50,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:21:50,308 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:21:50,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:21:50,341 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:21:50,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:50,366 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-09 22:21:50,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:21:50,396 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:21:50,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:50,428 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:21:50,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:50,429 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-09 22:21:50,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:21:50,460 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:21:50,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:21:50,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:50,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:21:50,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:50,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:21:50,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:50,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:21:50,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:50,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:21:50,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:21:50,577 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:21:50,577 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504115802] [2021-07-09 22:21:50,577 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504115802] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:21:50,577 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:21:50,578 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:21:50,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619661612] [2021-07-09 22:21:50,578 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:21:50,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:21:50,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:21:50,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:21:50,578 INFO L87 Difference]: Start difference. First operand 353 states and 435 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:51,792 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-07-09 22:21:51,954 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2021-07-09 22:21:52,133 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2021-07-09 22:21:52,330 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-09 22:21:52,671 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-09 22:21:52,961 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 86 [2021-07-09 22:21:53,228 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 88 [2021-07-09 22:21:54,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:21:54,635 INFO L93 Difference]: Finished difference Result 456 states and 570 transitions. [2021-07-09 22:21:54,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-09 22:21:54,635 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:21:54,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:21:54,636 INFO L225 Difference]: With dead ends: 456 [2021-07-09 22:21:54,636 INFO L226 Difference]: Without dead ends: 361 [2021-07-09 22:21:54,636 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 571 ImplicationChecksByTransitivity, 3965.5ms TimeCoverageRelationStatistics Valid=704, Invalid=3456, Unknown=0, NotChecked=0, Total=4160 [2021-07-09 22:21:54,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2021-07-09 22:21:54,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 351. [2021-07-09 22:21:54,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 350 states have (on average 1.2342857142857142) internal successors, (432), 350 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:54,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 432 transitions. [2021-07-09 22:21:54,639 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 432 transitions. Word has length 120 [2021-07-09 22:21:54,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:21:54,639 INFO L482 AbstractCegarLoop]: Abstraction has 351 states and 432 transitions. [2021-07-09 22:21:54,639 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:54,639 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 432 transitions. [2021-07-09 22:21:54,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:21:54,640 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:21:54,640 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:21:54,640 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-07-09 22:21:54,640 INFO L430 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:21:54,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:21:54,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1637458569, now seen corresponding path program 68 times [2021-07-09 22:21:54,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:21:54,640 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122217823] [2021-07-09 22:21:54,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:21:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:21:54,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:54,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:21:54,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:54,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:21:54,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:54,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:21:54,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:54,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:21:54,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:54,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:21:54,771 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-09 22:21:54,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:21:54,783 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-09 22:21:54,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:21:54,801 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-09 22:21:54,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:21:54,838 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-09 22:21:54,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:21:54,855 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-09 22:21:54,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:21:54,872 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-09 22:21:54,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:54,890 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-09 22:21:54,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:21:54,909 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-09 22:21:54,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:21:54,930 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:21:54,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:54,950 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:21:54,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:54,970 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:21:54,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:54,992 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:21:54,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:55,015 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:21:55,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:55,039 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:21:55,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:55,065 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:21:55,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:21:55,092 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-07-09 22:21:55,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-09 22:21:55,135 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:21:55,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:21:55,158 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:21:55,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:21:55,201 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:21:55,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:21:55,244 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:21:55,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:21:55,299 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-09 22:21:55,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:21:55,339 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-09 22:21:55,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:21:55,381 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-09 22:21:55,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:55,412 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:21:55,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:21:55,439 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:21:55,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:55,439 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:21:55,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:21:55,475 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:21:55,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:21:55,507 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:21:55,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:21:55,536 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:21:55,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:21:55,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:55,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:21:55,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:55,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:21:55,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:55,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:21:55,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:21:55,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:21:55,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:21:55,644 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:21:55,644 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122217823] [2021-07-09 22:21:55,644 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122217823] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:21:55,644 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:21:55,645 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:21:55,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480029964] [2021-07-09 22:21:55,645 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:21:55,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:21:55,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:21:55,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:21:55,645 INFO L87 Difference]: Start difference. First operand 351 states and 432 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:21:56,808 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 66 [2021-07-09 22:21:56,971 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2021-07-09 22:21:57,149 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 74 [2021-07-09 22:21:57,348 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 79 [2021-07-09 22:21:57,684 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 83 [2021-07-09 22:21:57,935 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 85 [2021-07-09 22:21:58,323 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 89 [2021-07-09 22:21:58,595 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-09 22:21:58,884 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-07-09 22:22:00,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:22:00,090 INFO L93 Difference]: Finished difference Result 466 states and 583 transitions. [2021-07-09 22:22:00,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-09 22:22:00,090 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:22:00,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:22:00,091 INFO L225 Difference]: With dead ends: 466 [2021-07-09 22:22:00,091 INFO L226 Difference]: Without dead ends: 367 [2021-07-09 22:22:00,091 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 636 ImplicationChecksByTransitivity, 4450.6ms TimeCoverageRelationStatistics Valid=791, Invalid=3765, Unknown=0, NotChecked=0, Total=4556 [2021-07-09 22:22:00,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2021-07-09 22:22:00,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 354. [2021-07-09 22:22:00,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 353 states have (on average 1.2322946175637395) internal successors, (435), 353 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:00,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 435 transitions. [2021-07-09 22:22:00,094 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 435 transitions. Word has length 120 [2021-07-09 22:22:00,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:22:00,094 INFO L482 AbstractCegarLoop]: Abstraction has 354 states and 435 transitions. [2021-07-09 22:22:00,094 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:00,094 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 435 transitions. [2021-07-09 22:22:00,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:22:00,095 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:22:00,095 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:22:00,095 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-07-09 22:22:00,095 INFO L430 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:22:00,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:22:00,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1046489955, now seen corresponding path program 69 times [2021-07-09 22:22:00,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:22:00,095 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657097864] [2021-07-09 22:22:00,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:22:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:22:00,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:00,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:22:00,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:00,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:22:00,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:00,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:22:00,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:00,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:22:00,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:00,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:22:00,224 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-09 22:22:00,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:22:00,247 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-09 22:22:00,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:22:00,281 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-09 22:22:00,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:22:00,319 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-09 22:22:00,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:22:00,342 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-09 22:22:00,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:22:00,359 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:22:00,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:22:00,377 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-09 22:22:00,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:22:00,396 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-09 22:22:00,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:22:00,417 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:22:00,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:22:00,437 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:22:00,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:22:00,457 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:22:00,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:00,479 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:22:00,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:00,501 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:22:00,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:00,526 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:22:00,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:00,551 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:22:00,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:00,579 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-09 22:22:00,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:22:00,611 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:22:00,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:00,632 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:22:00,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:00,663 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:22:00,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:22:00,693 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:22:00,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:22:00,725 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:22:00,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:00,759 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-09 22:22:00,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:22:00,794 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:22:00,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:22:00,826 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:22:00,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:00,852 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-09 22:22:00,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:22:00,897 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:22:00,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:00,931 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:22:00,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:00,932 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-09 22:22:00,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:22:00,962 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:22:00,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:22:00,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:00,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:22:01,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:01,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:22:01,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:01,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:22:01,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:01,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:22:01,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:22:01,068 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:22:01,068 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657097864] [2021-07-09 22:22:01,068 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657097864] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:22:01,068 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:22:01,068 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:22:01,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710668057] [2021-07-09 22:22:01,068 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:22:01,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:22:01,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:22:01,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:22:01,069 INFO L87 Difference]: Start difference. First operand 354 states and 435 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:02,240 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-07-09 22:22:02,402 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2021-07-09 22:22:02,581 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2021-07-09 22:22:02,776 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-09 22:22:03,115 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-09 22:22:03,364 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 84 [2021-07-09 22:22:03,754 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 88 [2021-07-09 22:22:04,165 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-09 22:22:05,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:22:05,281 INFO L93 Difference]: Finished difference Result 460 states and 574 transitions. [2021-07-09 22:22:05,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 22:22:05,281 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:22:05,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:22:05,282 INFO L225 Difference]: With dead ends: 460 [2021-07-09 22:22:05,282 INFO L226 Difference]: Without dead ends: 366 [2021-07-09 22:22:05,282 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 621 ImplicationChecksByTransitivity, 4203.3ms TimeCoverageRelationStatistics Valid=745, Invalid=3677, Unknown=0, NotChecked=0, Total=4422 [2021-07-09 22:22:05,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-07-09 22:22:05,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 353. [2021-07-09 22:22:05,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 352 states have (on average 1.2301136363636365) internal successors, (433), 352 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:05,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 433 transitions. [2021-07-09 22:22:05,285 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 433 transitions. Word has length 120 [2021-07-09 22:22:05,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:22:05,285 INFO L482 AbstractCegarLoop]: Abstraction has 353 states and 433 transitions. [2021-07-09 22:22:05,285 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:05,285 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 433 transitions. [2021-07-09 22:22:05,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:22:05,286 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:22:05,286 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:22:05,286 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-07-09 22:22:05,286 INFO L430 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:22:05,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:22:05,286 INFO L82 PathProgramCache]: Analyzing trace with hash -605858571, now seen corresponding path program 70 times [2021-07-09 22:22:05,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:22:05,286 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323685140] [2021-07-09 22:22:05,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:22:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:22:05,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:05,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:22:05,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:05,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:22:05,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:05,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:22:05,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:05,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:22:05,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:05,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:22:05,423 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-09 22:22:05,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:22:05,447 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-09 22:22:05,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:22:05,486 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-09 22:22:05,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:22:05,527 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-09 22:22:05,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:22:05,545 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-09 22:22:05,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:22:05,565 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:22:05,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:22:05,584 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-09 22:22:05,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:22:05,605 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-09 22:22:05,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:22:05,627 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:22:05,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:22:05,648 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:22:05,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:22:05,669 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:22:05,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:05,691 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:22:05,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:05,715 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:22:05,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:05,739 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:22:05,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:05,766 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:22:05,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:05,793 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-09 22:22:05,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:22:05,824 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:22:05,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:05,845 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:22:05,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:05,876 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:22:05,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:22:05,906 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:22:05,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:05,938 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:22:05,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:05,971 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-09 22:22:05,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:22:06,006 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:22:06,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:22:06,038 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:22:06,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:06,063 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-09 22:22:06,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:22:06,094 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:22:06,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:06,126 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:22:06,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:06,127 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-09 22:22:06,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:22:06,156 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:22:06,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:22:06,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:06,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:22:06,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:06,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:22:06,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:06,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:22:06,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:06,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:22:06,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:22:06,270 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:22:06,270 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323685140] [2021-07-09 22:22:06,270 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323685140] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:22:06,270 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:22:06,270 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:22:06,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920516536] [2021-07-09 22:22:06,270 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:22:06,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:22:06,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:22:06,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:22:06,271 INFO L87 Difference]: Start difference. First operand 353 states and 433 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:07,435 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-07-09 22:22:07,598 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2021-07-09 22:22:07,777 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2021-07-09 22:22:07,975 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-09 22:22:08,311 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-07-09 22:22:08,558 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 84 [2021-07-09 22:22:09,000 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-09 22:22:09,135 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-07-09 22:22:09,341 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-09 22:22:10,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:22:10,149 INFO L93 Difference]: Finished difference Result 456 states and 568 transitions. [2021-07-09 22:22:10,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-09 22:22:10,149 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:22:10,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:22:10,149 INFO L225 Difference]: With dead ends: 456 [2021-07-09 22:22:10,149 INFO L226 Difference]: Without dead ends: 357 [2021-07-09 22:22:10,150 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 3864.8ms TimeCoverageRelationStatistics Valid=683, Invalid=3477, Unknown=0, NotChecked=0, Total=4160 [2021-07-09 22:22:10,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2021-07-09 22:22:10,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 349. [2021-07-09 22:22:10,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 348 states have (on average 1.2241379310344827) internal successors, (426), 348 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:10,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 426 transitions. [2021-07-09 22:22:10,153 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 426 transitions. Word has length 120 [2021-07-09 22:22:10,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:22:10,153 INFO L482 AbstractCegarLoop]: Abstraction has 349 states and 426 transitions. [2021-07-09 22:22:10,153 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:10,153 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 426 transitions. [2021-07-09 22:22:10,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:22:10,153 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:22:10,153 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:22:10,153 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-07-09 22:22:10,154 INFO L430 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:22:10,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:22:10,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1303099017, now seen corresponding path program 71 times [2021-07-09 22:22:10,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:22:10,154 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809713662] [2021-07-09 22:22:10,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:22:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:22:10,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:10,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:22:10,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:10,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:22:10,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:10,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:22:10,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:10,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:22:10,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:10,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:22:10,289 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-09 22:22:10,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:22:10,301 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-09 22:22:10,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:22:10,319 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-09 22:22:10,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:22:10,354 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-09 22:22:10,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:22:10,371 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-09 22:22:10,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:22:10,388 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-09 22:22:10,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:10,405 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-09 22:22:10,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:22:10,425 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-09 22:22:10,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:22:10,447 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:22:10,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:10,467 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:22:10,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:10,488 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:10,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:10,509 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:10,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:10,532 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:10,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:10,557 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:10,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:10,582 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:10,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:10,609 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-07-09 22:22:10,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-09 22:22:10,653 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:22:10,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:22:10,675 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:22:10,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:22:10,716 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:22:10,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:22:10,759 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:22:10,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:22:10,813 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-09 22:22:10,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:22:10,853 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-09 22:22:10,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:10,898 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-09 22:22:10,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:10,930 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:22:10,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:22:10,967 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:22:10,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:10,968 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:22:10,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:22:10,998 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:22:10,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:11,030 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:22:11,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:22:11,059 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:22:11,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:22:11,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:11,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:22:11,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:11,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:22:11,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:11,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:22:11,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:11,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:22:11,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:22:11,173 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:22:11,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809713662] [2021-07-09 22:22:11,173 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809713662] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:22:11,173 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:22:11,173 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:22:11,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365853985] [2021-07-09 22:22:11,173 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:22:11,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:22:11,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:22:11,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:22:11,174 INFO L87 Difference]: Start difference. First operand 349 states and 426 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:12,404 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 66 [2021-07-09 22:22:12,566 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2021-07-09 22:22:12,745 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 74 [2021-07-09 22:22:12,941 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 79 [2021-07-09 22:22:13,265 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 81 [2021-07-09 22:22:13,493 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 85 [2021-07-09 22:22:13,996 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 89 [2021-07-09 22:22:14,264 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 93 [2021-07-09 22:22:14,585 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2021-07-09 22:22:14,736 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2021-07-09 22:22:15,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:22:15,826 INFO L93 Difference]: Finished difference Result 454 states and 564 transitions. [2021-07-09 22:22:15,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-09 22:22:15,826 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:22:15,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:22:15,827 INFO L225 Difference]: With dead ends: 454 [2021-07-09 22:22:15,827 INFO L226 Difference]: Without dead ends: 348 [2021-07-09 22:22:15,827 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 662 ImplicationChecksByTransitivity, 4631.6ms TimeCoverageRelationStatistics Valid=818, Invalid=3874, Unknown=0, NotChecked=0, Total=4692 [2021-07-09 22:22:15,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2021-07-09 22:22:15,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 343. [2021-07-09 22:22:15,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 342 states have (on average 1.2280701754385965) internal successors, (420), 342 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:15,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 420 transitions. [2021-07-09 22:22:15,830 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 420 transitions. Word has length 120 [2021-07-09 22:22:15,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:22:15,830 INFO L482 AbstractCegarLoop]: Abstraction has 343 states and 420 transitions. [2021-07-09 22:22:15,830 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:15,830 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 420 transitions. [2021-07-09 22:22:15,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:22:15,830 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:22:15,830 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:22:15,830 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-07-09 22:22:15,831 INFO L430 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:22:15,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:22:15,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1944757953, now seen corresponding path program 72 times [2021-07-09 22:22:15,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:22:15,831 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975777735] [2021-07-09 22:22:15,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:22:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:22:15,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:15,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:22:15,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:15,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:22:15,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:15,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:22:15,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:15,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:22:15,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:15,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:22:15,957 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-09 22:22:15,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:22:15,979 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-09 22:22:15,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:22:16,011 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-09 22:22:16,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:22:16,057 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-09 22:22:16,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:22:16,074 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-09 22:22:16,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:22:16,092 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:22:16,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:22:16,110 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-09 22:22:16,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:22:16,130 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-09 22:22:16,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:22:16,152 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:22:16,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:22:16,173 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:22:16,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:22:16,193 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:22:16,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:16,214 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:22:16,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:16,238 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:22:16,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:16,262 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:22:16,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:16,289 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:22:16,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:16,316 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-09 22:22:16,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:22:16,348 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:22:16,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:16,370 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:22:16,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:22:16,400 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:22:16,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:22:16,431 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:22:16,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:22:16,462 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:22:16,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:16,496 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-09 22:22:16,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:22:16,530 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:22:16,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:22:16,563 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:22:16,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:16,588 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-09 22:22:16,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:22:16,618 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:22:16,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:16,650 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:22:16,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:16,651 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-09 22:22:16,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:22:16,680 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:22:16,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:22:16,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:16,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:22:16,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:16,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:22:16,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:16,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:22:16,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:16,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:22:16,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:22:16,786 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:22:16,786 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975777735] [2021-07-09 22:22:16,786 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975777735] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:22:16,786 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:22:16,786 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:22:16,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961278940] [2021-07-09 22:22:16,787 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:22:16,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:22:16,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:22:16,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:22:16,787 INFO L87 Difference]: Start difference. First operand 343 states and 420 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:17,950 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-07-09 22:22:18,112 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2021-07-09 22:22:18,291 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2021-07-09 22:22:18,482 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-09 22:22:18,799 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2021-07-09 22:22:19,027 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-07-09 22:22:19,530 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 88 [2021-07-09 22:22:19,687 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-09 22:22:19,989 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-09 22:22:21,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:22:21,144 INFO L93 Difference]: Finished difference Result 441 states and 548 transitions. [2021-07-09 22:22:21,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-09 22:22:21,144 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:22:21,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:22:21,145 INFO L225 Difference]: With dead ends: 441 [2021-07-09 22:22:21,145 INFO L226 Difference]: Without dead ends: 347 [2021-07-09 22:22:21,145 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 646 ImplicationChecksByTransitivity, 4338.3ms TimeCoverageRelationStatistics Valid=771, Invalid=3785, Unknown=0, NotChecked=0, Total=4556 [2021-07-09 22:22:21,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2021-07-09 22:22:21,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 342. [2021-07-09 22:22:21,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 341 states have (on average 1.2258064516129032) internal successors, (418), 341 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:21,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 418 transitions. [2021-07-09 22:22:21,148 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 418 transitions. Word has length 120 [2021-07-09 22:22:21,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:22:21,148 INFO L482 AbstractCegarLoop]: Abstraction has 342 states and 418 transitions. [2021-07-09 22:22:21,148 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:21,148 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 418 transitions. [2021-07-09 22:22:21,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:22:21,148 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:22:21,148 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:22:21,148 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-07-09 22:22:21,149 INFO L430 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:22:21,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:22:21,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1504126569, now seen corresponding path program 73 times [2021-07-09 22:22:21,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:22:21,149 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86586523] [2021-07-09 22:22:21,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:22:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:22:21,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:21,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:22:21,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:21,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:22:21,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:21,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:22:21,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:21,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:22:21,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:21,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:22:21,276 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-07-09 22:22:21,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:22:21,298 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-07-09 22:22:21,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:22:21,329 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-07-09 22:22:21,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 22:22:21,367 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-07-09 22:22:21,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:22:21,383 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-07-09 22:22:21,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:22:21,401 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-07-09 22:22:21,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:22:21,418 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-09 22:22:21,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:22:21,437 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-09 22:22:21,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:22:21,458 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:22:21,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:22:21,478 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:22:21,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:22:21,498 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:22:21,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:21,519 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:22:21,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:21,543 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:22:21,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:21,567 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:22:21,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:21,593 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:22:21,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:21,620 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-09 22:22:21,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:22:21,652 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:22:21,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:21,673 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:22:21,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:22:21,703 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:22:21,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:22:21,733 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:22:21,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:21,766 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:22:21,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:21,800 INFO L142 QuantifierPusher]: treesize reduction 53, result has 39.1 percent of original size [2021-07-09 22:22:21,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:22:21,835 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-07-09 22:22:21,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:22:21,874 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:22:21,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:21,899 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-07-09 22:22:21,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:22:21,929 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:22:21,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:21,961 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 22:22:21,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:21,961 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-07-09 22:22:21,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:22:21,991 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:22:21,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:22:22,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:22,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:22:22,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:22,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:22:22,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:22,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:22:22,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:22,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:22:22,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:22:22,099 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:22:22,099 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86586523] [2021-07-09 22:22:22,099 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86586523] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:22:22,099 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:22:22,099 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:22:22,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681243594] [2021-07-09 22:22:22,099 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:22:22,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:22:22,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:22:22,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:22:22,100 INFO L87 Difference]: Start difference. First operand 342 states and 418 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:23,251 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-07-09 22:22:23,413 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2021-07-09 22:22:23,589 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2021-07-09 22:22:23,783 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-09 22:22:24,098 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2021-07-09 22:22:24,322 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-07-09 22:22:24,873 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-09 22:22:25,043 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-09 22:22:25,178 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-07-09 22:22:25,388 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-09 22:22:26,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:22:26,189 INFO L93 Difference]: Finished difference Result 442 states and 548 transitions. [2021-07-09 22:22:26,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 22:22:26,189 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:22:26,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:22:26,189 INFO L225 Difference]: With dead ends: 442 [2021-07-09 22:22:26,189 INFO L226 Difference]: Without dead ends: 345 [2021-07-09 22:22:26,190 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 631 ImplicationChecksByTransitivity, 4092.8ms TimeCoverageRelationStatistics Valid=727, Invalid=3695, Unknown=0, NotChecked=0, Total=4422 [2021-07-09 22:22:26,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2021-07-09 22:22:26,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 340. [2021-07-09 22:22:26,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 339 states have (on average 1.2212389380530972) internal successors, (414), 339 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:26,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 414 transitions. [2021-07-09 22:22:26,192 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 414 transitions. Word has length 120 [2021-07-09 22:22:26,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:22:26,192 INFO L482 AbstractCegarLoop]: Abstraction has 340 states and 414 transitions. [2021-07-09 22:22:26,193 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:26,193 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 414 transitions. [2021-07-09 22:22:26,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:22:26,193 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:22:26,193 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:22:26,193 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-07-09 22:22:26,193 INFO L430 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:22:26,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:22:26,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1762231051, now seen corresponding path program 74 times [2021-07-09 22:22:26,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:22:26,194 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486299581] [2021-07-09 22:22:26,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:22:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:22:26,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:26,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:22:26,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:26,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:22:26,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:26,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:22:26,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:26,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:22:26,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:26,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:22:26,324 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-07-09 22:22:26,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 22:22:26,346 INFO L142 QuantifierPusher]: treesize reduction 20, result has 67.7 percent of original size [2021-07-09 22:22:26,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:22:26,378 INFO L142 QuantifierPusher]: treesize reduction 20, result has 71.8 percent of original size [2021-07-09 22:22:26,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:22:26,414 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-09 22:22:26,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:22:26,430 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-09 22:22:26,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:22:26,448 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-09 22:22:26,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:22:26,465 INFO L142 QuantifierPusher]: treesize reduction 19, result has 65.5 percent of original size [2021-07-09 22:22:26,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:22:26,485 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-09 22:22:26,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:22:26,506 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:22:26,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:22:26,526 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:22:26,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:22:26,546 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:26,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:26,567 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:26,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:26,590 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:26,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:26,614 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:26,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:26,639 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:26,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:26,666 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.7 percent of original size [2021-07-09 22:22:26,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:22:26,696 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:22:26,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:26,717 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-09 22:22:26,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:22:26,745 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:22:26,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:26,789 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:22:26,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:26,821 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:22:26,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:26,855 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.8 percent of original size [2021-07-09 22:22:26,855 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-07-09 22:22:26,900 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:22:26,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:22:26,932 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:22:26,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:26,957 INFO L142 QuantifierPusher]: treesize reduction 24, result has 41.5 percent of original size [2021-07-09 22:22:26,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:22:26,986 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:22:26,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:27,018 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:22:27,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:27,019 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 22:22:27,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:22:27,048 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:22:27,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:22:27,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:27,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:22:27,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:27,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:22:27,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:27,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:22:27,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:27,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:22:27,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:22:27,155 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:22:27,155 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486299581] [2021-07-09 22:22:27,155 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486299581] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:22:27,155 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:22:27,155 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:22:27,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121325003] [2021-07-09 22:22:27,156 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:22:27,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:22:27,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:22:27,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:22:27,156 INFO L87 Difference]: Start difference. First operand 340 states and 414 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:28,326 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-07-09 22:22:28,493 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2021-07-09 22:22:28,675 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2021-07-09 22:22:28,867 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-09 22:22:29,188 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2021-07-09 22:22:29,627 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-09 22:22:29,797 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-09 22:22:29,949 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-07-09 22:22:30,285 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2021-07-09 22:22:31,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:22:31,109 INFO L93 Difference]: Finished difference Result 435 states and 538 transitions. [2021-07-09 22:22:31,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-09 22:22:31,109 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:22:31,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:22:31,110 INFO L225 Difference]: With dead ends: 435 [2021-07-09 22:22:31,110 INFO L226 Difference]: Without dead ends: 330 [2021-07-09 22:22:31,110 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 618 ImplicationChecksByTransitivity, 3926.9ms TimeCoverageRelationStatistics Valid=687, Invalid=3603, Unknown=0, NotChecked=0, Total=4290 [2021-07-09 22:22:31,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2021-07-09 22:22:31,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2021-07-09 22:22:31,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 329 states have (on average 1.2249240121580547) internal successors, (403), 329 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:31,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 403 transitions. [2021-07-09 22:22:31,113 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 403 transitions. Word has length 120 [2021-07-09 22:22:31,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:22:31,113 INFO L482 AbstractCegarLoop]: Abstraction has 330 states and 403 transitions. [2021-07-09 22:22:31,113 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:31,113 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 403 transitions. [2021-07-09 22:22:31,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:22:31,114 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:22:31,114 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:22:31,114 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-07-09 22:22:31,114 INFO L430 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:22:31,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:22:31,114 INFO L82 PathProgramCache]: Analyzing trace with hash 106030079, now seen corresponding path program 75 times [2021-07-09 22:22:31,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:22:31,114 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476438000] [2021-07-09 22:22:31,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:22:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:22:31,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:31,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:22:31,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:31,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:22:31,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:31,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:22:31,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:31,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:22:31,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:31,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:22:31,242 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-09 22:22:31,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:22:31,253 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-09 22:22:31,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:22:31,271 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-09 22:22:31,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:22:31,306 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-09 22:22:31,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:22:31,323 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-09 22:22:31,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:22:31,340 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-09 22:22:31,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:31,357 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-09 22:22:31,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:22:31,377 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-09 22:22:31,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:22:31,398 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:22:31,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:31,419 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:22:31,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:31,440 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:31,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:31,461 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:31,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:31,485 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:31,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:31,509 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:31,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:31,534 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:31,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:31,561 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:31,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:31,589 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-07-09 22:22:31,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-09 22:22:31,633 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:22:31,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:22:31,656 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:22:31,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:22:31,710 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-09 22:22:31,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:31,757 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-09 22:22:31,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:22:31,796 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-09 22:22:31,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:31,838 INFO L142 QuantifierPusher]: treesize reduction 26, result has 46.9 percent of original size [2021-07-09 22:22:31,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:31,868 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:22:31,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:22:31,893 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:22:31,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:31,894 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:22:31,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:22:31,923 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:22:31,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:31,954 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:22:31,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:22:31,982 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:22:31,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:22:32,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:32,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:22:32,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:32,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:22:32,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:32,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:22:32,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:32,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:22:32,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:22:32,086 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:22:32,086 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476438000] [2021-07-09 22:22:32,086 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476438000] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:22:32,086 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:22:32,086 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:22:32,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240963638] [2021-07-09 22:22:32,087 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:22:32,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:22:32,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:22:32,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:22:32,087 INFO L87 Difference]: Start difference. First operand 330 states and 403 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:33,245 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2021-07-09 22:22:33,400 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 70 [2021-07-09 22:22:33,580 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 74 [2021-07-09 22:22:33,782 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 78 [2021-07-09 22:22:33,993 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 83 [2021-07-09 22:22:34,375 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-07-09 22:22:34,651 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 91 [2021-07-09 22:22:34,934 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-09 22:22:36,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:22:36,144 INFO L93 Difference]: Finished difference Result 432 states and 538 transitions. [2021-07-09 22:22:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-09 22:22:36,145 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:22:36,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:22:36,145 INFO L225 Difference]: With dead ends: 432 [2021-07-09 22:22:36,145 INFO L226 Difference]: Without dead ends: 336 [2021-07-09 22:22:36,145 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 560 ImplicationChecksByTransitivity, 4067.6ms TimeCoverageRelationStatistics Valid=729, Invalid=3431, Unknown=0, NotChecked=0, Total=4160 [2021-07-09 22:22:36,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2021-07-09 22:22:36,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 331. [2021-07-09 22:22:36,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 330 states have (on average 1.2272727272727273) internal successors, (405), 330 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:36,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 405 transitions. [2021-07-09 22:22:36,148 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 405 transitions. Word has length 120 [2021-07-09 22:22:36,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:22:36,148 INFO L482 AbstractCegarLoop]: Abstraction has 331 states and 405 transitions. [2021-07-09 22:22:36,148 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:36,148 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 405 transitions. [2021-07-09 22:22:36,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:22:36,149 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:22:36,149 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:22:36,149 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-07-09 22:22:36,149 INFO L430 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:22:36,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:22:36,149 INFO L82 PathProgramCache]: Analyzing trace with hash 454166849, now seen corresponding path program 76 times [2021-07-09 22:22:36,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:22:36,149 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799452017] [2021-07-09 22:22:36,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:22:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:22:36,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:36,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:22:36,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:36,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:22:36,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:36,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:22:36,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:36,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:22:36,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:36,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:22:36,271 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-09 22:22:36,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:22:36,282 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-09 22:22:36,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:22:36,300 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-09 22:22:36,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:22:36,337 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-09 22:22:36,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:22:36,355 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-09 22:22:36,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:22:36,374 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-09 22:22:36,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:36,393 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-09 22:22:36,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:22:36,414 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-09 22:22:36,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:22:36,435 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:22:36,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:36,455 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:22:36,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:36,475 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:36,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:36,496 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:36,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:36,519 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:36,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:36,545 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:36,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:36,571 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:36,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:36,604 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:36,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:36,632 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-07-09 22:22:36,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-09 22:22:36,677 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:22:36,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:22:36,701 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:22:36,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:22:36,755 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:22:36,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:22:36,811 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-09 22:22:36,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:22:36,852 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-09 22:22:36,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:36,895 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-09 22:22:36,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:36,926 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:22:36,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:22:36,952 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:22:36,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:36,953 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:22:36,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:22:36,983 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:22:36,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:37,015 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:22:37,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:22:37,045 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:22:37,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:22:37,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:37,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:22:37,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:37,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:22:37,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:37,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:22:37,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:37,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:22:37,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:22:37,152 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:22:37,152 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799452017] [2021-07-09 22:22:37,152 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799452017] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:22:37,152 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:22:37,152 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:22:37,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530298610] [2021-07-09 22:22:37,152 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:22:37,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:22:37,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:22:37,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:22:37,153 INFO L87 Difference]: Start difference. First operand 331 states and 405 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:38,313 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2021-07-09 22:22:38,472 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 70 [2021-07-09 22:22:38,646 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 74 [2021-07-09 22:22:38,848 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 78 [2021-07-09 22:22:39,059 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 83 [2021-07-09 22:22:39,447 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-07-09 22:22:39,712 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 89 [2021-07-09 22:22:39,988 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-09 22:22:41,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:22:41,467 INFO L93 Difference]: Finished difference Result 435 states and 541 transitions. [2021-07-09 22:22:41,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 22:22:41,467 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:22:41,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:22:41,468 INFO L225 Difference]: With dead ends: 435 [2021-07-09 22:22:41,468 INFO L226 Difference]: Without dead ends: 339 [2021-07-09 22:22:41,468 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 612 ImplicationChecksByTransitivity, 4326.7ms TimeCoverageRelationStatistics Valid=767, Invalid=3655, Unknown=0, NotChecked=0, Total=4422 [2021-07-09 22:22:41,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2021-07-09 22:22:41,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 332. [2021-07-09 22:22:41,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 331 states have (on average 1.2235649546827794) internal successors, (405), 331 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:41,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 405 transitions. [2021-07-09 22:22:41,471 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 405 transitions. Word has length 120 [2021-07-09 22:22:41,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:22:41,471 INFO L482 AbstractCegarLoop]: Abstraction has 332 states and 405 transitions. [2021-07-09 22:22:41,471 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:41,471 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 405 transitions. [2021-07-09 22:22:41,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:22:41,472 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:22:41,472 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:22:41,472 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-07-09 22:22:41,472 INFO L430 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:22:41,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:22:41,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1937447265, now seen corresponding path program 77 times [2021-07-09 22:22:41,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:22:41,472 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878007374] [2021-07-09 22:22:41,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:22:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:22:41,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:41,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:22:41,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:41,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:22:41,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:41,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:22:41,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:41,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:22:41,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:41,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:22:41,605 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-07-09 22:22:41,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 22:22:41,626 INFO L142 QuantifierPusher]: treesize reduction 20, result has 67.7 percent of original size [2021-07-09 22:22:41,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:22:41,659 INFO L142 QuantifierPusher]: treesize reduction 20, result has 71.8 percent of original size [2021-07-09 22:22:41,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:22:41,697 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-09 22:22:41,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:22:41,714 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-09 22:22:41,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:22:41,733 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-09 22:22:41,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:22:41,751 INFO L142 QuantifierPusher]: treesize reduction 19, result has 65.5 percent of original size [2021-07-09 22:22:41,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:22:41,771 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-09 22:22:41,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:22:41,793 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:22:41,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:22:41,813 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:22:41,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:22:41,834 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:41,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:41,856 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:41,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:41,879 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:41,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:41,904 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:41,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:41,930 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:41,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:41,956 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:41,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:41,984 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.7 percent of original size [2021-07-09 22:22:41,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:22:42,015 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:22:42,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:42,037 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:22:42,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:42,067 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-09 22:22:42,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:22:42,097 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:22:42,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:42,130 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.8 percent of original size [2021-07-09 22:22:42,130 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-07-09 22:22:42,175 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:22:42,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:22:42,207 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:22:42,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:42,232 INFO L142 QuantifierPusher]: treesize reduction 24, result has 41.5 percent of original size [2021-07-09 22:22:42,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:22:42,261 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:22:42,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:42,293 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:22:42,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:42,293 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 22:22:42,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:22:42,322 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:22:42,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:22:42,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:42,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:22:42,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:42,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:22:42,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:42,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:22:42,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:42,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:22:42,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:22:42,440 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:22:42,440 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878007374] [2021-07-09 22:22:42,440 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878007374] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:22:42,440 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:22:42,440 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:22:42,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469513236] [2021-07-09 22:22:42,440 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:22:42,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:22:42,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:22:42,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:22:42,441 INFO L87 Difference]: Start difference. First operand 332 states and 405 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:43,580 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 65 [2021-07-09 22:22:43,738 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 69 [2021-07-09 22:22:43,912 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2021-07-09 22:22:44,115 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 77 [2021-07-09 22:22:44,326 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 82 [2021-07-09 22:22:44,696 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 86 [2021-07-09 22:22:44,954 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 88 [2021-07-09 22:22:46,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:22:46,315 INFO L93 Difference]: Finished difference Result 429 states and 532 transitions. [2021-07-09 22:22:46,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-09 22:22:46,315 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:22:46,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:22:46,315 INFO L225 Difference]: With dead ends: 429 [2021-07-09 22:22:46,315 INFO L226 Difference]: Without dead ends: 334 [2021-07-09 22:22:46,316 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 572 ImplicationChecksByTransitivity, 3948.3ms TimeCoverageRelationStatistics Valid=704, Invalid=3456, Unknown=0, NotChecked=0, Total=4160 [2021-07-09 22:22:46,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2021-07-09 22:22:46,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 330. [2021-07-09 22:22:46,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 329 states have (on average 1.221884498480243) internal successors, (402), 329 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:46,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 402 transitions. [2021-07-09 22:22:46,318 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 402 transitions. Word has length 120 [2021-07-09 22:22:46,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:22:46,318 INFO L482 AbstractCegarLoop]: Abstraction has 330 states and 402 transitions. [2021-07-09 22:22:46,318 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:46,318 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 402 transitions. [2021-07-09 22:22:46,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:22:46,319 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:22:46,319 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:22:46,319 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-07-09 22:22:46,319 INFO L430 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:22:46,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:22:46,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1643495423, now seen corresponding path program 78 times [2021-07-09 22:22:46,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:22:46,320 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501146614] [2021-07-09 22:22:46,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:22:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:22:46,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:46,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:22:46,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:46,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:22:46,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:46,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:22:46,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:46,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:22:46,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:46,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:22:46,459 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-09 22:22:46,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:22:46,471 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-09 22:22:46,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:22:46,489 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-09 22:22:46,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:22:46,524 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-09 22:22:46,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:22:46,540 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-09 22:22:46,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:22:46,558 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-09 22:22:46,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:46,575 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-09 22:22:46,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:22:46,595 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-09 22:22:46,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:22:46,616 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:22:46,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:46,636 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:22:46,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:46,656 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:46,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:46,677 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:46,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:46,700 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:46,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:46,724 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:46,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:46,750 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:46,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:46,777 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:46,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:46,807 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-07-09 22:22:46,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-09 22:22:46,853 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:22:46,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:22:46,877 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:22:46,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:22:46,920 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-07-09 22:22:46,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:22:46,975 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-09 22:22:46,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:22:47,015 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-09 22:22:47,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:47,059 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-09 22:22:47,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:47,090 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:22:47,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:22:47,117 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:22:47,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:47,117 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:22:47,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:22:47,147 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:22:47,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:47,178 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:22:47,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:22:47,207 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:22:47,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:22:47,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:47,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:22:47,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:47,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:22:47,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:47,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:22:47,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:47,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:22:47,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:22:47,319 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:22:47,319 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501146614] [2021-07-09 22:22:47,319 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501146614] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:22:47,319 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:22:47,319 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:22:47,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646168917] [2021-07-09 22:22:47,319 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:22:47,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:22:47,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:22:47,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:22:47,320 INFO L87 Difference]: Start difference. First operand 330 states and 402 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:48,479 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2021-07-09 22:22:48,635 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 70 [2021-07-09 22:22:48,807 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 74 [2021-07-09 22:22:49,011 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 78 [2021-07-09 22:22:49,222 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 83 [2021-07-09 22:22:49,572 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 85 [2021-07-09 22:22:49,930 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 89 [2021-07-09 22:22:50,202 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 93 [2021-07-09 22:22:50,491 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-07-09 22:22:50,630 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2021-07-09 22:22:51,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:22:51,713 INFO L93 Difference]: Finished difference Result 429 states and 532 transitions. [2021-07-09 22:22:51,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-09 22:22:51,713 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:22:51,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:22:51,714 INFO L225 Difference]: With dead ends: 429 [2021-07-09 22:22:51,714 INFO L226 Difference]: Without dead ends: 316 [2021-07-09 22:22:51,714 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 637 ImplicationChecksByTransitivity, 4426.1ms TimeCoverageRelationStatistics Valid=791, Invalid=3765, Unknown=0, NotChecked=0, Total=4556 [2021-07-09 22:22:51,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2021-07-09 22:22:51,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 313. [2021-07-09 22:22:51,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 312 states have (on average 1.2211538461538463) internal successors, (381), 312 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:51,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 381 transitions. [2021-07-09 22:22:51,717 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 381 transitions. Word has length 120 [2021-07-09 22:22:51,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:22:51,717 INFO L482 AbstractCegarLoop]: Abstraction has 313 states and 381 transitions. [2021-07-09 22:22:51,717 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:51,717 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 381 transitions. [2021-07-09 22:22:51,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:22:51,718 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:22:51,718 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:22:51,718 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-07-09 22:22:51,718 INFO L430 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:22:51,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:22:51,718 INFO L82 PathProgramCache]: Analyzing trace with hash -2060503259, now seen corresponding path program 79 times [2021-07-09 22:22:51,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:22:51,718 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124299995] [2021-07-09 22:22:51,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:22:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:22:51,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:51,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:22:51,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:51,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:22:51,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:51,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:22:51,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:51,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:22:51,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:51,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:22:51,848 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-07-09 22:22:51,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 22:22:51,870 INFO L142 QuantifierPusher]: treesize reduction 20, result has 67.7 percent of original size [2021-07-09 22:22:51,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:22:51,902 INFO L142 QuantifierPusher]: treesize reduction 20, result has 71.8 percent of original size [2021-07-09 22:22:51,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:22:51,938 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-09 22:22:51,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:22:51,954 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-09 22:22:51,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:22:51,972 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-09 22:22:51,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:22:51,989 INFO L142 QuantifierPusher]: treesize reduction 19, result has 65.5 percent of original size [2021-07-09 22:22:51,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:22:52,008 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-09 22:22:52,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:22:52,029 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:22:52,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:22:52,055 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:22:52,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:22:52,076 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:52,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:52,097 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:52,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:52,120 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:52,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:52,146 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:52,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:52,172 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:52,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:52,199 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:52,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:52,227 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.7 percent of original size [2021-07-09 22:22:52,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:22:52,259 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:22:52,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:52,280 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-09 22:22:52,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:22:52,310 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-09 22:22:52,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:22:52,340 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:22:52,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:52,373 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.8 percent of original size [2021-07-09 22:22:52,374 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-07-09 22:22:52,418 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:22:52,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:22:52,450 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:22:52,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:52,475 INFO L142 QuantifierPusher]: treesize reduction 24, result has 41.5 percent of original size [2021-07-09 22:22:52,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:22:52,504 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:22:52,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:52,535 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:22:52,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:52,536 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 22:22:52,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:22:52,565 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:22:52,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:22:52,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:52,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:22:52,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:52,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:22:52,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:52,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:22:52,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:52,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:22:52,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:22:52,671 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:22:52,671 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124299995] [2021-07-09 22:22:52,671 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124299995] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:22:52,671 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:22:52,671 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:22:52,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977323822] [2021-07-09 22:22:52,671 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:22:52,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:22:52,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:22:52,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:22:52,672 INFO L87 Difference]: Start difference. First operand 313 states and 381 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:53,804 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 65 [2021-07-09 22:22:53,964 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 69 [2021-07-09 22:22:54,136 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2021-07-09 22:22:54,334 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 77 [2021-07-09 22:22:54,544 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 82 [2021-07-09 22:22:54,903 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-07-09 22:22:55,256 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 88 [2021-07-09 22:22:55,668 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-09 22:22:56,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:22:56,776 INFO L93 Difference]: Finished difference Result 409 states and 507 transitions. [2021-07-09 22:22:56,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 22:22:56,777 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:22:56,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:22:56,777 INFO L225 Difference]: With dead ends: 409 [2021-07-09 22:22:56,777 INFO L226 Difference]: Without dead ends: 315 [2021-07-09 22:22:56,778 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 622 ImplicationChecksByTransitivity, 4170.0ms TimeCoverageRelationStatistics Valid=745, Invalid=3677, Unknown=0, NotChecked=0, Total=4422 [2021-07-09 22:22:56,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2021-07-09 22:22:56,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 312. [2021-07-09 22:22:56,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 311 states have (on average 1.2186495176848875) internal successors, (379), 311 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:56,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 379 transitions. [2021-07-09 22:22:56,780 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 379 transitions. Word has length 120 [2021-07-09 22:22:56,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:22:56,780 INFO L482 AbstractCegarLoop]: Abstraction has 312 states and 379 transitions. [2021-07-09 22:22:56,780 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:56,780 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 379 transitions. [2021-07-09 22:22:56,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:22:56,781 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:22:56,781 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:22:56,781 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-07-09 22:22:56,781 INFO L430 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:22:56,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:22:56,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1619871875, now seen corresponding path program 80 times [2021-07-09 22:22:56,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:22:56,781 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368040630] [2021-07-09 22:22:56,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:22:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:22:56,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:56,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:22:56,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:56,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:22:56,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:56,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:22:56,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:56,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:22:56,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:56,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:22:56,909 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-07-09 22:22:56,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 22:22:56,936 INFO L142 QuantifierPusher]: treesize reduction 20, result has 67.7 percent of original size [2021-07-09 22:22:56,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:22:56,968 INFO L142 QuantifierPusher]: treesize reduction 20, result has 71.8 percent of original size [2021-07-09 22:22:56,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:22:57,003 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-09 22:22:57,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:22:57,020 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-09 22:22:57,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:22:57,038 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-09 22:22:57,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:22:57,056 INFO L142 QuantifierPusher]: treesize reduction 19, result has 65.5 percent of original size [2021-07-09 22:22:57,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:22:57,076 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-07-09 22:22:57,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:22:57,097 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:22:57,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:22:57,117 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-07-09 22:22:57,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:22:57,137 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:57,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:57,159 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:57,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:57,182 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:57,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:57,206 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:57,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:57,231 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:57,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:57,257 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:22:57,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:22:57,287 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.7 percent of original size [2021-07-09 22:22:57,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:22:57,319 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:22:57,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:57,341 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-07-09 22:22:57,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:22:57,371 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:22:57,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:57,403 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:22:57,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:22:57,437 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.8 percent of original size [2021-07-09 22:22:57,437 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-07-09 22:22:57,482 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:22:57,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:22:57,515 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:22:57,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:57,541 INFO L142 QuantifierPusher]: treesize reduction 24, result has 41.5 percent of original size [2021-07-09 22:22:57,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:22:57,571 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:22:57,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:57,602 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:22:57,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:22:57,603 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 22:22:57,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:22:57,631 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:22:57,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:22:57,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:57,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:22:57,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:57,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:22:57,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:57,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:22:57,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:22:57,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:22:57,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:22:57,737 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:22:57,737 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368040630] [2021-07-09 22:22:57,737 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368040630] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:22:57,737 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:22:57,737 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:22:57,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496765469] [2021-07-09 22:22:57,737 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:22:57,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:22:57,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:22:57,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:22:57,738 INFO L87 Difference]: Start difference. First operand 312 states and 379 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:22:58,896 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 65 [2021-07-09 22:22:59,051 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 69 [2021-07-09 22:22:59,226 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2021-07-09 22:22:59,425 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 77 [2021-07-09 22:22:59,641 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 82 [2021-07-09 22:22:59,982 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-07-09 22:23:00,404 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-09 22:23:00,541 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-07-09 22:23:00,857 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-07-09 22:23:01,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:23:01,668 INFO L93 Difference]: Finished difference Result 405 states and 501 transitions. [2021-07-09 22:23:01,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-09 22:23:01,669 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:23:01,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:23:01,669 INFO L225 Difference]: With dead ends: 405 [2021-07-09 22:23:01,669 INFO L226 Difference]: Without dead ends: 292 [2021-07-09 22:23:01,669 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 610 ImplicationChecksByTransitivity, 3969.5ms TimeCoverageRelationStatistics Valid=703, Invalid=3587, Unknown=0, NotChecked=0, Total=4290 [2021-07-09 22:23:01,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2021-07-09 22:23:01,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2021-07-09 22:23:01,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 291 states have (on average 1.2199312714776633) internal successors, (355), 291 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:23:01,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 355 transitions. [2021-07-09 22:23:01,671 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 355 transitions. Word has length 120 [2021-07-09 22:23:01,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:23:01,672 INFO L482 AbstractCegarLoop]: Abstraction has 292 states and 355 transitions. [2021-07-09 22:23:01,672 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:23:01,672 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 355 transitions. [2021-07-09 22:23:01,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:23:01,672 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:23:01,672 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:23:01,672 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-07-09 22:23:01,672 INFO L430 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:23:01,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:23:01,673 INFO L82 PathProgramCache]: Analyzing trace with hash -919223297, now seen corresponding path program 81 times [2021-07-09 22:23:01,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:23:01,673 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920713420] [2021-07-09 22:23:01,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:23:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:23:01,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:01,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:23:01,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:01,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:23:01,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:01,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:23:01,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:01,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:23:01,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:01,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:23:01,796 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-09 22:23:01,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:23:01,807 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-09 22:23:01,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:23:01,825 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-09 22:23:01,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:23:01,860 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-09 22:23:01,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:23:01,885 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-09 22:23:01,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:23:01,903 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-09 22:23:01,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:23:01,920 INFO L142 QuantifierPusher]: treesize reduction 19, result has 66.1 percent of original size [2021-07-09 22:23:01,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:23:01,940 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-07-09 22:23:01,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:23:01,961 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:23:01,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:23:01,981 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-07-09 22:23:01,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:23:02,001 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:23:02,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:23:02,022 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:23:02,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:23:02,044 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:23:02,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:23:02,068 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:23:02,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:23:02,093 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:23:02,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:23:02,119 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:23:02,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:23:02,147 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.0 percent of original size [2021-07-09 22:23:02,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:23:02,176 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-07-09 22:23:02,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-09 22:23:02,234 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-07-09 22:23:02,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:23:02,259 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-09 22:23:02,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:23:02,299 INFO L142 QuantifierPusher]: treesize reduction 53, result has 33.8 percent of original size [2021-07-09 22:23:02,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:23:02,338 INFO L142 QuantifierPusher]: treesize reduction 51, result has 39.3 percent of original size [2021-07-09 22:23:02,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:23:02,382 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-09 22:23:02,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:23:02,413 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:23:02,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:23:02,440 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:23:02,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:23:02,441 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:23:02,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:23:02,471 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:23:02,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:23:02,504 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:23:02,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:23:02,533 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:23:02,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:23:02,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:02,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:23:02,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:02,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:23:02,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:02,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:23:02,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:02,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:23:02,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:23:02,639 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:23:02,639 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920713420] [2021-07-09 22:23:02,639 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920713420] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:23:02,639 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:23:02,639 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:23:02,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943242217] [2021-07-09 22:23:02,639 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:23:02,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:23:02,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:23:02,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:23:02,640 INFO L87 Difference]: Start difference. First operand 292 states and 355 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:23:03,848 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2021-07-09 22:23:04,007 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 70 [2021-07-09 22:23:04,180 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 74 [2021-07-09 22:23:04,379 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2021-07-09 22:23:04,599 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 82 [2021-07-09 22:23:04,919 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 87 [2021-07-09 22:23:05,228 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 91 [2021-07-09 22:23:05,519 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-07-09 22:23:06,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:23:06,768 INFO L93 Difference]: Finished difference Result 390 states and 483 transitions. [2021-07-09 22:23:06,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-09 22:23:06,769 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:23:06,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:23:06,769 INFO L225 Difference]: With dead ends: 390 [2021-07-09 22:23:06,769 INFO L226 Difference]: Without dead ends: 294 [2021-07-09 22:23:06,769 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 560 ImplicationChecksByTransitivity, 4126.9ms TimeCoverageRelationStatistics Valid=729, Invalid=3431, Unknown=0, NotChecked=0, Total=4160 [2021-07-09 22:23:06,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-07-09 22:23:06,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 292. [2021-07-09 22:23:06,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 291 states have (on average 1.2164948453608246) internal successors, (354), 291 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:23:06,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 354 transitions. [2021-07-09 22:23:06,772 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 354 transitions. Word has length 120 [2021-07-09 22:23:06,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:23:06,772 INFO L482 AbstractCegarLoop]: Abstraction has 292 states and 354 transitions. [2021-07-09 22:23:06,772 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:23:06,772 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 354 transitions. [2021-07-09 22:23:06,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:23:06,772 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:23:06,772 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:23:06,773 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-07-09 22:23:06,773 INFO L430 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:23:06,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:23:06,773 INFO L82 PathProgramCache]: Analyzing trace with hash -571086527, now seen corresponding path program 82 times [2021-07-09 22:23:06,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:23:06,773 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312968479] [2021-07-09 22:23:06,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:23:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:23:06,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:06,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:23:06,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:06,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:23:06,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:06,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:23:06,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:06,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:23:06,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:06,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:23:06,909 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-09 22:23:06,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:23:06,921 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-09 22:23:06,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:23:06,940 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-09 22:23:06,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:23:06,975 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-09 22:23:06,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:23:06,992 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-09 22:23:06,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:23:07,010 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-09 22:23:07,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:23:07,028 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.8 percent of original size [2021-07-09 22:23:07,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:23:07,048 INFO L142 QuantifierPusher]: treesize reduction 21, result has 66.1 percent of original size [2021-07-09 22:23:07,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:23:07,069 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:23:07,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:23:07,090 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:23:07,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:23:07,110 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:23:07,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:23:07,132 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:23:07,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:23:07,156 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:23:07,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:23:07,180 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:23:07,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:23:07,206 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:23:07,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:23:07,233 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:23:07,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:23:07,261 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:23:07,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:23:07,291 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.4 percent of original size [2021-07-09 22:23:07,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-09 22:23:07,348 INFO L142 QuantifierPusher]: treesize reduction 21, result has 68.2 percent of original size [2021-07-09 22:23:07,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:23:07,373 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-07-09 22:23:07,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:23:07,428 INFO L142 QuantifierPusher]: treesize reduction 55, result has 32.9 percent of original size [2021-07-09 22:23:07,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:23:07,468 INFO L142 QuantifierPusher]: treesize reduction 53, result has 38.4 percent of original size [2021-07-09 22:23:07,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:23:07,511 INFO L142 QuantifierPusher]: treesize reduction 28, result has 45.1 percent of original size [2021-07-09 22:23:07,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:23:07,542 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:23:07,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:23:07,568 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:23:07,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:23:07,569 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:23:07,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:23:07,598 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:23:07,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:23:07,630 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:23:07,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:23:07,659 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:23:07,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:23:07,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:07,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:23:07,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:07,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:23:07,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:07,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:23:07,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:07,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:23:07,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:23:07,775 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:23:07,775 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312968479] [2021-07-09 22:23:07,775 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312968479] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:23:07,776 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:23:07,776 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:23:07,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476894761] [2021-07-09 22:23:07,777 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:23:07,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:23:07,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:23:07,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:23:07,777 INFO L87 Difference]: Start difference. First operand 292 states and 354 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:23:08,977 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2021-07-09 22:23:09,141 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 70 [2021-07-09 22:23:09,317 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 74 [2021-07-09 22:23:09,520 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2021-07-09 22:23:09,737 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 82 [2021-07-09 22:23:10,055 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 87 [2021-07-09 22:23:10,353 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 89 [2021-07-09 22:23:10,616 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 93 [2021-07-09 22:23:12,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:23:12,104 INFO L93 Difference]: Finished difference Result 388 states and 480 transitions. [2021-07-09 22:23:12,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 22:23:12,104 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:23:12,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:23:12,105 INFO L225 Difference]: With dead ends: 388 [2021-07-09 22:23:12,105 INFO L226 Difference]: Without dead ends: 285 [2021-07-09 22:23:12,105 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 612 ImplicationChecksByTransitivity, 4342.0ms TimeCoverageRelationStatistics Valid=767, Invalid=3655, Unknown=0, NotChecked=0, Total=4422 [2021-07-09 22:23:12,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2021-07-09 22:23:12,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 283. [2021-07-09 22:23:12,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 282 states have (on average 1.2127659574468086) internal successors, (342), 282 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:23:12,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 342 transitions. [2021-07-09 22:23:12,107 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 342 transitions. Word has length 120 [2021-07-09 22:23:12,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:23:12,107 INFO L482 AbstractCegarLoop]: Abstraction has 283 states and 342 transitions. [2021-07-09 22:23:12,107 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:23:12,107 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 342 transitions. [2021-07-09 22:23:12,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:23:12,108 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:23:12,108 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:23:12,108 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-07-09 22:23:12,108 INFO L430 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:23:12,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:23:12,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1332266655, now seen corresponding path program 83 times [2021-07-09 22:23:12,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:23:12,108 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882431560] [2021-07-09 22:23:12,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:23:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:23:12,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:12,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:23:12,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:12,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:23:12,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:12,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:23:12,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:12,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:23:12,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:12,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:23:12,245 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-07-09 22:23:12,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 22:23:12,267 INFO L142 QuantifierPusher]: treesize reduction 20, result has 67.7 percent of original size [2021-07-09 22:23:12,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 22:23:12,299 INFO L142 QuantifierPusher]: treesize reduction 20, result has 71.8 percent of original size [2021-07-09 22:23:12,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:23:12,336 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.9 percent of original size [2021-07-09 22:23:12,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:23:12,364 INFO L142 QuantifierPusher]: treesize reduction 12, result has 78.6 percent of original size [2021-07-09 22:23:12,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:23:12,393 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-07-09 22:23:12,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:23:12,420 INFO L142 QuantifierPusher]: treesize reduction 16, result has 75.0 percent of original size [2021-07-09 22:23:12,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-09 22:23:12,457 INFO L142 QuantifierPusher]: treesize reduction 16, result has 76.5 percent of original size [2021-07-09 22:23:12,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 22:23:12,493 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-09 22:23:12,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:23:12,534 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-09 22:23:12,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:23:12,569 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-09 22:23:12,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:23:12,606 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-09 22:23:12,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:23:12,644 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-09 22:23:12,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:23:12,681 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-09 22:23:12,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:23:12,722 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-09 22:23:12,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:23:12,766 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-09 22:23:12,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:23:12,810 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-07-09 22:23:12,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:23:12,855 INFO L142 QuantifierPusher]: treesize reduction 41, result has 60.6 percent of original size [2021-07-09 22:23:12,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-07-09 22:23:12,915 INFO L142 QuantifierPusher]: treesize reduction 41, result has 58.6 percent of original size [2021-07-09 22:23:12,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-09 22:23:12,942 INFO L142 QuantifierPusher]: treesize reduction 46, result has 53.1 percent of original size [2021-07-09 22:23:12,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 22:23:12,999 INFO L142 QuantifierPusher]: treesize reduction 41, result has 58.6 percent of original size [2021-07-09 22:23:12,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-09 22:23:13,059 INFO L142 QuantifierPusher]: treesize reduction 58, result has 58.0 percent of original size [2021-07-09 22:23:13,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-07-09 22:23:13,133 INFO L142 QuantifierPusher]: treesize reduction 31, result has 58.1 percent of original size [2021-07-09 22:23:13,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:23:13,181 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.1 percent of original size [2021-07-09 22:23:13,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:23:13,212 INFO L142 QuantifierPusher]: treesize reduction 41, result has 43.8 percent of original size [2021-07-09 22:23:13,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:23:13,255 INFO L142 QuantifierPusher]: treesize reduction 29, result has 56.7 percent of original size [2021-07-09 22:23:13,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:23:13,301 INFO L142 QuantifierPusher]: treesize reduction 29, result has 56.7 percent of original size [2021-07-09 22:23:13,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:23:13,302 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 22:23:13,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:23:13,332 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:23:13,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:23:13,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:13,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:23:13,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:13,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:23:13,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:13,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:23:13,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:13,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:23:13,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:23:13,447 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:23:13,447 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882431560] [2021-07-09 22:23:13,447 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882431560] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:23:13,447 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:23:13,447 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:23:13,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763257124] [2021-07-09 22:23:13,447 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:23:13,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:23:13,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:23:13,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:23:13,448 INFO L87 Difference]: Start difference. First operand 283 states and 342 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:23:14,497 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 62 [2021-07-09 22:23:14,666 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 66 [2021-07-09 22:23:14,850 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2021-07-09 22:23:15,050 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 75 [2021-07-09 22:23:15,278 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 79 [2021-07-09 22:23:15,518 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 83 [2021-07-09 22:23:15,866 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 89 [2021-07-09 22:23:16,188 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 91 [2021-07-09 22:23:16,476 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2021-07-09 22:23:16,609 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2021-07-09 22:23:16,943 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2021-07-09 22:23:17,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:23:17,780 INFO L93 Difference]: Finished difference Result 375 states and 463 transitions. [2021-07-09 22:23:17,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-09 22:23:17,780 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:23:17,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:23:17,781 INFO L225 Difference]: With dead ends: 375 [2021-07-09 22:23:17,781 INFO L226 Difference]: Without dead ends: 273 [2021-07-09 22:23:17,781 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 599 ImplicationChecksByTransitivity, 4713.6ms TimeCoverageRelationStatistics Valid=723, Invalid=3567, Unknown=0, NotChecked=0, Total=4290 [2021-07-09 22:23:17,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2021-07-09 22:23:17,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2021-07-09 22:23:17,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 272 states have (on average 1.2169117647058822) internal successors, (331), 272 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:23:17,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 331 transitions. [2021-07-09 22:23:17,783 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 331 transitions. Word has length 120 [2021-07-09 22:23:17,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:23:17,783 INFO L482 AbstractCegarLoop]: Abstraction has 273 states and 331 transitions. [2021-07-09 22:23:17,783 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:23:17,783 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 331 transitions. [2021-07-09 22:23:17,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:23:17,784 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:23:17,784 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:23:17,784 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-07-09 22:23:17,784 INFO L430 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:23:17,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:23:17,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1250083191, now seen corresponding path program 84 times [2021-07-09 22:23:17,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:23:17,784 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831570463] [2021-07-09 22:23:17,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:23:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:23:17,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:17,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:23:17,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:17,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:23:17,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:17,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:23:17,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:17,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:23:17,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:17,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:23:17,907 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-07-09 22:23:17,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 22:23:17,920 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-07-09 22:23:17,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:23:17,938 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.8 percent of original size [2021-07-09 22:23:17,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:23:17,974 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-07-09 22:23:17,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:23:17,991 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.5 percent of original size [2021-07-09 22:23:17,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 22:23:18,009 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-07-09 22:23:18,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:23:18,027 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.4 percent of original size [2021-07-09 22:23:18,028 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.5 percent of original size 37 [2021-07-09 22:23:18,060 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-09 22:23:18,061 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.2 percent of original size 41 [2021-07-09 22:23:18,092 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:23:18,093 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.7 percent of original size 33 [2021-07-09 22:23:18,124 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:23:18,124 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.7 percent of original size 33 [2021-07-09 22:23:18,155 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.0 percent of original size [2021-07-09 22:23:18,155 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.2 percent of original size 31 [2021-07-09 22:23:18,187 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.0 percent of original size [2021-07-09 22:23:18,187 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.2 percent of original size 31 [2021-07-09 22:23:18,220 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.0 percent of original size [2021-07-09 22:23:18,221 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.2 percent of original size 31 [2021-07-09 22:23:18,262 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.0 percent of original size [2021-07-09 22:23:18,262 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.2 percent of original size 31 [2021-07-09 22:23:18,311 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:23:18,311 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-09 22:23:18,348 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:23:18,348 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-09 22:23:18,387 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:23:18,387 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-09 22:23:18,438 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-07-09 22:23:18,438 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-07-09 22:23:18,486 INFO L142 QuantifierPusher]: treesize reduction 40, result has 50.6 percent of original size [2021-07-09 22:23:18,487 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.7 percent of original size 38 [2021-07-09 22:23:18,531 INFO L142 QuantifierPusher]: treesize reduction 40, result has 47.4 percent of original size [2021-07-09 22:23:18,531 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.7 percent of original size 33 [2021-07-09 22:23:18,555 INFO L142 QuantifierPusher]: treesize reduction 42, result has 41.7 percent of original size [2021-07-09 22:23:18,556 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size 27 [2021-07-09 22:23:18,597 INFO L142 QuantifierPusher]: treesize reduction 40, result has 47.4 percent of original size [2021-07-09 22:23:18,598 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.7 percent of original size 33 [2021-07-09 22:23:18,642 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-07-09 22:23:18,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:23:18,672 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:23:18,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:23:18,698 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:23:18,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:23:18,699 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:23:18,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:23:18,728 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:23:18,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:23:18,760 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 22:23:18,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:23:18,789 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:23:18,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:23:18,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:18,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:23:18,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:18,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:23:18,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:18,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:23:18,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:18,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:23:18,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:23:18,895 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:23:18,895 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831570463] [2021-07-09 22:23:18,895 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831570463] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:23:18,895 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:23:18,895 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:23:18,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931406559] [2021-07-09 22:23:18,895 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:23:18,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:23:18,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:23:18,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:23:18,896 INFO L87 Difference]: Start difference. First operand 273 states and 331 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:23:20,089 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2021-07-09 22:23:20,259 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 70 [2021-07-09 22:23:20,444 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 75 [2021-07-09 22:23:20,641 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 79 [2021-07-09 22:23:20,868 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 83 [2021-07-09 22:23:21,128 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 87 [2021-07-09 22:23:21,403 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 91 [2021-07-09 22:23:21,804 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 93 [2021-07-09 22:23:23,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:23:23,040 INFO L93 Difference]: Finished difference Result 313 states and 378 transitions. [2021-07-09 22:23:23,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-09 22:23:23,040 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:23:23,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:23:23,041 INFO L225 Difference]: With dead ends: 313 [2021-07-09 22:23:23,041 INFO L226 Difference]: Without dead ends: 203 [2021-07-09 22:23:23,041 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 562 ImplicationChecksByTransitivity, 4297.4ms TimeCoverageRelationStatistics Valid=729, Invalid=3431, Unknown=0, NotChecked=0, Total=4160 [2021-07-09 22:23:23,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2021-07-09 22:23:23,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2021-07-09 22:23:23,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 202 states have (on average 1.1683168316831682) internal successors, (236), 202 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:23:23,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 236 transitions. [2021-07-09 22:23:23,043 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 236 transitions. Word has length 120 [2021-07-09 22:23:23,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:23:23,043 INFO L482 AbstractCegarLoop]: Abstraction has 203 states and 236 transitions. [2021-07-09 22:23:23,043 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:23:23,043 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 236 transitions. [2021-07-09 22:23:23,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-07-09 22:23:23,043 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:23:23,043 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:23:23,043 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-07-09 22:23:23,043 INFO L430 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:23:23,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:23:23,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1371450371, now seen corresponding path program 85 times [2021-07-09 22:23:23,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:23:23,044 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711055628] [2021-07-09 22:23:23,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:23:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:23:23,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:23,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:23:23,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:23,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 22:23:23,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:23,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:23:23,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:23,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:23:23,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:23,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:23:23,169 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-07-09 22:23:23,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:23:23,195 INFO L142 QuantifierPusher]: treesize reduction 27, result has 63.0 percent of original size [2021-07-09 22:23:23,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 22:23:23,236 INFO L142 QuantifierPusher]: treesize reduction 23, result has 72.3 percent of original size [2021-07-09 22:23:23,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-09 22:23:23,276 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-07-09 22:23:23,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:23:23,292 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-07-09 22:23:23,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:23:23,310 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-07-09 22:23:23,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 22:23:23,328 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-07-09 22:23:23,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:23:23,348 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-07-09 22:23:23,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:23:23,370 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:23:23,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:23:23,391 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-07-09 22:23:23,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:23:23,412 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:23:23,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:23:23,433 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:23:23,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:23:23,455 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:23:23,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:23:23,479 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-07-09 22:23:23,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:23:23,504 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-07-09 22:23:23,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 22:23:23,533 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:23:23,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:23:23,564 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 22:23:23,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:23:23,594 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-07-09 22:23:23,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 22:23:23,625 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-07-09 22:23:23,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:23:23,652 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-07-09 22:23:23,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:23:23,681 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-07-09 22:23:23,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:23:23,710 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-07-09 22:23:23,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 22:23:23,740 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-07-09 22:23:23,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:23:23,772 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:23:23,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:23:23,797 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-07-09 22:23:23,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:23:23,826 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-07-09 22:23:23,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:23:23,858 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 22:23:23,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:23:23,887 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 22:23:23,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:23:23,888 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 22:23:23,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:23:23,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:23,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:23:23,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:23,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:23:23,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:23,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:23:23,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:23:23,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:23:23,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:23:23,994 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:23:23,994 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711055628] [2021-07-09 22:23:23,994 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711055628] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:23:23,994 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:23:23,995 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-07-09 22:23:23,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304403947] [2021-07-09 22:23:23,995 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-09 22:23:23,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:23:23,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-09 22:23:23,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2021-07-09 22:23:23,995 INFO L87 Difference]: Start difference. First operand 203 states and 236 transitions. Second operand has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:23:25,173 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 65 [2021-07-09 22:23:25,332 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2021-07-09 22:23:25,508 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 74 [2021-07-09 22:23:25,710 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 76 [2021-07-09 22:23:26,361 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 70 [2021-07-09 22:23:26,526 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 74 [2021-07-09 22:23:26,728 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 76 [2021-07-09 22:23:27,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:23:27,466 INFO L93 Difference]: Finished difference Result 201 states and 234 transitions. [2021-07-09 22:23:27,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-09 22:23:27,466 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-07-09 22:23:27,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:23:27,466 INFO L225 Difference]: With dead ends: 201 [2021-07-09 22:23:27,466 INFO L226 Difference]: Without dead ends: 0 [2021-07-09 22:23:27,467 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 571 ImplicationChecksByTransitivity, 3634.7ms TimeCoverageRelationStatistics Valid=622, Invalid=3410, Unknown=0, NotChecked=0, Total=4032 [2021-07-09 22:23:27,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-09 22:23:27,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-09 22:23:27,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:23:27,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-09 22:23:27,467 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 120 [2021-07-09 22:23:27,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:23:27,467 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-09 22:23:27,467 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.4285714285714284) internal successors, (120), 35 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:23:27,467 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-09 22:23:27,467 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-09 22:23:27,468 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-07-09 22:23:27,469 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-09 22:23:27,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.07 10:23:27 BasicIcfg [2021-07-09 22:23:27,470 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-09 22:23:27,470 INFO L168 Benchmark]: Toolchain (without parser) took 563597.69 ms. Allocated memory was 198.2 MB in the beginning and 375.4 MB in the end (delta: 177.2 MB). Free memory was 158.3 MB in the beginning and 147.9 MB in the end (delta: 10.4 MB). Peak memory consumption was 188.5 MB. Max. memory is 8.0 GB. [2021-07-09 22:23:27,471 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 198.2 MB. Free memory is still 178.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-09 22:23:27,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.85 ms. Allocated memory is still 198.2 MB. Free memory was 158.2 MB in the beginning and 136.9 MB in the end (delta: 21.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 8.0 GB. [2021-07-09 22:23:27,471 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.78 ms. Allocated memory is still 198.2 MB. Free memory was 136.9 MB in the beginning and 133.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-09 22:23:27,471 INFO L168 Benchmark]: Boogie Preprocessor took 41.27 ms. Allocated memory is still 198.2 MB. Free memory was 133.7 MB in the beginning and 131.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-09 22:23:27,471 INFO L168 Benchmark]: RCFGBuilder took 543.61 ms. Allocated memory was 198.2 MB in the beginning and 260.0 MB in the end (delta: 61.9 MB). Free memory was 131.1 MB in the beginning and 221.4 MB in the end (delta: -90.3 MB). Peak memory consumption was 36.6 MB. Max. memory is 8.0 GB. [2021-07-09 22:23:27,471 INFO L168 Benchmark]: TraceAbstraction took 562290.26 ms. Allocated memory was 260.0 MB in the beginning and 375.4 MB in the end (delta: 115.3 MB). Free memory was 220.9 MB in the beginning and 147.9 MB in the end (delta: 72.9 MB). Peak memory consumption was 188.3 MB. Max. memory is 8.0 GB. [2021-07-09 22:23:27,471 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 198.2 MB. Free memory is still 178.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 658.85 ms. Allocated memory is still 198.2 MB. Free memory was 158.2 MB in the beginning and 136.9 MB in the end (delta: 21.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 57.78 ms. Allocated memory is still 198.2 MB. Free memory was 136.9 MB in the beginning and 133.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 41.27 ms. Allocated memory is still 198.2 MB. Free memory was 133.7 MB in the beginning and 131.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 543.61 ms. Allocated memory was 198.2 MB in the beginning and 260.0 MB in the end (delta: 61.9 MB). Free memory was 131.1 MB in the beginning and 221.4 MB in the end (delta: -90.3 MB). Peak memory consumption was 36.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 562290.26 ms. Allocated memory was 260.0 MB in the beginning and 375.4 MB in the end (delta: 115.3 MB). Free memory was 220.9 MB in the beginning and 147.9 MB in the end (delta: 72.9 MB). Peak memory consumption was 188.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19687, positive: 18809, positive conditional: 18809, positive unconditional: 0, negative: 878, negative conditional: 878, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19463, positive: 18809, positive conditional: 0, positive unconditional: 18809, negative: 654, negative conditional: 0, negative unconditional: 654, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1787, positive: 1737, positive conditional: 0, positive unconditional: 1737, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1787, positive: 1735, positive conditional: 0, positive unconditional: 1735, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 52, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 18, unknown conditional: 0, unknown unconditional: 18] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63180, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 1694, negative conditional: 0, negative unconditional: 1694, unknown: 61480, unknown conditional: 0, unknown unconditional: 61480] ], Cache Queries: [ total: 19463, positive: 17072, positive conditional: 0, positive unconditional: 17072, negative: 604, negative conditional: 0, negative unconditional: 604, unknown: 1787, unknown conditional: 0, unknown unconditional: 1787] , Statistics on independence cache: Total cache size (in pairs): 1787, Positive cache size: 1737, Positive conditional cache size: 0, Positive unconditional cache size: 1737, Negative cache size: 50, Negative conditional cache size: 0, Negative unconditional cache size: 50, Independence queries for same thread: 224 - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 4 procedures, 178 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 562197.7ms, OverallIterations: 103, TraceHistogramMax: 1, EmptinessCheckTime: 112.2ms, AutomataDifference: 395976.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 63538.4ms, PartialOrderReductionTime: 63526.7ms, HoareTripleCheckerStatistics: 12358 SDtfs, 108937 SDslu, 200343 SDs, 0 SdLazy, 139514 SolverSat, 10668 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 68603.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6777 GetRequests, 303 SyntacticMatches, 217 SemanticMatches, 6257 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66582 ImplicationChecksByTransitivity, 395210.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=9349occurred in iteration=0, InterpolantAutomatonStates: 3616, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 948.2ms AutomataMinimizationTime, 103 MinimizatonAttempts, 6410 StatesRemovedByMinimization, 83 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 184.8ms SsaConstructionTime, 1501.5ms SatisfiabilityAnalysisTime, 99011.8ms InterpolantComputationTime, 11966 NumberOfCodeBlocks, 11966 NumberOfCodeBlocksAsserted, 103 NumberOfCheckSat, 11863 ConstructedInterpolants, 0 QuantifiedInterpolants, 272738 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 103 InterpolantComputations, 103 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...