/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-keepdead.epf -i ../../../trunk/examples/svcomp/pthread/queue.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-e5469eb [2021-01-20 17:52:26,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-20 17:52:26,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-20 17:52:26,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-20 17:52:26,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-20 17:52:26,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-20 17:52:26,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-20 17:52:26,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-20 17:52:26,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-20 17:52:26,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-20 17:52:26,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-20 17:52:26,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-20 17:52:26,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-20 17:52:26,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-20 17:52:26,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-20 17:52:26,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-20 17:52:26,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-20 17:52:26,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-20 17:52:27,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-20 17:52:27,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-20 17:52:27,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-20 17:52:27,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-20 17:52:27,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-20 17:52:27,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-20 17:52:27,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-20 17:52:27,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-20 17:52:27,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-20 17:52:27,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-20 17:52:27,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-20 17:52:27,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-20 17:52:27,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-20 17:52:27,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-20 17:52:27,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-20 17:52:27,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-20 17:52:27,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-20 17:52:27,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-20 17:52:27,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-20 17:52:27,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-20 17:52:27,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-20 17:52:27,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-20 17:52:27,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-20 17:52:27,049 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-keepdead.epf [2021-01-20 17:52:27,100 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-20 17:52:27,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-20 17:52:27,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-20 17:52:27,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-20 17:52:27,102 INFO L138 SettingsManager]: * Use SBE=true [2021-01-20 17:52:27,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-20 17:52:27,103 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-20 17:52:27,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-20 17:52:27,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-20 17:52:27,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-20 17:52:27,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-20 17:52:27,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-20 17:52:27,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-20 17:52:27,105 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-20 17:52:27,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-20 17:52:27,105 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-20 17:52:27,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-20 17:52:27,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-20 17:52:27,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-20 17:52:27,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-20 17:52:27,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-20 17:52:27,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-20 17:52:27,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-20 17:52:27,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-20 17:52:27,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-20 17:52:27,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-20 17:52:27,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-20 17:52:27,109 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-20 17:52:27,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-20 17:52:27,109 INFO L138 SettingsManager]: * Remove dead ends from automaton=false [2021-01-20 17:52:27,110 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-20 17:52:27,110 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-20 17:52:27,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-20 17:52:27,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-20 17:52:27,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-20 17:52:27,555 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-20 17:52:27,555 INFO L275 PluginConnector]: CDTParser initialized [2021-01-20 17:52:27,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue.i [2021-01-20 17:52:27,647 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6027e53fa/df4dae96f6034a59bcb91d5c5f9e97f3/FLAG61a679370 [2021-01-20 17:52:28,536 INFO L306 CDTParser]: Found 1 translation units. [2021-01-20 17:52:28,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue.i [2021-01-20 17:52:28,557 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6027e53fa/df4dae96f6034a59bcb91d5c5f9e97f3/FLAG61a679370 [2021-01-20 17:52:28,732 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6027e53fa/df4dae96f6034a59bcb91d5c5f9e97f3 [2021-01-20 17:52:28,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-20 17:52:28,745 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-20 17:52:28,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-20 17:52:28,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-20 17:52:28,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-20 17:52:28,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 05:52:28" (1/1) ... [2021-01-20 17:52:28,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c378f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:28, skipping insertion in model container [2021-01-20 17:52:28,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 05:52:28" (1/1) ... [2021-01-20 17:52:28,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-20 17:52:28,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-20 17:52:29,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 17:52:29,440 INFO L203 MainTranslator]: Completed pre-run [2021-01-20 17:52:29,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 17:52:29,691 INFO L208 MainTranslator]: Completed translation [2021-01-20 17:52:29,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29 WrapperNode [2021-01-20 17:52:29,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-20 17:52:29,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-20 17:52:29,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-20 17:52:29,697 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-20 17:52:29,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:29,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:29,808 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-20 17:52:29,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-20 17:52:29,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-20 17:52:29,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-20 17:52:29,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:29,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:29,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:29,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:29,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:29,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:29,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:29,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-20 17:52:29,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-20 17:52:29,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-20 17:52:29,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-20 17:52:29,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (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 [2021-01-20 17:52:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-01-20 17:52:29,932 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-01-20 17:52:29,933 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-01-20 17:52:29,934 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-01-20 17:52:29,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-20 17:52:29,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-20 17:52:29,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-20 17:52:29,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-20 17:52:29,937 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-20 17:52:29,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-20 17:52:29,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-20 17:52:29,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-20 17:52:29,940 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-20 17:52:30,741 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-20 17:52:30,742 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2021-01-20 17:52:30,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 05:52:30 BoogieIcfgContainer [2021-01-20 17:52:30,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-20 17:52:30,746 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-20 17:52:30,746 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-20 17:52:30,751 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-20 17:52:30,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 05:52:28" (1/3) ... [2021-01-20 17:52:30,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4c0ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 05:52:30, skipping insertion in model container [2021-01-20 17:52:30,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (2/3) ... [2021-01-20 17:52:30,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4c0ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 05:52:30, skipping insertion in model container [2021-01-20 17:52:30,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 05:52:30" (3/3) ... [2021-01-20 17:52:30,755 INFO L111 eAbstractionObserver]: Analyzing ICFG queue.i [2021-01-20 17:52:30,774 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-20 17:52:30,774 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-20 17:52:30,778 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-20 17:52:30,779 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-20 17:52:30,832 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,832 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,834 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,834 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,834 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,835 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,835 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,835 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,836 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,836 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,836 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,836 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,837 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,837 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,837 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,838 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,838 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,838 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,838 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,839 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,839 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,839 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,840 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,840 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,840 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,841 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,841 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,842 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,842 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,842 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,842 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,843 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,843 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,843 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,843 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,844 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,845 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,845 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,845 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,845 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,846 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,846 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,846 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,846 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,847 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,847 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,847 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,847 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,847 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,848 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,848 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,848 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,849 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,849 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,849 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,849 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,849 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,850 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,850 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,850 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,850 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,851 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,851 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,851 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,851 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,852 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,852 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,853 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,853 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,853 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,853 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,854 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,854 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,854 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,854 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,855 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,855 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,855 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,856 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,857 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,857 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,857 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,858 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,858 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,859 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,859 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,859 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,859 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,860 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,860 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,860 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,861 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,861 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,861 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,862 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,862 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,862 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,863 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,863 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,864 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,865 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,869 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,870 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,870 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,871 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,877 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,877 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,878 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,879 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,879 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,879 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,879 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,880 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,880 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,880 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,881 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,881 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,881 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,882 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,882 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,882 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,882 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,883 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,883 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,883 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,883 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,884 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,884 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,884 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,884 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,885 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,885 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,885 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,885 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,886 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,886 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,886 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,887 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,887 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,887 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,889 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,889 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,889 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,890 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,890 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,890 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,891 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,891 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,891 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,891 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,892 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,892 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,892 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,892 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,893 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,893 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,893 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,893 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,894 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,894 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,894 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,895 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,895 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,895 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,895 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,896 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,896 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,897 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,897 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,897 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,897 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,898 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,898 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,898 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,898 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,899 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,899 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,899 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,899 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,900 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,900 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,900 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,900 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,900 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,901 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,901 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,901 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,902 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,902 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,902 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,902 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,903 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,903 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,903 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,904 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,904 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,904 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,904 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,905 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,905 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,905 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,905 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,906 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,906 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,906 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,907 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,914 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,914 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,915 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,915 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,915 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,916 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,916 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,916 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,916 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,917 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,917 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,917 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,917 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,918 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,918 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,918 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,919 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,919 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,919 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,920 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,920 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,922 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,927 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,927 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,927 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,927 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,928 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,929 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,930 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,931 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,932 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,932 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,932 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,933 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,933 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,933 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,938 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,938 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,938 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,939 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,939 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,940 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,940 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,940 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,941 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,941 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,941 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,942 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,942 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,943 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,944 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,945 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,946 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,946 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,946 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,947 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,947 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,947 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,947 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,947 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,948 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,949 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,950 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,951 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,951 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,952 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,952 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,952 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,953 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,953 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,953 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,953 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,954 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,954 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,954 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,954 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,954 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,955 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,955 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,955 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,955 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,956 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,956 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,956 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,956 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,957 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,957 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,957 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,957 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,957 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,958 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,958 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,958 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,958 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,959 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,959 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,959 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,959 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,959 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,960 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,960 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,960 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,961 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,961 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,961 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,961 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,961 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,962 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,962 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,962 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,962 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,963 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,963 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,963 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,963 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,964 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,964 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,964 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,964 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,965 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,965 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,965 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,965 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,965 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,966 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,966 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,966 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,966 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,967 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,967 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,967 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,967 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,968 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,968 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,968 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,968 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,969 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,969 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,969 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,969 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,970 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,970 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,970 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,970 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,971 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,971 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,971 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,971 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,972 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,972 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,972 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,972 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,972 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,973 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,973 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,973 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,973 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,974 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,974 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,974 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,974 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,975 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,975 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,975 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,975 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,976 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,976 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,976 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,976 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,977 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,977 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,977 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,977 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,978 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,979 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,985 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,985 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,985 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,986 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,986 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,987 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,987 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,987 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,988 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,988 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,988 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,988 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,989 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,989 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,989 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,990 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,990 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,990 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,990 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,990 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,991 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,991 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,991 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,993 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,993 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,993 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,994 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,994 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,994 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,994 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,995 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,995 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,995 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,995 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,996 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,996 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,996 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,996 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,997 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,997 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,997 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,997 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,998 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,998 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,998 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,998 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,998 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,999 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,999 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:30,999 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,000 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,000 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,000 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,000 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,001 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,001 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,001 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,001 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,001 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,002 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,002 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,002 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,003 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,003 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,003 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,003 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,003 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,004 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,004 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,004 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,005 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,005 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,005 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,005 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,005 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,006 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,006 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,006 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,006 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,007 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,007 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,007 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,007 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,007 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,008 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,008 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,008 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,008 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,009 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,009 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,009 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,009 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,010 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,010 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,010 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,010 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,011 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,011 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,011 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,011 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,012 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,012 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,012 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,012 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,013 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,013 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,013 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,014 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,014 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,014 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,014 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,015 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,015 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,015 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,015 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,016 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,016 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,016 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,016 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,017 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,017 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,017 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,017 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,018 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,018 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,018 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,018 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,019 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,019 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,019 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,020 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,020 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,020 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,020 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,020 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,021 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,021 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,021 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,021 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,022 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,022 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,022 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,022 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,022 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,023 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,023 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,023 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,024 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,024 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,024 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,024 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,024 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,025 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,025 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,025 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,026 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,026 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,026 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,026 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,026 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,027 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,027 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,027 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,027 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,028 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,028 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,028 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,028 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,028 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,029 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,029 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,029 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,030 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,030 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,030 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,031 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,031 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,031 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,031 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,031 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,032 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,032 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,032 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,033 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,033 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,033 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,033 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,036 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,037 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,037 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,037 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,038 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,038 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,038 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,038 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,039 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,039 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,039 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,039 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,039 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,040 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,040 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,040 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,040 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,040 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,041 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,041 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,041 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,041 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,042 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,042 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,048 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,048 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,048 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,048 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,049 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,049 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,049 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,049 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,049 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,050 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,050 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,050 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,050 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,050 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,051 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,051 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,051 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,051 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,051 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,052 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,052 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,052 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,052 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,052 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,053 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,053 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,053 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,053 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,053 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,054 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,054 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,054 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,054 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,054 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,054 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,055 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,055 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,061 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-01-20 17:52:31,110 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-01-20 17:52:31,132 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-20 17:52:31,133 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-20 17:52:31,133 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-20 17:52:31,133 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-20 17:52:31,133 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-20 17:52:31,133 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-20 17:52:31,133 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-20 17:52:31,133 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-20 17:52:31,151 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 250 places, 263 transitions, 548 flow [2021-01-20 17:52:32,495 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 19204 states, 19199 states have (on average 2.7913953851763114) internal successors, (53592), 19203 states have internal predecessors, (53592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:32,545 INFO L276 IsEmpty]: Start isEmpty. Operand has 19204 states, 19199 states have (on average 2.7913953851763114) internal successors, (53592), 19203 states have internal predecessors, (53592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:32,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-20 17:52:32,553 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:32,554 INFO L504 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] [2021-01-20 17:52:32,554 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:52:32,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:32,561 INFO L82 PathProgramCache]: Analyzing trace with hash -838741479, now seen corresponding path program 1 times [2021-01-20 17:52:32,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:32,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573881707] [2021-01-20 17:52:32,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:32,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:32,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573881707] [2021-01-20 17:52:32,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:32,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-20 17:52:32,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704063804] [2021-01-20 17:52:32,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-20 17:52:32,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:32,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-20 17:52:32,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-20 17:52:32,952 INFO L87 Difference]: Start difference. First operand has 19204 states, 19199 states have (on average 2.7913953851763114) internal successors, (53592), 19203 states have internal predecessors, (53592), 0 states have call successors, (0), 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 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:33,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:33,184 INFO L93 Difference]: Finished difference Result 18201 states and 49385 transitions. [2021-01-20 17:52:33,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-20 17:52:33,186 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2021-01-20 17:52:33,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:33,188 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-20 17:52:33,188 INFO L78 Accepts]: Start accepts. Automaton has 18201 states and 49385 transitions. Word has length 50 [2021-01-20 17:52:33,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:33,189 INFO L481 AbstractCegarLoop]: Abstraction has 18201 states and 49385 transitions. [2021-01-20 17:52:33,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:33,286 INFO L276 IsEmpty]: Start isEmpty. Operand 18201 states and 49385 transitions. [2021-01-20 17:52:33,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-20 17:52:33,332 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:33,333 INFO L504 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] [2021-01-20 17:52:33,339 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-20 17:52:33,339 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:52:33,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:33,340 INFO L82 PathProgramCache]: Analyzing trace with hash -937329715, now seen corresponding path program 1 times [2021-01-20 17:52:33,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:33,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570251013] [2021-01-20 17:52:33,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:33,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:33,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570251013] [2021-01-20 17:52:33,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:33,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-01-20 17:52:33,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996852917] [2021-01-20 17:52:33,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-01-20 17:52:33,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:33,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-01-20 17:52:33,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-01-20 17:52:33,887 INFO L87 Difference]: Start difference. First operand 18201 states and 49385 transitions. Second operand has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:34,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:34,633 INFO L93 Difference]: Finished difference Result 18198 states and 49381 transitions. [2021-01-20 17:52:34,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-20 17:52:34,634 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2021-01-20 17:52:34,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:34,635 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2021-01-20 17:52:34,636 INFO L78 Accepts]: Start accepts. Automaton has 18198 states and 49381 transitions. Word has length 83 [2021-01-20 17:52:34,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:34,636 INFO L481 AbstractCegarLoop]: Abstraction has 18198 states and 49381 transitions. [2021-01-20 17:52:34,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:34,636 INFO L276 IsEmpty]: Start isEmpty. Operand 18198 states and 49381 transitions. [2021-01-20 17:52:34,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-20 17:52:34,642 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:34,643 INFO L504 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] [2021-01-20 17:52:34,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-20 17:52:34,643 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:52:34,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:34,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1138949571, now seen corresponding path program 1 times [2021-01-20 17:52:34,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:34,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147124075] [2021-01-20 17:52:34,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:34,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:34,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147124075] [2021-01-20 17:52:34,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:34,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-20 17:52:34,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649884361] [2021-01-20 17:52:34,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-20 17:52:34,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:34,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-20 17:52:34,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-20 17:52:34,835 INFO L87 Difference]: Start difference. First operand 18198 states and 49381 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:34,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:34,971 INFO L93 Difference]: Finished difference Result 18030 states and 48763 transitions. [2021-01-20 17:52:34,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-20 17:52:34,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2021-01-20 17:52:34,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:34,975 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-20 17:52:34,975 INFO L78 Accepts]: Start accepts. Automaton has 18030 states and 48763 transitions. Word has length 84 [2021-01-20 17:52:34,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:34,976 INFO L481 AbstractCegarLoop]: Abstraction has 18030 states and 48763 transitions. [2021-01-20 17:52:34,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:34,976 INFO L276 IsEmpty]: Start isEmpty. Operand 18030 states and 48763 transitions. [2021-01-20 17:52:34,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-01-20 17:52:34,989 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:34,990 INFO L504 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] [2021-01-20 17:52:34,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-20 17:52:34,990 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:52:34,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:34,992 INFO L82 PathProgramCache]: Analyzing trace with hash -128776249, now seen corresponding path program 1 times [2021-01-20 17:52:34,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:34,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680469821] [2021-01-20 17:52:34,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:35,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:35,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680469821] [2021-01-20 17:52:35,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:35,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-20 17:52:35,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585494348] [2021-01-20 17:52:35,151 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-20 17:52:35,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:35,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-20 17:52:35,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 17:52:35,152 INFO L87 Difference]: Start difference. First operand 18030 states and 48763 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:35,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:35,314 INFO L93 Difference]: Finished difference Result 12888 states and 34321 transitions. [2021-01-20 17:52:35,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-20 17:52:35,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-01-20 17:52:35,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:35,316 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 17:52:35,316 INFO L78 Accepts]: Start accepts. Automaton has 12888 states and 34321 transitions. Word has length 90 [2021-01-20 17:52:35,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:35,317 INFO L481 AbstractCegarLoop]: Abstraction has 12888 states and 34321 transitions. [2021-01-20 17:52:35,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:35,318 INFO L276 IsEmpty]: Start isEmpty. Operand 12888 states and 34321 transitions. [2021-01-20 17:52:35,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-01-20 17:52:35,324 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:35,325 INFO L504 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] [2021-01-20 17:52:35,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-20 17:52:35,325 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:52:35,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:35,326 INFO L82 PathProgramCache]: Analyzing trace with hash -210191151, now seen corresponding path program 1 times [2021-01-20 17:52:35,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:35,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055673404] [2021-01-20 17:52:35,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:35,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:35,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055673404] [2021-01-20 17:52:35,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:35,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-20 17:52:35,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144391654] [2021-01-20 17:52:35,406 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-20 17:52:35,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:35,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-20 17:52:35,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-20 17:52:35,407 INFO L87 Difference]: Start difference. First operand 12888 states and 34321 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:35,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:35,518 INFO L93 Difference]: Finished difference Result 23037 states and 61551 transitions. [2021-01-20 17:52:35,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-20 17:52:35,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2021-01-20 17:52:35,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:35,520 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-20 17:52:35,520 INFO L78 Accepts]: Start accepts. Automaton has 23037 states and 61551 transitions. Word has length 99 [2021-01-20 17:52:35,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:35,520 INFO L481 AbstractCegarLoop]: Abstraction has 23037 states and 61551 transitions. [2021-01-20 17:52:35,521 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:35,521 INFO L276 IsEmpty]: Start isEmpty. Operand 23037 states and 61551 transitions. [2021-01-20 17:52:35,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-01-20 17:52:35,528 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:35,528 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:52:35,529 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-20 17:52:35,529 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:52:35,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:35,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1209080172, now seen corresponding path program 1 times [2021-01-20 17:52:35,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:35,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555511912] [2021-01-20 17:52:35,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:36,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:36,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555511912] [2021-01-20 17:52:36,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:36,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-01-20 17:52:36,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692756265] [2021-01-20 17:52:36,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-01-20 17:52:36,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:36,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-01-20 17:52:36,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-01-20 17:52:36,051 INFO L87 Difference]: Start difference. First operand 23037 states and 61551 transitions. Second operand has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:37,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:37,116 INFO L93 Difference]: Finished difference Result 23125 states and 61781 transitions. [2021-01-20 17:52:37,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-01-20 17:52:37,117 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-01-20 17:52:37,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:37,118 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=170, Invalid=430, Unknown=0, NotChecked=0, Total=600 [2021-01-20 17:52:37,118 INFO L78 Accepts]: Start accepts. Automaton has 23125 states and 61781 transitions. Word has length 100 [2021-01-20 17:52:37,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:37,118 INFO L481 AbstractCegarLoop]: Abstraction has 23125 states and 61781 transitions. [2021-01-20 17:52:37,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:37,119 INFO L276 IsEmpty]: Start isEmpty. Operand 23125 states and 61781 transitions. [2021-01-20 17:52:37,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-01-20 17:52:37,130 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:37,130 INFO L504 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] [2021-01-20 17:52:37,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-20 17:52:37,131 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:52:37,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:37,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1894806988, now seen corresponding path program 1 times [2021-01-20 17:52:37,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:37,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820050943] [2021-01-20 17:52:37,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:37,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:37,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820050943] [2021-01-20 17:52:37,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:37,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-01-20 17:52:37,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800822320] [2021-01-20 17:52:37,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-01-20 17:52:37,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:37,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-01-20 17:52:37,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2021-01-20 17:52:37,746 INFO L87 Difference]: Start difference. First operand 23125 states and 61781 transitions. Second operand has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:38,325 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2021-01-20 17:52:39,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:39,747 INFO L93 Difference]: Finished difference Result 27109 states and 72281 transitions. [2021-01-20 17:52:39,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-01-20 17:52:39,748 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2021-01-20 17:52:39,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:39,749 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=280, Invalid=842, Unknown=0, NotChecked=0, Total=1122 [2021-01-20 17:52:39,749 INFO L78 Accepts]: Start accepts. Automaton has 27109 states and 72281 transitions. Word has length 102 [2021-01-20 17:52:39,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:39,750 INFO L481 AbstractCegarLoop]: Abstraction has 27109 states and 72281 transitions. [2021-01-20 17:52:39,750 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:39,750 INFO L276 IsEmpty]: Start isEmpty. Operand 27109 states and 72281 transitions. [2021-01-20 17:52:39,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-01-20 17:52:39,758 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:39,758 INFO L504 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] [2021-01-20 17:52:39,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-20 17:52:39,759 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:52:39,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:39,759 INFO L82 PathProgramCache]: Analyzing trace with hash -609697242, now seen corresponding path program 2 times [2021-01-20 17:52:39,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:39,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157261710] [2021-01-20 17:52:39,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:40,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:40,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157261710] [2021-01-20 17:52:40,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:40,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-01-20 17:52:40,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567283920] [2021-01-20 17:52:40,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-01-20 17:52:40,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:40,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-01-20 17:52:40,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2021-01-20 17:52:40,211 INFO L87 Difference]: Start difference. First operand 27109 states and 72281 transitions. Second operand has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:40,829 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2021-01-20 17:52:42,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:42,102 INFO L93 Difference]: Finished difference Result 27661 states and 73721 transitions. [2021-01-20 17:52:42,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-01-20 17:52:42,103 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2021-01-20 17:52:42,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:42,104 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=277, Invalid=779, Unknown=0, NotChecked=0, Total=1056 [2021-01-20 17:52:42,104 INFO L78 Accepts]: Start accepts. Automaton has 27661 states and 73721 transitions. Word has length 102 [2021-01-20 17:52:42,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:42,104 INFO L481 AbstractCegarLoop]: Abstraction has 27661 states and 73721 transitions. [2021-01-20 17:52:42,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:42,104 INFO L276 IsEmpty]: Start isEmpty. Operand 27661 states and 73721 transitions. [2021-01-20 17:52:42,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-01-20 17:52:42,114 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:42,114 INFO L504 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] [2021-01-20 17:52:42,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-20 17:52:42,114 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:52:42,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:42,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1991342780, now seen corresponding path program 3 times [2021-01-20 17:52:42,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:42,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76629950] [2021-01-20 17:52:42,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:42,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:42,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76629950] [2021-01-20 17:52:42,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:42,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-01-20 17:52:42,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106143474] [2021-01-20 17:52:42,655 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-01-20 17:52:42,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:42,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-01-20 17:52:42,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-01-20 17:52:42,656 INFO L87 Difference]: Start difference. First operand 27661 states and 73721 transitions. Second operand has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:44,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:44,322 INFO L93 Difference]: Finished difference Result 27293 states and 72715 transitions. [2021-01-20 17:52:44,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-01-20 17:52:44,323 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2021-01-20 17:52:44,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:44,324 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=242, Invalid=688, Unknown=0, NotChecked=0, Total=930 [2021-01-20 17:52:44,324 INFO L78 Accepts]: Start accepts. Automaton has 27293 states and 72715 transitions. Word has length 102 [2021-01-20 17:52:44,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:44,324 INFO L481 AbstractCegarLoop]: Abstraction has 27293 states and 72715 transitions. [2021-01-20 17:52:44,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:44,325 INFO L276 IsEmpty]: Start isEmpty. Operand 27293 states and 72715 transitions. [2021-01-20 17:52:44,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-01-20 17:52:44,334 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:44,334 INFO L504 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] [2021-01-20 17:52:44,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-20 17:52:44,334 INFO L429 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:52:44,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:44,335 INFO L82 PathProgramCache]: Analyzing trace with hash 606754682, now seen corresponding path program 1 times [2021-01-20 17:52:44,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:44,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277068296] [2021-01-20 17:52:44,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:45,117 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 25 [2021-01-20 17:52:45,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:45,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277068296] [2021-01-20 17:52:45,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:45,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-01-20 17:52:45,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073154627] [2021-01-20 17:52:45,622 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-01-20 17:52:45,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:45,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-01-20 17:52:45,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2021-01-20 17:52:45,623 INFO L87 Difference]: Start difference. First operand 27293 states and 72715 transitions. Second operand has 26 states, 26 states have (on average 4.0) internal successors, (104), 26 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:46,707 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 49 [2021-01-20 17:52:47,282 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 45 [2021-01-20 17:52:47,668 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2021-01-20 17:52:49,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:49,153 INFO L93 Difference]: Finished difference Result 27113 states and 72373 transitions. [2021-01-20 17:52:49,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-01-20 17:52:49,154 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.0) internal successors, (104), 26 states have internal predecessors, (104), 0 states have call successors, (0), 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 104 [2021-01-20 17:52:49,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:49,155 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 518 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=457, Invalid=1993, Unknown=0, NotChecked=0, Total=2450 [2021-01-20 17:52:49,155 INFO L78 Accepts]: Start accepts. Automaton has 27113 states and 72373 transitions. Word has length 104 [2021-01-20 17:52:49,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:49,156 INFO L481 AbstractCegarLoop]: Abstraction has 27113 states and 72373 transitions. [2021-01-20 17:52:49,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.0) internal successors, (104), 26 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:49,156 INFO L276 IsEmpty]: Start isEmpty. Operand 27113 states and 72373 transitions. [2021-01-20 17:52:49,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-20 17:52:49,164 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:49,164 INFO L504 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] [2021-01-20 17:52:49,164 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-20 17:52:49,164 INFO L429 AbstractCegarLoop]: === Iteration 11 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:52:49,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:49,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1457621682, now seen corresponding path program 1 times [2021-01-20 17:52:49,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:49,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478975238] [2021-01-20 17:52:49,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:50,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:50,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478975238] [2021-01-20 17:52:50,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:50,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-01-20 17:52:50,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731364616] [2021-01-20 17:52:50,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-01-20 17:52:50,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:50,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-01-20 17:52:50,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2021-01-20 17:52:50,589 INFO L87 Difference]: Start difference. First operand 27113 states and 72373 transitions. Second operand has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:51,436 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 46 [2021-01-20 17:52:51,581 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 50 [2021-01-20 17:52:51,735 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 52 [2021-01-20 17:52:52,139 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 46 [2021-01-20 17:52:52,314 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 47 [2021-01-20 17:52:52,621 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 47 [2021-01-20 17:52:52,792 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 51 [2021-01-20 17:52:54,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:54,990 INFO L93 Difference]: Finished difference Result 30416 states and 81005 transitions. [2021-01-20 17:52:54,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-01-20 17:52:54,991 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2021-01-20 17:52:54,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:54,993 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 804 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=593, Invalid=2713, Unknown=0, NotChecked=0, Total=3306 [2021-01-20 17:52:54,993 INFO L78 Accepts]: Start accepts. Automaton has 30416 states and 81005 transitions. Word has length 106 [2021-01-20 17:52:54,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:54,993 INFO L481 AbstractCegarLoop]: Abstraction has 30416 states and 81005 transitions. [2021-01-20 17:52:54,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:54,993 INFO L276 IsEmpty]: Start isEmpty. Operand 30416 states and 81005 transitions. [2021-01-20 17:52:55,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-20 17:52:55,002 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:55,002 INFO L504 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] [2021-01-20 17:52:55,003 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-20 17:52:55,003 INFO L429 AbstractCegarLoop]: === Iteration 12 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:52:55,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:55,004 INFO L82 PathProgramCache]: Analyzing trace with hash -984305760, now seen corresponding path program 2 times [2021-01-20 17:52:55,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:55,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337858429] [2021-01-20 17:52:55,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:56,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:56,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337858429] [2021-01-20 17:52:56,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:56,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-01-20 17:52:56,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701489719] [2021-01-20 17:52:56,552 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-01-20 17:52:56,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:56,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-01-20 17:52:56,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=679, Unknown=0, NotChecked=0, Total=756 [2021-01-20 17:52:56,553 INFO L87 Difference]: Start difference. First operand 30416 states and 81005 transitions. Second operand has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:57,553 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2021-01-20 17:52:57,719 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2021-01-20 17:52:57,892 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 52 [2021-01-20 17:52:58,042 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 46 [2021-01-20 17:52:58,626 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 45 [2021-01-20 17:52:58,819 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 47 [2021-01-20 17:52:59,141 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 47 [2021-01-20 17:52:59,327 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 51 [2021-01-20 17:52:59,484 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2021-01-20 17:53:00,226 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-01-20 17:53:00,407 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2021-01-20 17:53:01,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:53:01,439 INFO L93 Difference]: Finished difference Result 31985 states and 85105 transitions. [2021-01-20 17:53:01,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-01-20 17:53:01,439 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2021-01-20 17:53:01,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:53:01,441 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 830 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=667, Invalid=2993, Unknown=0, NotChecked=0, Total=3660 [2021-01-20 17:53:01,442 INFO L78 Accepts]: Start accepts. Automaton has 31985 states and 85105 transitions. Word has length 106 [2021-01-20 17:53:01,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:53:01,442 INFO L481 AbstractCegarLoop]: Abstraction has 31985 states and 85105 transitions. [2021-01-20 17:53:01,442 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:01,442 INFO L276 IsEmpty]: Start isEmpty. Operand 31985 states and 85105 transitions. [2021-01-20 17:53:01,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-20 17:53:01,452 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:53:01,453 INFO L504 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] [2021-01-20 17:53:01,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-20 17:53:01,454 INFO L429 AbstractCegarLoop]: === Iteration 13 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:53:01,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:53:01,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1906620234, now seen corresponding path program 3 times [2021-01-20 17:53:01,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:53:01,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905070091] [2021-01-20 17:53:01,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:53:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:53:02,166 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 31 [2021-01-20 17:53:03,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:53:03,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905070091] [2021-01-20 17:53:03,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:53:03,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-01-20 17:53:03,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132627626] [2021-01-20 17:53:03,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-01-20 17:53:03,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:53:03,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-01-20 17:53:03,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=679, Unknown=0, NotChecked=0, Total=756 [2021-01-20 17:53:03,037 INFO L87 Difference]: Start difference. First operand 31985 states and 85105 transitions. Second operand has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:04,087 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2021-01-20 17:53:04,249 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 52 [2021-01-20 17:53:04,874 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 45 [2021-01-20 17:53:05,068 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 47 [2021-01-20 17:53:05,387 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 47 [2021-01-20 17:53:05,572 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 51 [2021-01-20 17:53:05,732 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2021-01-20 17:53:06,457 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2021-01-20 17:53:06,613 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2021-01-20 17:53:06,809 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2021-01-20 17:53:07,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:53:07,608 INFO L93 Difference]: Finished difference Result 19737 states and 52177 transitions. [2021-01-20 17:53:07,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-01-20 17:53:07,609 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2021-01-20 17:53:07,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:53:07,611 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=596, Invalid=2596, Unknown=0, NotChecked=0, Total=3192 [2021-01-20 17:53:07,611 INFO L78 Accepts]: Start accepts. Automaton has 19737 states and 52177 transitions. Word has length 106 [2021-01-20 17:53:07,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:53:07,611 INFO L481 AbstractCegarLoop]: Abstraction has 19737 states and 52177 transitions. [2021-01-20 17:53:07,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:07,612 INFO L276 IsEmpty]: Start isEmpty. Operand 19737 states and 52177 transitions. [2021-01-20 17:53:07,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-01-20 17:53:07,630 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:53:07,630 INFO L504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:53:07,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-20 17:53:07,630 INFO L429 AbstractCegarLoop]: === Iteration 14 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:53:07,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:53:07,631 INFO L82 PathProgramCache]: Analyzing trace with hash -2095328192, now seen corresponding path program 1 times [2021-01-20 17:53:07,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:53:07,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543785529] [2021-01-20 17:53:07,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:53:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:53:07,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:53:07,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543785529] [2021-01-20 17:53:07,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:53:07,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-20 17:53:07,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916892304] [2021-01-20 17:53:07,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-20 17:53:07,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:53:07,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-20 17:53:07,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 17:53:07,703 INFO L87 Difference]: Start difference. First operand 19737 states and 52177 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:07,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:53:07,764 INFO L93 Difference]: Finished difference Result 11850 states and 29698 transitions. [2021-01-20 17:53:07,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-20 17:53:07,765 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2021-01-20 17:53:07,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:53:07,766 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 17:53:07,766 INFO L78 Accepts]: Start accepts. Automaton has 11850 states and 29698 transitions. Word has length 172 [2021-01-20 17:53:07,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:53:07,766 INFO L481 AbstractCegarLoop]: Abstraction has 11850 states and 29698 transitions. [2021-01-20 17:53:07,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:07,766 INFO L276 IsEmpty]: Start isEmpty. Operand 11850 states and 29698 transitions. [2021-01-20 17:53:07,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-01-20 17:53:07,781 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:53:07,781 INFO L504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:53:07,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-20 17:53:07,782 INFO L429 AbstractCegarLoop]: === Iteration 15 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:53:07,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:53:07,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1507210427, now seen corresponding path program 1 times [2021-01-20 17:53:07,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:53:07,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387563419] [2021-01-20 17:53:07,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:53:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:53:08,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:53:08,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387563419] [2021-01-20 17:53:08,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:53:08,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-01-20 17:53:08,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631989077] [2021-01-20 17:53:08,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-01-20 17:53:08,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:53:08,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-01-20 17:53:08,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=556, Unknown=0, NotChecked=0, Total=650 [2021-01-20 17:53:08,994 INFO L87 Difference]: Start difference. First operand 11850 states and 29698 transitions. Second operand has 26 states, 26 states have (on average 6.653846153846154) internal successors, (173), 26 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:10,128 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 42 [2021-01-20 17:53:10,293 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 44 [2021-01-20 17:53:10,526 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2021-01-20 17:53:10,700 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 44 [2021-01-20 17:53:10,854 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2021-01-20 17:53:11,018 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2021-01-20 17:53:11,169 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2021-01-20 17:53:12,002 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2021-01-20 17:53:12,183 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2021-01-20 17:53:12,543 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2021-01-20 17:53:13,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:53:13,260 INFO L93 Difference]: Finished difference Result 12090 states and 30280 transitions. [2021-01-20 17:53:13,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-01-20 17:53:13,260 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 6.653846153846154) internal successors, (173), 26 states have internal predecessors, (173), 0 states have call successors, (0), 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 173 [2021-01-20 17:53:13,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:53:13,262 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 624 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=620, Invalid=2242, Unknown=0, NotChecked=0, Total=2862 [2021-01-20 17:53:13,262 INFO L78 Accepts]: Start accepts. Automaton has 12090 states and 30280 transitions. Word has length 173 [2021-01-20 17:53:13,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:53:13,263 INFO L481 AbstractCegarLoop]: Abstraction has 12090 states and 30280 transitions. [2021-01-20 17:53:13,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 6.653846153846154) internal successors, (173), 26 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:13,263 INFO L276 IsEmpty]: Start isEmpty. Operand 12090 states and 30280 transitions. [2021-01-20 17:53:13,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-01-20 17:53:13,277 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:53:13,277 INFO L504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:53:13,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-20 17:53:13,278 INFO L429 AbstractCegarLoop]: === Iteration 16 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:53:13,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:53:13,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1068701600, now seen corresponding path program 1 times [2021-01-20 17:53:13,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:53:13,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30116856] [2021-01-20 17:53:13,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:53:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:53:15,145 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 25 [2021-01-20 17:53:15,445 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 34 [2021-01-20 17:53:16,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:53:16,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30116856] [2021-01-20 17:53:16,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:53:16,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-01-20 17:53:16,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211600182] [2021-01-20 17:53:16,037 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-01-20 17:53:16,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:53:16,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-01-20 17:53:16,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=978, Unknown=0, NotChecked=0, Total=1122 [2021-01-20 17:53:16,039 INFO L87 Difference]: Start difference. First operand 12090 states and 30280 transitions. Second operand has 34 states, 34 states have (on average 5.205882352941177) internal successors, (177), 34 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:16,966 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 47 [2021-01-20 17:53:17,127 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 51 [2021-01-20 17:53:17,299 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 58 [2021-01-20 17:53:17,729 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 47 [2021-01-20 17:53:17,921 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 51 [2021-01-20 17:53:18,218 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 49 [2021-01-20 17:53:18,454 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 49 [2021-01-20 17:53:18,644 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 51 [2021-01-20 17:53:18,843 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 49 [2021-01-20 17:53:19,025 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 51 [2021-01-20 17:53:19,185 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2021-01-20 17:53:19,442 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 51 [2021-01-20 17:53:19,946 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2021-01-20 17:53:20,294 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 49 [2021-01-20 17:53:21,579 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2021-01-20 17:53:21,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:53:21,940 INFO L93 Difference]: Finished difference Result 13842 states and 34694 transitions. [2021-01-20 17:53:21,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-01-20 17:53:21,941 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 5.205882352941177) internal successors, (177), 34 states have internal predecessors, (177), 0 states have call successors, (0), 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 177 [2021-01-20 17:53:21,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:53:21,944 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 3 SyntacticMatches, 8 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1333 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=880, Invalid=3812, Unknown=0, NotChecked=0, Total=4692 [2021-01-20 17:53:21,944 INFO L78 Accepts]: Start accepts. Automaton has 13842 states and 34694 transitions. Word has length 177 [2021-01-20 17:53:21,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:53:21,944 INFO L481 AbstractCegarLoop]: Abstraction has 13842 states and 34694 transitions. [2021-01-20 17:53:21,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 5.205882352941177) internal successors, (177), 34 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:21,945 INFO L276 IsEmpty]: Start isEmpty. Operand 13842 states and 34694 transitions. [2021-01-20 17:53:21,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 17:53:21,959 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:53:21,959 INFO L504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:53:21,959 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-20 17:53:21,959 INFO L429 AbstractCegarLoop]: === Iteration 17 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:53:21,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:53:21,960 INFO L82 PathProgramCache]: Analyzing trace with hash 989901445, now seen corresponding path program 1 times [2021-01-20 17:53:21,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:53:21,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588140320] [2021-01-20 17:53:21,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:53:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:53:22,935 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-01-20 17:53:23,163 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 17:53:23,445 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2021-01-20 17:53:23,749 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55 [2021-01-20 17:53:23,972 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2021-01-20 17:53:24,203 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 17:53:24,548 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 17:53:24,744 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 17:53:25,119 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 36 [2021-01-20 17:53:25,376 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2021-01-20 17:53:25,551 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 29 [2021-01-20 17:53:25,724 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 29 [2021-01-20 17:53:25,958 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 36 [2021-01-20 17:53:26,148 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2021-01-20 17:53:26,490 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:53:26,680 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2021-01-20 17:53:28,260 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2021-01-20 17:53:28,513 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 43 [2021-01-20 17:53:28,797 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-01-20 17:53:31,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:53:31,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588140320] [2021-01-20 17:53:31,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:53:31,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 17:53:31,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817339030] [2021-01-20 17:53:31,261 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 17:53:31,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:53:31,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 17:53:31,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=2360, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 17:53:31,263 INFO L87 Difference]: Start difference. First operand 13842 states and 34694 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:33,011 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 51 [2021-01-20 17:53:33,275 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 53 [2021-01-20 17:53:33,541 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 57 [2021-01-20 17:53:34,586 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 42 [2021-01-20 17:53:35,105 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 46 [2021-01-20 17:53:35,444 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 49 [2021-01-20 17:53:35,914 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 51 [2021-01-20 17:53:36,672 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2021-01-20 17:53:37,451 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 73 [2021-01-20 17:53:39,389 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2021-01-20 17:53:39,920 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2021-01-20 17:53:40,181 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-01-20 17:53:41,004 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2021-01-20 17:53:41,495 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 61 [2021-01-20 17:53:41,840 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2021-01-20 17:53:42,350 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 72 [2021-01-20 17:53:42,811 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2021-01-20 17:53:43,249 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2021-01-20 17:53:44,147 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2021-01-20 17:53:44,620 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-20 17:53:45,113 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-01-20 17:53:45,616 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 68 [2021-01-20 17:53:46,112 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 76 [2021-01-20 17:53:46,541 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 17:53:46,879 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2021-01-20 17:53:48,183 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 17:53:48,612 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 17:53:49,211 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 17:53:49,504 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 17:53:50,193 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 17:53:50,679 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-01-20 17:53:51,334 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:53:53,028 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 17:53:53,357 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-01-20 17:53:54,079 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:53:54,740 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-01-20 17:53:55,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:53:55,919 INFO L93 Difference]: Finished difference Result 18360 states and 45740 transitions. [2021-01-20 17:53:55,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-01-20 17:53:55,919 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2021-01-20 17:53:55,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:53:55,925 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 12 SyntacticMatches, 7 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4392 ImplicationChecksByTransitivity, 23.4s TimeCoverageRelationStatistics Valid=1539, Invalid=14463, Unknown=0, NotChecked=0, Total=16002 [2021-01-20 17:53:55,925 INFO L78 Accepts]: Start accepts. Automaton has 18360 states and 45740 transitions. Word has length 181 [2021-01-20 17:53:55,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:53:55,925 INFO L481 AbstractCegarLoop]: Abstraction has 18360 states and 45740 transitions. [2021-01-20 17:53:55,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:55,926 INFO L276 IsEmpty]: Start isEmpty. Operand 18360 states and 45740 transitions. [2021-01-20 17:53:55,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 17:53:55,943 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:53:55,943 INFO L504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:53:55,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-20 17:53:55,944 INFO L429 AbstractCegarLoop]: === Iteration 18 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:53:55,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:53:55,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1053499993, now seen corresponding path program 2 times [2021-01-20 17:53:55,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:53:55,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423102864] [2021-01-20 17:53:55,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:53:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:53:56,938 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-01-20 17:53:57,194 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 17:53:57,513 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2021-01-20 17:53:57,850 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55 [2021-01-20 17:53:58,142 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2021-01-20 17:53:58,426 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 17:53:58,982 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 17:53:59,249 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 17:53:59,851 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-01-20 17:54:00,149 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2021-01-20 17:54:00,347 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 29 [2021-01-20 17:54:00,554 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 29 [2021-01-20 17:54:00,945 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 36 [2021-01-20 17:54:01,137 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2021-01-20 17:54:01,387 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:54:01,578 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2021-01-20 17:54:03,306 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2021-01-20 17:54:03,568 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 43 [2021-01-20 17:54:03,857 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-01-20 17:54:06,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:54:06,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423102864] [2021-01-20 17:54:06,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:54:06,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 17:54:06,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096084309] [2021-01-20 17:54:06,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 17:54:06,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:54:06,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 17:54:06,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=2360, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 17:54:06,418 INFO L87 Difference]: Start difference. First operand 18360 states and 45740 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:54:08,589 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 51 [2021-01-20 17:54:08,949 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 53 [2021-01-20 17:54:09,307 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 57 [2021-01-20 17:54:10,190 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 60 [2021-01-20 17:54:10,469 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 40 [2021-01-20 17:54:11,098 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 42 [2021-01-20 17:54:11,825 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 46 [2021-01-20 17:54:12,287 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 49 [2021-01-20 17:54:12,935 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 51 [2021-01-20 17:54:13,826 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2021-01-20 17:54:14,754 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 73 [2021-01-20 17:54:16,466 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-01-20 17:54:16,750 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2021-01-20 17:54:17,361 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2021-01-20 17:54:17,618 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-01-20 17:54:18,010 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2021-01-20 17:54:18,485 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2021-01-20 17:54:19,044 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 61 [2021-01-20 17:54:19,387 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2021-01-20 17:54:19,939 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 72 [2021-01-20 17:54:20,443 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2021-01-20 17:54:20,896 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2021-01-20 17:54:21,593 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2021-01-20 17:54:22,233 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-20 17:54:22,874 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-01-20 17:54:23,500 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 68 [2021-01-20 17:54:24,088 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 76 [2021-01-20 17:54:24,570 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 17:54:25,043 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2021-01-20 17:54:27,474 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 17:54:28,118 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 17:54:29,014 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 17:54:29,475 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 17:54:30,393 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 17:54:31,053 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-01-20 17:54:31,885 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:54:32,773 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 17:54:34,704 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 17:54:35,119 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-01-20 17:54:36,319 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:54:37,067 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-01-20 17:54:39,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:54:39,688 INFO L93 Difference]: Finished difference Result 22380 states and 55506 transitions. [2021-01-20 17:54:39,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-01-20 17:54:39,689 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2021-01-20 17:54:39,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:54:39,694 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 12 SyntacticMatches, 7 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4364 ImplicationChecksByTransitivity, 26.8s TimeCoverageRelationStatistics Valid=1542, Invalid=14460, Unknown=0, NotChecked=0, Total=16002 [2021-01-20 17:54:39,694 INFO L78 Accepts]: Start accepts. Automaton has 22380 states and 55506 transitions. Word has length 181 [2021-01-20 17:54:39,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:54:39,695 INFO L481 AbstractCegarLoop]: Abstraction has 22380 states and 55506 transitions. [2021-01-20 17:54:39,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:54:39,695 INFO L276 IsEmpty]: Start isEmpty. Operand 22380 states and 55506 transitions. [2021-01-20 17:54:39,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 17:54:39,715 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:54:39,715 INFO L504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:54:39,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-20 17:54:39,715 INFO L429 AbstractCegarLoop]: === Iteration 19 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:54:39,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:54:39,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1956598327, now seen corresponding path program 3 times [2021-01-20 17:54:39,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:54:39,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289208228] [2021-01-20 17:54:39,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:54:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:54:40,653 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-01-20 17:54:40,890 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 17:54:41,186 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2021-01-20 17:54:41,507 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55 [2021-01-20 17:54:41,767 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2021-01-20 17:54:42,035 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 17:54:42,458 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 17:54:42,697 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 17:54:43,208 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-01-20 17:54:43,391 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:54:43,580 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:54:43,831 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2021-01-20 17:54:44,036 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2021-01-20 17:54:44,323 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 29 [2021-01-20 17:54:44,532 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:54:44,750 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2021-01-20 17:54:46,740 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2021-01-20 17:54:47,050 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 43 [2021-01-20 17:54:47,381 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-01-20 17:54:50,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:54:50,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289208228] [2021-01-20 17:54:50,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:54:50,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 17:54:50,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203562438] [2021-01-20 17:54:50,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 17:54:50,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:54:50,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 17:54:50,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=2361, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 17:54:50,286 INFO L87 Difference]: Start difference. First operand 22380 states and 55506 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:54:52,052 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 37 [2021-01-20 17:54:52,495 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 51 [2021-01-20 17:54:52,940 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 53 [2021-01-20 17:54:53,375 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 57 [2021-01-20 17:54:54,324 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 60 [2021-01-20 17:54:54,641 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 40 [2021-01-20 17:54:55,366 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 64 [2021-01-20 17:54:56,073 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 67 [2021-01-20 17:54:56,539 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 44 [2021-01-20 17:54:57,311 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 69 [2021-01-20 17:54:57,931 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 47 [2021-01-20 17:54:58,713 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 86 [2021-01-20 17:54:59,059 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 49 [2021-01-20 17:54:59,805 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 84 [2021-01-20 17:55:00,513 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 73 [2021-01-20 17:55:01,630 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 71 [2021-01-20 17:55:03,274 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2021-01-20 17:55:04,084 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 73 [2021-01-20 17:55:04,781 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-01-20 17:55:05,844 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-01-20 17:55:06,091 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2021-01-20 17:55:06,478 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2021-01-20 17:55:06,821 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-01-20 17:55:07,346 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2021-01-20 17:55:07,828 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2021-01-20 17:55:08,410 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 61 [2021-01-20 17:55:08,797 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2021-01-20 17:55:09,382 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 72 [2021-01-20 17:55:09,927 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2021-01-20 17:55:10,386 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2021-01-20 17:55:11,104 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2021-01-20 17:55:11,696 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-20 17:55:12,261 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-01-20 17:55:12,768 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 68 [2021-01-20 17:55:13,260 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 76 [2021-01-20 17:55:13,718 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 17:55:14,139 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2021-01-20 17:55:15,858 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 17:55:16,404 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 17:55:17,182 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 17:55:17,563 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 17:55:18,386 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 17:55:18,964 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-01-20 17:55:19,727 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:55:20,742 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 17:55:21,193 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-01-20 17:55:22,117 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 17:55:22,470 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-01-20 17:55:23,258 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:55:23,986 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-01-20 17:55:25,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:55:25,266 INFO L93 Difference]: Finished difference Result 26564 states and 65646 transitions. [2021-01-20 17:55:25,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-01-20 17:55:25,267 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2021-01-20 17:55:25,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:55:25,270 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 12 SyntacticMatches, 7 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4953 ImplicationChecksByTransitivity, 32.3s TimeCoverageRelationStatistics Valid=1720, Invalid=16102, Unknown=0, NotChecked=0, Total=17822 [2021-01-20 17:55:25,270 INFO L78 Accepts]: Start accepts. Automaton has 26564 states and 65646 transitions. Word has length 181 [2021-01-20 17:55:25,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:55:25,271 INFO L481 AbstractCegarLoop]: Abstraction has 26564 states and 65646 transitions. [2021-01-20 17:55:25,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:55:25,271 INFO L276 IsEmpty]: Start isEmpty. Operand 26564 states and 65646 transitions. [2021-01-20 17:55:25,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 17:55:25,294 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:55:25,294 INFO L504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:55:25,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-20 17:55:25,294 INFO L429 AbstractCegarLoop]: === Iteration 20 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:55:25,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:55:25,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1373614895, now seen corresponding path program 4 times [2021-01-20 17:55:25,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:55:25,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568555257] [2021-01-20 17:55:25,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:55:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:55:26,339 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-01-20 17:55:26,630 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 17:55:26,989 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2021-01-20 17:55:27,368 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55 [2021-01-20 17:55:27,683 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2021-01-20 17:55:28,006 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 17:55:28,547 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 17:55:28,848 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 17:55:29,500 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-01-20 17:55:29,701 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:55:29,913 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:55:30,193 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2021-01-20 17:55:30,431 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2021-01-20 17:55:30,745 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2021-01-20 17:55:30,971 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2021-01-20 17:55:31,960 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2021-01-20 17:55:32,171 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2021-01-20 17:55:33,021 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2021-01-20 17:55:33,331 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2021-01-20 17:55:33,650 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 43 [2021-01-20 17:55:34,009 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-01-20 17:55:37,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:55:37,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568555257] [2021-01-20 17:55:37,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:55:37,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 17:55:37,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291321837] [2021-01-20 17:55:37,093 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 17:55:37,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:55:37,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 17:55:37,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=2350, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 17:55:37,094 INFO L87 Difference]: Start difference. First operand 26564 states and 65646 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:55:39,157 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 37 [2021-01-20 17:55:39,640 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 51 [2021-01-20 17:55:39,939 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 53 [2021-01-20 17:55:40,239 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 57 [2021-01-20 17:55:40,971 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 60 [2021-01-20 17:55:41,229 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 40 [2021-01-20 17:55:41,799 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 64 [2021-01-20 17:55:42,366 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 67 [2021-01-20 17:55:42,775 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 44 [2021-01-20 17:55:43,398 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 69 [2021-01-20 17:55:43,793 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 47 [2021-01-20 17:55:44,773 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 86 [2021-01-20 17:55:45,249 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 49 [2021-01-20 17:55:46,205 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 84 [2021-01-20 17:55:47,108 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 73 [2021-01-20 17:55:48,325 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 71 [2021-01-20 17:55:50,097 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-01-20 17:55:50,392 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2021-01-20 17:55:50,812 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2021-01-20 17:55:51,183 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2021-01-20 17:55:52,105 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2021-01-20 17:55:52,376 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-01-20 17:55:53,342 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2021-01-20 17:55:54,325 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2021-01-20 17:55:55,293 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 61 [2021-01-20 17:55:55,718 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2021-01-20 17:55:56,123 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 47 [2021-01-20 17:55:56,656 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 72 [2021-01-20 17:55:57,315 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 49 [2021-01-20 17:55:57,763 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2021-01-20 17:55:58,193 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2021-01-20 17:55:58,565 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2021-01-20 17:55:59,429 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2021-01-20 17:56:00,004 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-20 17:56:00,720 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-01-20 17:56:01,279 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 68 [2021-01-20 17:56:01,808 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 76 [2021-01-20 17:56:02,279 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 17:56:02,722 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2021-01-20 17:56:02,964 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-01-20 17:56:04,756 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 17:56:05,317 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 17:56:06,132 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 17:56:06,557 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 17:56:07,431 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 17:56:08,043 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-01-20 17:56:08,556 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 17:56:08,868 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:56:09,138 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 17:56:09,681 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 17:56:11,269 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 17:56:11,684 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-01-20 17:56:12,699 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:56:13,684 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-01-20 17:56:15,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:56:15,182 INFO L93 Difference]: Finished difference Result 32688 states and 80663 transitions. [2021-01-20 17:56:15,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-01-20 17:56:15,183 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2021-01-20 17:56:15,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:56:15,185 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 12 SyntacticMatches, 7 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5899 ImplicationChecksByTransitivity, 35.3s TimeCoverageRelationStatistics Valid=2011, Invalid=18295, Unknown=0, NotChecked=0, Total=20306 [2021-01-20 17:56:15,185 INFO L78 Accepts]: Start accepts. Automaton has 32688 states and 80663 transitions. Word has length 181 [2021-01-20 17:56:15,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:56:15,186 INFO L481 AbstractCegarLoop]: Abstraction has 32688 states and 80663 transitions. [2021-01-20 17:56:15,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:56:15,187 INFO L276 IsEmpty]: Start isEmpty. Operand 32688 states and 80663 transitions. [2021-01-20 17:56:15,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 17:56:15,208 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:56:15,208 INFO L504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:56:15,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-20 17:56:15,209 INFO L429 AbstractCegarLoop]: === Iteration 21 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:56:15,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:56:15,209 INFO L82 PathProgramCache]: Analyzing trace with hash -168945377, now seen corresponding path program 5 times [2021-01-20 17:56:15,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:56:15,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304763255] [2021-01-20 17:56:15,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:56:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:56:16,255 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-01-20 17:56:16,545 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 17:56:16,919 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2021-01-20 17:56:17,372 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55 [2021-01-20 17:56:17,722 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2021-01-20 17:56:18,082 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 17:56:18,667 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 17:56:18,981 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 17:56:19,691 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-01-20 17:56:19,912 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:56:20,139 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:56:20,438 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2021-01-20 17:56:20,687 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2021-01-20 17:56:21,017 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2021-01-20 17:56:21,257 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2021-01-20 17:56:22,090 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2021-01-20 17:56:22,311 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2021-01-20 17:56:23,164 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2021-01-20 17:56:23,430 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2021-01-20 17:56:23,781 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2021-01-20 17:56:24,138 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 43 [2021-01-20 17:56:24,516 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-01-20 17:56:27,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:56:27,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304763255] [2021-01-20 17:56:27,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:56:27,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 17:56:27,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816591673] [2021-01-20 17:56:27,837 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 17:56:27,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:56:27,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 17:56:27,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=2359, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 17:56:27,839 INFO L87 Difference]: Start difference. First operand 32688 states and 80663 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:56:30,116 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 37 [2021-01-20 17:56:30,453 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 51 [2021-01-20 17:56:30,805 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 53 [2021-01-20 17:56:31,158 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 57 [2021-01-20 17:56:32,004 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 60 [2021-01-20 17:56:32,287 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 40 [2021-01-20 17:56:32,946 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 64 [2021-01-20 17:56:33,557 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 67 [2021-01-20 17:56:33,990 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 44 [2021-01-20 17:56:34,683 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 69 [2021-01-20 17:56:35,109 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 47 [2021-01-20 17:56:36,211 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 86 [2021-01-20 17:56:36,699 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 49 [2021-01-20 17:56:37,761 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 84 [2021-01-20 17:56:38,756 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 73 [2021-01-20 17:56:40,173 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 71 [2021-01-20 17:56:41,163 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-20 17:56:42,088 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-01-20 17:56:42,410 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2021-01-20 17:56:42,877 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2021-01-20 17:56:43,306 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2021-01-20 17:56:44,556 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2021-01-20 17:56:44,968 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-01-20 17:56:45,711 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2021-01-20 17:56:46,269 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2021-01-20 17:56:46,992 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2021-01-20 17:56:48,518 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2021-01-20 17:56:49,044 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-01-20 17:56:49,648 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 58 [2021-01-20 17:56:50,845 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 63 [2021-01-20 17:56:51,106 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 52 [2021-01-20 17:56:51,746 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-20 17:56:52,268 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 62 [2021-01-20 17:56:52,758 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-01-20 17:56:53,416 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 68 [2021-01-20 17:56:54,017 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 76 [2021-01-20 17:56:54,366 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2021-01-20 17:56:54,909 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 17:56:55,330 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 52 [2021-01-20 17:56:55,695 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 58 [2021-01-20 17:56:57,406 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2021-01-20 17:56:58,406 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 17:56:59,071 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 17:57:00,024 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 17:57:00,493 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 17:57:01,487 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 17:57:01,846 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 17:57:02,189 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-01-20 17:57:02,558 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-01-20 17:57:02,781 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 17:57:03,119 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:57:03,426 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 17:57:03,640 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-01-20 17:57:04,052 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 17:57:04,552 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-01-20 17:57:04,917 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-20 17:57:06,015 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 17:57:06,490 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-01-20 17:57:07,736 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:57:08,102 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 17:57:08,636 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-01-20 17:57:09,271 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-01-20 17:57:10,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:57:10,731 INFO L93 Difference]: Finished difference Result 37331 states and 92095 transitions. [2021-01-20 17:57:10,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-01-20 17:57:10,732 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2021-01-20 17:57:10,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:57:10,735 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 12 SyntacticMatches, 7 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5252 ImplicationChecksByTransitivity, 37.5s TimeCoverageRelationStatistics Valid=1778, Invalid=16854, Unknown=0, NotChecked=0, Total=18632 [2021-01-20 17:57:10,735 INFO L78 Accepts]: Start accepts. Automaton has 37331 states and 92095 transitions. Word has length 181 [2021-01-20 17:57:10,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:57:10,736 INFO L481 AbstractCegarLoop]: Abstraction has 37331 states and 92095 transitions. [2021-01-20 17:57:10,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:57:10,736 INFO L276 IsEmpty]: Start isEmpty. Operand 37331 states and 92095 transitions. [2021-01-20 17:57:10,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 17:57:10,764 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:57:10,764 INFO L504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:57:10,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-20 17:57:10,765 INFO L429 AbstractCegarLoop]: === Iteration 22 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:57:10,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:57:10,765 INFO L82 PathProgramCache]: Analyzing trace with hash -720572001, now seen corresponding path program 6 times [2021-01-20 17:57:10,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:57:10,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573859495] [2021-01-20 17:57:10,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:57:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:57:12,064 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-01-20 17:57:12,392 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 17:57:12,814 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2021-01-20 17:57:13,296 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55 [2021-01-20 17:57:13,689 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2021-01-20 17:57:14,093 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 17:57:14,756 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 17:57:15,111 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 17:57:15,911 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-01-20 17:57:16,155 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:57:16,401 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:57:16,731 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2021-01-20 17:57:17,005 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2021-01-20 17:57:17,370 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2021-01-20 17:57:17,642 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2021-01-20 17:57:18,314 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2021-01-20 17:57:18,560 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2021-01-20 17:57:18,811 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2021-01-20 17:57:19,754 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2021-01-20 17:57:20,050 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2021-01-20 17:57:20,427 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2021-01-20 17:57:20,819 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 43 [2021-01-20 17:57:21,258 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-01-20 17:57:21,721 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2021-01-20 17:57:24,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:57:24,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573859495] [2021-01-20 17:57:24,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:57:24,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 17:57:24,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937257491] [2021-01-20 17:57:24,911 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 17:57:24,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:57:24,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 17:57:24,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=2358, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 17:57:24,912 INFO L87 Difference]: Start difference. First operand 37331 states and 92095 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:57:27,235 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2021-01-20 17:57:27,750 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 37 [2021-01-20 17:57:28,118 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 51 [2021-01-20 17:57:28,484 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 53 [2021-01-20 17:57:28,852 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 57 [2021-01-20 17:57:29,739 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 60 [2021-01-20 17:57:30,047 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 40 [2021-01-20 17:57:30,727 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 64 [2021-01-20 17:57:31,358 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 67 [2021-01-20 17:57:31,817 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 44 [2021-01-20 17:57:32,567 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 69 [2021-01-20 17:57:33,015 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 47 [2021-01-20 17:57:34,292 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 86 [2021-01-20 17:57:34,811 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 49 [2021-01-20 17:57:36,003 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 84 [2021-01-20 17:57:37,119 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 73 [2021-01-20 17:57:38,730 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 71 [2021-01-20 17:57:40,029 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-20 17:57:41,068 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-01-20 17:57:41,438 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2021-01-20 17:57:42,007 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2021-01-20 17:57:42,493 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2021-01-20 17:57:43,928 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2021-01-20 17:57:44,397 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-01-20 17:57:45,267 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2021-01-20 17:57:45,922 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2021-01-20 17:57:46,790 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2021-01-20 17:57:47,572 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2021-01-20 17:57:48,178 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 55 [2021-01-20 17:57:49,685 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-01-20 17:57:50,084 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 58 [2021-01-20 17:57:51,458 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 63 [2021-01-20 17:57:51,945 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2021-01-20 17:57:52,746 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-20 17:57:53,188 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 17:57:53,784 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-01-20 17:57:54,596 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 68 [2021-01-20 17:57:55,337 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 76 [2021-01-20 17:57:56,153 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2021-01-20 17:57:56,419 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-01-20 17:57:58,622 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 17:57:59,406 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 17:58:00,501 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 17:58:01,068 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 17:58:01,703 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-01-20 17:58:02,197 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 17:58:02,618 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 17:58:03,007 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-01-20 17:58:03,440 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-01-20 17:58:03,689 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 17:58:04,047 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:58:04,404 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 17:58:04,632 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-01-20 17:58:05,112 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 17:58:05,329 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-01-20 17:58:05,674 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-01-20 17:58:06,077 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-20 17:58:07,431 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 17:58:07,981 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-01-20 17:58:08,509 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 17:58:09,498 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:58:09,895 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 17:58:10,493 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-01-20 17:58:11,786 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-01-20 17:58:13,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:58:13,464 INFO L93 Difference]: Finished difference Result 39851 states and 98450 transitions. [2021-01-20 17:58:13,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-01-20 17:58:13,467 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2021-01-20 17:58:13,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:58:13,469 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 12 SyntacticMatches, 7 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4936 ImplicationChecksByTransitivity, 40.4s TimeCoverageRelationStatistics Valid=1727, Invalid=16095, Unknown=0, NotChecked=0, Total=17822 [2021-01-20 17:58:13,469 INFO L78 Accepts]: Start accepts. Automaton has 39851 states and 98450 transitions. Word has length 181 [2021-01-20 17:58:13,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:58:13,470 INFO L481 AbstractCegarLoop]: Abstraction has 39851 states and 98450 transitions. [2021-01-20 17:58:13,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:58:13,470 INFO L276 IsEmpty]: Start isEmpty. Operand 39851 states and 98450 transitions. [2021-01-20 17:58:13,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 17:58:13,499 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:58:13,500 INFO L504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:58:13,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-20 17:58:13,500 INFO L429 AbstractCegarLoop]: === Iteration 23 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:58:13,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:58:13,501 INFO L82 PathProgramCache]: Analyzing trace with hash -545781137, now seen corresponding path program 7 times [2021-01-20 17:58:13,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:58:13,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901731867] [2021-01-20 17:58:13,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:58:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:58:14,609 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 22 [2021-01-20 17:58:14,747 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2021-01-20 17:58:15,202 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-01-20 17:58:15,561 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 17:58:16,040 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2021-01-20 17:58:16,577 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55 [2021-01-20 17:58:17,014 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2021-01-20 17:58:17,484 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 17:58:18,204 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 17:58:18,634 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 17:58:19,544 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-01-20 17:58:19,813 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:58:20,086 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:58:20,455 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2021-01-20 17:58:20,758 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2021-01-20 17:58:21,158 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2021-01-20 17:58:21,468 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2021-01-20 17:58:21,727 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2021-01-20 17:58:21,991 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2021-01-20 17:58:22,237 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2021-01-20 17:58:22,516 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2021-01-20 17:58:22,796 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2021-01-20 17:58:23,534 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2021-01-20 17:58:23,879 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2021-01-20 17:58:24,218 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2021-01-20 17:58:24,665 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2021-01-20 17:58:25,132 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 43 [2021-01-20 17:58:25,637 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-01-20 17:58:26,176 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2021-01-20 17:58:27,212 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2021-01-20 17:58:27,493 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 17:58:27,800 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 17:58:28,384 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2021-01-20 17:58:29,143 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2021-01-20 17:58:29,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:58:29,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901731867] [2021-01-20 17:58:29,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:58:29,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 17:58:29,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535626708] [2021-01-20 17:58:29,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 17:58:29,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:58:29,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 17:58:29,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=2359, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 17:58:29,686 INFO L87 Difference]: Start difference. First operand 39851 states and 98450 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:58:32,251 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 37 [2021-01-20 17:58:32,884 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 51 [2021-01-20 17:58:33,305 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 53 [2021-01-20 17:58:33,704 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 57 [2021-01-20 17:58:34,748 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 60 [2021-01-20 17:58:35,080 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 40 [2021-01-20 17:58:35,813 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 64 [2021-01-20 17:58:36,490 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 67 [2021-01-20 17:58:37,002 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 44 [2021-01-20 17:58:37,783 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 69 [2021-01-20 17:58:38,268 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 47 [2021-01-20 17:58:39,737 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 86 [2021-01-20 17:58:40,303 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 49 [2021-01-20 17:58:41,692 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 84 [2021-01-20 17:58:43,026 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 73 [2021-01-20 17:58:44,862 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 71 [2021-01-20 17:58:46,134 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-20 17:58:47,364 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-01-20 17:58:47,763 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2021-01-20 17:58:48,350 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2021-01-20 17:58:48,913 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2021-01-20 17:58:50,456 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2021-01-20 17:58:50,947 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-01-20 17:58:51,829 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2021-01-20 17:58:52,523 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2021-01-20 17:58:53,426 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2021-01-20 17:58:54,217 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2021-01-20 17:58:54,859 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 55 [2021-01-20 17:58:56,405 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-01-20 17:58:56,888 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 58 [2021-01-20 17:58:57,666 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2021-01-20 17:58:59,270 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 63 [2021-01-20 17:58:59,639 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 56 [2021-01-20 17:59:00,684 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-20 17:59:01,486 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-01-20 17:59:01,893 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2021-01-20 17:59:02,604 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 68 [2021-01-20 17:59:03,316 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 76 [2021-01-20 17:59:03,971 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 17:59:04,499 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 55 [2021-01-20 17:59:04,766 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-01-20 17:59:06,627 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 17:59:07,416 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 17:59:08,495 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 17:59:09,042 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 17:59:09,423 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 17:59:09,667 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-01-20 17:59:10,178 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 17:59:10,547 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 17:59:10,982 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-01-20 17:59:11,351 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-01-20 17:59:11,629 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 17:59:12,024 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:59:12,380 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 17:59:12,645 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-01-20 17:59:13,075 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 17:59:13,325 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-01-20 17:59:13,668 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-01-20 17:59:14,058 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-20 17:59:15,121 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 17:59:15,691 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-01-20 17:59:16,123 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 17:59:16,473 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-20 17:59:17,054 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:59:17,504 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 17:59:18,186 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-01-20 17:59:19,270 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-01-20 17:59:20,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:59:20,478 INFO L93 Difference]: Finished difference Result 43469 states and 107746 transitions. [2021-01-20 17:59:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-01-20 17:59:20,481 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2021-01-20 17:59:20,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:59:20,484 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 12 SyntacticMatches, 7 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5125 ImplicationChecksByTransitivity, 46.3s TimeCoverageRelationStatistics Valid=1758, Invalid=16602, Unknown=0, NotChecked=0, Total=18360 [2021-01-20 17:59:20,484 INFO L78 Accepts]: Start accepts. Automaton has 43469 states and 107746 transitions. Word has length 181 [2021-01-20 17:59:20,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:59:20,485 INFO L481 AbstractCegarLoop]: Abstraction has 43469 states and 107746 transitions. [2021-01-20 17:59:20,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:59:20,485 INFO L276 IsEmpty]: Start isEmpty. Operand 43469 states and 107746 transitions. [2021-01-20 17:59:20,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 17:59:20,515 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:59:20,516 INFO L504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:59:20,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-20 17:59:20,516 INFO L429 AbstractCegarLoop]: === Iteration 24 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:59:20,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:59:20,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1909219741, now seen corresponding path program 8 times [2021-01-20 17:59:20,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:59:20,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734765408] [2021-01-20 17:59:20,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:59:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:59:22,096 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-01-20 17:59:22,542 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 17:59:23,116 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2021-01-20 17:59:23,782 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55 [2021-01-20 17:59:24,310 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2021-01-20 17:59:24,886 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 17:59:25,821 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 17:59:26,338 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 17:59:27,387 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-01-20 17:59:27,690 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:59:28,003 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:59:28,432 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2021-01-20 17:59:28,784 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2021-01-20 17:59:29,255 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2021-01-20 17:59:29,608 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2021-01-20 17:59:29,912 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2021-01-20 17:59:30,230 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2021-01-20 17:59:30,508 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2021-01-20 17:59:30,830 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2021-01-20 17:59:31,160 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2021-01-20 17:59:31,437 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2021-01-20 17:59:31,722 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2021-01-20 17:59:32,050 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2021-01-20 17:59:32,402 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2021-01-20 17:59:32,786 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2021-01-20 17:59:33,298 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2021-01-20 17:59:33,820 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 43 [2021-01-20 17:59:34,406 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-01-20 17:59:35,031 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2021-01-20 17:59:35,338 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 17:59:35,619 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 17:59:36,246 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2021-01-20 17:59:36,570 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 17:59:36,910 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 17:59:37,221 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2021-01-20 17:59:37,590 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2021-01-20 17:59:38,463 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2021-01-20 17:59:39,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:59:39,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734765408] [2021-01-20 17:59:39,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:59:39,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 17:59:39,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468681315] [2021-01-20 17:59:39,062 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 17:59:39,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:59:39,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 17:59:39,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=2362, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 17:59:39,064 INFO L87 Difference]: Start difference. First operand 43469 states and 107746 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:59:41,164 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2021-01-20 17:59:42,078 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 37 [2021-01-20 17:59:42,751 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 51 [2021-01-20 17:59:43,378 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 53 [2021-01-20 17:59:44,140 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 57 [2021-01-20 17:59:45,312 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 60 [2021-01-20 17:59:45,664 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 40 [2021-01-20 17:59:46,471 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 64 [2021-01-20 17:59:47,185 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 67 [2021-01-20 17:59:47,742 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 44 [2021-01-20 17:59:48,582 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 69 [2021-01-20 17:59:49,094 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 47 [2021-01-20 17:59:50,821 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 118 DAG size of output: 86 [2021-01-20 17:59:51,437 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 49 [2021-01-20 17:59:53,025 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 110 DAG size of output: 84 [2021-01-20 17:59:54,524 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 73 [2021-01-20 17:59:56,702 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 71 [2021-01-20 17:59:58,243 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-20 17:59:59,573 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-01-20 18:00:00,009 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2021-01-20 18:00:00,688 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2021-01-20 18:00:01,263 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2021-01-20 18:00:03,022 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2021-01-20 18:00:03,592 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-01-20 18:00:04,570 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2021-01-20 18:00:05,359 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2021-01-20 18:00:06,372 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2021-01-20 18:00:07,233 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2021-01-20 18:00:07,942 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 55 [2021-01-20 18:00:09,608 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-01-20 18:00:10,156 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 58 [2021-01-20 18:00:11,004 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2021-01-20 18:00:12,538 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 63 [2021-01-20 18:00:12,982 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 56 [2021-01-20 18:00:14,154 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2021-01-20 18:00:15,071 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2021-01-20 18:00:16,116 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-01-20 18:00:16,612 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2021-01-20 18:00:17,522 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 68 [2021-01-20 18:00:18,364 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 76 [2021-01-20 18:00:19,172 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 18:00:19,788 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 55 [2021-01-20 18:00:20,141 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-01-20 18:00:22,383 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 18:00:23,268 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 18:00:23,986 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-01-20 18:00:24,502 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 18:00:25,116 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 18:00:25,544 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 18:00:25,819 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-01-20 18:00:26,394 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 18:00:26,830 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 18:00:27,318 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-01-20 18:00:27,741 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-01-20 18:00:28,059 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 18:00:28,511 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 18:00:28,904 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 18:00:29,191 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-01-20 18:00:29,676 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 18:00:29,954 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-01-20 18:00:30,332 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-01-20 18:00:30,791 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-20 18:00:31,983 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 18:00:32,643 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-01-20 18:00:33,140 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 18:00:33,522 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-20 18:00:34,204 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 18:00:34,712 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 18:00:35,485 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-01-20 18:00:36,687 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-01-20 18:00:37,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 18:00:37,996 INFO L93 Difference]: Finished difference Result 45155 states and 111987 transitions. [2021-01-20 18:00:37,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-01-20 18:00:38,000 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2021-01-20 18:00:38,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 18:00:38,002 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 12 SyntacticMatches, 7 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5212 ImplicationChecksByTransitivity, 53.7s TimeCoverageRelationStatistics Valid=1770, Invalid=16862, Unknown=0, NotChecked=0, Total=18632 [2021-01-20 18:00:38,003 INFO L78 Accepts]: Start accepts. Automaton has 45155 states and 111987 transitions. Word has length 181 [2021-01-20 18:00:38,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 18:00:38,003 INFO L481 AbstractCegarLoop]: Abstraction has 45155 states and 111987 transitions. [2021-01-20 18:00:38,004 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:00:38,004 INFO L276 IsEmpty]: Start isEmpty. Operand 45155 states and 111987 transitions. [2021-01-20 18:00:38,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 18:00:38,038 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 18:00:38,039 INFO L504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 18:00:38,039 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-20 18:00:38,039 INFO L429 AbstractCegarLoop]: === Iteration 25 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 18:00:38,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 18:00:38,039 INFO L82 PathProgramCache]: Analyzing trace with hash -2100471493, now seen corresponding path program 9 times [2021-01-20 18:00:38,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 18:00:38,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456605884] [2021-01-20 18:00:38,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 18:00:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:00:38,997 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2021-01-20 18:00:39,164 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 22 [2021-01-20 18:00:39,343 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2021-01-20 18:00:39,867 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-01-20 18:00:40,398 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 18:00:41,087 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2021-01-20 18:00:41,874 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55 [2021-01-20 18:00:42,503 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2021-01-20 18:00:43,160 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 18:00:44,201 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 18:00:44,799 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 18:00:46,070 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-01-20 18:00:46,422 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 18:00:46,796 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 18:00:47,273 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2021-01-20 18:00:47,684 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2021-01-20 18:00:48,218 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2021-01-20 18:00:48,628 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2021-01-20 18:00:48,964 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2021-01-20 18:00:49,331 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2021-01-20 18:00:49,653 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2021-01-20 18:00:50,027 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2021-01-20 18:00:50,419 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2021-01-20 18:00:50,739 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2021-01-20 18:00:51,045 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2021-01-20 18:00:51,433 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2021-01-20 18:00:51,848 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2021-01-20 18:00:52,491 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 41 [2021-01-20 18:00:53,083 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2021-01-20 18:00:53,695 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 43 [2021-01-20 18:00:54,362 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-01-20 18:00:55,112 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2021-01-20 18:00:55,471 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 18:00:55,798 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 18:00:56,125 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2021-01-20 18:00:56,513 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2021-01-20 18:00:56,894 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 18:00:57,280 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 18:00:57,638 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2021-01-20 18:00:58,057 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2021-01-20 18:00:59,074 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2021-01-20 18:00:59,470 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 13 [2021-01-20 18:00:59,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 18:00:59,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456605884] [2021-01-20 18:00:59,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 18:00:59,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 18:00:59,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829973358] [2021-01-20 18:00:59,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 18:00:59,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 18:00:59,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 18:00:59,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=2364, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 18:00:59,724 INFO L87 Difference]: Start difference. First operand 45155 states and 111987 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:01:02,087 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2021-01-20 18:01:03,066 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 37 [2021-01-20 18:01:03,817 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 51 [2021-01-20 18:01:04,336 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 53 [2021-01-20 18:01:04,822 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 57 [2021-01-20 18:01:06,224 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 60 [2021-01-20 18:01:06,617 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 40 [2021-01-20 18:01:07,546 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 64 [2021-01-20 18:01:08,348 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 67 [2021-01-20 18:01:08,969 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 44 [2021-01-20 18:01:09,913 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 69 [2021-01-20 18:01:10,485 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 47 [2021-01-20 18:01:12,405 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 118 DAG size of output: 86 [2021-01-20 18:01:13,142 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 49 [2021-01-20 18:01:14,950 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 110 DAG size of output: 84 [2021-01-20 18:01:16,658 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 106 DAG size of output: 73 [2021-01-20 18:01:19,165 WARN L193 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 71 [2021-01-20 18:01:21,045 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-20 18:01:22,599 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-01-20 18:01:23,090 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2021-01-20 18:01:23,816 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2021-01-20 18:01:24,474 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2021-01-20 18:01:26,515 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2021-01-20 18:01:27,168 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-01-20 18:01:28,271 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2021-01-20 18:01:29,179 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2021-01-20 18:01:30,366 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2021-01-20 18:01:31,355 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2021-01-20 18:01:32,163 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 55 [2021-01-20 18:01:34,037 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-01-20 18:01:34,632 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 58 [2021-01-20 18:01:35,599 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2021-01-20 18:01:37,399 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 63 [2021-01-20 18:01:38,034 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 56 [2021-01-20 18:01:39,111 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2021-01-20 18:01:40,160 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2021-01-20 18:01:40,671 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2021-01-20 18:01:41,977 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 64 [2021-01-20 18:01:42,618 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2021-01-20 18:01:43,727 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-01-20 18:01:44,739 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2021-01-20 18:01:45,644 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 18:01:46,342 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 55 [2021-01-20 18:01:46,725 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-01-20 18:01:49,338 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 18:01:50,325 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 18:01:50,582 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-01-20 18:01:51,115 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-01-20 18:01:51,691 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 18:01:52,378 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 18:01:52,857 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 18:01:53,165 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-01-20 18:01:53,800 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 18:01:54,267 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 18:01:54,807 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-01-20 18:01:55,283 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-01-20 18:01:55,627 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 18:01:56,128 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 18:01:56,562 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 18:01:56,879 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-01-20 18:01:57,413 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 18:01:57,725 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-01-20 18:01:58,144 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-01-20 18:01:58,640 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-20 18:01:59,976 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 18:02:00,704 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-01-20 18:02:01,255 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 18:02:01,687 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-20 18:02:02,432 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 18:02:02,990 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 18:02:03,854 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-01-20 18:02:04,459 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-01-20 18:02:05,192 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-01-20 18:02:06,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 18:02:06,633 INFO L93 Difference]: Finished difference Result 46829 states and 116202 transitions. [2021-01-20 18:02:06,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-01-20 18:02:06,637 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2021-01-20 18:02:06,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 18:02:06,640 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 12 SyntacticMatches, 7 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5305 ImplicationChecksByTransitivity, 61.6s TimeCoverageRelationStatistics Valid=1785, Invalid=17121, Unknown=0, NotChecked=0, Total=18906 [2021-01-20 18:02:06,640 INFO L78 Accepts]: Start accepts. Automaton has 46829 states and 116202 transitions. Word has length 181 [2021-01-20 18:02:06,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 18:02:06,640 INFO L481 AbstractCegarLoop]: Abstraction has 46829 states and 116202 transitions. [2021-01-20 18:02:06,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:02:06,641 INFO L276 IsEmpty]: Start isEmpty. Operand 46829 states and 116202 transitions. [2021-01-20 18:02:06,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 18:02:06,876 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 18:02:06,876 INFO L504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 18:02:06,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-20 18:02:06,876 INFO L429 AbstractCegarLoop]: === Iteration 26 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 18:02:06,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 18:02:06,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1877031509, now seen corresponding path program 10 times [2021-01-20 18:02:06,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 18:02:06,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114382488] [2021-01-20 18:02:06,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 18:02:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:02:07,711 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 22 [2021-01-20 18:02:08,434 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2021-01-20 18:02:08,960 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-20 18:02:09,572 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2021-01-20 18:02:10,272 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2021-01-20 18:02:10,863 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-01-20 18:02:11,509 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2021-01-20 18:02:12,539 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2021-01-20 18:02:13,847 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2021-01-20 18:02:15,297 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2021-01-20 18:02:15,637 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 25 [2021-01-20 18:02:15,976 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 25 [2021-01-20 18:02:16,473 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 33 [2021-01-20 18:02:16,909 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 26 [2021-01-20 18:02:17,487 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 24 [2021-01-20 18:02:17,913 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 29 [2021-01-20 18:02:18,192 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2021-01-20 18:02:18,474 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2021-01-20 18:02:18,799 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2021-01-20 18:02:19,328 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2021-01-20 18:02:19,745 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2021-01-20 18:02:20,436 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 41 [2021-01-20 18:02:21,142 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 41 [2021-01-20 18:02:21,669 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 32 [2021-01-20 18:02:22,586 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 36 [2021-01-20 18:02:23,038 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2021-01-20 18:02:23,391 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 18:02:23,738 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 18:02:24,081 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2021-01-20 18:02:24,506 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2021-01-20 18:02:24,912 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 18:02:25,312 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 18:02:25,692 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2021-01-20 18:02:26,115 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2021-01-20 18:02:27,189 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2021-01-20 18:02:27,606 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 13 [2021-01-20 18:02:28,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 18:02:28,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114382488] [2021-01-20 18:02:28,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 18:02:28,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [47] imperfect sequences [] total 47 [2021-01-20 18:02:28,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840688897] [2021-01-20 18:02:28,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-01-20 18:02:28,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 18:02:28,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-01-20 18:02:28,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=2025, Unknown=0, NotChecked=0, Total=2162 [2021-01-20 18:02:28,042 INFO L87 Difference]: Start difference. First operand 46829 states and 116202 transitions. Second operand has 47 states, 47 states have (on average 3.851063829787234) internal successors, (181), 47 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:02:30,369 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2021-01-20 18:02:31,330 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 37 [2021-01-20 18:02:31,897 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 50 [2021-01-20 18:02:32,399 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 53 [2021-01-20 18:02:32,922 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2021-01-20 18:02:34,354 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 59 [2021-01-20 18:02:34,784 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 40 [2021-01-20 18:02:35,738 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 63 [2021-01-20 18:02:36,591 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 66 [2021-01-20 18:02:37,242 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2021-01-20 18:02:38,240 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 68 [2021-01-20 18:02:38,928 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 47 [2021-01-20 18:02:40,931 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 116 DAG size of output: 85 [2021-01-20 18:02:41,648 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 49 [2021-01-20 18:02:43,553 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 108 DAG size of output: 83 [2021-01-20 18:02:45,459 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2021-01-20 18:02:48,162 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 97 DAG size of output: 71 [2021-01-20 18:02:50,111 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-20 18:02:51,756 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-01-20 18:02:52,281 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2021-01-20 18:02:53,071 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 36 [2021-01-20 18:02:53,728 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2021-01-20 18:02:56,298 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2021-01-20 18:02:58,468 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-01-20 18:02:59,903 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2021-01-20 18:03:00,839 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2021-01-20 18:03:01,224 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-01-20 18:03:02,178 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-01-20 18:03:03,170 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 51 [2021-01-20 18:03:03,579 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2021-01-20 18:03:04,716 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2021-01-20 18:03:05,303 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2021-01-20 18:03:05,898 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-20 18:03:07,639 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 54 [2021-01-20 18:03:08,865 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 61 [2021-01-20 18:03:09,449 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-01-20 18:03:09,849 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2021-01-20 18:03:10,445 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2021-01-20 18:03:10,856 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-01-20 18:03:14,348 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 18:03:14,817 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-01-20 18:03:15,425 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 18:03:15,693 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-01-20 18:03:16,300 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-01-20 18:03:16,923 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 18:03:17,700 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 18:03:18,222 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 18:03:18,547 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-01-20 18:03:19,242 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 18:03:19,759 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 18:03:20,336 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-01-20 18:03:20,862 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-01-20 18:03:21,232 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 18:03:21,763 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 18:03:22,250 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 18:03:22,592 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-01-20 18:03:23,190 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 18:03:23,522 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-01-20 18:03:24,005 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-01-20 18:03:24,676 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-20 18:03:26,106 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 18:03:26,861 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-01-20 18:03:27,432 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 18:03:27,889 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-20 18:03:28,683 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 18:03:29,262 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 18:03:30,153 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-01-20 18:03:30,787 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-01-20 18:03:31,605 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-01-20 18:03:33,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 18:03:33,282 INFO L93 Difference]: Finished difference Result 48047 states and 119595 transitions. [2021-01-20 18:03:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-01-20 18:03:33,287 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 47 states have (on average 3.851063829787234) internal successors, (181), 47 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2021-01-20 18:03:33,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 18:03:33,289 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 9 SyntacticMatches, 12 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5025 ImplicationChecksByTransitivity, 57.4s TimeCoverageRelationStatistics Valid=1565, Invalid=15727, Unknown=0, NotChecked=0, Total=17292 [2021-01-20 18:03:33,289 INFO L78 Accepts]: Start accepts. Automaton has 48047 states and 119595 transitions. Word has length 181 [2021-01-20 18:03:33,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 18:03:33,289 INFO L481 AbstractCegarLoop]: Abstraction has 48047 states and 119595 transitions. [2021-01-20 18:03:33,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 3.851063829787234) internal successors, (181), 47 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:03:33,290 INFO L276 IsEmpty]: Start isEmpty. Operand 48047 states and 119595 transitions. [2021-01-20 18:03:33,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 18:03:33,318 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 18:03:33,318 INFO L504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 18:03:33,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-20 18:03:33,319 INFO L429 AbstractCegarLoop]: === Iteration 27 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 18:03:33,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 18:03:33,319 INFO L82 PathProgramCache]: Analyzing trace with hash -759852689, now seen corresponding path program 11 times [2021-01-20 18:03:33,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 18:03:33,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500260053] [2021-01-20 18:03:33,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 18:03:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:03:34,162 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2021-01-20 18:03:34,329 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 22 [2021-01-20 18:03:34,507 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2021-01-20 18:03:35,155 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-01-20 18:03:35,843 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 18:03:36,793 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2021-01-20 18:03:37,738 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55 [2021-01-20 18:03:38,572 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2021-01-20 18:03:39,443 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 18:03:40,788 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 18:03:41,553 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 18:03:43,164 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-01-20 18:03:43,593 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 18:03:44,025 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 18:03:44,623 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2021-01-20 18:03:45,134 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2021-01-20 18:03:45,801 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2021-01-20 18:03:46,324 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2021-01-20 18:03:46,862 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2021-01-20 18:03:47,318 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2021-01-20 18:03:47,788 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-01-20 18:03:48,207 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2021-01-20 18:03:48,687 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2021-01-20 18:03:49,186 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2021-01-20 18:03:49,614 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-01-20 18:03:50,025 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2021-01-20 18:03:50,630 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2021-01-20 18:03:51,179 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2021-01-20 18:03:51,903 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2021-01-20 18:03:52,659 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 43 [2021-01-20 18:03:53,629 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-01-20 18:03:54,476 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2021-01-20 18:03:54,891 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 18:03:55,264 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 18:03:55,635 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2021-01-20 18:03:56,082 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2021-01-20 18:03:56,528 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 18:03:56,982 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 18:03:57,386 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2021-01-20 18:03:57,849 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2021-01-20 18:03:59,000 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2021-01-20 18:03:59,465 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 13 [2021-01-20 18:03:59,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 18:03:59,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500260053] [2021-01-20 18:03:59,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 18:03:59,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 18:03:59,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700261961] [2021-01-20 18:03:59,723 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 18:03:59,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 18:03:59,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 18:03:59,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=2363, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 18:03:59,724 INFO L87 Difference]: Start difference. First operand 48047 states and 119595 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:04:02,635 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2021-01-20 18:04:03,004 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2021-01-20 18:04:04,035 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 37 [2021-01-20 18:04:04,767 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 51 [2021-01-20 18:04:05,451 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 53 [2021-01-20 18:04:06,075 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 57 [2021-01-20 18:04:07,824 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 60 [2021-01-20 18:04:08,301 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 40 [2021-01-20 18:04:09,453 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 64 [2021-01-20 18:04:10,440 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 67 [2021-01-20 18:04:11,227 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 44 [2021-01-20 18:04:12,385 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 69 [2021-01-20 18:04:13,083 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 47 [2021-01-20 18:04:15,461 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 118 DAG size of output: 86 [2021-01-20 18:04:16,287 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 49 [2021-01-20 18:04:18,574 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 110 DAG size of output: 84 [2021-01-20 18:04:20,519 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 106 DAG size of output: 73 [2021-01-20 18:04:23,486 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 98 DAG size of output: 71 [2021-01-20 18:04:26,425 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-20 18:04:28,606 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-01-20 18:04:29,261 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2021-01-20 18:04:30,254 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2021-01-20 18:04:31,064 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-01-20 18:04:32,628 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2021-01-20 18:04:33,145 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2021-01-20 18:04:33,830 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2021-01-20 18:04:34,584 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-01-20 18:04:35,075 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-01-20 18:04:35,635 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-01-20 18:04:36,553 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2021-01-20 18:04:38,487 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2021-01-20 18:04:40,018 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 61 [2021-01-20 18:04:41,034 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2021-01-20 18:04:42,619 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 72 [2021-01-20 18:04:43,971 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2021-01-20 18:04:45,105 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2021-01-20 18:04:46,904 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2021-01-20 18:04:48,518 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-20 18:04:50,049 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-01-20 18:04:51,532 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 68 [2021-01-20 18:04:52,886 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 76 [2021-01-20 18:04:53,406 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-01-20 18:04:54,101 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 18:04:55,218 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2021-01-20 18:04:55,816 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-01-20 18:05:00,365 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 18:05:00,983 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-01-20 18:05:01,709 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 18:05:02,024 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-01-20 18:05:02,858 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-01-20 18:05:03,605 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 18:05:04,524 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 18:05:05,223 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 18:05:05,601 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-01-20 18:05:06,436 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 18:05:07,116 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 18:05:07,745 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-01-20 18:05:08,431 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-01-20 18:05:08,838 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 18:05:09,429 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 18:05:09,990 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 18:05:10,362 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-01-20 18:05:11,114 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 18:05:11,472 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-01-20 18:05:12,016 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-01-20 18:05:12,771 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-20 18:05:14,891 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 18:05:15,808 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-01-20 18:05:16,637 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 18:05:17,236 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-20 18:05:18,300 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 18:05:18,937 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 18:05:19,944 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-01-20 18:05:20,796 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-01-20 18:05:21,980 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-01-20 18:05:24,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 18:05:24,622 INFO L93 Difference]: Finished difference Result 51731 states and 128624 transitions. [2021-01-20 18:05:24,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-01-20 18:05:24,628 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2021-01-20 18:05:24,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 18:05:24,630 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 12 SyntacticMatches, 7 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5151 ImplicationChecksByTransitivity, 71.4s TimeCoverageRelationStatistics Valid=1720, Invalid=16640, Unknown=0, NotChecked=0, Total=18360 [2021-01-20 18:05:24,630 INFO L78 Accepts]: Start accepts. Automaton has 51731 states and 128624 transitions. Word has length 181 [2021-01-20 18:05:24,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 18:05:24,631 INFO L481 AbstractCegarLoop]: Abstraction has 51731 states and 128624 transitions. [2021-01-20 18:05:24,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:05:24,631 INFO L276 IsEmpty]: Start isEmpty. Operand 51731 states and 128624 transitions. [2021-01-20 18:05:24,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 18:05:24,665 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 18:05:24,665 INFO L504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 18:05:24,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-20 18:05:24,666 INFO L429 AbstractCegarLoop]: === Iteration 28 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 18:05:24,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 18:05:24,666 INFO L82 PathProgramCache]: Analyzing trace with hash -424044293, now seen corresponding path program 12 times [2021-01-20 18:05:24,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 18:05:24,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905654461] [2021-01-20 18:05:24,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 18:05:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:05:25,736 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2021-01-20 18:05:25,935 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 22 [2021-01-20 18:05:26,128 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2021-01-20 18:05:26,832 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-01-20 18:05:27,564 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 18:05:28,513 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2021-01-20 18:05:29,569 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55 [2021-01-20 18:05:30,447 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2021-01-20 18:05:31,384 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 18:05:32,827 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 18:05:33,621 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 18:05:35,447 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-01-20 18:05:35,907 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 18:05:36,377 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 18:05:37,012 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2021-01-20 18:05:37,554 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2021-01-20 18:05:38,255 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2021-01-20 18:05:38,810 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 18:05:39,380 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2021-01-20 18:05:39,855 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2021-01-20 18:05:40,386 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-01-20 18:05:40,831 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2021-01-20 18:05:41,359 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2021-01-20 18:05:41,902 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2021-01-20 18:05:42,380 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-01-20 18:05:42,827 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2021-01-20 18:05:43,464 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2021-01-20 18:05:44,041 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2021-01-20 18:05:44,820 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2021-01-20 18:05:45,654 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 43 [2021-01-20 18:05:46,539 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-01-20 18:05:47,512 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2021-01-20 18:05:47,964 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 18:05:48,386 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 18:05:48,800 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2021-01-20 18:05:49,309 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2021-01-20 18:05:49,793 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 18:05:50,287 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 18:05:50,731 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2021-01-20 18:05:51,246 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2021-01-20 18:05:52,560 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2021-01-20 18:05:53,093 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 13 [2021-01-20 18:05:53,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 18:05:53,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905654461] [2021-01-20 18:05:53,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 18:05:53,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 18:05:53,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980822885] [2021-01-20 18:05:53,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 18:05:53,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 18:05:53,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 18:05:53,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=2363, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 18:05:53,352 INFO L87 Difference]: Start difference. First operand 51731 states and 128624 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:05:56,561 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2021-01-20 18:05:56,935 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2021-01-20 18:05:57,912 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 37 [2021-01-20 18:05:58,575 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 51 [2021-01-20 18:05:59,247 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 53 [2021-01-20 18:05:59,898 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 57 [2021-01-20 18:06:01,549 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 60 [2021-01-20 18:06:02,035 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 40 [2021-01-20 18:06:03,099 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 64 [2021-01-20 18:06:04,067 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 67 Received shutdown request... [2021-01-20 18:06:04,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-01-20 18:06:04,204 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-01-20 18:06:04,204 WARN L546 AbstractCegarLoop]: Verification canceled [2021-01-20 18:06:04,211 WARN L250 ceAbstractionStarter]: Timeout [2021-01-20 18:06:04,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.01 06:06:04 BasicIcfg [2021-01-20 18:06:04,211 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-20 18:06:04,212 INFO L168 Benchmark]: Toolchain (without parser) took 815474.88 ms. Allocated memory was 302.0 MB in the beginning and 3.3 GB in the end (delta: 3.0 GB). Free memory was 276.6 MB in the beginning and 2.1 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.0 GB. [2021-01-20 18:06:04,212 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-20 18:06:04,213 INFO L168 Benchmark]: CACSL2BoogieTranslator took 943.88 ms. Allocated memory is still 302.0 MB. Free memory was 276.3 MB in the beginning and 257.0 MB in the end (delta: 19.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.0 GB. [2021-01-20 18:06:04,213 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.03 ms. Allocated memory is still 302.0 MB. Free memory was 257.0 MB in the beginning and 253.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-20 18:06:04,213 INFO L168 Benchmark]: Boogie Preprocessor took 44.40 ms. Allocated memory is still 302.0 MB. Free memory was 253.9 MB in the beginning and 251.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-20 18:06:04,213 INFO L168 Benchmark]: RCFGBuilder took 890.31 ms. Allocated memory is still 302.0 MB. Free memory was 251.8 MB in the beginning and 203.6 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. [2021-01-20 18:06:04,213 INFO L168 Benchmark]: TraceAbstraction took 813465.39 ms. Allocated memory was 302.0 MB in the beginning and 3.3 GB in the end (delta: 3.0 GB). Free memory was 202.5 MB in the beginning and 2.1 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.0 GB. [2021-01-20 18:06:04,214 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 943.88 ms. Allocated memory is still 302.0 MB. Free memory was 276.3 MB in the beginning and 257.0 MB in the end (delta: 19.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 114.03 ms. Allocated memory is still 302.0 MB. Free memory was 257.0 MB in the beginning and 253.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 44.40 ms. Allocated memory is still 302.0 MB. Free memory was 253.9 MB in the beginning and 251.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 890.31 ms. Allocated memory is still 302.0 MB. Free memory was 251.8 MB in the beginning and 203.6 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 813465.39 ms. Allocated memory was 302.0 MB in the beginning and 3.3 GB in the end (delta: 3.0 GB). Free memory was 202.5 MB in the beginning and 2.1 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 21). Cancelled while BasicCegarLoop was constructing difference of abstraction (51731states) and FLOYD_HOARE automaton (currently 17 states, 51 states before enhancement),while ReachableStatesComputation was computing reachable states (269 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 21). Cancelled while BasicCegarLoop was constructing difference of abstraction (51731states) and FLOYD_HOARE automaton (currently 17 states, 51 states before enhancement),while ReachableStatesComputation was computing reachable states (269 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 21). Cancelled while BasicCegarLoop was constructing difference of abstraction (51731states) and FLOYD_HOARE automaton (currently 17 states, 51 states before enhancement),while ReachableStatesComputation was computing reachable states (269 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 244 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 813.0s, OverallIterations: 28, TraceHistogramMax: 1, AutomataDifference: 595.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.3s, HoareTripleCheckerStatistics: 10739 SDtfs, 52878 SDslu, 176358 SDs, 0 SdLazy, 85604 SolverSat, 2903 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 143.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2297 GetRequests, 190 SyntacticMatches, 106 SemanticMatches, 2001 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61919 ImplicationChecksByTransitivity, 552.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51731occurred in iteration=27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 209.4s InterpolantComputationTime, 3928 NumberOfCodeBlocks, 3928 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 3900 ConstructedInterpolants, 0 QuantifiedInterpolants, 34056026 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 28 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown