/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread/stack_longer-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-bf4350c [2020-09-16 14:07:55,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-16 14:07:55,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-16 14:07:55,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-16 14:07:55,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-16 14:07:55,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-16 14:07:55,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-16 14:07:55,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-16 14:07:55,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-16 14:07:55,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-16 14:07:55,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-16 14:07:55,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-16 14:07:55,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-16 14:07:55,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-16 14:07:55,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-16 14:07:55,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-16 14:07:55,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-16 14:07:55,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-16 14:07:55,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-16 14:07:55,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-16 14:07:55,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-16 14:07:56,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-16 14:07:56,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-16 14:07:56,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-16 14:07:56,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-16 14:07:56,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-16 14:07:56,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-16 14:07:56,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-16 14:07:56,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-16 14:07:56,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-16 14:07:56,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-16 14:07:56,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-16 14:07:56,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-16 14:07:56,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-16 14:07:56,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-16 14:07:56,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-16 14:07:56,033 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-16 14:07:56,088 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-16 14:07:56,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-16 14:07:56,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-16 14:07:56,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-16 14:07:56,094 INFO L138 SettingsManager]: * Use SBE=true [2020-09-16 14:07:56,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-16 14:07:56,095 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-16 14:07:56,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-16 14:07:56,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-16 14:07:56,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-16 14:07:56,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-16 14:07:56,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-16 14:07:56,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-16 14:07:56,099 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-16 14:07:56,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-16 14:07:56,099 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-16 14:07:56,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-16 14:07:56,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-16 14:07:56,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-16 14:07:56,100 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-16 14:07:56,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-16 14:07:56,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-16 14:07:56,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-16 14:07:56,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-16 14:07:56,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-16 14:07:56,102 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-16 14:07:56,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-16 14:07:56,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-16 14:07:56,103 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-16 14:07:56,103 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-16 14:07:56,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-16 14:07:56,750 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-16 14:07:56,756 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-16 14:07:56,759 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-16 14:07:56,759 INFO L275 PluginConnector]: CDTParser initialized [2020-09-16 14:07:56,761 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longer-2.i [2020-09-16 14:07:56,861 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eff408c98/6b274f3d63a94af78475e0efb8fa45e8/FLAG081141d04 [2020-09-16 14:07:57,590 INFO L306 CDTParser]: Found 1 translation units. [2020-09-16 14:07:57,591 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-2.i [2020-09-16 14:07:57,618 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eff408c98/6b274f3d63a94af78475e0efb8fa45e8/FLAG081141d04 [2020-09-16 14:07:57,818 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eff408c98/6b274f3d63a94af78475e0efb8fa45e8 [2020-09-16 14:07:57,831 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-16 14:07:57,836 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-16 14:07:57,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-16 14:07:57,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-16 14:07:57,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-16 14:07:57,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 02:07:57" (1/1) ... [2020-09-16 14:07:57,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42532400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 02:07:57, skipping insertion in model container [2020-09-16 14:07:57,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 02:07:57" (1/1) ... [2020-09-16 14:07:57,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-16 14:07:57,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-16 14:07:58,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-16 14:07:58,579 INFO L203 MainTranslator]: Completed pre-run [2020-09-16 14:07:58,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-16 14:07:58,796 INFO L208 MainTranslator]: Completed translation [2020-09-16 14:07:58,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 02:07:58 WrapperNode [2020-09-16 14:07:58,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-16 14:07:58,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-16 14:07:58,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-16 14:07:58,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-16 14:07:58,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 02:07:58" (1/1) ... [2020-09-16 14:07:58,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 02:07:58" (1/1) ... [2020-09-16 14:07:58,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-16 14:07:58,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-16 14:07:58,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-16 14:07:58,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-16 14:07:58,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 02:07:58" (1/1) ... [2020-09-16 14:07:58,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 02:07:58" (1/1) ... [2020-09-16 14:07:58,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 02:07:58" (1/1) ... [2020-09-16 14:07:58,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 02:07:58" (1/1) ... [2020-09-16 14:07:58,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 02:07:58" (1/1) ... [2020-09-16 14:07:58,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 02:07:58" (1/1) ... [2020-09-16 14:07:58,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 02:07:58" (1/1) ... [2020-09-16 14:07:58,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-16 14:07:58,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-16 14:07:58,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-16 14:07:58,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-16 14:07:58,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 02:07:58" (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 [2020-09-16 14:07:59,052 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-09-16 14:07:59,053 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-09-16 14:07:59,053 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-09-16 14:07:59,053 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-09-16 14:07:59,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-16 14:07:59,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-16 14:07:59,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-16 14:07:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-16 14:07:59,056 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-09-16 14:07:59,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-16 14:07:59,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-16 14:07:59,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-16 14:07:59,060 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-16 14:07:59,677 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-16 14:07:59,677 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-09-16 14:07:59,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 02:07:59 BoogieIcfgContainer [2020-09-16 14:07:59,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-16 14:07:59,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-16 14:07:59,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-16 14:07:59,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-16 14:07:59,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 02:07:57" (1/3) ... [2020-09-16 14:07:59,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d44abe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 02:07:59, skipping insertion in model container [2020-09-16 14:07:59,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 02:07:58" (2/3) ... [2020-09-16 14:07:59,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d44abe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 02:07:59, skipping insertion in model container [2020-09-16 14:07:59,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 02:07:59" (3/3) ... [2020-09-16 14:07:59,696 INFO L109 eAbstractionObserver]: Analyzing ICFG stack_longer-2.i [2020-09-16 14:07:59,710 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-16 14:07:59,711 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-16 14:07:59,724 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-09-16 14:07:59,726 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-16 14:07:59,770 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,771 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,771 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,771 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,775 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,806 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,806 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,806 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,807 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,808 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,808 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,808 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,809 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,809 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,809 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,809 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,810 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,810 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,810 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,811 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,811 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,811 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,811 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,812 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,812 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,812 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,812 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,812 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,813 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,813 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,813 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,813 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,813 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,814 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,814 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,814 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,814 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,816 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,816 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,816 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,818 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,818 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,818 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,819 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,819 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,819 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,819 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,820 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,822 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,824 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,824 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,824 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,825 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,825 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,825 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,825 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,826 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,826 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,826 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,826 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,827 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,827 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,827 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,828 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,828 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,828 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,828 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,828 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,832 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,833 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,833 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,833 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,833 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,834 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,834 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,834 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,834 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,835 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,835 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,835 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,838 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,839 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,839 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,840 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,840 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,841 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,842 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,842 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,842 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,843 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,843 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,843 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,843 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,844 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,844 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,844 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,844 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,844 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,845 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,845 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,845 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,845 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,846 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,850 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,851 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,852 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,852 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,862 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,862 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,862 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,863 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,863 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,863 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,863 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,868 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,868 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,868 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,868 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,869 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,869 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,869 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,869 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,870 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,876 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,876 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,878 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,878 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,878 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,878 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,879 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,879 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,879 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,879 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,879 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,880 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,880 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,880 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,880 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,880 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,881 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,881 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,881 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,881 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,881 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,882 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,882 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,890 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,890 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,890 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,890 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,894 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,894 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,894 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,895 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,895 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,895 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,895 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,895 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,899 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,899 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,899 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,900 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,900 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,900 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:07:59,937 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-09-16 14:07:59,963 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-16 14:07:59,963 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-16 14:07:59,963 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-16 14:07:59,964 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-16 14:07:59,964 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-16 14:07:59,964 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-16 14:07:59,964 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-16 14:07:59,964 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-16 14:07:59,988 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 138 transitions, 298 flow [2020-09-16 14:07:59,991 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 133 places, 138 transitions, 298 flow [2020-09-16 14:08:00,101 INFO L129 PetriNetUnfolder]: 11/138 cut-off events. [2020-09-16 14:08:00,101 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-16 14:08:00,113 INFO L80 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 138 events. 11/138 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 342 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 106. Up to 3 conditions per place. [2020-09-16 14:08:00,126 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 133 places, 138 transitions, 298 flow [2020-09-16 14:08:00,167 INFO L129 PetriNetUnfolder]: 11/138 cut-off events. [2020-09-16 14:08:00,167 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-16 14:08:00,170 INFO L80 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 138 events. 11/138 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 342 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 106. Up to 3 conditions per place. [2020-09-16 14:08:00,175 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5744 [2020-09-16 14:08:00,177 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-16 14:08:02,185 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-09-16 14:08:03,719 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2020-09-16 14:08:03,954 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-09-16 14:08:04,106 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2020-09-16 14:08:04,431 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-09-16 14:08:04,662 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-09-16 14:08:04,676 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7699 [2020-09-16 14:08:04,676 INFO L214 etLargeBlockEncoding]: Total number of compositions: 118 [2020-09-16 14:08:04,681 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 40 transitions, 102 flow [2020-09-16 14:08:04,710 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 331 states. [2020-09-16 14:08:04,713 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states. [2020-09-16 14:08:04,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-09-16 14:08:04,723 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 14:08:04,724 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-09-16 14:08:04,725 INFO L427 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 14:08:04,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 14:08:04,734 INFO L82 PathProgramCache]: Analyzing trace with hash -290275557, now seen corresponding path program 1 times [2020-09-16 14:08:04,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 14:08:04,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143526623] [2020-09-16 14:08:04,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 14:08:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 14:08:05,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 14:08:05,079 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143526623] [2020-09-16 14:08:05,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 14:08:05,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-16 14:08:05,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373936323] [2020-09-16 14:08:05,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-16 14:08:05,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 14:08:05,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-16 14:08:05,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-16 14:08:05,111 INFO L87 Difference]: Start difference. First operand 331 states. Second operand 3 states. [2020-09-16 14:08:05,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 14:08:05,196 INFO L93 Difference]: Finished difference Result 504 states and 1247 transitions. [2020-09-16 14:08:05,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-16 14:08:05,198 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-09-16 14:08:05,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 14:08:05,225 INFO L225 Difference]: With dead ends: 504 [2020-09-16 14:08:05,225 INFO L226 Difference]: Without dead ends: 460 [2020-09-16 14:08:05,227 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-16 14:08:05,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2020-09-16 14:08:05,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 420. [2020-09-16 14:08:05,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-09-16 14:08:05,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 1095 transitions. [2020-09-16 14:08:05,334 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 1095 transitions. Word has length 6 [2020-09-16 14:08:05,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 14:08:05,337 INFO L479 AbstractCegarLoop]: Abstraction has 420 states and 1095 transitions. [2020-09-16 14:08:05,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-16 14:08:05,338 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 1095 transitions. [2020-09-16 14:08:05,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-16 14:08:05,339 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 14:08:05,339 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 14:08:05,340 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-16 14:08:05,342 INFO L427 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 14:08:05,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 14:08:05,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1518668221, now seen corresponding path program 1 times [2020-09-16 14:08:05,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 14:08:05,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854399042] [2020-09-16 14:08:05,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 14:08:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 14:08:05,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 14:08:05,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854399042] [2020-09-16 14:08:05,463 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 14:08:05,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-16 14:08:05,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616531735] [2020-09-16 14:08:05,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-16 14:08:05,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 14:08:05,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-16 14:08:05,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-16 14:08:05,467 INFO L87 Difference]: Start difference. First operand 420 states and 1095 transitions. Second operand 3 states. [2020-09-16 14:08:05,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 14:08:05,486 INFO L93 Difference]: Finished difference Result 464 states and 1205 transitions. [2020-09-16 14:08:05,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-16 14:08:05,486 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-09-16 14:08:05,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 14:08:05,491 INFO L225 Difference]: With dead ends: 464 [2020-09-16 14:08:05,492 INFO L226 Difference]: Without dead ends: 464 [2020-09-16 14:08:05,493 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-16 14:08:05,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-09-16 14:08:05,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2020-09-16 14:08:05,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2020-09-16 14:08:05,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 1205 transitions. [2020-09-16 14:08:05,529 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 1205 transitions. Word has length 10 [2020-09-16 14:08:05,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 14:08:05,529 INFO L479 AbstractCegarLoop]: Abstraction has 464 states and 1205 transitions. [2020-09-16 14:08:05,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-16 14:08:05,530 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1205 transitions. [2020-09-16 14:08:05,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-09-16 14:08:05,531 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 14:08:05,532 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 14:08:05,532 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-16 14:08:05,532 INFO L427 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 14:08:05,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 14:08:05,533 INFO L82 PathProgramCache]: Analyzing trace with hash 542344755, now seen corresponding path program 1 times [2020-09-16 14:08:05,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 14:08:05,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553163609] [2020-09-16 14:08:05,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 14:08:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 14:08:05,721 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 14:08:05,721 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553163609] [2020-09-16 14:08:05,721 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003463837] [2020-09-16 14:08:05,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 14:08:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 14:08:05,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-16 14:08:05,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 14:08:05,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 14:08:05,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 14:08:05,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-09-16 14:08:05,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300618848] [2020-09-16 14:08:05,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-16 14:08:05,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 14:08:05,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-16 14:08:05,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-16 14:08:05,870 INFO L87 Difference]: Start difference. First operand 464 states and 1205 transitions. Second operand 7 states. [2020-09-16 14:08:05,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 14:08:05,984 INFO L93 Difference]: Finished difference Result 866 states and 2152 transitions. [2020-09-16 14:08:05,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-16 14:08:05,985 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2020-09-16 14:08:05,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 14:08:05,992 INFO L225 Difference]: With dead ends: 866 [2020-09-16 14:08:05,992 INFO L226 Difference]: Without dead ends: 851 [2020-09-16 14:08:05,993 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-09-16 14:08:05,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2020-09-16 14:08:06,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 575. [2020-09-16 14:08:06,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2020-09-16 14:08:06,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 1484 transitions. [2020-09-16 14:08:06,026 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 1484 transitions. Word has length 13 [2020-09-16 14:08:06,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 14:08:06,027 INFO L479 AbstractCegarLoop]: Abstraction has 575 states and 1484 transitions. [2020-09-16 14:08:06,027 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-16 14:08:06,027 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1484 transitions. [2020-09-16 14:08:06,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-09-16 14:08:06,030 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 14:08:06,030 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 14:08:06,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-09-16 14:08:06,238 INFO L427 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 14:08:06,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 14:08:06,239 INFO L82 PathProgramCache]: Analyzing trace with hash 843892794, now seen corresponding path program 1 times [2020-09-16 14:08:06,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 14:08:06,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213135781] [2020-09-16 14:08:06,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 14:08:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 14:08:06,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 14:08:06,316 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213135781] [2020-09-16 14:08:06,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 14:08:06,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-16 14:08:06,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533143739] [2020-09-16 14:08:06,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-16 14:08:06,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 14:08:06,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-16 14:08:06,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-16 14:08:06,318 INFO L87 Difference]: Start difference. First operand 575 states and 1484 transitions. Second operand 3 states. [2020-09-16 14:08:06,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 14:08:06,337 INFO L93 Difference]: Finished difference Result 304 states and 670 transitions. [2020-09-16 14:08:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-16 14:08:06,337 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-09-16 14:08:06,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 14:08:06,340 INFO L225 Difference]: With dead ends: 304 [2020-09-16 14:08:06,340 INFO L226 Difference]: Without dead ends: 304 [2020-09-16 14:08:06,340 INFO L675 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 [2020-09-16 14:08:06,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-09-16 14:08:06,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 294. [2020-09-16 14:08:06,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-09-16 14:08:06,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 643 transitions. [2020-09-16 14:08:06,349 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 643 transitions. Word has length 16 [2020-09-16 14:08:06,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 14:08:06,349 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 643 transitions. [2020-09-16 14:08:06,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-16 14:08:06,350 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 643 transitions. [2020-09-16 14:08:06,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-16 14:08:06,351 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 14:08:06,352 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 14:08:06,352 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-16 14:08:06,352 INFO L427 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 14:08:06,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 14:08:06,353 INFO L82 PathProgramCache]: Analyzing trace with hash -960478475, now seen corresponding path program 1 times [2020-09-16 14:08:06,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 14:08:06,353 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156543197] [2020-09-16 14:08:06,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 14:08:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 14:08:06,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 14:08:06,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156543197] [2020-09-16 14:08:06,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 14:08:06,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-16 14:08:06,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145024103] [2020-09-16 14:08:06,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-16 14:08:06,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 14:08:06,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-16 14:08:06,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-16 14:08:06,438 INFO L87 Difference]: Start difference. First operand 294 states and 643 transitions. Second operand 5 states. [2020-09-16 14:08:06,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 14:08:06,519 INFO L93 Difference]: Finished difference Result 439 states and 949 transitions. [2020-09-16 14:08:06,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-16 14:08:06,519 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-09-16 14:08:06,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 14:08:06,523 INFO L225 Difference]: With dead ends: 439 [2020-09-16 14:08:06,524 INFO L226 Difference]: Without dead ends: 439 [2020-09-16 14:08:06,524 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-16 14:08:06,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-09-16 14:08:06,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 315. [2020-09-16 14:08:06,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2020-09-16 14:08:06,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 699 transitions. [2020-09-16 14:08:06,534 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 699 transitions. Word has length 17 [2020-09-16 14:08:06,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 14:08:06,536 INFO L479 AbstractCegarLoop]: Abstraction has 315 states and 699 transitions. [2020-09-16 14:08:06,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-16 14:08:06,537 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 699 transitions. [2020-09-16 14:08:06,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-09-16 14:08:06,538 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 14:08:06,538 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2020-09-16 14:08:06,539 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-16 14:08:06,539 INFO L427 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 14:08:06,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 14:08:06,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1582230501, now seen corresponding path program 2 times [2020-09-16 14:08:06,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 14:08:06,540 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627021085] [2020-09-16 14:08:06,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 14:08:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 14:08:06,689 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 14:08:06,689 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627021085] [2020-09-16 14:08:06,689 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691105302] [2020-09-16 14:08:06,690 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 14:08:06,783 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-09-16 14:08:06,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 14:08:06,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 6 conjunts are in the unsatisfiable core [2020-09-16 14:08:06,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 14:08:06,814 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 14:08:06,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 14:08:06,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-09-16 14:08:06,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814099001] [2020-09-16 14:08:06,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-16 14:08:06,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 14:08:06,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-16 14:08:06,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-09-16 14:08:06,816 INFO L87 Difference]: Start difference. First operand 315 states and 699 transitions. Second operand 9 states. [2020-09-16 14:08:06,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 14:08:06,912 INFO L93 Difference]: Finished difference Result 548 states and 1175 transitions. [2020-09-16 14:08:06,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-16 14:08:06,912 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2020-09-16 14:08:06,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 14:08:06,916 INFO L225 Difference]: With dead ends: 548 [2020-09-16 14:08:06,916 INFO L226 Difference]: Without dead ends: 548 [2020-09-16 14:08:06,917 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2020-09-16 14:08:06,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2020-09-16 14:08:06,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 392. [2020-09-16 14:08:06,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2020-09-16 14:08:06,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 868 transitions. [2020-09-16 14:08:06,931 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 868 transitions. Word has length 20 [2020-09-16 14:08:06,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 14:08:06,931 INFO L479 AbstractCegarLoop]: Abstraction has 392 states and 868 transitions. [2020-09-16 14:08:06,931 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-16 14:08:06,931 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 868 transitions. [2020-09-16 14:08:06,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-09-16 14:08:06,932 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 14:08:06,933 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 14:08:07,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 14:08:07,148 INFO L427 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 14:08:07,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 14:08:07,149 INFO L82 PathProgramCache]: Analyzing trace with hash 69417077, now seen corresponding path program 1 times [2020-09-16 14:08:07,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 14:08:07,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261897509] [2020-09-16 14:08:07,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 14:08:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 14:08:07,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 14:08:07,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261897509] [2020-09-16 14:08:07,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 14:08:07,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-16 14:08:07,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519537950] [2020-09-16 14:08:07,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-16 14:08:07,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 14:08:07,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-16 14:08:07,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-09-16 14:08:07,610 INFO L87 Difference]: Start difference. First operand 392 states and 868 transitions. Second operand 9 states. [2020-09-16 14:08:07,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 14:08:07,914 INFO L93 Difference]: Finished difference Result 611 states and 1312 transitions. [2020-09-16 14:08:07,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-16 14:08:07,914 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-09-16 14:08:07,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 14:08:07,918 INFO L225 Difference]: With dead ends: 611 [2020-09-16 14:08:07,918 INFO L226 Difference]: Without dead ends: 549 [2020-09-16 14:08:07,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-09-16 14:08:07,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-09-16 14:08:07,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 416. [2020-09-16 14:08:07,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2020-09-16 14:08:07,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 916 transitions. [2020-09-16 14:08:07,934 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 916 transitions. Word has length 21 [2020-09-16 14:08:07,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 14:08:07,935 INFO L479 AbstractCegarLoop]: Abstraction has 416 states and 916 transitions. [2020-09-16 14:08:07,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-16 14:08:07,935 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 916 transitions. [2020-09-16 14:08:07,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-09-16 14:08:07,936 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 14:08:07,936 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 14:08:07,936 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-16 14:08:07,937 INFO L427 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 14:08:07,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 14:08:07,937 INFO L82 PathProgramCache]: Analyzing trace with hash 2126692033, now seen corresponding path program 1 times [2020-09-16 14:08:07,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 14:08:07,939 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601767763] [2020-09-16 14:08:07,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 14:08:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 14:08:08,059 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 14:08:08,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601767763] [2020-09-16 14:08:08,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934743666] [2020-09-16 14:08:08,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 14:08:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 14:08:08,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 6 conjunts are in the unsatisfiable core [2020-09-16 14:08:08,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 14:08:08,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-16 14:08:08,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-16 14:08:08,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2020-09-16 14:08:08,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451543564] [2020-09-16 14:08:08,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-16 14:08:08,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 14:08:08,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-16 14:08:08,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-16 14:08:08,178 INFO L87 Difference]: Start difference. First operand 416 states and 916 transitions. Second operand 6 states. [2020-09-16 14:08:08,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 14:08:08,253 INFO L93 Difference]: Finished difference Result 576 states and 1229 transitions. [2020-09-16 14:08:08,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-16 14:08:08,254 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-09-16 14:08:08,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 14:08:08,257 INFO L225 Difference]: With dead ends: 576 [2020-09-16 14:08:08,257 INFO L226 Difference]: Without dead ends: 566 [2020-09-16 14:08:08,258 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-16 14:08:08,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2020-09-16 14:08:08,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 476. [2020-09-16 14:08:08,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2020-09-16 14:08:08,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 1040 transitions. [2020-09-16 14:08:08,271 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 1040 transitions. Word has length 24 [2020-09-16 14:08:08,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 14:08:08,272 INFO L479 AbstractCegarLoop]: Abstraction has 476 states and 1040 transitions. [2020-09-16 14:08:08,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-16 14:08:08,272 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 1040 transitions. [2020-09-16 14:08:08,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-16 14:08:08,273 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 14:08:08,273 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2020-09-16 14:08:08,486 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 14:08:08,487 INFO L427 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 14:08:08,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 14:08:08,487 INFO L82 PathProgramCache]: Analyzing trace with hash 2004586803, now seen corresponding path program 3 times [2020-09-16 14:08:08,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 14:08:08,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614980686] [2020-09-16 14:08:08,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 14:08:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 14:08:08,621 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 14:08:08,621 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614980686] [2020-09-16 14:08:08,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165855175] [2020-09-16 14:08:08,622 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 14:08:08,733 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-09-16 14:08:08,733 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 14:08:08,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 8 conjunts are in the unsatisfiable core [2020-09-16 14:08:08,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 14:08:08,771 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 14:08:08,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 14:08:08,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2020-09-16 14:08:08,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14756056] [2020-09-16 14:08:08,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-16 14:08:08,773 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 14:08:08,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-16 14:08:08,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-16 14:08:08,774 INFO L87 Difference]: Start difference. First operand 476 states and 1040 transitions. Second operand 11 states. [2020-09-16 14:08:08,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 14:08:08,916 INFO L93 Difference]: Finished difference Result 789 states and 1667 transitions. [2020-09-16 14:08:08,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-16 14:08:08,916 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 27 [2020-09-16 14:08:08,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 14:08:08,921 INFO L225 Difference]: With dead ends: 789 [2020-09-16 14:08:08,921 INFO L226 Difference]: Without dead ends: 789 [2020-09-16 14:08:08,922 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-09-16 14:08:08,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2020-09-16 14:08:08,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 553. [2020-09-16 14:08:08,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2020-09-16 14:08:08,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 1209 transitions. [2020-09-16 14:08:08,940 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 1209 transitions. Word has length 27 [2020-09-16 14:08:08,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 14:08:08,940 INFO L479 AbstractCegarLoop]: Abstraction has 553 states and 1209 transitions. [2020-09-16 14:08:08,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-16 14:08:08,941 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 1209 transitions. [2020-09-16 14:08:08,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-09-16 14:08:08,942 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 14:08:08,942 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 14:08:09,156 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 14:08:09,156 INFO L427 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 14:08:09,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 14:08:09,157 INFO L82 PathProgramCache]: Analyzing trace with hash -408396195, now seen corresponding path program 2 times [2020-09-16 14:08:09,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 14:08:09,158 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864808050] [2020-09-16 14:08:09,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 14:08:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 14:08:09,633 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-16 14:08:09,634 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864808050] [2020-09-16 14:08:09,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 14:08:09,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-16 14:08:09,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728750057] [2020-09-16 14:08:09,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-16 14:08:09,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 14:08:09,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-16 14:08:09,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-09-16 14:08:09,636 INFO L87 Difference]: Start difference. First operand 553 states and 1209 transitions. Second operand 15 states. [2020-09-16 14:08:11,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 14:08:11,564 INFO L93 Difference]: Finished difference Result 888 states and 1898 transitions. [2020-09-16 14:08:11,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-16 14:08:11,565 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 28 [2020-09-16 14:08:11,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 14:08:11,570 INFO L225 Difference]: With dead ends: 888 [2020-09-16 14:08:11,570 INFO L226 Difference]: Without dead ends: 848 [2020-09-16 14:08:11,571 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=256, Invalid=1076, Unknown=0, NotChecked=0, Total=1332 [2020-09-16 14:08:11,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2020-09-16 14:08:11,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 565. [2020-09-16 14:08:11,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2020-09-16 14:08:11,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 1245 transitions. [2020-09-16 14:08:11,589 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 1245 transitions. Word has length 28 [2020-09-16 14:08:11,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 14:08:11,590 INFO L479 AbstractCegarLoop]: Abstraction has 565 states and 1245 transitions. [2020-09-16 14:08:11,590 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-16 14:08:11,590 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 1245 transitions. [2020-09-16 14:08:11,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-09-16 14:08:11,592 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 14:08:11,592 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 14:08:11,592 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-16 14:08:11,592 INFO L427 AbstractCegarLoop]: === Iteration 11 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 14:08:11,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 14:08:11,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1113124825, now seen corresponding path program 2 times [2020-09-16 14:08:11,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 14:08:11,593 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181116827] [2020-09-16 14:08:11,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 14:08:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 14:08:11,716 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-16 14:08:11,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181116827] [2020-09-16 14:08:11,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815460536] [2020-09-16 14:08:11,717 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 14:08:11,813 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-09-16 14:08:11,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 14:08:11,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjunts are in the unsatisfiable core [2020-09-16 14:08:11,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 14:08:11,862 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-16 14:08:11,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 14:08:11,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-09-16 14:08:11,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123594807] [2020-09-16 14:08:11,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-16 14:08:11,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 14:08:11,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-16 14:08:11,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-16 14:08:11,865 INFO L87 Difference]: Start difference. First operand 565 states and 1245 transitions. Second operand 10 states. [2020-09-16 14:08:12,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 14:08:12,002 INFO L93 Difference]: Finished difference Result 865 states and 1835 transitions. [2020-09-16 14:08:12,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-16 14:08:12,002 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 31 [2020-09-16 14:08:12,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 14:08:12,008 INFO L225 Difference]: With dead ends: 865 [2020-09-16 14:08:12,008 INFO L226 Difference]: Without dead ends: 865 [2020-09-16 14:08:12,009 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-09-16 14:08:12,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2020-09-16 14:08:12,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 609. [2020-09-16 14:08:12,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2020-09-16 14:08:12,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 1369 transitions. [2020-09-16 14:08:12,028 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 1369 transitions. Word has length 31 [2020-09-16 14:08:12,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 14:08:12,028 INFO L479 AbstractCegarLoop]: Abstraction has 609 states and 1369 transitions. [2020-09-16 14:08:12,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-16 14:08:12,028 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 1369 transitions. [2020-09-16 14:08:12,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-09-16 14:08:12,030 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 14:08:12,030 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2020-09-16 14:08:12,243 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-09-16 14:08:12,243 INFO L427 AbstractCegarLoop]: === Iteration 12 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 14:08:12,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 14:08:12,244 INFO L82 PathProgramCache]: Analyzing trace with hash 443984155, now seen corresponding path program 4 times [2020-09-16 14:08:12,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 14:08:12,244 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716342130] [2020-09-16 14:08:12,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 14:08:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 14:08:12,405 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 14:08:12,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716342130] [2020-09-16 14:08:12,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781153815] [2020-09-16 14:08:12,406 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 14:08:12,567 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-09-16 14:08:12,567 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 14:08:12,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 10 conjunts are in the unsatisfiable core [2020-09-16 14:08:12,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 14:08:12,606 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 14:08:12,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 14:08:12,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 12 [2020-09-16 14:08:12,607 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506284985] [2020-09-16 14:08:12,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-16 14:08:12,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 14:08:12,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-16 14:08:12,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-09-16 14:08:12,609 INFO L87 Difference]: Start difference. First operand 609 states and 1369 transitions. Second operand 13 states. [2020-09-16 14:08:12,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 14:08:12,770 INFO L93 Difference]: Finished difference Result 937 states and 2021 transitions. [2020-09-16 14:08:12,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-16 14:08:12,771 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 34 [2020-09-16 14:08:12,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 14:08:12,776 INFO L225 Difference]: With dead ends: 937 [2020-09-16 14:08:12,777 INFO L226 Difference]: Without dead ends: 937 [2020-09-16 14:08:12,777 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2020-09-16 14:08:12,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2020-09-16 14:08:12,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 686. [2020-09-16 14:08:12,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 686 states. [2020-09-16 14:08:12,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 1538 transitions. [2020-09-16 14:08:12,798 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 1538 transitions. Word has length 34 [2020-09-16 14:08:12,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 14:08:12,798 INFO L479 AbstractCegarLoop]: Abstraction has 686 states and 1538 transitions. [2020-09-16 14:08:12,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-16 14:08:12,798 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1538 transitions. [2020-09-16 14:08:12,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-09-16 14:08:12,800 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 14:08:12,800 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 14:08:13,014 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 14:08:13,015 INFO L427 AbstractCegarLoop]: === Iteration 13 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 14:08:13,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 14:08:13,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1975916590, now seen corresponding path program 1 times [2020-09-16 14:08:13,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 14:08:13,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574424117] [2020-09-16 14:08:13,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 14:08:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 14:08:13,177 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 22: A-local: [(t1Thread1of1ForFork0_push_~stack.offset_3 Int), (|t1Thread1of1ForFork0_push_#t~ret35_5| Int)], B-local: []. [2020-09-16 14:08:13,181 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 23: A-local: [(t1Thread1of1ForFork0_push_~stack.offset_3 Int), (|t1Thread1of1ForFork0_push_#t~ret35_5| Int)], B-local: []. [2020-09-16 14:08:13,187 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 24: A-local: [(t1Thread1of1ForFork0_push_~stack.offset_3 Int), (|t1Thread1of1ForFork0_push_#t~ret35_5| Int)], B-local: []. [2020-09-16 14:08:13,197 ERROR L253 erpolLogProxyWrapper]: Interpolant 25 not inductive [2020-09-16 14:08:13,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-16 14:08:13,239 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: generated interpolants did not pass sanity check at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:874) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-09-16 14:08:13,245 INFO L168 Benchmark]: Toolchain (without parser) took 15412.13 ms. Allocated memory was 146.8 MB in the beginning and 354.4 MB in the end (delta: 207.6 MB). Free memory was 99.7 MB in the beginning and 243.0 MB in the end (delta: -143.3 MB). Peak memory consumption was 64.3 MB. Max. memory is 7.1 GB. [2020-09-16 14:08:13,246 INFO L168 Benchmark]: CDTParser took 0.63 ms. Allocated memory is still 146.8 MB. Free memory was 120.2 MB in the beginning and 119.7 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-09-16 14:08:13,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 961.00 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 98.9 MB in the beginning and 135.1 MB in the end (delta: -36.2 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. [2020-09-16 14:08:13,247 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.25 ms. Allocated memory is still 204.5 MB. Free memory was 135.1 MB in the beginning and 132.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-09-16 14:08:13,248 INFO L168 Benchmark]: Boogie Preprocessor took 53.29 ms. Allocated memory is still 204.5 MB. Free memory was 132.2 MB in the beginning and 130.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-09-16 14:08:13,248 INFO L168 Benchmark]: RCFGBuilder took 718.68 ms. Allocated memory is still 204.5 MB. Free memory was 130.3 MB in the beginning and 97.7 MB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. [2020-09-16 14:08:13,249 INFO L168 Benchmark]: TraceAbstraction took 13557.34 ms. Allocated memory was 204.5 MB in the beginning and 354.4 MB in the end (delta: 149.9 MB). Free memory was 96.8 MB in the beginning and 243.0 MB in the end (delta: -146.3 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2020-09-16 14:08:13,252 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 ms. Allocated memory is still 146.8 MB. Free memory was 120.2 MB in the beginning and 119.7 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 961.00 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 98.9 MB in the beginning and 135.1 MB in the end (delta: -36.2 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 112.25 ms. Allocated memory is still 204.5 MB. Free memory was 135.1 MB in the beginning and 132.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.29 ms. Allocated memory is still 204.5 MB. Free memory was 132.2 MB in the beginning and 130.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 718.68 ms. Allocated memory is still 204.5 MB. Free memory was 130.3 MB in the beginning and 97.7 MB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13557.34 ms. Allocated memory was 204.5 MB in the beginning and 354.4 MB in the end (delta: 149.9 MB). Free memory was 96.8 MB in the beginning and 243.0 MB in the end (delta: -146.3 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.6s, 133 ProgramPointsBefore, 40 ProgramPointsAfterwards, 138 TransitionsBefore, 40 TransitionsAfterwards, 5744 CoEnabledTransitionPairs, 7 FixpointIterations, 26 TrivialSequentialCompositions, 75 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 17 ConcurrentYvCompositions, 5 ChoiceCompositions, 3051 VarBasedMoverChecksPositive, 49 VarBasedMoverChecksNegative, 4 SemBasedMoverChecksPositive, 62 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 0 MoverChecksTotal, 7699 CheckedPairsTotal, 118 TotalNumberOfCompositions - ExceptionOrErrorResult: SMTLIBException: generated interpolants did not pass sanity check de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: generated interpolants did not pass sanity check: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...