/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/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread/stack_longest-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-06 00:00:49,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 00:00:49,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 00:00:49,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 00:00:49,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 00:00:49,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 00:00:49,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 00:00:49,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 00:00:49,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 00:00:49,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 00:00:49,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 00:00:49,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 00:00:49,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 00:00:49,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 00:00:49,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 00:00:49,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 00:00:49,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 00:00:49,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 00:00:49,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 00:00:49,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 00:00:49,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 00:00:49,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 00:00:49,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 00:00:49,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 00:00:49,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-06 00:00:50,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 00:00:50,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 00:00:50,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 00:00:50,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 00:00:50,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 00:00:50,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 00:00:50,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 00:00:50,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 00:00:50,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 00:00:50,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 00:00:50,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 00:00:50,007 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-06 00:00:50,030 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 00:00:50,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 00:00:50,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 00:00:50,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 00:00:50,032 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 00:00:50,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 00:00:50,033 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 00:00:50,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 00:00:50,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 00:00:50,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 00:00:50,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 00:00:50,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 00:00:50,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 00:00:50,034 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 00:00:50,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 00:00:50,034 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 00:00:50,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 00:00:50,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 00:00:50,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 00:00:50,035 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 00:00:50,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 00:00:50,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 00:00:50,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 00:00:50,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-06 00:00:50,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 00:00:50,037 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 00:00:50,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 00:00:50,037 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-06 00:00:50,037 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-06 00:00:50,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 00:00:50,038 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-06 00:00:50,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 00:00:50,326 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 00:00:50,329 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 00:00:50,330 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-06 00:00:50,331 INFO L275 PluginConnector]: CDTParser initialized [2020-10-06 00:00:50,332 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longest-1.i [2020-10-06 00:00:50,401 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dc491a2a/697cd72a08454bc9aa1eb4bbb5a5f95b/FLAG9b34db49a [2020-10-06 00:00:50,968 INFO L306 CDTParser]: Found 1 translation units. [2020-10-06 00:00:50,970 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-1.i [2020-10-06 00:00:50,996 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dc491a2a/697cd72a08454bc9aa1eb4bbb5a5f95b/FLAG9b34db49a [2020-10-06 00:00:51,304 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dc491a2a/697cd72a08454bc9aa1eb4bbb5a5f95b [2020-10-06 00:00:51,314 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 00:00:51,316 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-06 00:00:51,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-06 00:00:51,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-06 00:00:51,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-06 00:00:51,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:00:51" (1/1) ... [2020-10-06 00:00:51,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b57f0cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:00:51, skipping insertion in model container [2020-10-06 00:00:51,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:00:51" (1/1) ... [2020-10-06 00:00:51,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-06 00:00:51,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-06 00:00:51,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:00:51,968 INFO L203 MainTranslator]: Completed pre-run [2020-10-06 00:00:52,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:00:52,256 INFO L208 MainTranslator]: Completed translation [2020-10-06 00:00:52,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:00:52 WrapperNode [2020-10-06 00:00:52,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-06 00:00:52,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 00:00:52,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 00:00:52,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 00:00:52,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:00:52" (1/1) ... [2020-10-06 00:00:52,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:00:52" (1/1) ... [2020-10-06 00:00:52,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 00:00:52,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 00:00:52,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 00:00:52,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 00:00:52,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:00:52" (1/1) ... [2020-10-06 00:00:52,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:00:52" (1/1) ... [2020-10-06 00:00:52,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:00:52" (1/1) ... [2020-10-06 00:00:52,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:00:52" (1/1) ... [2020-10-06 00:00:52,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:00:52" (1/1) ... [2020-10-06 00:00:52,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:00:52" (1/1) ... [2020-10-06 00:00:52,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:00:52" (1/1) ... [2020-10-06 00:00:52,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 00:00:52,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 00:00:52,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 00:00:52,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 00:00:52,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:00:52" (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 [2020-10-06 00:00:52,520 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-06 00:00:52,520 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-06 00:00:52,520 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-06 00:00:52,521 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-06 00:00:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-06 00:00:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-06 00:00:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-06 00:00:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-06 00:00:52,522 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-06 00:00:52,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-06 00:00:52,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 00:00:52,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 00:00:52,524 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 00:00:53,038 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 00:00:53,039 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-10-06 00:00:53,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:00:53 BoogieIcfgContainer [2020-10-06 00:00:53,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 00:00:53,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 00:00:53,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 00:00:53,047 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 00:00:53,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 12:00:51" (1/3) ... [2020-10-06 00:00:53,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3701538a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:00:53, skipping insertion in model container [2020-10-06 00:00:53,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:00:52" (2/3) ... [2020-10-06 00:00:53,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3701538a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:00:53, skipping insertion in model container [2020-10-06 00:00:53,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:00:53" (3/3) ... [2020-10-06 00:00:53,051 INFO L109 eAbstractionObserver]: Analyzing ICFG stack_longest-1.i [2020-10-06 00:00:53,063 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 00:00:53,063 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-06 00:00:53,071 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-06 00:00:53,072 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 00:00:53,141 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,141 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,141 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,142 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,142 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,142 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,142 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,142 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,143 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,143 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,143 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,143 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,143 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,143 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,144 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,144 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,144 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,144 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,144 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,144 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,144 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,145 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,145 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,145 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,145 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,145 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,145 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,146 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,146 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,146 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,146 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,146 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,146 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,147 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,147 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,147 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,147 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,148 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,148 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,148 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,148 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,148 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,149 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,149 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,149 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,149 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,150 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,150 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,150 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,150 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,151 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,151 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,151 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,151 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,151 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,152 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,152 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,152 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,152 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,153 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,153 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,153 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,153 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,153 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,154 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,154 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,154 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,154 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,155 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,156 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,156 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,156 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,156 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,156 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,157 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,157 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,157 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,157 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,158 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,158 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,158 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,158 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,159 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,159 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,159 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,159 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,159 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,160 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,160 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,160 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,160 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,160 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,160 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,161 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,161 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,161 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,161 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,162 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,162 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,162 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,163 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,163 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,163 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,163 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,163 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,164 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,164 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,164 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,164 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,165 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,165 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,165 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,165 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,165 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,166 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,166 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,166 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,166 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,167 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,167 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,167 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,167 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,167 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,168 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,168 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,168 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,168 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,168 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,169 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,169 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,169 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,169 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,170 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,174 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,174 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,174 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,174 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,175 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,175 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,175 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,175 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,175 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,176 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,176 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,176 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,176 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,176 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,177 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,177 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,177 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,177 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,177 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,178 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,178 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,178 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,178 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,184 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,184 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,184 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,185 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,185 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,185 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,185 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,185 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,186 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,186 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,186 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,186 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,186 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,187 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,187 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,187 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,187 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,187 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,188 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,209 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-06 00:00:53,231 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 00:00:53,231 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 00:00:53,231 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 00:00:53,231 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 00:00:53,232 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 00:00:53,232 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 00:00:53,232 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 00:00:53,232 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 00:00:53,249 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 145 transitions, 312 flow [2020-10-06 00:00:53,251 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 140 places, 145 transitions, 312 flow [2020-10-06 00:00:53,356 INFO L129 PetriNetUnfolder]: 11/145 cut-off events. [2020-10-06 00:00:53,357 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-06 00:00:53,369 INFO L80 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 145 events. 11/145 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 385 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 113. Up to 3 conditions per place. [2020-10-06 00:00:53,377 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 140 places, 145 transitions, 312 flow [2020-10-06 00:00:53,437 INFO L129 PetriNetUnfolder]: 11/145 cut-off events. [2020-10-06 00:00:53,437 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-06 00:00:53,443 INFO L80 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 145 events. 11/145 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 385 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 113. Up to 3 conditions per place. [2020-10-06 00:00:53,451 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 6532 [2020-10-06 00:00:53,452 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 00:00:55,839 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2020-10-06 00:00:56,385 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-06 00:00:56,568 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-06 00:00:56,583 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7651 [2020-10-06 00:00:56,583 INFO L214 etLargeBlockEncoding]: Total number of compositions: 122 [2020-10-06 00:00:56,588 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 41 transitions, 104 flow [2020-10-06 00:00:56,614 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 360 states. [2020-10-06 00:00:56,616 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states. [2020-10-06 00:00:56,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-06 00:00:56,623 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:00:56,624 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-06 00:00:56,624 INFO L427 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:00:56,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:00:56,631 INFO L82 PathProgramCache]: Analyzing trace with hash 475986746, now seen corresponding path program 1 times [2020-10-06 00:00:56,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:00:56,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763880696] [2020-10-06 00:00:56,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:00:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:00:56,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:00:56,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763880696] [2020-10-06 00:00:56,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:00:56,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 00:00:56,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [940540534] [2020-10-06 00:00:56,927 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:00:56,930 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:00:56,944 INFO L258 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-10-06 00:00:56,945 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:00:56,949 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:00:56,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:00:56,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:00:56,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:00:56,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:00:56,968 INFO L87 Difference]: Start difference. First operand 360 states. Second operand 3 states. [2020-10-06 00:00:57,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:00:57,034 INFO L93 Difference]: Finished difference Result 652 states and 1665 transitions. [2020-10-06 00:00:57,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:00:57,036 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-06 00:00:57,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:00:57,056 INFO L225 Difference]: With dead ends: 652 [2020-10-06 00:00:57,056 INFO L226 Difference]: Without dead ends: 630 [2020-10-06 00:00:57,058 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 [2020-10-06 00:00:57,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2020-10-06 00:00:57,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 462. [2020-10-06 00:00:57,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2020-10-06 00:00:57,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 1240 transitions. [2020-10-06 00:00:57,164 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 1240 transitions. Word has length 6 [2020-10-06 00:00:57,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:00:57,164 INFO L479 AbstractCegarLoop]: Abstraction has 462 states and 1240 transitions. [2020-10-06 00:00:57,164 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:00:57,164 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 1240 transitions. [2020-10-06 00:00:57,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-06 00:00:57,166 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:00:57,166 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:00:57,167 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-06 00:00:57,167 INFO L427 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:00:57,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:00:57,167 INFO L82 PathProgramCache]: Analyzing trace with hash 929097400, now seen corresponding path program 1 times [2020-10-06 00:00:57,169 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:00:57,169 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797284501] [2020-10-06 00:00:57,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:00:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:00:57,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:00:57,254 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797284501] [2020-10-06 00:00:57,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:00:57,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 00:00:57,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [732218249] [2020-10-06 00:00:57,255 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:00:57,256 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:00:57,257 INFO L258 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-06 00:00:57,257 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:00:57,258 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:00:57,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:00:57,260 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:00:57,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:00:57,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:00:57,264 INFO L87 Difference]: Start difference. First operand 462 states and 1240 transitions. Second operand 3 states. [2020-10-06 00:00:57,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:00:57,285 INFO L93 Difference]: Finished difference Result 561 states and 1452 transitions. [2020-10-06 00:00:57,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:00:57,286 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-06 00:00:57,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:00:57,290 INFO L225 Difference]: With dead ends: 561 [2020-10-06 00:00:57,290 INFO L226 Difference]: Without dead ends: 539 [2020-10-06 00:00:57,291 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 [2020-10-06 00:00:57,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2020-10-06 00:00:57,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 499. [2020-10-06 00:00:57,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2020-10-06 00:00:57,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 1332 transitions. [2020-10-06 00:00:57,319 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 1332 transitions. Word has length 9 [2020-10-06 00:00:57,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:00:57,320 INFO L479 AbstractCegarLoop]: Abstraction has 499 states and 1332 transitions. [2020-10-06 00:00:57,321 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:00:57,321 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 1332 transitions. [2020-10-06 00:00:57,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-06 00:00:57,322 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:00:57,322 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:00:57,322 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-06 00:00:57,323 INFO L427 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:00:57,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:00:57,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1857688102, now seen corresponding path program 1 times [2020-10-06 00:00:57,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:00:57,325 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521887609] [2020-10-06 00:00:57,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:00:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:00:57,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:00:57,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521887609] [2020-10-06 00:00:57,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:00:57,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 00:00:57,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1210398717] [2020-10-06 00:00:57,387 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:00:57,388 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:00:57,389 INFO L258 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-06 00:00:57,389 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:00:57,389 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:00:57,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:00:57,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:00:57,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:00:57,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:00:57,390 INFO L87 Difference]: Start difference. First operand 499 states and 1332 transitions. Second operand 3 states. [2020-10-06 00:00:57,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:00:57,420 INFO L93 Difference]: Finished difference Result 539 states and 1435 transitions. [2020-10-06 00:00:57,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:00:57,423 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-06 00:00:57,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:00:57,427 INFO L225 Difference]: With dead ends: 539 [2020-10-06 00:00:57,428 INFO L226 Difference]: Without dead ends: 539 [2020-10-06 00:00:57,428 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 [2020-10-06 00:00:57,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2020-10-06 00:00:57,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 539. [2020-10-06 00:00:57,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2020-10-06 00:00:57,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 1435 transitions. [2020-10-06 00:00:57,449 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 1435 transitions. Word has length 10 [2020-10-06 00:00:57,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:00:57,450 INFO L479 AbstractCegarLoop]: Abstraction has 539 states and 1435 transitions. [2020-10-06 00:00:57,450 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:00:57,450 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 1435 transitions. [2020-10-06 00:00:57,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-06 00:00:57,452 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:00:57,452 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:00:57,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-06 00:00:57,452 INFO L427 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:00:57,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:00:57,453 INFO L82 PathProgramCache]: Analyzing trace with hash -2118228877, now seen corresponding path program 1 times [2020-10-06 00:00:57,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:00:57,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219745232] [2020-10-06 00:00:57,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:00:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:00:57,535 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:00:57,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219745232] [2020-10-06 00:00:57,536 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18259344] [2020-10-06 00:00:57,536 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 [2020-10-06 00:00:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:00:57,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-06 00:00:57,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-06 00:00:57,695 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:00:57,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-06 00:00:57,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-10-06 00:00:57,699 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1881577712] [2020-10-06 00:00:57,699 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:00:57,702 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:00:57,708 INFO L258 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-10-06 00:00:57,708 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:00:57,709 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:00:57,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 00:00:57,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:00:57,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 00:00:57,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-06 00:00:57,713 INFO L87 Difference]: Start difference. First operand 539 states and 1435 transitions. Second operand 5 states. [2020-10-06 00:00:57,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:00:57,821 INFO L93 Difference]: Finished difference Result 1015 states and 2609 transitions. [2020-10-06 00:00:57,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-06 00:00:57,821 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-06 00:00:57,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:00:57,829 INFO L225 Difference]: With dead ends: 1015 [2020-10-06 00:00:57,829 INFO L226 Difference]: Without dead ends: 1015 [2020-10-06 00:00:57,830 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-06 00:00:57,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2020-10-06 00:00:57,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 739. [2020-10-06 00:00:57,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2020-10-06 00:00:57,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1976 transitions. [2020-10-06 00:00:57,883 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1976 transitions. Word has length 14 [2020-10-06 00:00:57,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:00:57,884 INFO L479 AbstractCegarLoop]: Abstraction has 739 states and 1976 transitions. [2020-10-06 00:00:57,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 00:00:57,884 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1976 transitions. [2020-10-06 00:00:57,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-06 00:00:57,886 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:00:57,886 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:00:58,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 00:00:58,101 INFO L427 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:00:58,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:00:58,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1012308327, now seen corresponding path program 1 times [2020-10-06 00:00:58,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:00:58,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303321069] [2020-10-06 00:00:58,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:00:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:00:58,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:00:58,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303321069] [2020-10-06 00:00:58,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:00:58,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-06 00:00:58,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1860534447] [2020-10-06 00:00:58,168 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:00:58,171 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:00:58,177 INFO L258 McrAutomatonBuilder]: Finished intersection with 44 states and 69 transitions. [2020-10-06 00:00:58,177 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:00:58,313 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [8169#(= |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| 0), 8170#(or (= |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| 0) (not (= (select (select |#pthreadsMutex| |~#m~0.base|) |~#m~0.offset|) 0)))] [2020-10-06 00:00:58,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-06 00:00:58,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:00:58,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-06 00:00:58,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-06 00:00:58,314 INFO L87 Difference]: Start difference. First operand 739 states and 1976 transitions. Second operand 6 states. [2020-10-06 00:00:58,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:00:58,360 INFO L93 Difference]: Finished difference Result 354 states and 799 transitions. [2020-10-06 00:00:58,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-06 00:00:58,360 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-06 00:00:58,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:00:58,363 INFO L225 Difference]: With dead ends: 354 [2020-10-06 00:00:58,363 INFO L226 Difference]: Without dead ends: 354 [2020-10-06 00:00:58,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-06 00:00:58,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-10-06 00:00:58,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 328. [2020-10-06 00:00:58,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2020-10-06 00:00:58,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 732 transitions. [2020-10-06 00:00:58,374 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 732 transitions. Word has length 17 [2020-10-06 00:00:58,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:00:58,374 INFO L479 AbstractCegarLoop]: Abstraction has 328 states and 732 transitions. [2020-10-06 00:00:58,374 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-06 00:00:58,374 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 732 transitions. [2020-10-06 00:00:58,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-06 00:00:58,376 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:00:58,376 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:00:58,376 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-06 00:00:58,377 INFO L427 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:00:58,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:00:58,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1241376286, now seen corresponding path program 1 times [2020-10-06 00:00:58,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:00:58,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835913716] [2020-10-06 00:00:58,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:00:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:00:58,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:00:58,453 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835913716] [2020-10-06 00:00:58,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:00:58,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-06 00:00:58,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1736697912] [2020-10-06 00:00:58,455 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:00:58,458 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:00:58,464 INFO L258 McrAutomatonBuilder]: Finished intersection with 41 states and 62 transitions. [2020-10-06 00:00:58,464 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:00:58,595 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [9189#(or (= ~top~0 800) (= ~top~0 0))] [2020-10-06 00:00:58,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-06 00:00:58,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:00:58,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-06 00:00:58,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-06 00:00:58,596 INFO L87 Difference]: Start difference. First operand 328 states and 732 transitions. Second operand 6 states. [2020-10-06 00:00:58,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:00:58,687 INFO L93 Difference]: Finished difference Result 543 states and 1185 transitions. [2020-10-06 00:00:58,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-06 00:00:58,688 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2020-10-06 00:00:58,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:00:58,691 INFO L225 Difference]: With dead ends: 543 [2020-10-06 00:00:58,691 INFO L226 Difference]: Without dead ends: 543 [2020-10-06 00:00:58,692 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-06 00:00:58,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2020-10-06 00:00:58,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 394. [2020-10-06 00:00:58,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-06 00:00:58,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 878 transitions. [2020-10-06 00:00:58,704 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 878 transitions. Word has length 18 [2020-10-06 00:00:58,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:00:58,704 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 878 transitions. [2020-10-06 00:00:58,704 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-06 00:00:58,704 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 878 transitions. [2020-10-06 00:00:58,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-06 00:00:58,706 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:00:58,706 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, 1] [2020-10-06 00:00:58,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-06 00:00:58,706 INFO L427 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:00:58,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:00:58,707 INFO L82 PathProgramCache]: Analyzing trace with hash 624388862, now seen corresponding path program 1 times [2020-10-06 00:00:58,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:00:58,708 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132713240] [2020-10-06 00:00:58,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:00:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:00:59,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:00:59,063 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132713240] [2020-10-06 00:00:59,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:00:59,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-06 00:00:59,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [988580620] [2020-10-06 00:00:59,064 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:00:59,068 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:00:59,074 INFO L258 McrAutomatonBuilder]: Finished intersection with 45 states and 66 transitions. [2020-10-06 00:00:59,074 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:00:59,085 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 2, 1] term [2020-10-06 00:00:59,085 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:00:59,136 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 2, 1] term [2020-10-06 00:00:59,137 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:00:59,168 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-10-06 00:00:59,168 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:00:59,169 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:00:59,249 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 2, 1] term [2020-10-06 00:00:59,249 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:00:59,278 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-10-06 00:00:59,278 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:00:59,282 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:00:59,306 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-10-06 00:00:59,307 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:00:59,307 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:00:59,324 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-10-06 00:00:59,346 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-10-06 00:00:59,354 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [10535#(or (= |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| 0) (and (<= (mod t1Thread1of1ForFork0_~tmp~0 4294967296) 799) (= (select |#memory_int| |~#arr~0.base|) ((as const (Array Int Int)) 0)))), 10536#(= (select |#memory_int| |~#arr~0.base|) ((as const (Array Int Int)) 0))] [2020-10-06 00:00:59,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-06 00:00:59,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:00:59,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-06 00:00:59,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-06 00:00:59,355 INFO L87 Difference]: Start difference. First operand 394 states and 878 transitions. Second operand 12 states. [2020-10-06 00:00:59,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:00:59,948 INFO L93 Difference]: Finished difference Result 731 states and 1611 transitions. [2020-10-06 00:00:59,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-06 00:00:59,949 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-10-06 00:00:59,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:00:59,953 INFO L225 Difference]: With dead ends: 731 [2020-10-06 00:00:59,953 INFO L226 Difference]: Without dead ends: 731 [2020-10-06 00:00:59,954 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2020-10-06 00:00:59,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2020-10-06 00:00:59,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 547. [2020-10-06 00:00:59,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2020-10-06 00:00:59,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 1259 transitions. [2020-10-06 00:00:59,970 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 1259 transitions. Word has length 22 [2020-10-06 00:00:59,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:00:59,970 INFO L479 AbstractCegarLoop]: Abstraction has 547 states and 1259 transitions. [2020-10-06 00:00:59,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-06 00:00:59,970 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 1259 transitions. [2020-10-06 00:00:59,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-06 00:00:59,971 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:00:59,971 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-06 00:00:59,972 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-06 00:00:59,972 INFO L427 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:00:59,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:00:59,972 INFO L82 PathProgramCache]: Analyzing trace with hash 752977068, now seen corresponding path program 2 times [2020-10-06 00:00:59,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:00:59,974 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838751485] [2020-10-06 00:00:59,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:00:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:01:00,041 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:01:00,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838751485] [2020-10-06 00:01:00,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426845557] [2020-10-06 00:01:00,042 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 [2020-10-06 00:01:00,123 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-06 00:01:00,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-06 00:01:00,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-06 00:01:00,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-06 00:01:00,159 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:01:00,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-06 00:01:00,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-10-06 00:01:00,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1606354373] [2020-10-06 00:01:00,160 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:01:00,163 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:01:00,167 INFO L258 McrAutomatonBuilder]: Finished intersection with 23 states and 22 transitions. [2020-10-06 00:01:00,167 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:01:00,167 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:01:00,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-06 00:01:00,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:01:00,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-06 00:01:00,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-06 00:01:00,169 INFO L87 Difference]: Start difference. First operand 547 states and 1259 transitions. Second operand 7 states. [2020-10-06 00:01:00,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:01:00,254 INFO L93 Difference]: Finished difference Result 889 states and 1989 transitions. [2020-10-06 00:01:00,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-06 00:01:00,254 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-10-06 00:01:00,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:01:00,259 INFO L225 Difference]: With dead ends: 889 [2020-10-06 00:01:00,260 INFO L226 Difference]: Without dead ends: 889 [2020-10-06 00:01:00,260 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-06 00:01:00,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2020-10-06 00:01:00,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 639. [2020-10-06 00:01:00,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2020-10-06 00:01:00,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 1463 transitions. [2020-10-06 00:01:00,278 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 1463 transitions. Word has length 22 [2020-10-06 00:01:00,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:01:00,278 INFO L479 AbstractCegarLoop]: Abstraction has 639 states and 1463 transitions. [2020-10-06 00:01:00,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-06 00:01:00,279 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1463 transitions. [2020-10-06 00:01:00,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-06 00:01:00,280 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:01:00,280 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, 1] [2020-10-06 00:01:00,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 00:01:00,496 INFO L427 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:01:00,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:01:00,496 INFO L82 PathProgramCache]: Analyzing trace with hash 434974922, now seen corresponding path program 2 times [2020-10-06 00:01:00,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:01:00,499 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138509052] [2020-10-06 00:01:00,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:01:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:01:00,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:01:00,814 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138509052] [2020-10-06 00:01:00,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:01:00,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-06 00:01:00,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1906939060] [2020-10-06 00:01:00,815 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:01:00,819 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:01:00,848 INFO L258 McrAutomatonBuilder]: Finished intersection with 35 states and 46 transitions. [2020-10-06 00:01:00,848 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:01:00,891 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:01:00,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-06 00:01:00,892 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:01:00,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-06 00:01:00,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-06 00:01:00,892 INFO L87 Difference]: Start difference. First operand 639 states and 1463 transitions. Second operand 10 states. [2020-10-06 00:01:01,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:01:01,372 INFO L93 Difference]: Finished difference Result 966 states and 2164 transitions. [2020-10-06 00:01:01,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-06 00:01:01,378 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2020-10-06 00:01:01,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:01:01,384 INFO L225 Difference]: With dead ends: 966 [2020-10-06 00:01:01,384 INFO L226 Difference]: Without dead ends: 966 [2020-10-06 00:01:01,384 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-06 00:01:01,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2020-10-06 00:01:01,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 625. [2020-10-06 00:01:01,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2020-10-06 00:01:01,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 1426 transitions. [2020-10-06 00:01:01,404 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 1426 transitions. Word has length 22 [2020-10-06 00:01:01,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:01:01,404 INFO L479 AbstractCegarLoop]: Abstraction has 625 states and 1426 transitions. [2020-10-06 00:01:01,404 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-06 00:01:01,404 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1426 transitions. [2020-10-06 00:01:01,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-06 00:01:01,405 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:01:01,406 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, 1] [2020-10-06 00:01:01,406 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-06 00:01:01,406 INFO L427 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:01:01,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:01:01,406 INFO L82 PathProgramCache]: Analyzing trace with hash -333091595, now seen corresponding path program 1 times [2020-10-06 00:01:01,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:01:01,414 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678635536] [2020-10-06 00:01:01,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:01:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:01:01,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:01:01,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678635536] [2020-10-06 00:01:01,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699072112] [2020-10-06 00:01:01,475 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 [2020-10-06 00:01:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:01:01,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-06 00:01:01,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-06 00:01:01,562 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-06 00:01:01,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-06 00:01:01,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2020-10-06 00:01:01,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1406951324] [2020-10-06 00:01:01,564 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:01:01,568 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:01:01,578 INFO L258 McrAutomatonBuilder]: Finished intersection with 48 states and 69 transitions. [2020-10-06 00:01:01,578 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:01:01,670 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [16931#(or (= ~top~0 800) (<= ~top~0 0))] [2020-10-06 00:01:01,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-06 00:01:01,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:01:01,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-06 00:01:01,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-06 00:01:01,672 INFO L87 Difference]: Start difference. First operand 625 states and 1426 transitions. Second operand 7 states. [2020-10-06 00:01:01,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:01:01,760 INFO L93 Difference]: Finished difference Result 869 states and 1934 transitions. [2020-10-06 00:01:01,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-06 00:01:01,761 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2020-10-06 00:01:01,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:01:01,766 INFO L225 Difference]: With dead ends: 869 [2020-10-06 00:01:01,766 INFO L226 Difference]: Without dead ends: 869 [2020-10-06 00:01:01,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-06 00:01:01,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2020-10-06 00:01:01,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 651. [2020-10-06 00:01:01,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2020-10-06 00:01:01,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 1497 transitions. [2020-10-06 00:01:01,782 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 1497 transitions. Word has length 25 [2020-10-06 00:01:01,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:01:01,783 INFO L479 AbstractCegarLoop]: Abstraction has 651 states and 1497 transitions. [2020-10-06 00:01:01,783 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-06 00:01:01,783 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1497 transitions. [2020-10-06 00:01:01,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-06 00:01:01,784 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:01:01,784 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:01:01,999 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-06 00:01:02,000 INFO L427 AbstractCegarLoop]: === Iteration 11 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:01:02,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:01:02,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1736562886, now seen corresponding path program 1 times [2020-10-06 00:01:02,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:01:02,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971718363] [2020-10-06 00:01:02,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:01:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 00:01:02,034 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 00:01:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 00:01:02,064 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 00:01:02,089 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-06 00:01:02,089 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-06 00:01:02,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-06 00:01:02,090 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-06 00:01:02,090 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-06 00:01:02,091 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-06 00:01:02,096 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [557] [557] L3-->L977-1: Formula: (and (= |t1Thread1of1ForFork0_push_#in~stack.offset_Out-2071749999| |~#arr~0.offset_In-2071749999|) (= |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_In-2071749999| t1Thread1of1ForFork0_assume_abort_if_not_~cond_Out-2071749999) (= |t1Thread1of1ForFork0_push_#in~stack.base_Out-2071749999| |~#arr~0.base_In-2071749999|) (not (= t1Thread1of1ForFork0_assume_abort_if_not_~cond_Out-2071749999 0)) (let ((.cse1 (mod t1Thread1of1ForFork0_~tmp~0_In-2071749999 4294967296))) (let ((.cse0 (<= .cse1 2147483647))) (or (and (not .cse0) (= (+ .cse1 (- 4294967296)) |t1Thread1of1ForFork0_push_#in~x_Out-2071749999|)) (and (= .cse1 |t1Thread1of1ForFork0_push_#in~x_Out-2071749999|) .cse0))))) InVars {~#arr~0.offset=|~#arr~0.offset_In-2071749999|, t1Thread1of1ForFork0_~tmp~0=t1Thread1of1ForFork0_~tmp~0_In-2071749999, t1Thread1of1ForFork0_assume_abort_if_not_#in~cond=|t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_In-2071749999|, ~#arr~0.base=|~#arr~0.base_In-2071749999|} OutVars{~#arr~0.offset=|~#arr~0.offset_In-2071749999|, t1Thread1of1ForFork0_push_#in~x=|t1Thread1of1ForFork0_push_#in~x_Out-2071749999|, t1Thread1of1ForFork0_assume_abort_if_not_~cond=t1Thread1of1ForFork0_assume_abort_if_not_~cond_Out-2071749999, t1Thread1of1ForFork0_push_#in~stack.base=|t1Thread1of1ForFork0_push_#in~stack.base_Out-2071749999|, t1Thread1of1ForFork0_~tmp~0=t1Thread1of1ForFork0_~tmp~0_In-2071749999, t1Thread1of1ForFork0_push_#res=|t1Thread1of1ForFork0_push_#res_Out-2071749999|, t1Thread1of1ForFork0_assume_abort_if_not_#in~cond=|t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_In-2071749999|, t1Thread1of1ForFork0_push_#in~stack.offset=|t1Thread1of1ForFork0_push_#in~stack.offset_Out-2071749999|, ~#arr~0.base=|~#arr~0.base_In-2071749999|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_#in~x, t1Thread1of1ForFork0_assume_abort_if_not_~cond, t1Thread1of1ForFork0_push_#in~stack.base, t1Thread1of1ForFork0_push_#res, t1Thread1of1ForFork0_push_#in~stack.offset] because there is no mapped edge [2020-10-06 00:01:02,100 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [558] [558] L977-2-->L980: Formula: (and (not (= (- 1) |t1Thread1of1ForFork0_#t~ret44_In-15690974|)) (<= |t1Thread1of1ForFork0_#t~ret44_In-15690974| 2147483647) (<= 0 (+ |t1Thread1of1ForFork0_#t~ret44_In-15690974| 2147483648)) (= ~flag~0_Out-15690974 1)) InVars {t1Thread1of1ForFork0_#t~ret44=|t1Thread1of1ForFork0_#t~ret44_In-15690974|} OutVars{t1Thread1of1ForFork0_#t~ret44=|t1Thread1of1ForFork0_#t~ret44_Out-15690974|, ~flag~0=~flag~0_Out-15690974} AuxVars[] AssignedVars[t1Thread1of1ForFork0_#t~ret44, ~flag~0] because there is no mapped edge [2020-10-06 00:01:02,105 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [569] [569] L992-4-->L987-6: Formula: (and (= (+ t2Thread1of1ForFork1_~i~1_Out718705706 (- 1)) t2Thread1of1ForFork1_~i~1_In718705706) (= |#pthreadsMutex_Out718705706| (store |#pthreadsMutex_In718705706| |~#m~0.base_In718705706| (store (select |#pthreadsMutex_In718705706| |~#m~0.base_In718705706|) |~#m~0.offset_In718705706| 0))) (not (= (- 2) |t2Thread1of1ForFork1_#t~ret47_In718705706|))) InVars {#pthreadsMutex=|#pthreadsMutex_In718705706|, ~#m~0.base=|~#m~0.base_In718705706|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_In718705706|, ~#m~0.offset=|~#m~0.offset_In718705706|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_In718705706} OutVars{#pthreadsMutex=|#pthreadsMutex_Out718705706|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_Out718705706|, ~#m~0.base=|~#m~0.base_In718705706|, ~#m~0.offset=|~#m~0.offset_In718705706|, t2Thread1of1ForFork1_#t~post45=|t2Thread1of1ForFork1_#t~post45_Out718705706|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_Out718705706} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret47, t2Thread1of1ForFork1_#t~post45, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2020-10-06 00:01:02,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 12:01:02 BasicIcfg [2020-10-06 00:01:02,152 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 00:01:02,154 INFO L168 Benchmark]: Toolchain (without parser) took 10838.27 ms. Allocated memory was 140.0 MB in the beginning and 325.1 MB in the end (delta: 185.1 MB). Free memory was 100.8 MB in the beginning and 102.7 MB in the end (delta: -1.9 MB). Peak memory consumption was 183.1 MB. Max. memory is 7.1 GB. [2020-10-06 00:01:02,160 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-06 00:01:02,161 INFO L168 Benchmark]: CACSL2BoogieTranslator took 939.70 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 100.8 MB in the beginning and 134.7 MB in the end (delta: -33.9 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. [2020-10-06 00:01:02,162 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.68 ms. Allocated memory is still 203.9 MB. Free memory was 134.7 MB in the beginning and 131.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-06 00:01:02,163 INFO L168 Benchmark]: Boogie Preprocessor took 71.47 ms. Allocated memory is still 203.9 MB. Free memory was 131.8 MB in the beginning and 129.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-06 00:01:02,166 INFO L168 Benchmark]: RCFGBuilder took 591.49 ms. Allocated memory is still 203.9 MB. Free memory was 129.9 MB in the beginning and 96.4 MB in the end (delta: 33.4 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2020-10-06 00:01:02,167 INFO L168 Benchmark]: TraceAbstraction took 9109.30 ms. Allocated memory was 203.9 MB in the beginning and 325.1 MB in the end (delta: 121.1 MB). Free memory was 95.5 MB in the beginning and 102.7 MB in the end (delta: -7.2 MB). Peak memory consumption was 113.9 MB. Max. memory is 7.1 GB. [2020-10-06 00:01:02,177 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 939.70 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 100.8 MB in the beginning and 134.7 MB in the end (delta: -33.9 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 119.68 ms. Allocated memory is still 203.9 MB. Free memory was 134.7 MB in the beginning and 131.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.47 ms. Allocated memory is still 203.9 MB. Free memory was 131.8 MB in the beginning and 129.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 591.49 ms. Allocated memory is still 203.9 MB. Free memory was 129.9 MB in the beginning and 96.4 MB in the end (delta: 33.4 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9109.30 ms. Allocated memory was 203.9 MB in the beginning and 325.1 MB in the end (delta: 121.1 MB). Free memory was 95.5 MB in the beginning and 102.7 MB in the end (delta: -7.2 MB). Peak memory consumption was 113.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.3s, 140 ProgramPointsBefore, 41 ProgramPointsAfterwards, 145 TransitionsBefore, 41 TransitionsAfterwards, 6532 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 77 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 19 ConcurrentYvCompositions, 5 ChoiceCompositions, 3568 VarBasedMoverChecksPositive, 44 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 7651 CheckedPairsTotal, 122 TotalNumberOfCompositions - CounterExampleResult [Line: 922]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L916] 0 static int top=0; [L917] 0 static unsigned int arr[(800)]; [L918] 0 pthread_mutex_t m; [L919] 0 _Bool flag=(0); [L1001] 0 pthread_t id1, id2; [L1003] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={9:0}, flag=0, m={3:0}, top=0] [L970] 1 int i; [L971] 1 unsigned int tmp; [L972] 1 i=0 VAL [arr={9:0}, flag=0, m={3:0}, top=0] [L972] COND TRUE 1 i<(800) [L975] 1 tmp = __VERIFIER_nondet_uint() [L942] COND FALSE 1 !(top==(800)) [L1004] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={9:0}, flag=0, m={3:0}, top=0] [L986] 2 int i; [L987] 2 i=0 VAL [arr={9:0}, flag=0, m={3:0}, top=0] [L934] 1 return top; [L949] 1 stack[get_top()] = x [L926] 1 top++ [L952] 1 return 0; [L972] 1 i++ VAL [arr={9:0}, flag=1, m={3:0}, top=1] [L987] COND TRUE 2 i<(800) [L990] COND TRUE 2 \read(flag) [L934] 2 return top; [L956] COND FALSE 2 !(get_top()==0) [L930] 2 top-- [L934] 2 return top; VAL [arr={9:0}, flag=1, m={3:0}, top=0] [L964] EXPR 2 stack[get_top()] [L964] 2 return stack[get_top()]; [L987] COND TRUE 2 i<(800) [L990] COND TRUE 2 \read(flag) [L934] 2 return top; [L956] COND TRUE 2 get_top()==0 [L959] 2 return (-2); [L992] COND TRUE 2 !(pop(arr)!=(-2)) [L922] 2 __VERIFIER_error() VAL [arr={9:0}, flag=1, m={3:0}, top=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 134 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.8s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.3s, HoareTripleCheckerStatistics: 490 SDtfs, 664 SDslu, 1315 SDs, 0 SdLazy, 709 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 225 GetRequests, 154 SyntacticMatches, 4 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=739occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 1652 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 213 ConstructedInterpolants, 0 QuantifiedInterpolants, 35176 SizeOfPredicates, 9 NumberOfNonLiveVariables, 517 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 13 InterpolantComputations, 8 PerfectInterpolantSequences, 10/40 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...