/usr/bin/java -Xmx16000000000 -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/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread/stack_longer-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 20:19:48,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 20:19:48,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 20:19:48,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 20:19:48,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 20:19:48,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 20:19:48,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 20:19:48,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 20:19:48,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 20:19:48,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 20:19:48,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 20:19:48,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 20:19:48,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 20:19:48,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 20:19:48,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 20:19:48,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 20:19:48,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 20:19:48,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 20:19:48,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 20:19:48,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 20:19:48,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 20:19:48,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 20:19:48,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 20:19:48,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 20:19:48,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 20:19:48,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 20:19:48,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 20:19:48,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 20:19:48,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 20:19:48,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 20:19:48,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 20:19:48,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 20:19:48,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 20:19:48,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 20:19:48,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 20:19:48,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 20:19:48,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 20:19:48,601 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 20:19:48,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 20:19:48,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 20:19:48,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 20:19:48,605 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf [2020-10-15 20:19:48,642 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 20:19:48,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 20:19:48,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 20:19:48,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 20:19:48,645 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 20:19:48,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 20:19:48,645 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 20:19:48,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 20:19:48,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 20:19:48,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 20:19:48,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 20:19:48,647 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 20:19:48,647 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 20:19:48,648 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 20:19:48,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 20:19:48,648 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 20:19:48,648 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 20:19:48,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 20:19:48,649 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 20:19:48,650 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 20:19:48,650 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 20:19:48,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 20:19:48,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 20:19:48,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 20:19:48,654 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 20:19:48,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 20:19:48,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 20:19:48,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 20:19:48,655 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 20:19:48,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 20:19:48,937 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 20:19:48,940 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 20:19:48,941 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 20:19:48,942 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 20:19:48,943 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longer-1.i [2020-10-15 20:19:49,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/964ac4781/14ebc3cc6a8a4000a9856e37694dcb2c/FLAGdc15e6c98 [2020-10-15 20:19:49,518 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 20:19:49,518 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-1.i [2020-10-15 20:19:49,539 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/964ac4781/14ebc3cc6a8a4000a9856e37694dcb2c/FLAGdc15e6c98 [2020-10-15 20:19:49,838 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/964ac4781/14ebc3cc6a8a4000a9856e37694dcb2c [2020-10-15 20:19:49,846 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 20:19:49,848 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 20:19:49,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 20:19:49,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 20:19:49,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 20:19:49,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:19:49" (1/1) ... [2020-10-15 20:19:49,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c17228a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:49, skipping insertion in model container [2020-10-15 20:19:49,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:19:49" (1/1) ... [2020-10-15 20:19:49,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 20:19:49,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 20:19:50,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 20:19:50,644 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 20:19:50,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 20:19:50,845 INFO L208 MainTranslator]: Completed translation [2020-10-15 20:19:50,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:50 WrapperNode [2020-10-15 20:19:50,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 20:19:50,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 20:19:50,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 20:19:50,847 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 20:19:50,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:50" (1/1) ... [2020-10-15 20:19:50,877 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:50" (1/1) ... [2020-10-15 20:19:50,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 20:19:50,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 20:19:50,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 20:19:50,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 20:19:50,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:50" (1/1) ... [2020-10-15 20:19:50,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:50" (1/1) ... [2020-10-15 20:19:50,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:50" (1/1) ... [2020-10-15 20:19:50,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:50" (1/1) ... [2020-10-15 20:19:50,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:50" (1/1) ... [2020-10-15 20:19:50,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:50" (1/1) ... [2020-10-15 20:19:50,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:50" (1/1) ... [2020-10-15 20:19:50,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 20:19:50,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 20:19:50,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 20:19:50,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 20:19:50,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:50" (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 [2020-10-15 20:19:51,022 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-15 20:19:51,023 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-15 20:19:51,023 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-15 20:19:51,023 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-15 20:19:51,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 20:19:51,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 20:19:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 20:19:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 20:19:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-15 20:19:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 20:19:51,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 20:19:51,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 20:19:51,027 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 20:19:51,510 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 20:19:51,511 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-10-15 20:19:51,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:19:51 BoogieIcfgContainer [2020-10-15 20:19:51,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 20:19:51,515 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 20:19:51,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 20:19:51,518 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 20:19:51,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:19:49" (1/3) ... [2020-10-15 20:19:51,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5da88590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:19:51, skipping insertion in model container [2020-10-15 20:19:51,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:50" (2/3) ... [2020-10-15 20:19:51,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5da88590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:19:51, skipping insertion in model container [2020-10-15 20:19:51,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:19:51" (3/3) ... [2020-10-15 20:19:51,522 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longer-1.i [2020-10-15 20:19:51,532 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 20:19:51,532 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 20:19:51,539 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-15 20:19:51,540 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 20:19:51,575 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,576 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,576 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,576 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,576 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,577 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,577 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,577 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,578 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,578 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,578 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,578 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,579 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,579 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,579 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,579 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,580 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,580 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,580 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,580 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,580 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,581 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,581 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,581 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,581 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,582 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,582 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,582 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,583 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,583 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,583 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,583 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,583 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,584 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,584 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,584 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,584 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,585 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,585 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,585 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,585 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,587 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,587 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,587 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,588 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,588 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,588 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,588 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,589 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,589 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,589 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,589 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,590 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,590 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,590 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,590 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,591 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,591 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,591 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,591 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,592 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,592 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,593 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,594 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,595 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,595 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,595 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,595 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,596 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,596 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,596 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,597 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,597 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,597 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,597 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,598 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,598 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,598 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,599 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,599 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,599 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,600 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,600 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,600 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,600 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,600 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,601 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,601 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,601 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,601 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,602 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,602 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,602 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,602 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,603 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,603 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,603 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,603 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,604 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,604 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,604 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,604 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,605 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,605 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,605 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,606 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,606 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,606 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,606 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,607 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,607 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,607 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,607 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,608 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,608 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,608 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,608 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,609 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,609 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,609 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,609 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,610 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,610 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,610 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,610 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,611 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,611 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,611 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,615 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,615 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,615 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,616 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,616 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,616 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,616 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,617 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,617 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,617 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,617 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,618 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,618 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,618 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,618 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,619 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,619 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,619 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,619 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,619 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,620 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,620 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,620 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,629 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,629 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,630 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,630 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,630 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,630 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,631 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,631 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,631 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,631 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,632 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,632 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,632 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,632 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,632 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,633 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,633 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,633 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,633 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:51,654 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-15 20:19:51,676 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 20:19:51,676 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 20:19:51,676 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 20:19:51,676 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 20:19:51,677 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 20:19:51,677 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 20:19:51,677 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 20:19:51,677 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 20:19:51,695 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 20:19:51,698 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 145 transitions, 312 flow [2020-10-15 20:19:51,700 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 140 places, 145 transitions, 312 flow [2020-10-15 20:19:51,703 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 140 places, 145 transitions, 312 flow [2020-10-15 20:19:51,781 INFO L129 PetriNetUnfolder]: 11/145 cut-off events. [2020-10-15 20:19:51,781 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-15 20:19:51,793 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 383 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. [2020-10-15 20:19:51,800 INFO L117 LiptonReduction]: Number of co-enabled transitions 6532 [2020-10-15 20:19:54,181 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-15 20:19:54,293 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-15 20:19:55,142 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2020-10-15 20:19:55,365 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 20:19:55,495 INFO L132 LiptonReduction]: Checked pairs total: 10850 [2020-10-15 20:19:55,496 INFO L134 LiptonReduction]: Total number of compositions: 133 [2020-10-15 20:19:55,503 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 41 transitions, 104 flow [2020-10-15 20:19:55,528 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 335 states. [2020-10-15 20:19:55,531 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2020-10-15 20:19:55,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-15 20:19:55,537 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:19:55,538 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-15 20:19:55,539 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:19:55,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:19:55,545 INFO L82 PathProgramCache]: Analyzing trace with hash 533120081, now seen corresponding path program 1 times [2020-10-15 20:19:55,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:19:55,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91114887] [2020-10-15 20:19:55,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:19:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:19:55,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:19:55,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91114887] [2020-10-15 20:19:55,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:19:55,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 20:19:55,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186369773] [2020-10-15 20:19:55,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:19:55,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:19:55,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:19:55,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:19:55,802 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 3 states. [2020-10-15 20:19:55,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:19:55,879 INFO L93 Difference]: Finished difference Result 529 states and 1334 transitions. [2020-10-15 20:19:55,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:19:55,881 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-15 20:19:55,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:19:55,902 INFO L225 Difference]: With dead ends: 529 [2020-10-15 20:19:55,903 INFO L226 Difference]: Without dead ends: 507 [2020-10-15 20:19:55,904 INFO L677 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 [2020-10-15 20:19:55,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2020-10-15 20:19:55,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 467. [2020-10-15 20:19:55,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2020-10-15 20:19:55,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 1235 transitions. [2020-10-15 20:19:55,992 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 1235 transitions. Word has length 6 [2020-10-15 20:19:55,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:19:55,993 INFO L481 AbstractCegarLoop]: Abstraction has 467 states and 1235 transitions. [2020-10-15 20:19:55,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:19:55,993 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 1235 transitions. [2020-10-15 20:19:55,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-15 20:19:55,994 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:19:55,995 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:19:55,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 20:19:55,995 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:19:55,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:19:55,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1246478015, now seen corresponding path program 1 times [2020-10-15 20:19:55,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:19:55,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661496041] [2020-10-15 20:19:55,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:19:56,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:19:56,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:19:56,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661496041] [2020-10-15 20:19:56,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:19:56,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 20:19:56,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656059493] [2020-10-15 20:19:56,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:19:56,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:19:56,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:19:56,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:19:56,097 INFO L87 Difference]: Start difference. First operand 467 states and 1235 transitions. Second operand 3 states. [2020-10-15 20:19:56,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:19:56,118 INFO L93 Difference]: Finished difference Result 574 states and 1482 transitions. [2020-10-15 20:19:56,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:19:56,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-15 20:19:56,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:19:56,124 INFO L225 Difference]: With dead ends: 574 [2020-10-15 20:19:56,124 INFO L226 Difference]: Without dead ends: 552 [2020-10-15 20:19:56,125 INFO L677 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 [2020-10-15 20:19:56,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2020-10-15 20:19:56,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 512. [2020-10-15 20:19:56,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2020-10-15 20:19:56,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 1362 transitions. [2020-10-15 20:19:56,157 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 1362 transitions. Word has length 8 [2020-10-15 20:19:56,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:19:56,158 INFO L481 AbstractCegarLoop]: Abstraction has 512 states and 1362 transitions. [2020-10-15 20:19:56,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:19:56,159 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 1362 transitions. [2020-10-15 20:19:56,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-15 20:19:56,160 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:19:56,160 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:19:56,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 20:19:56,160 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:19:56,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:19:56,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1698025066, now seen corresponding path program 1 times [2020-10-15 20:19:56,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:19:56,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163828834] [2020-10-15 20:19:56,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:19:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:19:56,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:19:56,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163828834] [2020-10-15 20:19:56,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:19:56,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 20:19:56,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335457284] [2020-10-15 20:19:56,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:19:56,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:19:56,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:19:56,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:19:56,215 INFO L87 Difference]: Start difference. First operand 512 states and 1362 transitions. Second operand 3 states. [2020-10-15 20:19:56,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:19:56,233 INFO L93 Difference]: Finished difference Result 544 states and 1443 transitions. [2020-10-15 20:19:56,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:19:56,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-15 20:19:56,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:19:56,237 INFO L225 Difference]: With dead ends: 544 [2020-10-15 20:19:56,238 INFO L226 Difference]: Without dead ends: 544 [2020-10-15 20:19:56,238 INFO L677 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 [2020-10-15 20:19:56,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2020-10-15 20:19:56,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 544. [2020-10-15 20:19:56,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2020-10-15 20:19:56,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 1443 transitions. [2020-10-15 20:19:56,276 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 1443 transitions. Word has length 10 [2020-10-15 20:19:56,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:19:56,277 INFO L481 AbstractCegarLoop]: Abstraction has 544 states and 1443 transitions. [2020-10-15 20:19:56,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:19:56,277 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 1443 transitions. [2020-10-15 20:19:56,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-15 20:19:56,279 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:19:56,279 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:19:56,279 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 20:19:56,280 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:19:56,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:19:56,280 INFO L82 PathProgramCache]: Analyzing trace with hash 542095752, now seen corresponding path program 1 times [2020-10-15 20:19:56,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:19:56,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827512576] [2020-10-15 20:19:56,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:19:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:19:56,377 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:19:56,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827512576] [2020-10-15 20:19:56,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730086411] [2020-10-15 20:19:56,378 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 [2020-10-15 20:19:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:19:56,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-15 20:19:56,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:19:56,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:19:56,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 20:19:56,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-10-15 20:19:56,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266802709] [2020-10-15 20:19:56,505 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 20:19:56,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:19:56,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 20:19:56,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-15 20:19:56,506 INFO L87 Difference]: Start difference. First operand 544 states and 1443 transitions. Second operand 7 states. [2020-10-15 20:19:56,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:19:56,576 INFO L93 Difference]: Finished difference Result 821 states and 2103 transitions. [2020-10-15 20:19:56,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 20:19:56,577 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-10-15 20:19:56,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:19:56,583 INFO L225 Difference]: With dead ends: 821 [2020-10-15 20:19:56,583 INFO L226 Difference]: Without dead ends: 821 [2020-10-15 20:19:56,584 INFO L677 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 [2020-10-15 20:19:56,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2020-10-15 20:19:56,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 668. [2020-10-15 20:19:56,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 668 states. [2020-10-15 20:19:56,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 1762 transitions. [2020-10-15 20:19:56,612 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 1762 transitions. Word has length 14 [2020-10-15 20:19:56,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:19:56,612 INFO L481 AbstractCegarLoop]: Abstraction has 668 states and 1762 transitions. [2020-10-15 20:19:56,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 20:19:56,613 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1762 transitions. [2020-10-15 20:19:56,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-15 20:19:56,615 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:19:56,615 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:19:56,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:19:56,831 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:19:56,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:19:56,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1519339950, now seen corresponding path program 1 times [2020-10-15 20:19:56,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:19:56,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080310023] [2020-10-15 20:19:56,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:19:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:19:56,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:19:56,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080310023] [2020-10-15 20:19:56,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:19:56,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 20:19:56,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496519855] [2020-10-15 20:19:56,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:19:56,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:19:56,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:19:56,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:19:56,889 INFO L87 Difference]: Start difference. First operand 668 states and 1762 transitions. Second operand 3 states. [2020-10-15 20:19:56,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:19:56,935 INFO L93 Difference]: Finished difference Result 359 states and 809 transitions. [2020-10-15 20:19:56,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:19:56,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-10-15 20:19:56,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:19:56,938 INFO L225 Difference]: With dead ends: 359 [2020-10-15 20:19:56,938 INFO L226 Difference]: Without dead ends: 355 [2020-10-15 20:19:56,938 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:19:56,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2020-10-15 20:19:56,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 335. [2020-10-15 20:19:56,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-10-15 20:19:56,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 751 transitions. [2020-10-15 20:19:56,949 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 751 transitions. Word has length 16 [2020-10-15 20:19:56,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:19:56,949 INFO L481 AbstractCegarLoop]: Abstraction has 335 states and 751 transitions. [2020-10-15 20:19:56,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:19:56,950 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 751 transitions. [2020-10-15 20:19:56,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-15 20:19:56,961 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:19:56,961 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:19:56,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 20:19:56,962 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:19:56,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:19:56,962 INFO L82 PathProgramCache]: Analyzing trace with hash -70656202, now seen corresponding path program 1 times [2020-10-15 20:19:56,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:19:56,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524282968] [2020-10-15 20:19:56,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:19:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:19:57,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:19:57,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524282968] [2020-10-15 20:19:57,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:19:57,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 20:19:57,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951160544] [2020-10-15 20:19:57,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 20:19:57,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:19:57,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 20:19:57,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 20:19:57,086 INFO L87 Difference]: Start difference. First operand 335 states and 751 transitions. Second operand 5 states. [2020-10-15 20:19:57,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:19:57,142 INFO L93 Difference]: Finished difference Result 459 states and 1021 transitions. [2020-10-15 20:19:57,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 20:19:57,142 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-15 20:19:57,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:19:57,145 INFO L225 Difference]: With dead ends: 459 [2020-10-15 20:19:57,145 INFO L226 Difference]: Without dead ends: 459 [2020-10-15 20:19:57,146 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-15 20:19:57,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2020-10-15 20:19:57,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 373. [2020-10-15 20:19:57,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-10-15 20:19:57,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 842 transitions. [2020-10-15 20:19:57,157 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 842 transitions. Word has length 17 [2020-10-15 20:19:57,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:19:57,158 INFO L481 AbstractCegarLoop]: Abstraction has 373 states and 842 transitions. [2020-10-15 20:19:57,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 20:19:57,158 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 842 transitions. [2020-10-15 20:19:57,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-15 20:19:57,159 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:19:57,159 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:19:57,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 20:19:57,160 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:19:57,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:19:57,160 INFO L82 PathProgramCache]: Analyzing trace with hash 681509379, now seen corresponding path program 1 times [2020-10-15 20:19:57,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:19:57,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439717826] [2020-10-15 20:19:57,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:19:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:19:57,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:19:57,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439717826] [2020-10-15 20:19:57,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:19:57,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 20:19:57,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330262856] [2020-10-15 20:19:57,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 20:19:57,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:19:57,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 20:19:57,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-15 20:19:57,389 INFO L87 Difference]: Start difference. First operand 373 states and 842 transitions. Second operand 9 states. [2020-10-15 20:19:57,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:19:57,715 INFO L93 Difference]: Finished difference Result 692 states and 1542 transitions. [2020-10-15 20:19:57,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 20:19:57,716 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-10-15 20:19:57,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:19:57,720 INFO L225 Difference]: With dead ends: 692 [2020-10-15 20:19:57,720 INFO L226 Difference]: Without dead ends: 692 [2020-10-15 20:19:57,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-15 20:19:57,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2020-10-15 20:19:57,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 495. [2020-10-15 20:19:57,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 495 states. [2020-10-15 20:19:57,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 1143 transitions. [2020-10-15 20:19:57,737 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 1143 transitions. Word has length 21 [2020-10-15 20:19:57,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:19:57,737 INFO L481 AbstractCegarLoop]: Abstraction has 495 states and 1143 transitions. [2020-10-15 20:19:57,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 20:19:57,738 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 1143 transitions. [2020-10-15 20:19:57,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-15 20:19:57,739 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:19:57,739 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:19:57,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 20:19:57,739 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:19:57,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:19:57,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1784222625, now seen corresponding path program 2 times [2020-10-15 20:19:57,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:19:57,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496447205] [2020-10-15 20:19:57,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:19:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:19:57,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:19:57,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496447205] [2020-10-15 20:19:57,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:19:57,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 20:19:57,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737027727] [2020-10-15 20:19:57,966 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 20:19:57,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:19:57,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 20:19:57,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-15 20:19:57,967 INFO L87 Difference]: Start difference. First operand 495 states and 1143 transitions. Second operand 9 states. [2020-10-15 20:19:58,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:19:58,280 INFO L93 Difference]: Finished difference Result 807 states and 1820 transitions. [2020-10-15 20:19:58,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 20:19:58,281 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-10-15 20:19:58,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:19:58,287 INFO L225 Difference]: With dead ends: 807 [2020-10-15 20:19:58,287 INFO L226 Difference]: Without dead ends: 807 [2020-10-15 20:19:58,288 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-15 20:19:58,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2020-10-15 20:19:58,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 481. [2020-10-15 20:19:58,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-10-15 20:19:58,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 1106 transitions. [2020-10-15 20:19:58,305 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 1106 transitions. Word has length 21 [2020-10-15 20:19:58,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:19:58,306 INFO L481 AbstractCegarLoop]: Abstraction has 481 states and 1106 transitions. [2020-10-15 20:19:58,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 20:19:58,306 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 1106 transitions. [2020-10-15 20:19:58,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 20:19:58,307 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:19:58,307 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-15 20:19:58,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 20:19:58,307 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:19:58,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:19:58,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1908901823, now seen corresponding path program 2 times [2020-10-15 20:19:58,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:19:58,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139962793] [2020-10-15 20:19:58,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:19:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:19:58,415 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:19:58,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139962793] [2020-10-15 20:19:58,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654766569] [2020-10-15 20:19:58,416 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 [2020-10-15 20:19:58,521 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-15 20:19:58,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 20:19:58,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-15 20:19:58,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:19:58,555 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:19:58,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 20:19:58,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-10-15 20:19:58,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222770456] [2020-10-15 20:19:58,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 20:19:58,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:19:58,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 20:19:58,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-15 20:19:58,558 INFO L87 Difference]: Start difference. First operand 481 states and 1106 transitions. Second operand 9 states. [2020-10-15 20:19:58,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:19:58,665 INFO L93 Difference]: Finished difference Result 722 states and 1617 transitions. [2020-10-15 20:19:58,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 20:19:58,666 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-10-15 20:19:58,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:19:58,670 INFO L225 Difference]: With dead ends: 722 [2020-10-15 20:19:58,670 INFO L226 Difference]: Without dead ends: 722 [2020-10-15 20:19:58,670 INFO L677 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 [2020-10-15 20:19:58,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2020-10-15 20:19:58,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 571. [2020-10-15 20:19:58,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2020-10-15 20:19:58,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 1305 transitions. [2020-10-15 20:19:58,687 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 1305 transitions. Word has length 22 [2020-10-15 20:19:58,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:19:58,687 INFO L481 AbstractCegarLoop]: Abstraction has 571 states and 1305 transitions. [2020-10-15 20:19:58,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 20:19:58,687 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 1305 transitions. [2020-10-15 20:19:58,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-15 20:19:58,688 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:19:58,689 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:19:58,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:19:58,903 INFO L429 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:19:58,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:19:58,903 INFO L82 PathProgramCache]: Analyzing trace with hash 536397377, now seen corresponding path program 1 times [2020-10-15 20:19:58,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:19:58,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695941518] [2020-10-15 20:19:58,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:19:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 20:19:58,931 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 20:19:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 20:19:58,958 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 20:19:58,988 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 20:19:58,988 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 20:19:58,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 20:19:58,989 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 20:19:58,990 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 20:19:58,996 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [576] [576] L971-6-->L939: Formula: (let ((.cse0 (mod t1Thread1of1ForFork0_~tmp~0_Out1426594423 4294967296)) (.cse1 (select |#pthreadsMutex_In1426594423| |~#m~0.base_In1426594423|))) (and (= |t1Thread1of1ForFork0_push_#in~x_Out1426594423| .cse0) (= |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_Out1426594423| 1) (= |t1Thread1of1ForFork0_#t~nondet43_In1426594423| t1Thread1of1ForFork0_~tmp~0_Out1426594423) (= |t1Thread1of1ForFork0_push_#in~stack.base_Out1426594423| |~#arr~0.base_In1426594423|) (= |t1Thread1of1ForFork0_push_#in~stack.offset_Out1426594423| |~#arr~0.offset_In1426594423|) (= (select .cse1 |~#m~0.offset_In1426594423|) 0) (< .cse0 400) (= (store |#pthreadsMutex_In1426594423| |~#m~0.base_In1426594423| (store .cse1 |~#m~0.offset_In1426594423| 1)) |#pthreadsMutex_Out1426594423|) (< t1Thread1of1ForFork0_~i~0_In1426594423 400) (= t1Thread1of1ForFork0_assume_abort_if_not_~cond_Out1426594423 |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_Out1426594423|))) InVars {~#arr~0.offset=|~#arr~0.offset_In1426594423|, #pthreadsMutex=|#pthreadsMutex_In1426594423|, ~#m~0.base=|~#m~0.base_In1426594423|, t1Thread1of1ForFork0_~i~0=t1Thread1of1ForFork0_~i~0_In1426594423, ~#m~0.offset=|~#m~0.offset_In1426594423|, ~#arr~0.base=|~#arr~0.base_In1426594423|, t1Thread1of1ForFork0_#t~nondet43=|t1Thread1of1ForFork0_#t~nondet43_In1426594423|} OutVars{~#arr~0.offset=|~#arr~0.offset_In1426594423|, t1Thread1of1ForFork0_push_#in~x=|t1Thread1of1ForFork0_push_#in~x_Out1426594423|, #pthreadsMutex=|#pthreadsMutex_Out1426594423|, t1Thread1of1ForFork0_~i~0=t1Thread1of1ForFork0_~i~0_In1426594423, t1Thread1of1ForFork0_push_~stack.offset=t1Thread1of1ForFork0_push_~stack.offset_Out1426594423, t1Thread1of1ForFork0_push_#t~ret35=|t1Thread1of1ForFork0_push_#t~ret35_Out1426594423|, t1Thread1of1ForFork0_push_#res=|t1Thread1of1ForFork0_push_#res_Out1426594423|, ~#m~0.base=|~#m~0.base_In1426594423|, t1Thread1of1ForFork0_push_#t~nondet33=|t1Thread1of1ForFork0_push_#t~nondet33_Out1426594423|, t1Thread1of1ForFork0_push_~stack.base=t1Thread1of1ForFork0_push_~stack.base_Out1426594423, t1Thread1of1ForFork0_assume_abort_if_not_~cond=t1Thread1of1ForFork0_assume_abort_if_not_~cond_Out1426594423, t1Thread1of1ForFork0_push_#in~stack.base=|t1Thread1of1ForFork0_push_#in~stack.base_Out1426594423|, t1Thread1of1ForFork0_~tmp~0=t1Thread1of1ForFork0_~tmp~0_Out1426594423, t1Thread1of1ForFork0_push_~x=t1Thread1of1ForFork0_push_~x_Out1426594423, ~#m~0.offset=|~#m~0.offset_In1426594423|, t1Thread1of1ForFork0_assume_abort_if_not_#in~cond=|t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_Out1426594423|, t1Thread1of1ForFork0_push_#in~stack.offset=|t1Thread1of1ForFork0_push_#in~stack.offset_Out1426594423|, t1Thread1of1ForFork0_#t~nondet42=|t1Thread1of1ForFork0_#t~nondet42_Out1426594423|, ~#arr~0.base=|~#arr~0.base_In1426594423|, t1Thread1of1ForFork0_#t~nondet43=|t1Thread1of1ForFork0_#t~nondet43_Out1426594423|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_#in~x, #pthreadsMutex, t1Thread1of1ForFork0_push_~stack.offset, t1Thread1of1ForFork0_push_#t~ret35, t1Thread1of1ForFork0_push_#res, t1Thread1of1ForFork0_push_#t~nondet33, t1Thread1of1ForFork0_push_~stack.base, t1Thread1of1ForFork0_assume_abort_if_not_~cond, t1Thread1of1ForFork0_push_#in~stack.base, t1Thread1of1ForFork0_~tmp~0, t1Thread1of1ForFork0_push_~x, t1Thread1of1ForFork0_assume_abort_if_not_#in~cond, t1Thread1of1ForFork0_push_#in~stack.offset, t1Thread1of1ForFork0_#t~nondet42, t1Thread1of1ForFork0_#t~nondet43] because there is no mapped edge [2020-10-15 20:19:59,005 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [577] [577] L991-3-->L986-6: Formula: (and (= t2Thread1of1ForFork1_~i~1_Out-1258037047 (+ t2Thread1of1ForFork1_~i~1_In-1258037047 1)) (<= 0 (+ |t2Thread1of1ForFork1_#t~ret47_In-1258037047| 2147483648)) (not (= (- 2) |t2Thread1of1ForFork1_#t~ret47_In-1258037047|)) (= (store |#pthreadsMutex_In-1258037047| |~#m~0.base_In-1258037047| (store (select |#pthreadsMutex_In-1258037047| |~#m~0.base_In-1258037047|) |~#m~0.offset_In-1258037047| 0)) |#pthreadsMutex_Out-1258037047|) (<= |t2Thread1of1ForFork1_#t~ret47_In-1258037047| 2147483647)) InVars {#pthreadsMutex=|#pthreadsMutex_In-1258037047|, ~#m~0.base=|~#m~0.base_In-1258037047|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_In-1258037047|, ~#m~0.offset=|~#m~0.offset_In-1258037047|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_In-1258037047} OutVars{#pthreadsMutex=|#pthreadsMutex_Out-1258037047|, ~#m~0.base=|~#m~0.base_In-1258037047|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_Out-1258037047|, ~#m~0.offset=|~#m~0.offset_In-1258037047|, t2Thread1of1ForFork1_#t~post45=|t2Thread1of1ForFork1_#t~post45_Out-1258037047|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_Out-1258037047} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret47, t2Thread1of1ForFork1_#t~post45, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2020-10-15 20:19:59,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 08:19:59 BasicIcfg [2020-10-15 20:19:59,048 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 20:19:59,050 INFO L168 Benchmark]: Toolchain (without parser) took 9202.08 ms. Allocated memory was 250.6 MB in the beginning and 482.3 MB in the end (delta: 231.7 MB). Free memory was 205.8 MB in the beginning and 417.3 MB in the end (delta: -211.5 MB). Peak memory consumption was 20.2 MB. Max. memory is 14.2 GB. [2020-10-15 20:19:59,050 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 250.6 MB. Free memory is still 227.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 20:19:59,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 997.62 ms. Allocated memory was 250.6 MB in the beginning and 314.0 MB in the end (delta: 63.4 MB). Free memory was 205.8 MB in the beginning and 239.5 MB in the end (delta: -33.8 MB). Peak memory consumption was 39.6 MB. Max. memory is 14.2 GB. [2020-10-15 20:19:59,052 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.34 ms. Allocated memory is still 314.0 MB. Free memory was 239.5 MB in the beginning and 237.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 20:19:59,053 INFO L168 Benchmark]: Boogie Preprocessor took 35.05 ms. Allocated memory is still 314.0 MB. Free memory was 237.0 MB in the beginning and 234.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 20:19:59,053 INFO L168 Benchmark]: RCFGBuilder took 560.16 ms. Allocated memory is still 314.0 MB. Free memory was 234.5 MB in the beginning and 200.1 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 14.2 GB. [2020-10-15 20:19:59,054 INFO L168 Benchmark]: TraceAbstraction took 7532.60 ms. Allocated memory was 314.0 MB in the beginning and 482.3 MB in the end (delta: 168.3 MB). Free memory was 200.1 MB in the beginning and 417.3 MB in the end (delta: -217.2 MB). There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 20:19:59,064 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 250.6 MB. Free memory is still 227.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 997.62 ms. Allocated memory was 250.6 MB in the beginning and 314.0 MB in the end (delta: 63.4 MB). Free memory was 205.8 MB in the beginning and 239.5 MB in the end (delta: -33.8 MB). Peak memory consumption was 39.6 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 71.34 ms. Allocated memory is still 314.0 MB. Free memory was 239.5 MB in the beginning and 237.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 35.05 ms. Allocated memory is still 314.0 MB. Free memory was 237.0 MB in the beginning and 234.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 560.16 ms. Allocated memory is still 314.0 MB. Free memory was 234.5 MB in the beginning and 200.1 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 7532.60 ms. Allocated memory was 314.0 MB in the beginning and 482.3 MB in the end (delta: 168.3 MB). Free memory was 200.1 MB in the beginning and 417.3 MB in the end (delta: -217.2 MB). There was no memory consumed. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4864 VarBasedMoverChecksPositive, 89 VarBasedMoverChecksNegative, 25 SemBasedMoverChecksPositive, 64 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 311 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.7s, 140 PlacesBefore, 40 PlacesAfterwards, 145 TransitionsBefore, 41 TransitionsAfterwards, 6532 CoEnabledTransitionPairs, 5 FixpointIterations, 26 TrivialSequentialCompositions, 81 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 22 ConcurrentYvCompositions, 4 ChoiceCompositions, 133 TotalNumberOfCompositions, 10850 MoverChecksTotal - CounterExampleResult [Line: 921]: 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[(400)]; [L918] 0 pthread_mutex_t m; [L919] 0 _Bool flag=(0); [L1000] 0 pthread_t id1, id2; [L1002] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={9:0}, flag=0, m={2:0}, top=0] [L969] 1 int i; [L970] 1 unsigned int tmp; [L971] 1 i=0 VAL [arr={9:0}, flag=0, m={2:0}, top=0] [L941] COND FALSE 1 !(top==(400)) [L1003] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={9:0}, flag=0, m={2:0}, top=0] [L985] 2 int i; [L986] 2 i=0 VAL [arr={9:0}, flag=0, m={2:0}, top=0] [L933] 1 return top; [L948] 1 stack[get_top()] = x VAL [arr={9:0}, flag=0, m={2:0}, top=0] [L925] 1 top++ [L951] 1 return 0; [L976] COND FALSE 1 !(push(arr,tmp)==(-1)) [L978] 1 flag=(1) VAL [arr={9:0}, flag=1, m={2:0}, top=1] [L971] 1 i++ VAL [arr={9:0}, flag=1, m={2:0}, top=1] [L986] COND TRUE 2 i<(400) [L989] COND TRUE 2 \read(flag) [L933] 2 return top; [L955] COND FALSE 2 !(get_top()==0) VAL [arr={9:0}, flag=1, m={2:0}, top=1] [L929] 2 top-- [L933] 2 return top; [L963] EXPR 2 stack[get_top()] [L963] 2 return stack[get_top()]; [L986] COND TRUE 2 i<(400) [L989] COND TRUE 2 \read(flag) [L933] 2 return top; [L955] COND TRUE 2 get_top()==0 [L958] 2 return (-2); [L991] COND TRUE 2 !(pop(arr)!=(-2)) [L921] 2 __VERIFIER_error() VAL [arr={9:0}, flag=1, m={2:0}, top=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 134 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.3s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, HoareTripleCheckerStatistics: 406 SDtfs, 489 SDslu, 849 SDs, 0 SdLazy, 436 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=668occurred 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, 9 MinimizatonAttempts, 1013 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 27542 SizeOfPredicates, 5 NumberOfNonLiveVariables, 337 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 6/34 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...