/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread/stack_longest-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-17 18:46:04,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-17 18:46:04,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-17 18:46:04,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-17 18:46:04,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-17 18:46:04,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-17 18:46:04,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-17 18:46:04,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-17 18:46:04,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-17 18:46:04,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-17 18:46:04,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-17 18:46:04,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-17 18:46:04,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-17 18:46:04,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-17 18:46:04,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-17 18:46:04,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-17 18:46:04,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-17 18:46:04,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-17 18:46:04,765 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-17 18:46:04,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-17 18:46:04,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-17 18:46:04,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-17 18:46:04,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-17 18:46:04,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-17 18:46:04,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-17 18:46:04,784 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-17 18:46:04,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-17 18:46:04,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-17 18:46:04,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-17 18:46:04,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-17 18:46:04,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-17 18:46:04,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-17 18:46:04,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-17 18:46:04,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-17 18:46:04,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-17 18:46:04,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-17 18:46:04,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-17 18:46:04,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-17 18:46:04,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-17 18:46:04,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-17 18:46:04,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-17 18:46:04,798 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 [2020-04-17 18:46:04,834 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-17 18:46:04,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-17 18:46:04,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-17 18:46:04,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-17 18:46:04,840 INFO L138 SettingsManager]: * Use SBE=true [2020-04-17 18:46:04,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-17 18:46:04,841 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-17 18:46:04,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-17 18:46:04,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-17 18:46:04,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-17 18:46:04,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-17 18:46:04,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-17 18:46:04,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-17 18:46:04,842 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-17 18:46:04,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-17 18:46:04,844 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-17 18:46:04,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-17 18:46:04,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-17 18:46:04,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-17 18:46:04,845 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-17 18:46:04,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-17 18:46:04,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-17 18:46:04,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-17 18:46:04,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-17 18:46:04,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-17 18:46:04,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-17 18:46:04,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-17 18:46:04,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-17 18:46:04,847 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-17 18:46:05,136 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-17 18:46:05,150 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-17 18:46:05,153 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-17 18:46:05,155 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-17 18:46:05,155 INFO L275 PluginConnector]: CDTParser initialized [2020-04-17 18:46:05,156 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longest-1.i [2020-04-17 18:46:05,235 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2661c74e1/03c2a0b3997b414aaa5ba918b021048c/FLAG38b980cdc [2020-04-17 18:46:05,823 INFO L306 CDTParser]: Found 1 translation units. [2020-04-17 18:46:05,828 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-1.i [2020-04-17 18:46:05,846 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2661c74e1/03c2a0b3997b414aaa5ba918b021048c/FLAG38b980cdc [2020-04-17 18:46:06,072 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2661c74e1/03c2a0b3997b414aaa5ba918b021048c [2020-04-17 18:46:06,080 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-17 18:46:06,103 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-17 18:46:06,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-17 18:46:06,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-17 18:46:06,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-17 18:46:06,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 06:46:06" (1/1) ... [2020-04-17 18:46:06,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27c8c7f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:46:06, skipping insertion in model container [2020-04-17 18:46:06,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 06:46:06" (1/1) ... [2020-04-17 18:46:06,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-17 18:46:06,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-17 18:46:06,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 18:46:06,790 INFO L203 MainTranslator]: Completed pre-run [2020-04-17 18:46:06,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 18:46:07,010 INFO L208 MainTranslator]: Completed translation [2020-04-17 18:46:07,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:46:07 WrapperNode [2020-04-17 18:46:07,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-17 18:46:07,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-17 18:46:07,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-17 18:46:07,012 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-17 18:46:07,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:46:07" (1/1) ... [2020-04-17 18:46:07,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:46:07" (1/1) ... [2020-04-17 18:46:07,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-17 18:46:07,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-17 18:46:07,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-17 18:46:07,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-17 18:46:07,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:46:07" (1/1) ... [2020-04-17 18:46:07,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:46:07" (1/1) ... [2020-04-17 18:46:07,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:46:07" (1/1) ... [2020-04-17 18:46:07,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:46:07" (1/1) ... [2020-04-17 18:46:07,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:46:07" (1/1) ... [2020-04-17 18:46:07,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:46:07" (1/1) ... [2020-04-17 18:46:07,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:46:07" (1/1) ... [2020-04-17 18:46:07,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-17 18:46:07,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-17 18:46:07,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-17 18:46:07,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-17 18:46:07,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:46:07" (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 [2020-04-17 18:46:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-04-17 18:46:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-04-17 18:46:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-04-17 18:46:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-04-17 18:46:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-17 18:46:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-17 18:46:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-17 18:46:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-17 18:46:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-04-17 18:46:07,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-17 18:46:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-17 18:46:07,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-17 18:46:07,179 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-17 18:46:07,729 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-17 18:46:07,729 INFO L295 CfgBuilder]: Removed 26 assume(true) statements. [2020-04-17 18:46:07,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 06:46:07 BoogieIcfgContainer [2020-04-17 18:46:07,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-17 18:46:07,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-17 18:46:07,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-17 18:46:07,756 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-17 18:46:07,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.04 06:46:06" (1/3) ... [2020-04-17 18:46:07,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dbf8b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 06:46:07, skipping insertion in model container [2020-04-17 18:46:07,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:46:07" (2/3) ... [2020-04-17 18:46:07,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dbf8b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 06:46:07, skipping insertion in model container [2020-04-17 18:46:07,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 06:46:07" (3/3) ... [2020-04-17 18:46:07,762 INFO L109 eAbstractionObserver]: Analyzing ICFG stack_longest-1.i [2020-04-17 18:46:07,773 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-17 18:46:07,774 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-17 18:46:07,782 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-04-17 18:46:07,783 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-17 18:46:07,831 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,832 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,832 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,832 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,832 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,833 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,833 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,833 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,833 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,833 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,834 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,834 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,834 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,834 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,835 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,835 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,835 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,835 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,835 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,836 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,836 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,836 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,836 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,836 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,837 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,837 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,837 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,837 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,837 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,838 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,838 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,838 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,838 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,839 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,839 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,839 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,839 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,839 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,840 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,840 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,840 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,841 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,842 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,843 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,843 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,844 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,844 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,844 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,844 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,845 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,845 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,845 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,845 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,845 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,846 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,846 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,846 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,846 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,847 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,847 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,847 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,847 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,847 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,848 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,848 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,848 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,848 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,848 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,853 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,853 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,854 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,854 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,854 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,854 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,855 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,855 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,856 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,856 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,856 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,857 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,857 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,857 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,857 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,857 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,858 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,858 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,858 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,859 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,859 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,859 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,859 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,860 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,860 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,860 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,860 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,860 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,860 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,861 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,861 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,861 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,861 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,862 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,862 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,863 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,866 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,867 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,867 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,868 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,872 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,873 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,873 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,873 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,873 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,874 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,874 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,874 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,874 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,874 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,874 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,875 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,875 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,875 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,875 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,876 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,876 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,876 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,876 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,876 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,876 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,877 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,877 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,877 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,877 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,881 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,881 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,881 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,881 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,881 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,882 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,882 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,882 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,882 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,882 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,883 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,883 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,883 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,883 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,883 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,884 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,884 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,884 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,884 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,884 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,885 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,885 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,885 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,891 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,891 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,891 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,891 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,892 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,892 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,892 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,892 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,892 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,893 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,893 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,893 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,893 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,893 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,894 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,894 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,894 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,894 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,894 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:46:07,916 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-04-17 18:46:07,936 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-17 18:46:07,936 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-17 18:46:07,936 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-17 18:46:07,936 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-17 18:46:07,937 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-17 18:46:07,937 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-17 18:46:07,937 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-17 18:46:07,937 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-17 18:46:07,954 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 145 transitions, 312 flow [2020-04-17 18:46:07,956 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 140 places, 145 transitions, 312 flow [2020-04-17 18:46:08,025 INFO L129 PetriNetUnfolder]: 11/145 cut-off events. [2020-04-17 18:46:08,026 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-04-17 18:46:08,035 INFO L80 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 145 events. 11/145 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 385 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 113. Up to 3 conditions per place. [2020-04-17 18:46:08,048 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 140 places, 145 transitions, 312 flow [2020-04-17 18:46:08,124 INFO L129 PetriNetUnfolder]: 11/145 cut-off events. [2020-04-17 18:46:08,124 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-04-17 18:46:08,131 INFO L80 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 145 events. 11/145 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 385 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 113. Up to 3 conditions per place. [2020-04-17 18:46:08,137 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 6532 [2020-04-17 18:46:08,139 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-17 18:46:10,630 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2020-04-17 18:46:11,728 WARN L192 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-04-17 18:46:11,942 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-04-17 18:46:12,192 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7856 [2020-04-17 18:46:12,192 INFO L214 etLargeBlockEncoding]: Total number of compositions: 125 [2020-04-17 18:46:12,196 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 40 transitions, 102 flow [2020-04-17 18:46:12,224 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 335 states. [2020-04-17 18:46:12,227 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2020-04-17 18:46:12,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-17 18:46:12,234 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:46:12,234 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-04-17 18:46:12,235 INFO L427 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:46:12,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:46:12,242 INFO L82 PathProgramCache]: Analyzing trace with hash 475987800, now seen corresponding path program 1 times [2020-04-17 18:46:12,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:46:12,253 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040271435] [2020-04-17 18:46:12,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:46:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:46:12,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:46:12,499 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040271435] [2020-04-17 18:46:12,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:46:12,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 18:46:12,501 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878687416] [2020-04-17 18:46:12,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 18:46:12,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:46:12,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 18:46:12,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 18:46:12,526 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 3 states. [2020-04-17 18:46:12,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:46:12,663 INFO L93 Difference]: Finished difference Result 602 states and 1541 transitions. [2020-04-17 18:46:12,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 18:46:12,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-04-17 18:46:12,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:46:12,694 INFO L225 Difference]: With dead ends: 602 [2020-04-17 18:46:12,694 INFO L226 Difference]: Without dead ends: 580 [2020-04-17 18:46:12,698 INFO L678 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 [2020-04-17 18:46:12,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-04-17 18:46:12,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 427. [2020-04-17 18:46:12,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2020-04-17 18:46:12,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 1148 transitions. [2020-04-17 18:46:12,796 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 1148 transitions. Word has length 6 [2020-04-17 18:46:12,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:46:12,797 INFO L479 AbstractCegarLoop]: Abstraction has 427 states and 1148 transitions. [2020-04-17 18:46:12,797 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 18:46:12,797 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1148 transitions. [2020-04-17 18:46:12,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-17 18:46:12,798 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:46:12,799 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:46:12,799 INFO L427 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:46:12,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:46:12,800 INFO L82 PathProgramCache]: Analyzing trace with hash 307066949, now seen corresponding path program 1 times [2020-04-17 18:46:12,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:46:12,800 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217350070] [2020-04-17 18:46:12,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:46:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:46:12,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:46:12,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217350070] [2020-04-17 18:46:12,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:46:12,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 18:46:12,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379012912] [2020-04-17 18:46:12,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 18:46:12,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:46:12,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 18:46:12,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 18:46:12,932 INFO L87 Difference]: Start difference. First operand 427 states and 1148 transitions. Second operand 3 states. [2020-04-17 18:46:12,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:46:12,960 INFO L93 Difference]: Finished difference Result 530 states and 1370 transitions. [2020-04-17 18:46:12,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 18:46:12,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-04-17 18:46:12,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:46:12,965 INFO L225 Difference]: With dead ends: 530 [2020-04-17 18:46:12,966 INFO L226 Difference]: Without dead ends: 508 [2020-04-17 18:46:12,966 INFO L678 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 [2020-04-17 18:46:12,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2020-04-17 18:46:13,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 468. [2020-04-17 18:46:13,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-04-17 18:46:13,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 1250 transitions. [2020-04-17 18:46:13,026 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 1250 transitions. Word has length 8 [2020-04-17 18:46:13,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:46:13,028 INFO L479 AbstractCegarLoop]: Abstraction has 468 states and 1250 transitions. [2020-04-17 18:46:13,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 18:46:13,028 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 1250 transitions. [2020-04-17 18:46:13,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-04-17 18:46:13,032 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:46:13,032 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:46:13,032 INFO L427 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:46:13,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:46:13,033 INFO L82 PathProgramCache]: Analyzing trace with hash -941555270, now seen corresponding path program 1 times [2020-04-17 18:46:13,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:46:13,033 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084465205] [2020-04-17 18:46:13,034 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:46:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:46:13,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:46:13,123 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084465205] [2020-04-17 18:46:13,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:46:13,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 18:46:13,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495419963] [2020-04-17 18:46:13,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 18:46:13,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:46:13,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 18:46:13,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 18:46:13,127 INFO L87 Difference]: Start difference. First operand 468 states and 1250 transitions. Second operand 3 states. [2020-04-17 18:46:13,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:46:13,148 INFO L93 Difference]: Finished difference Result 504 states and 1343 transitions. [2020-04-17 18:46:13,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 18:46:13,149 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-04-17 18:46:13,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:46:13,154 INFO L225 Difference]: With dead ends: 504 [2020-04-17 18:46:13,155 INFO L226 Difference]: Without dead ends: 504 [2020-04-17 18:46:13,155 INFO L678 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 [2020-04-17 18:46:13,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2020-04-17 18:46:13,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 504. [2020-04-17 18:46:13,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2020-04-17 18:46:13,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 1343 transitions. [2020-04-17 18:46:13,184 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 1343 transitions. Word has length 10 [2020-04-17 18:46:13,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:46:13,184 INFO L479 AbstractCegarLoop]: Abstraction has 504 states and 1343 transitions. [2020-04-17 18:46:13,185 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 18:46:13,185 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 1343 transitions. [2020-04-17 18:46:13,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-04-17 18:46:13,186 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:46:13,187 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:46:13,187 INFO L427 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:46:13,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:46:13,187 INFO L82 PathProgramCache]: Analyzing trace with hash 184198130, now seen corresponding path program 1 times [2020-04-17 18:46:13,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:46:13,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878926376] [2020-04-17 18:46:13,188 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:46:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:46:13,264 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:46:13,265 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878926376] [2020-04-17 18:46:13,265 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926390522] [2020-04-17 18:46:13,265 INFO L94 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 [2020-04-17 18:46:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:46:13,351 INFO L264 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjunts are in the unsatisfiable core [2020-04-17 18:46:13,357 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 18:46:13,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:46:13,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 18:46:13,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-04-17 18:46:13,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084524210] [2020-04-17 18:46:13,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-04-17 18:46:13,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:46:13,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-17 18:46:13,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-04-17 18:46:13,390 INFO L87 Difference]: Start difference. First operand 504 states and 1343 transitions. Second operand 7 states. [2020-04-17 18:46:13,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:46:13,496 INFO L93 Difference]: Finished difference Result 940 states and 2424 transitions. [2020-04-17 18:46:13,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-04-17 18:46:13,497 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-04-17 18:46:13,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:46:13,503 INFO L225 Difference]: With dead ends: 940 [2020-04-17 18:46:13,503 INFO L226 Difference]: Without dead ends: 940 [2020-04-17 18:46:13,504 INFO L678 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 [2020-04-17 18:46:13,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2020-04-17 18:46:13,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 688. [2020-04-17 18:46:13,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 688 states. [2020-04-17 18:46:13,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1842 transitions. [2020-04-17 18:46:13,527 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1842 transitions. Word has length 14 [2020-04-17 18:46:13,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:46:13,528 INFO L479 AbstractCegarLoop]: Abstraction has 688 states and 1842 transitions. [2020-04-17 18:46:13,528 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-04-17 18:46:13,528 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1842 transitions. [2020-04-17 18:46:13,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-04-17 18:46:13,530 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:46:13,530 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:46:13,734 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 18:46:13,734 INFO L427 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:46:13,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:46:13,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1859541019, now seen corresponding path program 1 times [2020-04-17 18:46:13,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:46:13,736 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326990468] [2020-04-17 18:46:13,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:46:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:46:13,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:46:13,797 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326990468] [2020-04-17 18:46:13,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:46:13,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-17 18:46:13,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157226386] [2020-04-17 18:46:13,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-17 18:46:13,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:46:13,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-17 18:46:13,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-17 18:46:13,798 INFO L87 Difference]: Start difference. First operand 688 states and 1842 transitions. Second operand 4 states. [2020-04-17 18:46:13,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:46:13,840 INFO L93 Difference]: Finished difference Result 343 states and 775 transitions. [2020-04-17 18:46:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-17 18:46:13,841 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-04-17 18:46:13,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:46:13,843 INFO L225 Difference]: With dead ends: 343 [2020-04-17 18:46:13,843 INFO L226 Difference]: Without dead ends: 339 [2020-04-17 18:46:13,843 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-17 18:46:13,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-04-17 18:46:13,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 313. [2020-04-17 18:46:13,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2020-04-17 18:46:13,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 700 transitions. [2020-04-17 18:46:13,853 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 700 transitions. Word has length 16 [2020-04-17 18:46:13,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:46:13,853 INFO L479 AbstractCegarLoop]: Abstraction has 313 states and 700 transitions. [2020-04-17 18:46:13,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-17 18:46:13,853 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 700 transitions. [2020-04-17 18:46:13,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-04-17 18:46:13,854 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:46:13,855 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:46:13,855 INFO L427 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:46:13,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:46:13,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1794318204, now seen corresponding path program 1 times [2020-04-17 18:46:13,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:46:13,856 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487174050] [2020-04-17 18:46:13,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:46:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:46:13,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:46:13,916 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487174050] [2020-04-17 18:46:13,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:46:13,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-17 18:46:13,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913050970] [2020-04-17 18:46:13,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-17 18:46:13,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:46:13,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-17 18:46:13,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-04-17 18:46:13,917 INFO L87 Difference]: Start difference. First operand 313 states and 700 transitions. Second operand 5 states. [2020-04-17 18:46:13,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:46:13,992 INFO L93 Difference]: Finished difference Result 473 states and 1056 transitions. [2020-04-17 18:46:13,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-17 18:46:13,992 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-04-17 18:46:13,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:46:13,995 INFO L225 Difference]: With dead ends: 473 [2020-04-17 18:46:13,995 INFO L226 Difference]: Without dead ends: 473 [2020-04-17 18:46:13,996 INFO L678 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 [2020-04-17 18:46:13,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2020-04-17 18:46:14,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 351. [2020-04-17 18:46:14,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-04-17 18:46:14,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 791 transitions. [2020-04-17 18:46:14,007 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 791 transitions. Word has length 17 [2020-04-17 18:46:14,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:46:14,007 INFO L479 AbstractCegarLoop]: Abstraction has 351 states and 791 transitions. [2020-04-17 18:46:14,007 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-17 18:46:14,007 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 791 transitions. [2020-04-17 18:46:14,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-04-17 18:46:14,008 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:46:14,008 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:46:14,009 INFO L427 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:46:14,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:46:14,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1963207549, now seen corresponding path program 1 times [2020-04-17 18:46:14,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:46:14,009 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901612636] [2020-04-17 18:46:14,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:46:14,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:46:14,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:46:14,458 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901612636] [2020-04-17 18:46:14,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:46:14,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-04-17 18:46:14,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877228052] [2020-04-17 18:46:14,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-04-17 18:46:14,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:46:14,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-04-17 18:46:14,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-04-17 18:46:14,461 INFO L87 Difference]: Start difference. First operand 351 states and 791 transitions. Second operand 11 states. [2020-04-17 18:46:15,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:46:15,055 INFO L93 Difference]: Finished difference Result 653 states and 1454 transitions. [2020-04-17 18:46:15,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-04-17 18:46:15,056 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-04-17 18:46:15,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:46:15,060 INFO L225 Difference]: With dead ends: 653 [2020-04-17 18:46:15,060 INFO L226 Difference]: Without dead ends: 653 [2020-04-17 18:46:15,061 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-04-17 18:46:15,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2020-04-17 18:46:15,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 484. [2020-04-17 18:46:15,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2020-04-17 18:46:15,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 1129 transitions. [2020-04-17 18:46:15,082 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 1129 transitions. Word has length 21 [2020-04-17 18:46:15,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:46:15,082 INFO L479 AbstractCegarLoop]: Abstraction has 484 states and 1129 transitions. [2020-04-17 18:46:15,082 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-04-17 18:46:15,082 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 1129 transitions. [2020-04-17 18:46:15,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-04-17 18:46:15,084 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:46:15,084 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 18:46:15,084 INFO L427 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:46:15,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:46:15,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1358260699, now seen corresponding path program 2 times [2020-04-17 18:46:15,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:46:15,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114128607] [2020-04-17 18:46:15,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:46:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:46:15,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:46:15,493 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114128607] [2020-04-17 18:46:15,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:46:15,493 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-04-17 18:46:15,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427673525] [2020-04-17 18:46:15,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-04-17 18:46:15,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:46:15,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-04-17 18:46:15,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-04-17 18:46:15,497 INFO L87 Difference]: Start difference. First operand 484 states and 1129 transitions. Second operand 11 states. [2020-04-17 18:46:16,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:46:16,227 INFO L93 Difference]: Finished difference Result 779 states and 1769 transitions. [2020-04-17 18:46:16,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-04-17 18:46:16,228 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-04-17 18:46:16,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:46:16,233 INFO L225 Difference]: With dead ends: 779 [2020-04-17 18:46:16,233 INFO L226 Difference]: Without dead ends: 779 [2020-04-17 18:46:16,234 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-04-17 18:46:16,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2020-04-17 18:46:16,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 470. [2020-04-17 18:46:16,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-04-17 18:46:16,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 1092 transitions. [2020-04-17 18:46:16,249 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 1092 transitions. Word has length 21 [2020-04-17 18:46:16,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:46:16,249 INFO L479 AbstractCegarLoop]: Abstraction has 470 states and 1092 transitions. [2020-04-17 18:46:16,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-04-17 18:46:16,249 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 1092 transitions. [2020-04-17 18:46:16,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-04-17 18:46:16,250 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:46:16,251 INFO L425 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2020-04-17 18:46:16,251 INFO L427 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:46:16,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:46:16,251 INFO L82 PathProgramCache]: Analyzing trace with hash 920456844, now seen corresponding path program 2 times [2020-04-17 18:46:16,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:46:16,252 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651340001] [2020-04-17 18:46:16,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:46:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:46:16,321 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:46:16,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651340001] [2020-04-17 18:46:16,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104019184] [2020-04-17 18:46:16,322 INFO L92 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 [2020-04-17 18:46:16,414 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-04-17 18:46:16,414 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-04-17 18:46:16,415 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 6 conjunts are in the unsatisfiable core [2020-04-17 18:46:16,418 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-04-17 18:46:16,438 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:46:16,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-04-17 18:46:16,438 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-04-17 18:46:16,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259896246] [2020-04-17 18:46:16,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-04-17 18:46:16,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:46:16,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-04-17 18:46:16,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-04-17 18:46:16,440 INFO L87 Difference]: Start difference. First operand 470 states and 1092 transitions. Second operand 9 states. [2020-04-17 18:46:16,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:46:16,530 INFO L93 Difference]: Finished difference Result 778 states and 1761 transitions. [2020-04-17 18:46:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-04-17 18:46:16,532 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-04-17 18:46:16,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:46:16,536 INFO L225 Difference]: With dead ends: 778 [2020-04-17 18:46:16,536 INFO L226 Difference]: Without dead ends: 778 [2020-04-17 18:46:16,537 INFO L678 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 [2020-04-17 18:46:16,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2020-04-17 18:46:16,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 560. [2020-04-17 18:46:16,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-04-17 18:46:16,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 1291 transitions. [2020-04-17 18:46:16,553 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 1291 transitions. Word has length 22 [2020-04-17 18:46:16,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:46:16,554 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 1291 transitions. [2020-04-17 18:46:16,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-04-17 18:46:16,554 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 1291 transitions. [2020-04-17 18:46:16,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-04-17 18:46:16,555 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:46:16,556 INFO L425 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] [2020-04-17 18:46:16,767 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-04-17 18:46:16,768 INFO L427 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:46:16,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:46:16,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1348112131, now seen corresponding path program 1 times [2020-04-17 18:46:16,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:46:16,769 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103878388] [2020-04-17 18:46:16,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:46:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-17 18:46:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-17 18:46:16,852 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-17 18:46:16,853 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-17 18:46:16,854 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-04-17 18:46:16,854 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-04-17 18:46:16,854 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-04-17 18:46:16,860 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [558] [558] L3-->L977-1: Formula: (and (= |~#arr~0.base_In-1961890504| |t1Thread1of1ForFork0_push_#in~stack.base_Out-1961890504|) (= t1Thread1of1ForFork0_assume_abort_if_not_~cond_Out-1961890504 |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_In-1961890504|) (not (= t1Thread1of1ForFork0_assume_abort_if_not_~cond_Out-1961890504 0)) (= |t1Thread1of1ForFork0_push_#in~stack.offset_Out-1961890504| |~#arr~0.offset_In-1961890504|) (let ((.cse0 (mod t1Thread1of1ForFork0_~tmp~0_In-1961890504 4294967296))) (let ((.cse1 (<= .cse0 2147483647))) (or (and (= |t1Thread1of1ForFork0_push_#in~x_Out-1961890504| (+ .cse0 (- 4294967296))) (not .cse1)) (and (= .cse0 |t1Thread1of1ForFork0_push_#in~x_Out-1961890504|) .cse1))))) InVars {~#arr~0.offset=|~#arr~0.offset_In-1961890504|, t1Thread1of1ForFork0_~tmp~0=t1Thread1of1ForFork0_~tmp~0_In-1961890504, t1Thread1of1ForFork0_assume_abort_if_not_#in~cond=|t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_In-1961890504|, ~#arr~0.base=|~#arr~0.base_In-1961890504|} OutVars{~#arr~0.offset=|~#arr~0.offset_In-1961890504|, t1Thread1of1ForFork0_push_#in~x=|t1Thread1of1ForFork0_push_#in~x_Out-1961890504|, t1Thread1of1ForFork0_assume_abort_if_not_~cond=t1Thread1of1ForFork0_assume_abort_if_not_~cond_Out-1961890504, t1Thread1of1ForFork0_push_#in~stack.base=|t1Thread1of1ForFork0_push_#in~stack.base_Out-1961890504|, t1Thread1of1ForFork0_~tmp~0=t1Thread1of1ForFork0_~tmp~0_In-1961890504, t1Thread1of1ForFork0_push_#res=|t1Thread1of1ForFork0_push_#res_Out-1961890504|, t1Thread1of1ForFork0_assume_abort_if_not_#in~cond=|t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_In-1961890504|, t1Thread1of1ForFork0_push_#in~stack.offset=|t1Thread1of1ForFork0_push_#in~stack.offset_Out-1961890504|, ~#arr~0.base=|~#arr~0.base_In-1961890504|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_#in~x, t1Thread1of1ForFork0_assume_abort_if_not_~cond, t1Thread1of1ForFork0_push_#in~stack.base, t1Thread1of1ForFork0_push_#res, t1Thread1of1ForFork0_push_#in~stack.offset] because there is no mapped edge [2020-04-17 18:46:16,865 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [559] [559] L977-2-->L980: Formula: (and (not (= (- 1) |t1Thread1of1ForFork0_#t~ret44_In-1779581811|)) (= ~flag~0_Out-1779581811 1) (<= 0 (+ |t1Thread1of1ForFork0_#t~ret44_In-1779581811| 2147483648)) (<= |t1Thread1of1ForFork0_#t~ret44_In-1779581811| 2147483647)) InVars {t1Thread1of1ForFork0_#t~ret44=|t1Thread1of1ForFork0_#t~ret44_In-1779581811|} OutVars{t1Thread1of1ForFork0_#t~ret44=|t1Thread1of1ForFork0_#t~ret44_Out-1779581811|, ~flag~0=~flag~0_Out-1779581811} AuxVars[] AssignedVars[t1Thread1of1ForFork0_#t~ret44, ~flag~0] because there is no mapped edge [2020-04-17 18:46:16,869 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [570] [570] L992-4-->L987-6: Formula: (and (= t2Thread1of1ForFork1_~i~1_Out-1320846221 (+ t2Thread1of1ForFork1_~i~1_In-1320846221 1)) (not (= (- 2) |t2Thread1of1ForFork1_#t~ret47_In-1320846221|)) (= |#pthreadsMutex_Out-1320846221| (store |#pthreadsMutex_In-1320846221| |~#m~0.base_In-1320846221| (store (select |#pthreadsMutex_In-1320846221| |~#m~0.base_In-1320846221|) |~#m~0.offset_In-1320846221| 0)))) InVars {#pthreadsMutex=|#pthreadsMutex_In-1320846221|, ~#m~0.base=|~#m~0.base_In-1320846221|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_In-1320846221|, ~#m~0.offset=|~#m~0.offset_In-1320846221|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_In-1320846221} OutVars{#pthreadsMutex=|#pthreadsMutex_Out-1320846221|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_Out-1320846221|, ~#m~0.base=|~#m~0.base_In-1320846221|, ~#m~0.offset=|~#m~0.offset_In-1320846221|, t2Thread1of1ForFork1_#t~post45=|t2Thread1of1ForFork1_#t~post45_Out-1320846221|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_Out-1320846221} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret47, t2Thread1of1ForFork1_#t~post45, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2020-04-17 18:46:16,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.04 06:46:16 BasicIcfg [2020-04-17 18:46:16,929 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-17 18:46:16,931 INFO L168 Benchmark]: Toolchain (without parser) took 10849.37 ms. Allocated memory was 140.5 MB in the beginning and 302.5 MB in the end (delta: 162.0 MB). Free memory was 103.4 MB in the beginning and 137.8 MB in the end (delta: -34.3 MB). Peak memory consumption was 127.7 MB. Max. memory is 7.1 GB. [2020-04-17 18:46:16,932 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 140.5 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-04-17 18:46:16,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 907.02 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 101.5 MB in the beginning and 132.6 MB in the end (delta: -31.2 MB). Peak memory consumption was 37.0 MB. Max. memory is 7.1 GB. [2020-04-17 18:46:16,933 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.22 ms. Allocated memory is still 203.4 MB. Free memory was 132.6 MB in the beginning and 130.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-04-17 18:46:16,934 INFO L168 Benchmark]: Boogie Preprocessor took 36.85 ms. Allocated memory is still 203.4 MB. Free memory was 130.0 MB in the beginning and 128.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-04-17 18:46:16,934 INFO L168 Benchmark]: RCFGBuilder took 621.73 ms. Allocated memory is still 203.4 MB. Free memory was 128.1 MB in the beginning and 95.3 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. [2020-04-17 18:46:16,939 INFO L168 Benchmark]: TraceAbstraction took 9177.27 ms. Allocated memory was 233.8 MB in the beginning and 302.5 MB in the end (delta: 68.7 MB). Free memory was 205.6 MB in the beginning and 137.8 MB in the end (delta: 67.9 MB). Peak memory consumption was 136.5 MB. Max. memory is 7.1 GB. [2020-04-17 18:46:16,948 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 140.5 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 907.02 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 101.5 MB in the beginning and 132.6 MB in the end (delta: -31.2 MB). Peak memory consumption was 37.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 63.22 ms. Allocated memory is still 203.4 MB. Free memory was 132.6 MB in the beginning and 130.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.85 ms. Allocated memory is still 203.4 MB. Free memory was 130.0 MB in the beginning and 128.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 621.73 ms. Allocated memory is still 203.4 MB. Free memory was 128.1 MB in the beginning and 95.3 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9177.27 ms. Allocated memory was 233.8 MB in the beginning and 302.5 MB in the end (delta: 68.7 MB). Free memory was 205.6 MB in the beginning and 137.8 MB in the end (delta: 67.9 MB). Peak memory consumption was 136.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.2s, 140 ProgramPointsBefore, 40 ProgramPointsAfterwards, 145 TransitionsBefore, 40 TransitionsAfterwards, 6532 CoEnabledTransitionPairs, 7 FixpointIterations, 26 TrivialSequentialCompositions, 80 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 19 ConcurrentYvCompositions, 5 ChoiceCompositions, 3624 VarBasedMoverChecksPositive, 54 VarBasedMoverChecksNegative, 17 SemBasedMoverChecksPositive, 53 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 0 MoverChecksTotal, 7856 CheckedPairsTotal, 125 TotalNumberOfCompositions - CounterExampleResult [Line: 922]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L916] 0 static int top=0; [L917] 0 static unsigned int arr[(800)]; [L918] 0 pthread_mutex_t m; [L919] 0 _Bool flag=(0); [L1001] 0 pthread_t id1, id2; [L1003] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={5:0}, flag=0, m={9:0}, top=0] [L970] 1 int i; [L971] 1 unsigned int tmp; [L972] 1 i=0 VAL [arr={5:0}, flag=0, m={9:0}, top=0] [L972] COND TRUE 1 i<(800) [L975] 1 tmp = __VERIFIER_nondet_uint() [L942] COND FALSE 1 !(top==(800)) [L1004] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={5:0}, flag=0, m={9:0}, top=0] [L986] 2 int i; [L987] 2 i=0 VAL [arr={5:0}, flag=0, m={9:0}, top=0] [L934] 1 return top; [L949] 1 stack[get_top()] = x [L926] 1 top++ [L952] 1 return 0; [L972] 1 i++ VAL [arr={5:0}, flag=1, m={9:0}, top=1] [L987] COND TRUE 2 i<(800) [L990] COND TRUE 2 \read(flag) [L934] 2 return top; [L956] COND FALSE 2 !(get_top()==0) [L930] 2 top-- [L934] 2 return top; VAL [arr={5:0}, flag=1, m={9:0}, top=0] [L964] EXPR 2 stack[get_top()] [L964] 2 return stack[get_top()]; [L987] COND TRUE 2 i<(800) [L990] COND TRUE 2 \read(flag) [L934] 2 return top; [L956] COND TRUE 2 get_top()==0 [L959] 2 return (-2); [L992] COND TRUE 2 !(pop(arr)!=(-2)) [L922] 2 __VERIFIER_error() VAL [arr={5:0}, flag=1, m={9:0}, top=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 134 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.9s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.2s, HoareTripleCheckerStatistics: 389 SDtfs, 608 SDslu, 910 SDs, 0 SdLazy, 678 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=688occurred 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, 1289 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 33292 SizeOfPredicates, 5 NumberOfNonLiveVariables, 327 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...