/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread/stack_longest-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-06 00:00:50,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 00:00:50,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 00:00:50,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 00:00:50,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 00:00:50,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 00:00:50,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 00:00:50,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 00:00:50,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 00:00:50,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 00:00:50,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 00:00:50,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 00:00:50,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 00:00:50,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 00:00:50,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 00:00:50,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 00:00:50,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 00:00:50,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 00:00:50,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 00:00:50,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 00:00:50,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 00:00:50,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 00:00:50,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 00:00:50,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 00:00:50,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 00:00:50,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 00:00:50,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 00:00:50,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 00:00:50,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 00:00:50,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 00:00:50,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 00:00:50,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 00:00:50,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 00:00:50,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 00:00:50,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 00:00:50,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 00:00:50,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 00:00:50,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 00:00:50,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 00:00:50,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 00:00:50,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 00:00:50,735 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-06 00:00:50,776 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 00:00:50,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 00:00:50,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 00:00:50,780 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 00:00:50,780 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 00:00:50,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 00:00:50,781 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 00:00:50,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 00:00:50,781 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 00:00:50,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 00:00:50,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 00:00:50,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 00:00:50,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 00:00:50,784 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 00:00:50,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 00:00:50,784 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 00:00:50,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 00:00:50,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 00:00:50,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 00:00:50,785 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 00:00:50,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 00:00:50,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 00:00:50,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 00:00:50,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-06 00:00:50,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 00:00:50,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 00:00:50,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 00:00:50,787 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-06 00:00:50,787 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-06 00:00:50,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 00:00:50,787 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-06 00:00:51,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 00:00:51,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 00:00:51,123 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 00:00:51,125 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-06 00:00:51,125 INFO L275 PluginConnector]: CDTParser initialized [2020-10-06 00:00:51,126 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longest-2.i [2020-10-06 00:00:51,210 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4643f5765/5904e1759c8b4ac6bb5584771f72565a/FLAG4a472516c [2020-10-06 00:00:51,816 INFO L306 CDTParser]: Found 1 translation units. [2020-10-06 00:00:51,818 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-2.i [2020-10-06 00:00:51,836 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4643f5765/5904e1759c8b4ac6bb5584771f72565a/FLAG4a472516c [2020-10-06 00:00:52,081 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4643f5765/5904e1759c8b4ac6bb5584771f72565a [2020-10-06 00:00:52,090 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 00:00:52,091 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-06 00:00:52,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-06 00:00:52,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-06 00:00:52,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-06 00:00:52,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:00:52" (1/1) ... [2020-10-06 00:00:52,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6649cd69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:00:52, skipping insertion in model container [2020-10-06 00:00:52,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:00:52" (1/1) ... [2020-10-06 00:00:52,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-06 00:00:52,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-06 00:00:52,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:00:52,817 INFO L203 MainTranslator]: Completed pre-run [2020-10-06 00:00:52,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:00:53,102 INFO L208 MainTranslator]: Completed translation [2020-10-06 00:00:53,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:00:53 WrapperNode [2020-10-06 00:00:53,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-06 00:00:53,105 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 00:00:53,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 00:00:53,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 00:00:53,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:00:53" (1/1) ... [2020-10-06 00:00:53,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:00:53" (1/1) ... [2020-10-06 00:00:53,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 00:00:53,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 00:00:53,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 00:00:53,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 00:00:53,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:00:53" (1/1) ... [2020-10-06 00:00:53,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:00:53" (1/1) ... [2020-10-06 00:00:53,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:00:53" (1/1) ... [2020-10-06 00:00:53,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:00:53" (1/1) ... [2020-10-06 00:00:53,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:00:53" (1/1) ... [2020-10-06 00:00:53,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:00:53" (1/1) ... [2020-10-06 00:00:53,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:00:53" (1/1) ... [2020-10-06 00:00:53,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 00:00:53,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 00:00:53,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 00:00:53,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 00:00:53,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:00:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 00:00:53,384 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-06 00:00:53,384 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-06 00:00:53,384 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-06 00:00:53,385 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-06 00:00:53,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-06 00:00:53,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-06 00:00:53,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-06 00:00:53,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-06 00:00:53,386 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-06 00:00:53,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-06 00:00:53,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 00:00:53,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 00:00:53,389 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 00:00:53,891 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 00:00:53,891 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-06 00:00:53,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:00:53 BoogieIcfgContainer [2020-10-06 00:00:53,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 00:00:53,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 00:00:53,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 00:00:53,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 00:00:53,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 12:00:52" (1/3) ... [2020-10-06 00:00:53,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@581ee017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:00:53, skipping insertion in model container [2020-10-06 00:00:53,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:00:53" (2/3) ... [2020-10-06 00:00:53,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@581ee017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:00:53, skipping insertion in model container [2020-10-06 00:00:53,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:00:53" (3/3) ... [2020-10-06 00:00:53,903 INFO L109 eAbstractionObserver]: Analyzing ICFG stack_longest-2.i [2020-10-06 00:00:53,915 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 00:00:53,916 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-06 00:00:53,924 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-06 00:00:53,925 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 00:00:53,981 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,982 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,982 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,982 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,982 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,983 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,983 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,983 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,983 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,984 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,984 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,984 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,984 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,984 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,985 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,985 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,985 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,985 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,985 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,986 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,986 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,986 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,986 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,987 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,987 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,987 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,987 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,987 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,988 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,988 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,988 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,988 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,988 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,989 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,989 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,989 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,989 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,989 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,989 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,990 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,990 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,990 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,990 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,991 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,991 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,991 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,991 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,992 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,993 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,993 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,993 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,993 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,994 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,994 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,994 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,994 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,994 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,995 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,995 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,995 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,995 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,996 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,996 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,996 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,997 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,998 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,998 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,998 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,998 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,998 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,999 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,999 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,999 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:53,999 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,000 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,000 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,000 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,000 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,001 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,001 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,001 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,001 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,002 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,002 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,002 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,002 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,002 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,003 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,003 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,003 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,003 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,003 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,004 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,004 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,004 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,004 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,004 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,005 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,005 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,005 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,005 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,006 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,006 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,006 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,006 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,007 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,007 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,007 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,008 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,008 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,008 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,008 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,008 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,009 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,009 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,009 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,009 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,010 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,010 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,014 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,014 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,015 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,015 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,015 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,015 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,016 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,016 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,016 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,016 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,016 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,017 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,017 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,017 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,017 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,017 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,018 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,018 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,018 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,018 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,018 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,018 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,019 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,027 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,028 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,028 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,028 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,028 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,028 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,029 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,029 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,029 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,029 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,029 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,029 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,030 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,030 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,030 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,030 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,030 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,031 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:00:54,059 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-06 00:00:54,083 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 00:00:54,084 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 00:00:54,084 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 00:00:54,084 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 00:00:54,084 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 00:00:54,084 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 00:00:54,084 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 00:00:54,085 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 00:00:54,105 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 138 transitions, 298 flow [2020-10-06 00:00:54,107 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 133 places, 138 transitions, 298 flow [2020-10-06 00:00:54,187 INFO L129 PetriNetUnfolder]: 11/138 cut-off events. [2020-10-06 00:00:54,188 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-06 00:00:54,196 INFO L80 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 138 events. 11/138 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 342 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 106. Up to 3 conditions per place. [2020-10-06 00:00:54,207 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 133 places, 138 transitions, 298 flow [2020-10-06 00:00:54,245 INFO L129 PetriNetUnfolder]: 11/138 cut-off events. [2020-10-06 00:00:54,246 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-06 00:00:54,248 INFO L80 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 138 events. 11/138 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 342 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 106. Up to 3 conditions per place. [2020-10-06 00:00:54,253 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5744 [2020-10-06 00:00:54,255 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 00:00:57,266 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2020-10-06 00:00:57,510 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-06 00:00:57,633 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2020-10-06 00:00:57,890 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-06 00:00:58,100 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-06 00:00:58,112 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7699 [2020-10-06 00:00:58,113 INFO L214 etLargeBlockEncoding]: Total number of compositions: 118 [2020-10-06 00:00:58,116 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 40 transitions, 102 flow [2020-10-06 00:00:58,142 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 331 states. [2020-10-06 00:00:58,144 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states. [2020-10-06 00:00:58,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-06 00:00:58,152 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:00:58,153 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-06 00:00:58,153 INFO L427 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:00:58,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:00:58,160 INFO L82 PathProgramCache]: Analyzing trace with hash -290275557, now seen corresponding path program 1 times [2020-10-06 00:00:58,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:00:58,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263131933] [2020-10-06 00:00:58,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:00:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:00:58,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:00:58,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263131933] [2020-10-06 00:00:58,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:00:58,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 00:00:58,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [473273879] [2020-10-06 00:00:58,441 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:00:58,444 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:00:58,455 INFO L258 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-10-06 00:00:58,455 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:00:58,460 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:00:58,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:00:58,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:00:58,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:00:58,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:00:58,474 INFO L87 Difference]: Start difference. First operand 331 states. Second operand 3 states. [2020-10-06 00:00:58,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:00:58,613 INFO L93 Difference]: Finished difference Result 504 states and 1247 transitions. [2020-10-06 00:00:58,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:00:58,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-06 00:00:58,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:00:58,649 INFO L225 Difference]: With dead ends: 504 [2020-10-06 00:00:58,650 INFO L226 Difference]: Without dead ends: 460 [2020-10-06 00:00:58,651 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:00:58,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2020-10-06 00:00:58,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 420. [2020-10-06 00:00:58,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-10-06 00:00:58,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 1095 transitions. [2020-10-06 00:00:58,759 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 1095 transitions. Word has length 6 [2020-10-06 00:00:58,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:00:58,759 INFO L479 AbstractCegarLoop]: Abstraction has 420 states and 1095 transitions. [2020-10-06 00:00:58,760 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:00:58,760 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 1095 transitions. [2020-10-06 00:00:58,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-06 00:00:58,761 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:00:58,762 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:00:58,763 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-06 00:00:58,766 INFO L427 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:00:58,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:00:58,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1518668221, now seen corresponding path program 1 times [2020-10-06 00:00:58,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:00:58,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831203540] [2020-10-06 00:00:58,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:00:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:00:58,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:00:58,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831203540] [2020-10-06 00:00:58,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:00:58,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 00:00:58,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1653716204] [2020-10-06 00:00:58,858 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:00:58,859 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:00:58,861 INFO L258 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-06 00:00:58,861 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:00:58,861 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:00:58,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:00:58,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:00:58,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:00:58,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:00:58,864 INFO L87 Difference]: Start difference. First operand 420 states and 1095 transitions. Second operand 3 states. [2020-10-06 00:00:58,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:00:58,882 INFO L93 Difference]: Finished difference Result 464 states and 1205 transitions. [2020-10-06 00:00:58,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:00:58,882 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-06 00:00:58,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:00:58,887 INFO L225 Difference]: With dead ends: 464 [2020-10-06 00:00:58,887 INFO L226 Difference]: Without dead ends: 464 [2020-10-06 00:00:58,888 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:00:58,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-10-06 00:00:58,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2020-10-06 00:00:58,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2020-10-06 00:00:58,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 1205 transitions. [2020-10-06 00:00:58,922 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 1205 transitions. Word has length 10 [2020-10-06 00:00:58,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:00:58,922 INFO L479 AbstractCegarLoop]: Abstraction has 464 states and 1205 transitions. [2020-10-06 00:00:58,922 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:00:58,923 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1205 transitions. [2020-10-06 00:00:58,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-06 00:00:58,924 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:00:58,925 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:00:58,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-06 00:00:58,925 INFO L427 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:00:58,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:00:58,925 INFO L82 PathProgramCache]: Analyzing trace with hash 542344755, now seen corresponding path program 1 times [2020-10-06 00:00:58,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:00:58,927 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609060767] [2020-10-06 00:00:58,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:00:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:00:59,041 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:00:59,042 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609060767] [2020-10-06 00:00:59,042 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705810598] [2020-10-06 00:00:59,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 00:00:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:00:59,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-06 00:00:59,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-06 00:00:59,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:00:59,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-06 00:00:59,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-10-06 00:00:59,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [589144614] [2020-10-06 00:00:59,279 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:00:59,284 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:00:59,288 INFO L258 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2020-10-06 00:00:59,289 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:00:59,289 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:00:59,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 00:00:59,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:00:59,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 00:00:59,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-06 00:00:59,291 INFO L87 Difference]: Start difference. First operand 464 states and 1205 transitions. Second operand 5 states. [2020-10-06 00:00:59,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:00:59,421 INFO L93 Difference]: Finished difference Result 775 states and 1949 transitions. [2020-10-06 00:00:59,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:00:59,422 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-06 00:00:59,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:00:59,432 INFO L225 Difference]: With dead ends: 775 [2020-10-06 00:00:59,432 INFO L226 Difference]: Without dead ends: 775 [2020-10-06 00:00:59,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-06 00:00:59,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2020-10-06 00:00:59,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 592. [2020-10-06 00:00:59,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-10-06 00:00:59,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 1551 transitions. [2020-10-06 00:00:59,473 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 1551 transitions. Word has length 13 [2020-10-06 00:00:59,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:00:59,474 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 1551 transitions. [2020-10-06 00:00:59,474 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 00:00:59,474 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 1551 transitions. [2020-10-06 00:00:59,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-06 00:00:59,482 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:00:59,482 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:00:59,696 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-06 00:00:59,697 INFO L427 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:00:59,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:00:59,698 INFO L82 PathProgramCache]: Analyzing trace with hash 843892794, now seen corresponding path program 1 times [2020-10-06 00:00:59,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:00:59,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346413826] [2020-10-06 00:00:59,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:00:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:00:59,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:00:59,789 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346413826] [2020-10-06 00:00:59,789 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:00:59,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:00:59,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2047294681] [2020-10-06 00:00:59,790 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:00:59,793 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:00:59,797 INFO L258 McrAutomatonBuilder]: Finished intersection with 25 states and 32 transitions. [2020-10-06 00:00:59,798 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:00:59,836 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:00:59,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:00:59,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:00:59,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:00:59,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:00:59,837 INFO L87 Difference]: Start difference. First operand 592 states and 1551 transitions. Second operand 3 states. [2020-10-06 00:00:59,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:00:59,861 INFO L93 Difference]: Finished difference Result 311 states and 689 transitions. [2020-10-06 00:00:59,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:00:59,862 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-10-06 00:00:59,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:00:59,864 INFO L225 Difference]: With dead ends: 311 [2020-10-06 00:00:59,865 INFO L226 Difference]: Without dead ends: 311 [2020-10-06 00:00:59,865 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:00:59,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2020-10-06 00:00:59,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 301. [2020-10-06 00:00:59,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-10-06 00:00:59,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 662 transitions. [2020-10-06 00:00:59,876 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 662 transitions. Word has length 16 [2020-10-06 00:00:59,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:00:59,876 INFO L479 AbstractCegarLoop]: Abstraction has 301 states and 662 transitions. [2020-10-06 00:00:59,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:00:59,877 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 662 transitions. [2020-10-06 00:00:59,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-06 00:00:59,878 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:00:59,878 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:00:59,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-06 00:00:59,878 INFO L427 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:00:59,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:00:59,879 INFO L82 PathProgramCache]: Analyzing trace with hash -960478475, now seen corresponding path program 1 times [2020-10-06 00:00:59,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:00:59,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899609176] [2020-10-06 00:00:59,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:00:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:00:59,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:00:59,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899609176] [2020-10-06 00:00:59,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:00:59,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:00:59,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [427855144] [2020-10-06 00:00:59,934 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:00:59,937 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:00:59,942 INFO L258 McrAutomatonBuilder]: Finished intersection with 27 states and 35 transitions. [2020-10-06 00:00:59,943 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:00:59,944 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:00:59,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:00:59,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:00:59,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:00:59,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:00:59,946 INFO L87 Difference]: Start difference. First operand 301 states and 662 transitions. Second operand 3 states. [2020-10-06 00:00:59,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:00:59,984 INFO L93 Difference]: Finished difference Result 379 states and 830 transitions. [2020-10-06 00:00:59,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:00:59,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-06 00:00:59,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:00:59,987 INFO L225 Difference]: With dead ends: 379 [2020-10-06 00:00:59,988 INFO L226 Difference]: Without dead ends: 379 [2020-10-06 00:00:59,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:00:59,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2020-10-06 00:00:59,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 319. [2020-10-06 00:00:59,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-10-06 00:01:00,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 695 transitions. [2020-10-06 00:01:00,000 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 695 transitions. Word has length 17 [2020-10-06 00:01:00,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:01:00,002 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 695 transitions. [2020-10-06 00:01:00,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:01:00,002 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 695 transitions. [2020-10-06 00:01:00,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-06 00:01:00,003 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:01:00,004 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-06 00:01:00,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-06 00:01:00,004 INFO L427 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:01:00,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:01:00,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1582230501, now seen corresponding path program 2 times [2020-10-06 00:01:00,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:01:00,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220834741] [2020-10-06 00:01:00,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:01:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:01:00,089 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:01:00,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220834741] [2020-10-06 00:01:00,090 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490572281] [2020-10-06 00:01:00,090 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 00:01:00,180 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-06 00:01:00,181 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-06 00:01:00,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-06 00:01:00,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-06 00:01:00,214 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:01:00,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-06 00:01:00,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-10-06 00:01:00,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [132314130] [2020-10-06 00:01:00,215 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:01:00,219 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:01:00,224 INFO L258 McrAutomatonBuilder]: Finished intersection with 21 states and 20 transitions. [2020-10-06 00:01:00,225 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:01:00,225 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:01:00,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-06 00:01:00,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:01:00,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-06 00:01:00,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-06 00:01:00,227 INFO L87 Difference]: Start difference. First operand 319 states and 695 transitions. Second operand 7 states. [2020-10-06 00:01:00,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:01:00,315 INFO L93 Difference]: Finished difference Result 520 states and 1122 transitions. [2020-10-06 00:01:00,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-06 00:01:00,316 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-10-06 00:01:00,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:01:00,320 INFO L225 Difference]: With dead ends: 520 [2020-10-06 00:01:00,320 INFO L226 Difference]: Without dead ends: 520 [2020-10-06 00:01:00,320 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-06 00:01:00,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2020-10-06 00:01:00,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 396. [2020-10-06 00:01:00,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2020-10-06 00:01:00,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 864 transitions. [2020-10-06 00:01:00,333 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 864 transitions. Word has length 20 [2020-10-06 00:01:00,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:01:00,334 INFO L479 AbstractCegarLoop]: Abstraction has 396 states and 864 transitions. [2020-10-06 00:01:00,334 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-06 00:01:00,334 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 864 transitions. [2020-10-06 00:01:00,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-06 00:01:00,335 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:01:00,335 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:01:00,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 00:01:00,549 INFO L427 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:01:00,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:01:00,550 INFO L82 PathProgramCache]: Analyzing trace with hash 69417077, now seen corresponding path program 1 times [2020-10-06 00:01:00,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:01:00,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786903261] [2020-10-06 00:01:00,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:01:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:01:00,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:01:00,953 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786903261] [2020-10-06 00:01:00,954 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:01:00,954 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-06 00:01:00,954 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1623251980] [2020-10-06 00:01:00,954 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:01:00,958 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:01:00,965 INFO L258 McrAutomatonBuilder]: Finished intersection with 31 states and 39 transitions. [2020-10-06 00:01:00,965 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:01:01,001 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:01:01,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-06 00:01:01,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:01:01,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-06 00:01:01,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-06 00:01:01,003 INFO L87 Difference]: Start difference. First operand 396 states and 864 transitions. Second operand 9 states. [2020-10-06 00:01:01,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:01:01,274 INFO L93 Difference]: Finished difference Result 602 states and 1308 transitions. [2020-10-06 00:01:01,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-06 00:01:01,275 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-10-06 00:01:01,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:01:01,279 INFO L225 Difference]: With dead ends: 602 [2020-10-06 00:01:01,279 INFO L226 Difference]: Without dead ends: 520 [2020-10-06 00:01:01,280 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-06 00:01:01,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2020-10-06 00:01:01,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 424. [2020-10-06 00:01:01,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-10-06 00:01:01,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 924 transitions. [2020-10-06 00:01:01,296 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 924 transitions. Word has length 21 [2020-10-06 00:01:01,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:01:01,296 INFO L479 AbstractCegarLoop]: Abstraction has 424 states and 924 transitions. [2020-10-06 00:01:01,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-06 00:01:01,296 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 924 transitions. [2020-10-06 00:01:01,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-06 00:01:01,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:01:01,298 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:01:01,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-06 00:01:01,298 INFO L427 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:01:01,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:01:01,298 INFO L82 PathProgramCache]: Analyzing trace with hash 2126692033, now seen corresponding path program 1 times [2020-10-06 00:01:01,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:01:01,300 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432446576] [2020-10-06 00:01:01,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:01:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:01:01,368 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:01:01,369 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432446576] [2020-10-06 00:01:01,369 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545549402] [2020-10-06 00:01:01,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 00:01:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:01:01,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-06 00:01:01,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-06 00:01:01,491 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-06 00:01:01,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-06 00:01:01,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2020-10-06 00:01:01,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2084446366] [2020-10-06 00:01:01,493 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:01:01,498 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:01:01,509 INFO L258 McrAutomatonBuilder]: Finished intersection with 34 states and 42 transitions. [2020-10-06 00:01:01,509 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:01:01,538 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:01:01,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-06 00:01:01,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:01:01,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-06 00:01:01,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-06 00:01:01,540 INFO L87 Difference]: Start difference. First operand 424 states and 924 transitions. Second operand 6 states. [2020-10-06 00:01:01,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:01:01,618 INFO L93 Difference]: Finished difference Result 647 states and 1381 transitions. [2020-10-06 00:01:01,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-06 00:01:01,619 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-10-06 00:01:01,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:01:01,624 INFO L225 Difference]: With dead ends: 647 [2020-10-06 00:01:01,624 INFO L226 Difference]: Without dead ends: 632 [2020-10-06 00:01:01,624 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-06 00:01:01,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2020-10-06 00:01:01,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 460. [2020-10-06 00:01:01,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2020-10-06 00:01:01,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 996 transitions. [2020-10-06 00:01:01,641 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 996 transitions. Word has length 24 [2020-10-06 00:01:01,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:01:01,642 INFO L479 AbstractCegarLoop]: Abstraction has 460 states and 996 transitions. [2020-10-06 00:01:01,642 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-06 00:01:01,642 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 996 transitions. [2020-10-06 00:01:01,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-06 00:01:01,643 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:01:01,643 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2020-10-06 00:01:01,856 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 00:01:01,856 INFO L427 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:01:01,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:01:01,858 INFO L82 PathProgramCache]: Analyzing trace with hash 2004586803, now seen corresponding path program 3 times [2020-10-06 00:01:01,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:01:01,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724232195] [2020-10-06 00:01:01,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:01:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:01:01,947 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:01:01,947 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724232195] [2020-10-06 00:01:01,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666656188] [2020-10-06 00:01:01,948 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 00:01:02,057 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-10-06 00:01:02,057 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-06 00:01:02,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-06 00:01:02,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-06 00:01:02,094 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:01:02,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-06 00:01:02,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2020-10-06 00:01:02,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1461672116] [2020-10-06 00:01:02,095 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:01:02,101 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:01:02,111 INFO L258 McrAutomatonBuilder]: Finished intersection with 28 states and 27 transitions. [2020-10-06 00:01:02,111 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:01:02,112 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:01:02,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-06 00:01:02,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:01:02,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-06 00:01:02,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-06 00:01:02,114 INFO L87 Difference]: Start difference. First operand 460 states and 996 transitions. Second operand 9 states. [2020-10-06 00:01:02,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:01:02,274 INFO L93 Difference]: Finished difference Result 759 states and 1615 transitions. [2020-10-06 00:01:02,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-06 00:01:02,275 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2020-10-06 00:01:02,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:01:02,280 INFO L225 Difference]: With dead ends: 759 [2020-10-06 00:01:02,280 INFO L226 Difference]: Without dead ends: 759 [2020-10-06 00:01:02,281 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2020-10-06 00:01:02,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2020-10-06 00:01:02,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 553. [2020-10-06 00:01:02,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2020-10-06 00:01:02,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 1211 transitions. [2020-10-06 00:01:02,300 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 1211 transitions. Word has length 27 [2020-10-06 00:01:02,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:01:02,301 INFO L479 AbstractCegarLoop]: Abstraction has 553 states and 1211 transitions. [2020-10-06 00:01:02,301 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-06 00:01:02,301 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 1211 transitions. [2020-10-06 00:01:02,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-06 00:01:02,303 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:01:02,303 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:01:02,516 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 00:01:02,517 INFO L427 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:01:02,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:01:02,517 INFO L82 PathProgramCache]: Analyzing trace with hash -408396195, now seen corresponding path program 2 times [2020-10-06 00:01:02,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:01:02,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355577237] [2020-10-06 00:01:02,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:01:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:01:03,021 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-06 00:01:03,023 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355577237] [2020-10-06 00:01:03,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:01:03,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-06 00:01:03,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [299787982] [2020-10-06 00:01:03,024 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:01:03,029 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:01:03,040 INFO L258 McrAutomatonBuilder]: Finished intersection with 38 states and 46 transitions. [2020-10-06 00:01:03,041 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:01:03,140 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [13950#(and (<= (select (select |#memory_int| |~#arr~0.base|) (* |t1Thread1of1ForFork0_inc_top_#t~post30| 4)) 799) (<= 0 (select (select |#memory_int| |~#arr~0.base|) (* |t1Thread1of1ForFork0_inc_top_#t~post30| 4))) (= |~#arr~0.offset| 0)), 13951#(and (<= 0 (select (select |#memory_int| |~#arr~0.base|) (* ~top~0 4))) (<= (select (select |#memory_int| |~#arr~0.base|) (* ~top~0 4)) 799) (= |~#arr~0.offset| 0))] [2020-10-06 00:01:03,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-06 00:01:03,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:01:03,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-06 00:01:03,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2020-10-06 00:01:03,141 INFO L87 Difference]: Start difference. First operand 553 states and 1211 transitions. Second operand 17 states. [2020-10-06 00:01:05,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:01:05,083 INFO L93 Difference]: Finished difference Result 868 states and 1864 transitions. [2020-10-06 00:01:05,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-06 00:01:05,083 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 28 [2020-10-06 00:01:05,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:01:05,088 INFO L225 Difference]: With dead ends: 868 [2020-10-06 00:01:05,089 INFO L226 Difference]: Without dead ends: 828 [2020-10-06 00:01:05,090 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=276, Invalid=1206, Unknown=0, NotChecked=0, Total=1482 [2020-10-06 00:01:05,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-10-06 00:01:05,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 563. [2020-10-06 00:01:05,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-10-06 00:01:05,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 1242 transitions. [2020-10-06 00:01:05,110 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 1242 transitions. Word has length 28 [2020-10-06 00:01:05,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:01:05,110 INFO L479 AbstractCegarLoop]: Abstraction has 563 states and 1242 transitions. [2020-10-06 00:01:05,111 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-06 00:01:05,111 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1242 transitions. [2020-10-06 00:01:05,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-06 00:01:05,113 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:01:05,113 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:01:05,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-06 00:01:05,113 INFO L427 AbstractCegarLoop]: === Iteration 11 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:01:05,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:01:05,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1113124825, now seen corresponding path program 2 times [2020-10-06 00:01:05,120 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:01:05,120 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192919040] [2020-10-06 00:01:05,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:01:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:01:05,205 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-06 00:01:05,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192919040] [2020-10-06 00:01:05,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671797599] [2020-10-06 00:01:05,206 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 00:01:05,319 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-06 00:01:05,319 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-06 00:01:05,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-06 00:01:05,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-06 00:01:05,358 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-06 00:01:05,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-06 00:01:05,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-10-06 00:01:05,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1880583948] [2020-10-06 00:01:05,361 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:01:05,367 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:01:05,381 INFO L258 McrAutomatonBuilder]: Finished intersection with 41 states and 49 transitions. [2020-10-06 00:01:05,382 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:01:05,426 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:01:05,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-06 00:01:05,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:01:05,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-06 00:01:05,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-06 00:01:05,427 INFO L87 Difference]: Start difference. First operand 563 states and 1242 transitions. Second operand 8 states. [2020-10-06 00:01:05,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:01:05,539 INFO L93 Difference]: Finished difference Result 831 states and 1775 transitions. [2020-10-06 00:01:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-06 00:01:05,539 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2020-10-06 00:01:05,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:01:05,544 INFO L225 Difference]: With dead ends: 831 [2020-10-06 00:01:05,544 INFO L226 Difference]: Without dead ends: 831 [2020-10-06 00:01:05,545 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2020-10-06 00:01:05,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2020-10-06 00:01:05,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 607. [2020-10-06 00:01:05,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2020-10-06 00:01:05,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 1366 transitions. [2020-10-06 00:01:05,566 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 1366 transitions. Word has length 31 [2020-10-06 00:01:05,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:01:05,567 INFO L479 AbstractCegarLoop]: Abstraction has 607 states and 1366 transitions. [2020-10-06 00:01:05,567 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-06 00:01:05,567 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 1366 transitions. [2020-10-06 00:01:05,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-06 00:01:05,568 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:01:05,569 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2020-10-06 00:01:05,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-10-06 00:01:05,783 INFO L427 AbstractCegarLoop]: === Iteration 12 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:01:05,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:01:05,784 INFO L82 PathProgramCache]: Analyzing trace with hash 443984155, now seen corresponding path program 4 times [2020-10-06 00:01:05,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:01:05,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046095249] [2020-10-06 00:01:05,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:01:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:01:05,945 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:01:05,945 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046095249] [2020-10-06 00:01:05,945 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019404814] [2020-10-06 00:01:05,946 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 00:01:06,042 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-06 00:01:06,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-06 00:01:06,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-06 00:01:06,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-06 00:01:06,091 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:01:06,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-06 00:01:06,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 12 [2020-10-06 00:01:06,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1397624303] [2020-10-06 00:01:06,092 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:01:06,104 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:01:06,117 INFO L258 McrAutomatonBuilder]: Finished intersection with 35 states and 34 transitions. [2020-10-06 00:01:06,117 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:01:06,119 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:01:06,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-06 00:01:06,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:01:06,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-06 00:01:06,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-06 00:01:06,121 INFO L87 Difference]: Start difference. First operand 607 states and 1366 transitions. Second operand 11 states. [2020-10-06 00:01:06,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:01:06,261 INFO L93 Difference]: Finished difference Result 913 states and 1978 transitions. [2020-10-06 00:01:06,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-06 00:01:06,261 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 34 [2020-10-06 00:01:06,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:01:06,267 INFO L225 Difference]: With dead ends: 913 [2020-10-06 00:01:06,267 INFO L226 Difference]: Without dead ends: 913 [2020-10-06 00:01:06,268 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2020-10-06 00:01:06,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2020-10-06 00:01:06,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 684. [2020-10-06 00:01:06,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 684 states. [2020-10-06 00:01:06,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 1535 transitions. [2020-10-06 00:01:06,289 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 1535 transitions. Word has length 34 [2020-10-06 00:01:06,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:01:06,290 INFO L479 AbstractCegarLoop]: Abstraction has 684 states and 1535 transitions. [2020-10-06 00:01:06,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-06 00:01:06,290 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1535 transitions. [2020-10-06 00:01:06,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-06 00:01:06,293 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:01:06,293 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:01:06,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 00:01:06,508 INFO L427 AbstractCegarLoop]: === Iteration 13 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:01:06,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:01:06,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1975916590, now seen corresponding path program 1 times [2020-10-06 00:01:06,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:01:06,511 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206155549] [2020-10-06 00:01:06,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:01:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:01:06,707 ERROR L253 erpolLogProxyWrapper]: Interpolant 25 not inductive [2020-10-06 00:01:06,741 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-06 00:01:06,742 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: generated interpolants did not pass sanity check at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:876) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-10-06 00:01:06,747 INFO L168 Benchmark]: Toolchain (without parser) took 14656.13 ms. Allocated memory was 141.0 MB in the beginning and 338.2 MB in the end (delta: 197.1 MB). Free memory was 100.6 MB in the beginning and 91.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 206.1 MB. Max. memory is 7.1 GB. [2020-10-06 00:01:06,748 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-06 00:01:06,749 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1012.01 ms. Allocated memory was 141.0 MB in the beginning and 206.0 MB in the end (delta: 65.0 MB). Free memory was 100.2 MB in the beginning and 137.2 MB in the end (delta: -37.0 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2020-10-06 00:01:06,750 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.71 ms. Allocated memory is still 206.0 MB. Free memory was 137.2 MB in the beginning and 134.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2020-10-06 00:01:06,750 INFO L168 Benchmark]: Boogie Preprocessor took 50.10 ms. Allocated memory is still 206.0 MB. Free memory was 134.0 MB in the beginning and 132.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-06 00:01:06,751 INFO L168 Benchmark]: RCFGBuilder took 606.46 ms. Allocated memory is still 206.0 MB. Free memory was 132.0 MB in the beginning and 99.9 MB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. [2020-10-06 00:01:06,752 INFO L168 Benchmark]: TraceAbstraction took 12849.58 ms. Allocated memory was 206.0 MB in the beginning and 338.2 MB in the end (delta: 132.1 MB). Free memory was 99.3 MB in the beginning and 91.6 MB in the end (delta: 7.6 MB). Peak memory consumption was 139.7 MB. Max. memory is 7.1 GB. [2020-10-06 00:01:06,755 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1012.01 ms. Allocated memory was 141.0 MB in the beginning and 206.0 MB in the end (delta: 65.0 MB). Free memory was 100.2 MB in the beginning and 137.2 MB in the end (delta: -37.0 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 131.71 ms. Allocated memory is still 206.0 MB. Free memory was 137.2 MB in the beginning and 134.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.10 ms. Allocated memory is still 206.0 MB. Free memory was 134.0 MB in the beginning and 132.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 606.46 ms. Allocated memory is still 206.0 MB. Free memory was 132.0 MB in the beginning and 99.9 MB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12849.58 ms. Allocated memory was 206.0 MB in the beginning and 338.2 MB in the end (delta: 132.1 MB). Free memory was 99.3 MB in the beginning and 91.6 MB in the end (delta: 7.6 MB). Peak memory consumption was 139.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.0s, 133 ProgramPointsBefore, 40 ProgramPointsAfterwards, 138 TransitionsBefore, 40 TransitionsAfterwards, 5744 CoEnabledTransitionPairs, 7 FixpointIterations, 26 TrivialSequentialCompositions, 75 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 17 ConcurrentYvCompositions, 5 ChoiceCompositions, 3038 VarBasedMoverChecksPositive, 46 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 7699 CheckedPairsTotal, 118 TotalNumberOfCompositions - ExceptionOrErrorResult: SMTLIBException: generated interpolants did not pass sanity check de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: generated interpolants did not pass sanity check: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...