/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe008_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 04:26:49,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 04:26:49,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 04:26:49,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 04:26:49,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 04:26:49,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 04:26:49,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 04:26:49,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 04:26:49,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 04:26:49,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 04:26:49,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 04:26:49,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 04:26:49,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 04:26:49,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 04:26:49,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 04:26:49,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 04:26:49,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 04:26:49,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 04:26:49,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 04:26:49,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 04:26:49,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 04:26:49,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 04:26:49,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 04:26:49,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 04:26:49,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-28 04:26:49,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 04:26:49,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 04:26:49,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 04:26:49,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 04:26:49,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 04:26:49,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 04:26:49,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 04:26:49,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 04:26:49,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 04:26:49,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 04:26:49,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 04:26:49,900 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf [2019-12-28 04:26:49,932 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 04:26:49,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 04:26:49,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 04:26:49,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 04:26:49,934 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 04:26:49,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 04:26:49,935 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 04:26:49,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 04:26:49,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 04:26:49,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 04:26:49,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 04:26:49,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 04:26:49,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 04:26:49,940 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 04:26:49,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 04:26:49,940 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 04:26:49,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 04:26:49,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 04:26:49,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 04:26:49,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 04:26:49,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 04:26:49,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 04:26:49,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 04:26:49,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 04:26:49,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 04:26:49,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 04:26:49,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 04:26:49,943 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 04:26:49,943 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 04:26:49,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 04:26:49,944 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 04:26:49,944 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 04:26:50,220 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 04:26:50,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 04:26:50,241 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 04:26:50,243 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 04:26:50,246 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 04:26:50,247 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe008_tso.oepc.i [2019-12-28 04:26:50,317 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a9ed9bd4/eb35b8065777428ea5c190bb39922766/FLAGcb4bf0c51 [2019-12-28 04:26:50,841 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 04:26:50,842 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe008_tso.oepc.i [2019-12-28 04:26:50,858 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a9ed9bd4/eb35b8065777428ea5c190bb39922766/FLAGcb4bf0c51 [2019-12-28 04:26:51,162 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a9ed9bd4/eb35b8065777428ea5c190bb39922766 [2019-12-28 04:26:51,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 04:26:51,172 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 04:26:51,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 04:26:51,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 04:26:51,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 04:26:51,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:26:51" (1/1) ... [2019-12-28 04:26:51,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fae352c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:26:51, skipping insertion in model container [2019-12-28 04:26:51,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:26:51" (1/1) ... [2019-12-28 04:26:51,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 04:26:51,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 04:26:51,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 04:26:51,731 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 04:26:51,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 04:26:51,889 INFO L208 MainTranslator]: Completed translation [2019-12-28 04:26:51,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:26:51 WrapperNode [2019-12-28 04:26:51,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 04:26:51,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 04:26:51,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 04:26:51,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 04:26:51,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:26:51" (1/1) ... [2019-12-28 04:26:51,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:26:51" (1/1) ... [2019-12-28 04:26:51,946 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 04:26:51,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 04:26:51,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 04:26:51,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 04:26:51,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:26:51" (1/1) ... [2019-12-28 04:26:51,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:26:51" (1/1) ... [2019-12-28 04:26:51,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:26:51" (1/1) ... [2019-12-28 04:26:51,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:26:51" (1/1) ... [2019-12-28 04:26:51,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:26:51" (1/1) ... [2019-12-28 04:26:51,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:26:51" (1/1) ... [2019-12-28 04:26:51,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:26:51" (1/1) ... [2019-12-28 04:26:51,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 04:26:51,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 04:26:51,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 04:26:51,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 04:26:51,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:26:51" (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 [2019-12-28 04:26:52,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 04:26:52,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 04:26:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 04:26:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 04:26:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-28 04:26:52,048 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-28 04:26:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-28 04:26:52,049 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-28 04:26:52,049 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-28 04:26:52,049 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-28 04:26:52,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 04:26:52,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 04:26:52,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 04:26:52,051 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-28 04:26:52,410 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 04:26:52,410 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-28 04:26:52,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:26:52 BoogieIcfgContainer [2019-12-28 04:26:52,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 04:26:52,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 04:26:52,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 04:26:52,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 04:26:52,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:26:51" (1/3) ... [2019-12-28 04:26:52,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd98926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:26:52, skipping insertion in model container [2019-12-28 04:26:52,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:26:51" (2/3) ... [2019-12-28 04:26:52,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd98926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:26:52, skipping insertion in model container [2019-12-28 04:26:52,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:26:52" (3/3) ... [2019-12-28 04:26:52,421 INFO L109 eAbstractionObserver]: Analyzing ICFG safe008_tso.oepc.i [2019-12-28 04:26:52,431 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 04:26:52,432 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 04:26:52,440 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-28 04:26:52,441 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 04:26:52,470 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,471 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,471 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,471 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,472 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,472 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,473 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,473 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,473 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,473 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,474 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,474 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,474 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,475 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,475 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,475 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,475 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,476 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,481 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,481 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,482 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,482 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,499 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,499 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,499 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,500 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,502 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,502 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,502 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,503 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:26:52,516 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-28 04:26:52,541 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 04:26:52,541 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 04:26:52,541 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 04:26:52,542 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 04:26:52,542 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 04:26:52,543 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 04:26:52,544 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 04:26:52,544 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 04:26:52,555 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 63 places, 54 transitions [2019-12-28 04:26:52,637 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1248 states. [2019-12-28 04:26:52,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states. [2019-12-28 04:26:52,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-28 04:26:52,657 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:26:52,658 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:26:52,658 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:26:52,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:26:52,665 INFO L82 PathProgramCache]: Analyzing trace with hash -771073264, now seen corresponding path program 1 times [2019-12-28 04:26:52,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:26:52,677 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050808333] [2019-12-28 04:26:52,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:26:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:26:53,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:26:53,029 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050808333] [2019-12-28 04:26:53,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:26:53,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 04:26:53,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [826323948] [2019-12-28 04:26:53,033 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:26:53,043 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:26:53,072 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 32 states and 31 transitions. [2019-12-28 04:26:53,073 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:26:53,079 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:26:53,079 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 04:26:53,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:26:53,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 04:26:53,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 04:26:53,095 INFO L87 Difference]: Start difference. First operand 1248 states. Second operand 4 states. [2019-12-28 04:26:53,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:26:53,199 INFO L93 Difference]: Finished difference Result 1295 states and 3961 transitions. [2019-12-28 04:26:53,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-28 04:26:53,201 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-12-28 04:26:53,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:26:53,224 INFO L225 Difference]: With dead ends: 1295 [2019-12-28 04:26:53,224 INFO L226 Difference]: Without dead ends: 601 [2019-12-28 04:26:53,226 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-28 04:26:53,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2019-12-28 04:26:53,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2019-12-28 04:26:53,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2019-12-28 04:26:53,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1776 transitions. [2019-12-28 04:26:53,343 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1776 transitions. Word has length 31 [2019-12-28 04:26:53,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:26:53,344 INFO L462 AbstractCegarLoop]: Abstraction has 601 states and 1776 transitions. [2019-12-28 04:26:53,345 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-28 04:26:53,345 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1776 transitions. [2019-12-28 04:26:53,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-28 04:26:53,353 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:26:53,353 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:26:53,354 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:26:53,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:26:53,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1342943045, now seen corresponding path program 1 times [2019-12-28 04:26:53,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:26:53,356 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166081574] [2019-12-28 04:26:53,356 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:26:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:26:53,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:26:53,539 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166081574] [2019-12-28 04:26:53,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:26:53,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 04:26:53,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1914482829] [2019-12-28 04:26:53,541 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:26:53,546 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:26:53,552 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 37 states and 40 transitions. [2019-12-28 04:26:53,552 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:26:53,554 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:26:53,563 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 04:26:53,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:26:53,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 04:26:53,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-28 04:26:53,565 INFO L87 Difference]: Start difference. First operand 601 states and 1776 transitions. Second operand 5 states. [2019-12-28 04:26:53,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:26:53,651 INFO L93 Difference]: Finished difference Result 601 states and 1695 transitions. [2019-12-28 04:26:53,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-28 04:26:53,651 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-12-28 04:26:53,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:26:53,657 INFO L225 Difference]: With dead ends: 601 [2019-12-28 04:26:53,657 INFO L226 Difference]: Without dead ends: 538 [2019-12-28 04:26:53,658 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-28 04:26:53,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-12-28 04:26:53,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-12-28 04:26:53,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-12-28 04:26:53,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1545 transitions. [2019-12-28 04:26:53,688 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1545 transitions. Word has length 32 [2019-12-28 04:26:53,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:26:53,689 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 1545 transitions. [2019-12-28 04:26:53,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 04:26:53,689 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1545 transitions. [2019-12-28 04:26:53,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-28 04:26:53,691 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:26:53,691 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:26:53,691 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:26:53,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:26:53,692 INFO L82 PathProgramCache]: Analyzing trace with hash -837131723, now seen corresponding path program 1 times [2019-12-28 04:26:53,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:26:53,693 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389822821] [2019-12-28 04:26:53,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:26:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:26:53,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:26:53,855 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389822821] [2019-12-28 04:26:53,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:26:53,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 04:26:53,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [734142981] [2019-12-28 04:26:53,856 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:26:53,860 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:26:53,866 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 42 states and 49 transitions. [2019-12-28 04:26:53,866 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:26:53,950 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-28 04:26:53,951 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 04:26:53,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:26:53,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 04:26:53,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-28 04:26:53,952 INFO L87 Difference]: Start difference. First operand 538 states and 1545 transitions. Second operand 7 states. [2019-12-28 04:26:54,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:26:54,078 INFO L93 Difference]: Finished difference Result 403 states and 1059 transitions. [2019-12-28 04:26:54,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:26:54,078 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-12-28 04:26:54,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:26:54,082 INFO L225 Difference]: With dead ends: 403 [2019-12-28 04:26:54,082 INFO L226 Difference]: Without dead ends: 349 [2019-12-28 04:26:54,082 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2019-12-28 04:26:54,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-12-28 04:26:54,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2019-12-28 04:26:54,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-12-28 04:26:54,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 915 transitions. [2019-12-28 04:26:54,109 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 915 transitions. Word has length 33 [2019-12-28 04:26:54,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:26:54,109 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 915 transitions. [2019-12-28 04:26:54,110 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 04:26:54,110 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 915 transitions. [2019-12-28 04:26:54,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 04:26:54,115 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:26:54,116 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:26:54,116 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:26:54,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:26:54,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1670484431, now seen corresponding path program 1 times [2019-12-28 04:26:54,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:26:54,118 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563233427] [2019-12-28 04:26:54,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:26:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:26:54,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:26:54,343 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563233427] [2019-12-28 04:26:54,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:26:54,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 04:26:54,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [161852320] [2019-12-28 04:26:54,345 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:26:54,351 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:26:54,359 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 43 states and 50 transitions. [2019-12-28 04:26:54,360 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:26:54,360 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:26:54,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 04:26:54,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:26:54,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 04:26:54,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-28 04:26:54,362 INFO L87 Difference]: Start difference. First operand 349 states and 915 transitions. Second operand 6 states. [2019-12-28 04:26:54,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:26:54,533 INFO L93 Difference]: Finished difference Result 529 states and 1416 transitions. [2019-12-28 04:26:54,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-28 04:26:54,534 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-12-28 04:26:54,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:26:54,538 INFO L225 Difference]: With dead ends: 529 [2019-12-28 04:26:54,538 INFO L226 Difference]: Without dead ends: 322 [2019-12-28 04:26:54,539 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-28 04:26:54,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2019-12-28 04:26:54,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 304. [2019-12-28 04:26:54,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2019-12-28 04:26:54,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 780 transitions. [2019-12-28 04:26:54,554 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 780 transitions. Word has length 34 [2019-12-28 04:26:54,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:26:54,555 INFO L462 AbstractCegarLoop]: Abstraction has 304 states and 780 transitions. [2019-12-28 04:26:54,555 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 04:26:54,555 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 780 transitions. [2019-12-28 04:26:54,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 04:26:54,556 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:26:54,556 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:26:54,556 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:26:54,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:26:54,557 INFO L82 PathProgramCache]: Analyzing trace with hash -198763125, now seen corresponding path program 2 times [2019-12-28 04:26:54,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:26:54,558 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862130766] [2019-12-28 04:26:54,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:26:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:26:54,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:26:54,706 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862130766] [2019-12-28 04:26:54,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:26:54,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-28 04:26:54,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2108998675] [2019-12-28 04:26:54,707 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:26:54,711 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:26:54,716 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 39 states and 42 transitions. [2019-12-28 04:26:54,716 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:26:54,717 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:26:54,717 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 04:26:54,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:26:54,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 04:26:54,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-28 04:26:54,718 INFO L87 Difference]: Start difference. First operand 304 states and 780 transitions. Second operand 8 states. [2019-12-28 04:26:54,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:26:54,854 INFO L93 Difference]: Finished difference Result 466 states and 1239 transitions. [2019-12-28 04:26:54,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:26:54,855 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-12-28 04:26:54,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:26:54,859 INFO L225 Difference]: With dead ends: 466 [2019-12-28 04:26:54,859 INFO L226 Difference]: Without dead ends: 280 [2019-12-28 04:26:54,860 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-12-28 04:26:54,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2019-12-28 04:26:54,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 280. [2019-12-28 04:26:54,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-12-28 04:26:54,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 726 transitions. [2019-12-28 04:26:54,870 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 726 transitions. Word has length 34 [2019-12-28 04:26:54,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:26:54,871 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 726 transitions. [2019-12-28 04:26:54,871 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 04:26:54,871 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 726 transitions. [2019-12-28 04:26:54,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 04:26:54,872 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:26:54,873 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:26:54,873 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:26:54,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:26:54,873 INFO L82 PathProgramCache]: Analyzing trace with hash 72488813, now seen corresponding path program 3 times [2019-12-28 04:26:54,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:26:54,874 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660017343] [2019-12-28 04:26:54,875 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:26:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:26:55,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:26:55,030 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660017343] [2019-12-28 04:26:55,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:26:55,030 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 04:26:55,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1147500606] [2019-12-28 04:26:55,031 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:26:55,034 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:26:55,040 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 43 states and 50 transitions. [2019-12-28 04:26:55,041 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:26:55,041 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:26:55,042 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 04:26:55,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:26:55,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 04:26:55,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-12-28 04:26:55,043 INFO L87 Difference]: Start difference. First operand 280 states and 726 transitions. Second operand 7 states. [2019-12-28 04:26:55,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:26:55,150 INFO L93 Difference]: Finished difference Result 451 states and 1206 transitions. [2019-12-28 04:26:55,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:26:55,150 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-12-28 04:26:55,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:26:55,153 INFO L225 Difference]: With dead ends: 451 [2019-12-28 04:26:55,153 INFO L226 Difference]: Without dead ends: 253 [2019-12-28 04:26:55,154 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-12-28 04:26:55,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2019-12-28 04:26:55,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2019-12-28 04:26:55,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2019-12-28 04:26:55,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 672 transitions. [2019-12-28 04:26:55,164 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 672 transitions. Word has length 34 [2019-12-28 04:26:55,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:26:55,165 INFO L462 AbstractCegarLoop]: Abstraction has 253 states and 672 transitions. [2019-12-28 04:26:55,165 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 04:26:55,165 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 672 transitions. [2019-12-28 04:26:55,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 04:26:55,167 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:26:55,167 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:26:55,167 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:26:55,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:26:55,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1548790957, now seen corresponding path program 4 times [2019-12-28 04:26:55,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:26:55,169 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94428432] [2019-12-28 04:26:55,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:26:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:26:55,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:26:55,319 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94428432] [2019-12-28 04:26:55,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:26:55,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-28 04:26:55,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1456967347] [2019-12-28 04:26:55,321 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:26:55,325 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:26:55,330 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 35 states and 34 transitions. [2019-12-28 04:26:55,331 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:26:55,332 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:26:55,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 04:26:55,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:26:55,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 04:26:55,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-28 04:26:55,333 INFO L87 Difference]: Start difference. First operand 253 states and 672 transitions. Second operand 8 states. [2019-12-28 04:26:55,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:26:55,456 INFO L93 Difference]: Finished difference Result 199 states and 510 transitions. [2019-12-28 04:26:55,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 04:26:55,456 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-12-28 04:26:55,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:26:55,457 INFO L225 Difference]: With dead ends: 199 [2019-12-28 04:26:55,457 INFO L226 Difference]: Without dead ends: 0 [2019-12-28 04:26:55,458 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-12-28 04:26:55,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-28 04:26:55,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-28 04:26:55,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-28 04:26:55,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-28 04:26:55,459 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-12-28 04:26:55,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:26:55,460 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-28 04:26:55,460 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 04:26:55,460 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-28 04:26:55,460 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-28 04:26:55,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 04:26:55 BasicIcfg [2019-12-28 04:26:55,466 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 04:26:55,471 INFO L168 Benchmark]: Toolchain (without parser) took 4297.74 ms. Allocated memory was 140.5 MB in the beginning and 246.9 MB in the end (delta: 106.4 MB). Free memory was 101.1 MB in the beginning and 205.4 MB in the end (delta: -104.4 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-28 04:26:55,476 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-28 04:26:55,478 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.86 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 100.8 MB in the beginning and 161.5 MB in the end (delta: -60.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2019-12-28 04:26:55,479 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.12 ms. Allocated memory is still 204.5 MB. Free memory was 161.5 MB in the beginning and 159.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-28 04:26:55,479 INFO L168 Benchmark]: Boogie Preprocessor took 25.42 ms. Allocated memory is still 204.5 MB. Free memory was 159.5 MB in the beginning and 158.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-28 04:26:55,480 INFO L168 Benchmark]: RCFGBuilder took 439.76 ms. Allocated memory is still 204.5 MB. Free memory was 157.6 MB in the beginning and 137.2 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-12-28 04:26:55,484 INFO L168 Benchmark]: TraceAbstraction took 3053.61 ms. Allocated memory was 204.5 MB in the beginning and 246.9 MB in the end (delta: 42.5 MB). Free memory was 137.2 MB in the beginning and 205.4 MB in the end (delta: -68.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-28 04:26:55,496 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 717.86 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 100.8 MB in the beginning and 161.5 MB in the end (delta: -60.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 55.12 ms. Allocated memory is still 204.5 MB. Free memory was 161.5 MB in the beginning and 159.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.42 ms. Allocated memory is still 204.5 MB. Free memory was 159.5 MB in the beginning and 158.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 439.76 ms. Allocated memory is still 204.5 MB. Free memory was 157.6 MB in the beginning and 137.2 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3053.61 ms. Allocated memory was 204.5 MB in the beginning and 246.9 MB in the end (delta: 42.5 MB). Free memory was 137.2 MB in the beginning and 205.4 MB in the end (delta: -68.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 54 locations, 1 error locations. Result: SAFE, OverallTime: 2.9s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 341 SDtfs, 429 SDslu, 932 SDs, 0 SdLazy, 130 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1248occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 18 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 22035 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...