/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/mix044_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 02:40:21,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 02:40:21,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 02:40:21,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 02:40:21,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 02:40:21,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 02:40:21,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 02:40:21,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 02:40:21,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 02:40:21,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 02:40:21,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 02:40:21,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 02:40:21,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 02:40:21,945 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 02:40:21,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 02:40:21,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 02:40:21,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 02:40:21,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 02:40:21,954 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 02:40:21,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 02:40:21,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 02:40:21,967 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 02:40:21,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 02:40:21,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 02:40:21,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-28 02:40:21,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 02:40:21,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 02:40:21,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 02:40:21,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 02:40:21,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 02:40:21,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 02:40:21,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 02:40:21,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 02:40:21,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 02:40:21,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 02:40:21,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 02:40:21,985 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 02:40:22,012 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 02:40:22,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 02:40:22,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 02:40:22,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 02:40:22,014 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 02:40:22,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 02:40:22,014 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 02:40:22,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 02:40:22,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 02:40:22,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 02:40:22,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 02:40:22,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 02:40:22,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 02:40:22,015 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 02:40:22,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 02:40:22,016 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 02:40:22,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 02:40:22,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 02:40:22,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 02:40:22,016 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 02:40:22,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 02:40:22,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 02:40:22,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 02:40:22,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 02:40:22,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 02:40:22,018 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 02:40:22,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 02:40:22,018 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 02:40:22,018 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 02:40:22,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 02:40:22,019 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 02:40:22,019 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 02:40:22,281 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 02:40:22,298 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 02:40:22,302 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 02:40:22,304 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 02:40:22,304 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 02:40:22,305 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix044_rmo.opt.i [2019-12-28 02:40:22,378 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38e161ed5/4978f6b03fd544afabe4929cb499787d/FLAGeeefcd119 [2019-12-28 02:40:22,959 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 02:40:22,960 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix044_rmo.opt.i [2019-12-28 02:40:22,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38e161ed5/4978f6b03fd544afabe4929cb499787d/FLAGeeefcd119 [2019-12-28 02:40:23,233 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38e161ed5/4978f6b03fd544afabe4929cb499787d [2019-12-28 02:40:23,244 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 02:40:23,246 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 02:40:23,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 02:40:23,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 02:40:23,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 02:40:23,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:40:23" (1/1) ... [2019-12-28 02:40:23,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17a48cc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:40:23, skipping insertion in model container [2019-12-28 02:40:23,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:40:23" (1/1) ... [2019-12-28 02:40:23,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 02:40:23,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 02:40:23,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 02:40:23,858 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 02:40:23,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 02:40:24,015 INFO L208 MainTranslator]: Completed translation [2019-12-28 02:40:24,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:40:24 WrapperNode [2019-12-28 02:40:24,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 02:40:24,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 02:40:24,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 02:40:24,017 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 02:40:24,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:40:24" (1/1) ... [2019-12-28 02:40:24,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:40:24" (1/1) ... [2019-12-28 02:40:24,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 02:40:24,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 02:40:24,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 02:40:24,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 02:40:24,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:40:24" (1/1) ... [2019-12-28 02:40:24,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:40:24" (1/1) ... [2019-12-28 02:40:24,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:40:24" (1/1) ... [2019-12-28 02:40:24,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:40:24" (1/1) ... [2019-12-28 02:40:24,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:40:24" (1/1) ... [2019-12-28 02:40:24,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:40:24" (1/1) ... [2019-12-28 02:40:24,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:40:24" (1/1) ... [2019-12-28 02:40:24,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 02:40:24,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 02:40:24,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 02:40:24,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 02:40:24,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:40:24" (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 02:40:24,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 02:40:24,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 02:40:24,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 02:40:24,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 02:40:24,192 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-28 02:40:24,192 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-28 02:40:24,192 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-28 02:40:24,193 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-28 02:40:24,193 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-28 02:40:24,193 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-28 02:40:24,193 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-12-28 02:40:24,194 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-12-28 02:40:24,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 02:40:24,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 02:40:24,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 02:40:24,196 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 02:40:24,926 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 02:40:24,927 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-28 02:40:24,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 02:40:24 BoogieIcfgContainer [2019-12-28 02:40:24,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 02:40:24,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 02:40:24,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 02:40:24,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 02:40:24,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 02:40:23" (1/3) ... [2019-12-28 02:40:24,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be42ce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 02:40:24, skipping insertion in model container [2019-12-28 02:40:24,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:40:24" (2/3) ... [2019-12-28 02:40:24,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be42ce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 02:40:24, skipping insertion in model container [2019-12-28 02:40:24,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 02:40:24" (3/3) ... [2019-12-28 02:40:24,938 INFO L109 eAbstractionObserver]: Analyzing ICFG mix044_rmo.opt.i [2019-12-28 02:40:24,949 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 02:40:24,949 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 02:40:24,957 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-28 02:40:24,958 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 02:40:24,997 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:24,997 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:24,998 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:24,998 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:24,998 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:24,999 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:24,999 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:24,999 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,000 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,000 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,000 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,000 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,001 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,001 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,001 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,002 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,002 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,002 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,002 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,003 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,003 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,003 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,003 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,004 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,004 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,004 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,004 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,005 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,005 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,005 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,005 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,006 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,006 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,006 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,006 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,007 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,007 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,007 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,007 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,008 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,008 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,008 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,009 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,009 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,010 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,010 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,010 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,010 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,011 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,011 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,011 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,012 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,012 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,012 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,012 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,013 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,013 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,013 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,013 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,013 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,014 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,014 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,014 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,014 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,015 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,015 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,015 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,015 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,016 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,016 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,016 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,016 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,017 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,017 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,017 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,017 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,021 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,022 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,022 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,022 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,025 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,026 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,026 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,026 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,030 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,030 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,031 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,031 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,031 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,031 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,032 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,032 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,032 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,032 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,035 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,035 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,035 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,036 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,036 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,036 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,036 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,037 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,037 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,037 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,037 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,038 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:40:25,073 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-28 02:40:25,095 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 02:40:25,095 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 02:40:25,095 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 02:40:25,095 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 02:40:25,095 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 02:40:25,095 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 02:40:25,096 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 02:40:25,096 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 02:40:25,112 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 181 places, 209 transitions [2019-12-28 02:43:32,627 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 380023 states. [2019-12-28 02:43:32,629 INFO L276 IsEmpty]: Start isEmpty. Operand 380023 states. [2019-12-28 02:43:32,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-28 02:43:32,650 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 02:43:32,651 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 02:43:32,652 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 02:43:32,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 02:43:32,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1335710969, now seen corresponding path program 1 times [2019-12-28 02:43:32,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 02:43:32,671 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243546648] [2019-12-28 02:43:32,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 02:43:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 02:43:33,099 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 02:43:33,100 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243546648] [2019-12-28 02:43:33,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 02:43:33,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 02:43:33,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [558973964] [2019-12-28 02:43:33,103 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 02:43:33,112 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 02:43:33,141 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 55 states and 54 transitions. [2019-12-28 02:43:33,141 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 02:43:33,146 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 02:43:33,147 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 02:43:33,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 02:43:33,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 02:43:33,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 02:43:33,164 INFO L87 Difference]: Start difference. First operand 380023 states. Second operand 4 states. [2019-12-28 02:43:51,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 02:43:51,876 INFO L93 Difference]: Finished difference Result 396279 states and 2138291 transitions. [2019-12-28 02:43:51,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-28 02:43:51,878 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2019-12-28 02:43:51,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 02:43:54,083 INFO L225 Difference]: With dead ends: 396279 [2019-12-28 02:43:54,083 INFO L226 Difference]: Without dead ends: 344055 [2019-12-28 02:43:54,085 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 02:44:01,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344055 states. Received shutdown request...