/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.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix057_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 12:37:54,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 12:37:54,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 12:37:54,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 12:37:54,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 12:37:54,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 12:37:54,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 12:37:54,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 12:37:54,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 12:37:54,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 12:37:54,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 12:37:54,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 12:37:54,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 12:37:54,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 12:37:54,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 12:37:54,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 12:37:54,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 12:37:54,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 12:37:54,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 12:37:54,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 12:37:54,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 12:37:54,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 12:37:54,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 12:37:54,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 12:37:54,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 12:37:54,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 12:37:54,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 12:37:54,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 12:37:54,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 12:37:54,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 12:37:54,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 12:37:54,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 12:37:54,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 12:37:54,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 12:37:54,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 12:37:54,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 12:37:54,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 12:37:54,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 12:37:54,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 12:37:54,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 12:37:54,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 12:37:54,633 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.epf [2019-12-27 12:37:54,652 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 12:37:54,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 12:37:54,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 12:37:54,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 12:37:54,657 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 12:37:54,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 12:37:54,658 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 12:37:54,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 12:37:54,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 12:37:54,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 12:37:54,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 12:37:54,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 12:37:54,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 12:37:54,660 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 12:37:54,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 12:37:54,661 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 12:37:54,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 12:37:54,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 12:37:54,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 12:37:54,662 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 12:37:54,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 12:37:54,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 12:37:54,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 12:37:54,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 12:37:54,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 12:37:54,663 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 12:37:54,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 12:37:54,663 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-27 12:37:54,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 12:37:54,663 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 12:37:54,923 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 12:37:54,947 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 12:37:54,951 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 12:37:54,952 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 12:37:54,953 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 12:37:54,954 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix057_rmo.opt.i [2019-12-27 12:37:55,026 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4ec06704/db000d16b9ce4c6e8055b46eab2fb1be/FLAGbf83bfc91 [2019-12-27 12:37:55,622 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 12:37:55,623 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix057_rmo.opt.i [2019-12-27 12:37:55,647 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4ec06704/db000d16b9ce4c6e8055b46eab2fb1be/FLAGbf83bfc91 [2019-12-27 12:37:55,882 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4ec06704/db000d16b9ce4c6e8055b46eab2fb1be [2019-12-27 12:37:55,891 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 12:37:55,893 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 12:37:55,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 12:37:55,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 12:37:55,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 12:37:55,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 12:37:55" (1/1) ... [2019-12-27 12:37:55,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ede1650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:37:55, skipping insertion in model container [2019-12-27 12:37:55,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 12:37:55" (1/1) ... [2019-12-27 12:37:55,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 12:37:55,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 12:37:56,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 12:37:56,502 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 12:37:56,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 12:37:56,675 INFO L208 MainTranslator]: Completed translation [2019-12-27 12:37:56,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:37:56 WrapperNode [2019-12-27 12:37:56,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 12:37:56,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 12:37:56,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 12:37:56,677 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 12:37:56,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:37:56" (1/1) ... [2019-12-27 12:37:56,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:37:56" (1/1) ... [2019-12-27 12:37:56,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 12:37:56,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 12:37:56,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 12:37:56,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 12:37:56,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:37:56" (1/1) ... [2019-12-27 12:37:56,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:37:56" (1/1) ... [2019-12-27 12:37:56,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:37:56" (1/1) ... [2019-12-27 12:37:56,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:37:56" (1/1) ... [2019-12-27 12:37:56,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:37:56" (1/1) ... [2019-12-27 12:37:56,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:37:56" (1/1) ... [2019-12-27 12:37:56,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:37:56" (1/1) ... [2019-12-27 12:37:56,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 12:37:56,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 12:37:56,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 12:37:56,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 12:37:56,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:37:56" (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 [2019-12-27 12:37:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 12:37:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 12:37:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 12:37:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 12:37:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 12:37:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 12:37:56,865 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 12:37:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 12:37:56,865 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-27 12:37:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-27 12:37:56,866 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-12-27 12:37:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-12-27 12:37:56,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 12:37:56,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 12:37:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 12:37:56,869 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 12:37:57,611 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 12:37:57,611 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-27 12:37:57,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 12:37:57 BoogieIcfgContainer [2019-12-27 12:37:57,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 12:37:57,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 12:37:57,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 12:37:57,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 12:37:57,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 12:37:55" (1/3) ... [2019-12-27 12:37:57,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6258c120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 12:37:57, skipping insertion in model container [2019-12-27 12:37:57,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:37:56" (2/3) ... [2019-12-27 12:37:57,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6258c120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 12:37:57, skipping insertion in model container [2019-12-27 12:37:57,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 12:37:57" (3/3) ... [2019-12-27 12:37:57,622 INFO L109 eAbstractionObserver]: Analyzing ICFG mix057_rmo.opt.i [2019-12-27 12:37:57,632 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 12:37:57,633 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 12:37:57,641 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-27 12:37:57,642 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 12:37:57,683 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,683 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,683 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,684 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,684 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,684 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,685 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,685 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,686 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,686 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,688 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,688 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,689 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,689 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,690 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,690 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,690 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,690 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,690 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,691 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,691 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,691 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,691 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,692 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,711 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,711 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,712 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,712 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,712 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,713 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,713 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,713 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,713 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,714 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,716 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,716 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,716 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,717 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,718 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,718 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,718 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,718 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,719 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,719 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,719 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,720 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,720 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,720 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,722 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,722 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,722 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,723 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,723 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,723 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,723 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,723 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,723 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,723 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,724 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,724 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,724 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,724 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,724 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,724 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,725 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,725 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,725 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,725 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,726 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,726 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,726 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,726 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,726 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,727 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,727 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,727 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,730 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,731 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,731 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,731 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,734 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,734 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,734 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,734 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,735 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,735 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,735 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,735 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,736 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,736 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,739 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,740 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,740 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,740 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,740 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,740 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,741 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,741 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,741 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,741 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,742 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,742 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,744 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,744 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,744 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,745 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:37:57,760 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-27 12:37:57,781 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 12:37:57,781 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 12:37:57,781 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 12:37:57,781 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 12:37:57,781 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 12:37:57,782 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 12:37:57,782 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 12:37:57,782 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 12:37:57,797 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 178 places, 206 transitions [2019-12-27 12:41:11,292 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 380020 states. [2019-12-27 12:41:11,294 INFO L276 IsEmpty]: Start isEmpty. Operand 380020 states. [2019-12-27 12:41:11,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-27 12:41:11,313 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 12:41:11,314 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] [2019-12-27 12:41:11,315 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 12:41:11,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 12:41:11,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1984449660, now seen corresponding path program 1 times [2019-12-27 12:41:11,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 12:41:11,331 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102728967] [2019-12-27 12:41:11,331 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 12:41:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 12:41:11,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 12:41:11,709 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102728967] [2019-12-27 12:41:11,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 12:41:11,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 12:41:11,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77180835] [2019-12-27 12:41:11,718 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 12:41:11,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 12:41:11,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 12:41:11,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 12:41:11,738 INFO L87 Difference]: Start difference. First operand 380020 states. Second operand 4 states. [2019-12-27 12:41:26,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 12:41:26,867 INFO L93 Difference]: Finished difference Result 396276 states and 2138288 transitions. [2019-12-27 12:41:26,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 12:41:26,869 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2019-12-27 12:41:26,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 12:41:38,593 INFO L225 Difference]: With dead ends: 396276 [2019-12-27 12:41:38,594 INFO L226 Difference]: Without dead ends: 344052 [2019-12-27 12:41:38,596 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 [2019-12-27 12:41:44,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344052 states.