/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix033_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 16:46:11,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 16:46:11,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 16:46:11,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 16:46:11,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 16:46:11,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 16:46:11,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 16:46:11,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 16:46:11,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 16:46:11,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 16:46:11,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 16:46:11,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 16:46:11,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 16:46:11,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 16:46:11,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 16:46:11,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 16:46:11,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 16:46:11,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 16:46:11,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 16:46:11,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 16:46:11,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 16:46:11,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 16:46:11,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 16:46:11,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 16:46:11,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 16:46:11,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 16:46:11,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 16:46:11,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 16:46:11,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 16:46:11,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 16:46:11,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 16:46:11,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 16:46:11,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 16:46:11,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 16:46:11,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 16:46:11,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 16:46:11,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 16:46:11,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 16:46:11,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 16:46:11,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 16:46:11,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 16:46:11,713 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe-MCR.epf [2019-12-27 16:46:11,728 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 16:46:11,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 16:46:11,729 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 16:46:11,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 16:46:11,730 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 16:46:11,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 16:46:11,730 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 16:46:11,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 16:46:11,730 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 16:46:11,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 16:46:11,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 16:46:11,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 16:46:11,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 16:46:11,731 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 16:46:11,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 16:46:11,732 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 16:46:11,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 16:46:11,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 16:46:11,732 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 16:46:11,733 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 16:46:11,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 16:46:11,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 16:46:11,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 16:46:11,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 16:46:11,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 16:46:11,734 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 16:46:11,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 16:46:11,734 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 16:46:11,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 16:46:11,735 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 16:46:11,735 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 16:46:12,032 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 16:46:12,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 16:46:12,055 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 16:46:12,056 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 16:46:12,057 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 16:46:12,059 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix033_power.oepc.i [2019-12-27 16:46:12,133 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67e742b4b/2d9b3254fb5a4023b0ad0ba779562471/FLAGeabd1b0e2 [2019-12-27 16:46:12,739 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 16:46:12,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix033_power.oepc.i [2019-12-27 16:46:12,765 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67e742b4b/2d9b3254fb5a4023b0ad0ba779562471/FLAGeabd1b0e2 [2019-12-27 16:46:12,997 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67e742b4b/2d9b3254fb5a4023b0ad0ba779562471 [2019-12-27 16:46:13,007 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 16:46:13,009 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 16:46:13,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 16:46:13,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 16:46:13,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 16:46:13,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 04:46:12" (1/1) ... [2019-12-27 16:46:13,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e400b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:46:13, skipping insertion in model container [2019-12-27 16:46:13,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 04:46:12" (1/1) ... [2019-12-27 16:46:13,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 16:46:13,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 16:46:13,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 16:46:13,601 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 16:46:13,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 16:46:13,771 INFO L208 MainTranslator]: Completed translation [2019-12-27 16:46:13,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:46:13 WrapperNode [2019-12-27 16:46:13,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 16:46:13,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 16:46:13,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 16:46:13,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 16:46:13,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:46:13" (1/1) ... [2019-12-27 16:46:13,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:46:13" (1/1) ... [2019-12-27 16:46:13,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 16:46:13,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 16:46:13,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 16:46:13,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 16:46:13,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:46:13" (1/1) ... [2019-12-27 16:46:13,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:46:13" (1/1) ... [2019-12-27 16:46:13,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:46:13" (1/1) ... [2019-12-27 16:46:13,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:46:13" (1/1) ... [2019-12-27 16:46:13,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:46:13" (1/1) ... [2019-12-27 16:46:13,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:46:13" (1/1) ... [2019-12-27 16:46:13,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:46:13" (1/1) ... [2019-12-27 16:46:13,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 16:46:13,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 16:46:13,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 16:46:13,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 16:46:13,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:46:13" (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 16:46:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 16:46:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 16:46:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 16:46:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 16:46:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 16:46:13,958 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 16:46:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 16:46:13,959 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 16:46:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-27 16:46:13,960 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-27 16:46:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 16:46:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 16:46:13,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 16:46:13,963 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 16:46:14,789 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 16:46:14,789 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-27 16:46:14,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 04:46:14 BoogieIcfgContainer [2019-12-27 16:46:14,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 16:46:14,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 16:46:14,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 16:46:14,796 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 16:46:14,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 04:46:12" (1/3) ... [2019-12-27 16:46:14,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368e684a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 04:46:14, skipping insertion in model container [2019-12-27 16:46:14,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:46:13" (2/3) ... [2019-12-27 16:46:14,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368e684a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 04:46:14, skipping insertion in model container [2019-12-27 16:46:14,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 04:46:14" (3/3) ... [2019-12-27 16:46:14,800 INFO L109 eAbstractionObserver]: Analyzing ICFG mix033_power.oepc.i [2019-12-27 16:46:14,809 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 16:46:14,809 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 16:46:14,816 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-27 16:46:14,817 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 16:46:14,858 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,858 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,858 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,859 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,859 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,859 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,859 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,860 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,860 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,860 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,861 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,861 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,861 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,861 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,862 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,878 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,878 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,879 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,879 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,879 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,879 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,880 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,881 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,881 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,881 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,882 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,883 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,884 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,884 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,884 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,885 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,888 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,888 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,888 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,889 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,889 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,889 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,890 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,890 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,891 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,891 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,891 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,891 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,891 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,891 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,892 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,892 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,892 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,892 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,892 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,892 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,892 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,893 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,893 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,893 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,893 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,893 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,893 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,894 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,896 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,896 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,897 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,898 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,898 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,899 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,900 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,901 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,901 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,901 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,901 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,901 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,902 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,902 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,902 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,902 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,902 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,903 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,903 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,903 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,904 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,904 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,904 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,905 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,905 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,906 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,906 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,906 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,907 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,907 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,907 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,907 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,908 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,908 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,908 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,908 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,908 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,909 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,909 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,909 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,909 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,910 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,914 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,915 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,915 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,916 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,924 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,924 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,924 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,924 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,925 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,925 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,925 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,926 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,926 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,926 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,926 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,926 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,926 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,927 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,927 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,927 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,927 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,927 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,928 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,928 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,928 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,928 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,929 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,929 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,929 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,929 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,929 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,930 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,933 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,933 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,934 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,934 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,934 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,934 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,934 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,935 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,935 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,935 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,935 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,935 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,935 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,936 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,936 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,936 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,936 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,936 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,937 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,937 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,937 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,937 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,937 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,938 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,938 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,938 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,938 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,938 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,938 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,939 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,939 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,939 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,939 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,940 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,941 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,941 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,941 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,941 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,941 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,941 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,942 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,942 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,942 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,942 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,943 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,943 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,943 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,943 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,943 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,947 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,947 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,947 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,947 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,948 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,948 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,948 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,948 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,949 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,949 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,949 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,949 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,950 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,950 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,950 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,950 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,950 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,950 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,951 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,951 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,951 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,951 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,951 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,952 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,952 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,952 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,952 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,952 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,952 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,953 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,953 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,953 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,953 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,957 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,957 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,957 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,958 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,964 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,964 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,964 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,964 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,965 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,965 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,965 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,965 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,968 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,968 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,968 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,968 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,969 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,969 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,969 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,969 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,969 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,969 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 16:46:14,992 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 16:46:15,014 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 16:46:15,014 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 16:46:15,014 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 16:46:15,014 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 16:46:15,014 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 16:46:15,015 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 16:46:15,015 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 16:46:15,015 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 16:46:15,039 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 179 places, 216 transitions [2019-12-27 16:46:15,040 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 179 places, 216 transitions [2019-12-27 16:46:15,154 INFO L132 PetriNetUnfolder]: 47/213 cut-off events. [2019-12-27 16:46:15,155 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 16:46:15,175 INFO L76 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 213 events. 47/213 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 431 event pairs. 0/164 useless extension candidates. Maximal degree in co-relation 179. Up to 2 conditions per place. [2019-12-27 16:46:15,200 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 179 places, 216 transitions [2019-12-27 16:46:15,280 INFO L132 PetriNetUnfolder]: 47/213 cut-off events. [2019-12-27 16:46:15,280 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 16:46:15,289 INFO L76 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 213 events. 47/213 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 431 event pairs. 0/164 useless extension candidates. Maximal degree in co-relation 179. Up to 2 conditions per place. [2019-12-27 16:46:15,311 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 19004 [2019-12-27 16:46:15,312 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 16:46:20,743 WARN L192 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2019-12-27 16:46:20,880 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-12-27 16:46:21,011 INFO L206 etLargeBlockEncoding]: Checked pairs total: 80691 [2019-12-27 16:46:21,011 INFO L214 etLargeBlockEncoding]: Total number of compositions: 120 [2019-12-27 16:46:21,015 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 93 places, 102 transitions [2019-12-27 16:46:36,106 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 109594 states. [2019-12-27 16:46:36,108 INFO L276 IsEmpty]: Start isEmpty. Operand 109594 states. [2019-12-27 16:46:36,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-27 16:46:36,113 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 16:46:36,113 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-27 16:46:36,114 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 16:46:36,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 16:46:36,118 INFO L82 PathProgramCache]: Analyzing trace with hash 925663, now seen corresponding path program 1 times [2019-12-27 16:46:36,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 16:46:36,127 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719775437] [2019-12-27 16:46:36,128 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 16:46:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 16:46:36,354 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 16:46:36,355 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719775437] [2019-12-27 16:46:36,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 16:46:36,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 16:46:36,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2020840096] [2019-12-27 16:46:36,359 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 16:46:36,365 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 16:46:36,378 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 4 states and 3 transitions. [2019-12-27 16:46:36,378 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 16:46:36,382 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 16:46:36,382 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 16:46:36,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 16:46:36,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 16:46:36,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 16:46:36,400 INFO L87 Difference]: Start difference. First operand 109594 states. Second operand 3 states. [2019-12-27 16:46:39,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 16:46:39,983 INFO L93 Difference]: Finished difference Result 108584 states and 463030 transitions. [2019-12-27 16:46:39,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 16:46:39,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-12-27 16:46:39,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 16:46:40,788 INFO L225 Difference]: With dead ends: 108584 [2019-12-27 16:46:40,789 INFO L226 Difference]: Without dead ends: 102344 [2019-12-27 16:46:40,791 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 16:46:47,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102344 states. [2019-12-27 16:46:49,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102344 to 102344. [2019-12-27 16:46:49,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102344 states. [2019-12-27 16:46:50,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102344 states to 102344 states and 435834 transitions. [2019-12-27 16:46:50,331 INFO L78 Accepts]: Start accepts. Automaton has 102344 states and 435834 transitions. Word has length 3 [2019-12-27 16:46:50,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 16:46:50,332 INFO L462 AbstractCegarLoop]: Abstraction has 102344 states and 435834 transitions. [2019-12-27 16:46:50,332 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 16:46:50,332 INFO L276 IsEmpty]: Start isEmpty. Operand 102344 states and 435834 transitions. [2019-12-27 16:46:50,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-27 16:46:50,335 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 16:46:50,335 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 16:46:50,336 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 16:46:50,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 16:46:50,336 INFO L82 PathProgramCache]: Analyzing trace with hash 295188242, now seen corresponding path program 1 times [2019-12-27 16:46:50,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 16:46:50,337 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458553445] [2019-12-27 16:46:50,337 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 16:46:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 16:46:50,476 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 16:46:50,477 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458553445] [2019-12-27 16:46:50,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 16:46:50,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 16:46:50,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [626840346] [2019-12-27 16:46:50,478 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 16:46:50,479 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 16:46:50,482 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 12 states and 11 transitions. [2019-12-27 16:46:50,483 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 16:46:50,483 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 16:46:50,484 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 16:46:50,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 16:46:50,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 16:46:50,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 16:46:50,485 INFO L87 Difference]: Start difference. First operand 102344 states and 435834 transitions. Second operand 4 states. [2019-12-27 16:46:55,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 16:46:55,790 INFO L93 Difference]: Finished difference Result 162816 states and 664963 transitions. [2019-12-27 16:46:55,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 16:46:55,791 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-27 16:46:55,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 16:46:56,472 INFO L225 Difference]: With dead ends: 162816 [2019-12-27 16:46:56,472 INFO L226 Difference]: Without dead ends: 162767 [2019-12-27 16:46:56,473 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 16:47:04,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162767 states. [2019-12-27 16:47:06,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162767 to 148375. [2019-12-27 16:47:06,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148375 states. [2019-12-27 16:47:08,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148375 states to 148375 states and 613985 transitions. [2019-12-27 16:47:08,285 INFO L78 Accepts]: Start accepts. Automaton has 148375 states and 613985 transitions. Word has length 11 [2019-12-27 16:47:08,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 16:47:08,286 INFO L462 AbstractCegarLoop]: Abstraction has 148375 states and 613985 transitions. [2019-12-27 16:47:08,286 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 16:47:08,286 INFO L276 IsEmpty]: Start isEmpty. Operand 148375 states and 613985 transitions. [2019-12-27 16:47:08,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 16:47:08,294 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 16:47:08,294 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 16:47:08,295 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 16:47:08,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 16:47:08,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1979345710, now seen corresponding path program 1 times [2019-12-27 16:47:08,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 16:47:08,296 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307592041] [2019-12-27 16:47:08,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 16:47:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 16:47:08,394 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 16:47:08,394 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307592041] [2019-12-27 16:47:08,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 16:47:08,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 16:47:08,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [81322326] [2019-12-27 16:47:08,395 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 16:47:08,399 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 16:47:08,401 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 14 states and 13 transitions. [2019-12-27 16:47:08,401 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 16:47:08,401 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 16:47:08,402 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 16:47:08,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 16:47:08,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 16:47:08,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 16:47:08,402 INFO L87 Difference]: Start difference. First operand 148375 states and 613985 transitions. Second operand 4 states. [2019-12-27 16:47:15,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 16:47:15,589 INFO L93 Difference]: Finished difference Result 208037 states and 841937 transitions. [2019-12-27 16:47:15,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 16:47:15,590 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-12-27 16:47:15,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 16:47:16,201 INFO L225 Difference]: With dead ends: 208037 [2019-12-27 16:47:16,202 INFO L226 Difference]: Without dead ends: 207981 [2019-12-27 16:47:16,202 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 16:47:21,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207981 states. [2019-12-27 16:47:24,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207981 to 175449. [2019-12-27 16:47:24,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175449 states. [2019-12-27 16:47:26,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175449 states to 175449 states and 722246 transitions. [2019-12-27 16:47:26,316 INFO L78 Accepts]: Start accepts. Automaton has 175449 states and 722246 transitions. Word has length 13 [2019-12-27 16:47:26,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 16:47:26,317 INFO L462 AbstractCegarLoop]: Abstraction has 175449 states and 722246 transitions. [2019-12-27 16:47:26,317 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 16:47:26,317 INFO L276 IsEmpty]: Start isEmpty. Operand 175449 states and 722246 transitions. [2019-12-27 16:47:26,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-27 16:47:26,327 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 16:47:26,327 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 16:47:26,327 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 16:47:26,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 16:47:26,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1850281775, now seen corresponding path program 1 times [2019-12-27 16:47:26,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 16:47:26,328 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656221490] [2019-12-27 16:47:26,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 16:47:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 16:47:26,387 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 16:47:26,388 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656221490] [2019-12-27 16:47:26,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 16:47:26,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 16:47:26,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [513142732] [2019-12-27 16:47:26,388 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 16:47:26,391 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 16:47:26,393 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 17 states and 16 transitions. [2019-12-27 16:47:26,393 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 16:47:26,393 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 16:47:26,393 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 16:47:26,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 16:47:26,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 16:47:26,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 16:47:26,394 INFO L87 Difference]: Start difference. First operand 175449 states and 722246 transitions. Second operand 3 states. [2019-12-27 16:47:34,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 16:47:34,239 INFO L93 Difference]: Finished difference Result 259190 states and 1053818 transitions. [2019-12-27 16:47:34,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 16:47:34,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-12-27 16:47:34,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 16:47:34,948 INFO L225 Difference]: With dead ends: 259190 [2019-12-27 16:47:34,948 INFO L226 Difference]: Without dead ends: 259190 [2019-12-27 16:47:34,949 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 16:47:40,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259190 states. [2019-12-27 16:47:44,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259190 to 195219. [2019-12-27 16:47:44,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195219 states. [2019-12-27 16:47:45,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195219 states to 195219 states and 799392 transitions. [2019-12-27 16:47:45,558 INFO L78 Accepts]: Start accepts. Automaton has 195219 states and 799392 transitions. Word has length 16 [2019-12-27 16:47:45,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 16:47:45,558 INFO L462 AbstractCegarLoop]: Abstraction has 195219 states and 799392 transitions. [2019-12-27 16:47:45,558 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 16:47:45,559 INFO L276 IsEmpty]: Start isEmpty. Operand 195219 states and 799392 transitions. [2019-12-27 16:47:45,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-27 16:47:45,569 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 16:47:45,569 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 16:47:45,569 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 16:47:45,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 16:47:45,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1985443542, now seen corresponding path program 1 times [2019-12-27 16:47:45,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 16:47:45,570 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062022515] [2019-12-27 16:47:45,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 16:47:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 16:47:45,654 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 16:47:45,654 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062022515] [2019-12-27 16:47:45,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 16:47:45,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 16:47:45,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [620025081] [2019-12-27 16:47:45,655 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 16:47:45,657 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 16:47:45,659 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 17 states and 16 transitions. [2019-12-27 16:47:45,659 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 16:47:45,659 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 16:47:45,660 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 16:47:45,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 16:47:45,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 16:47:45,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 16:47:45,660 INFO L87 Difference]: Start difference. First operand 195219 states and 799392 transitions. Second operand 4 states. [2019-12-27 16:47:53,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 16:47:53,086 INFO L93 Difference]: Finished difference Result 227593 states and 924546 transitions. [2019-12-27 16:47:53,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 16:47:53,087 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2019-12-27 16:47:53,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 16:47:53,730 INFO L225 Difference]: With dead ends: 227593 [2019-12-27 16:47:53,731 INFO L226 Difference]: Without dead ends: 227593 [2019-12-27 16:47:53,731 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 16:48:03,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227593 states. [2019-12-27 16:48:06,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227593 to 204638. [2019-12-27 16:48:06,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204638 states. [2019-12-27 16:48:08,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204638 states to 204638 states and 837381 transitions. [2019-12-27 16:48:08,024 INFO L78 Accepts]: Start accepts. Automaton has 204638 states and 837381 transitions. Word has length 16 [2019-12-27 16:48:08,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 16:48:08,024 INFO L462 AbstractCegarLoop]: Abstraction has 204638 states and 837381 transitions. [2019-12-27 16:48:08,024 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 16:48:08,024 INFO L276 IsEmpty]: Start isEmpty. Operand 204638 states and 837381 transitions. [2019-12-27 16:48:08,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-27 16:48:08,034 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 16:48:08,034 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 16:48:08,034 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 16:48:08,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 16:48:08,035 INFO L82 PathProgramCache]: Analyzing trace with hash -32753983, now seen corresponding path program 1 times [2019-12-27 16:48:08,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 16:48:08,035 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265809541] [2019-12-27 16:48:08,036 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 16:48:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 16:48:08,095 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 16:48:08,095 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265809541] [2019-12-27 16:48:08,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 16:48:08,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 16:48:08,096 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [794715980] [2019-12-27 16:48:08,096 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 16:48:08,098 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 16:48:08,100 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 17 states and 16 transitions. [2019-12-27 16:48:08,100 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 16:48:08,101 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 16:48:08,101 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 16:48:08,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 16:48:08,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 16:48:08,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 16:48:08,102 INFO L87 Difference]: Start difference. First operand 204638 states and 837381 transitions. Second operand 4 states. [2019-12-27 16:48:11,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 16:48:11,022 INFO L93 Difference]: Finished difference Result 239634 states and 974592 transitions. [2019-12-27 16:48:11,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 16:48:11,023 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2019-12-27 16:48:11,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 16:48:11,732 INFO L225 Difference]: With dead ends: 239634 [2019-12-27 16:48:11,732 INFO L226 Difference]: Without dead ends: 239634 [2019-12-27 16:48:11,732 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 16:48:24,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239634 states. [2019-12-27 16:48:28,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239634 to 207981. [2019-12-27 16:48:28,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207981 states. [2019-12-27 16:48:29,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207981 states to 207981 states and 851409 transitions. [2019-12-27 16:48:29,497 INFO L78 Accepts]: Start accepts. Automaton has 207981 states and 851409 transitions. Word has length 16 [2019-12-27 16:48:29,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 16:48:29,498 INFO L462 AbstractCegarLoop]: Abstraction has 207981 states and 851409 transitions. [2019-12-27 16:48:29,498 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 16:48:29,498 INFO L276 IsEmpty]: Start isEmpty. Operand 207981 states and 851409 transitions. [2019-12-27 16:48:29,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-27 16:48:29,515 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 16:48:29,515 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 16:48:29,515 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 16:48:29,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 16:48:29,515 INFO L82 PathProgramCache]: Analyzing trace with hash -486126770, now seen corresponding path program 1 times [2019-12-27 16:48:29,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 16:48:29,516 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992508925] [2019-12-27 16:48:29,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 16:48:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 16:48:29,594 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 16:48:29,594 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992508925] [2019-12-27 16:48:29,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 16:48:29,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 16:48:29,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1378403217] [2019-12-27 16:48:29,595 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 16:48:29,597 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 16:48:29,599 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 24 states and 28 transitions. [2019-12-27 16:48:29,600 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 16:48:29,601 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 16:48:29,601 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 16:48:29,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 16:48:29,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 16:48:29,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 16:48:29,602 INFO L87 Difference]: Start difference. First operand 207981 states and 851409 transitions. Second operand 3 states. [2019-12-27 16:48:36,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 16:48:36,424 INFO L93 Difference]: Finished difference Result 207617 states and 849982 transitions. [2019-12-27 16:48:36,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 16:48:36,424 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-12-27 16:48:36,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 16:48:37,047 INFO L225 Difference]: With dead ends: 207617 [2019-12-27 16:48:37,047 INFO L226 Difference]: Without dead ends: 207617 [2019-12-27 16:48:37,048 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 16:48:42,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207617 states. [2019-12-27 16:48:45,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207617 to 207617. [2019-12-27 16:48:45,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207617 states. [2019-12-27 16:48:53,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207617 states to 207617 states and 849982 transitions. [2019-12-27 16:48:53,193 INFO L78 Accepts]: Start accepts. Automaton has 207617 states and 849982 transitions. Word has length 18 [2019-12-27 16:48:53,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 16:48:53,194 INFO L462 AbstractCegarLoop]: Abstraction has 207617 states and 849982 transitions. [2019-12-27 16:48:53,194 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 16:48:53,194 INFO L276 IsEmpty]: Start isEmpty. Operand 207617 states and 849982 transitions. [2019-12-27 16:48:53,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-27 16:48:53,211 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 16:48:53,211 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 16:48:53,211 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 16:48:53,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 16:48:53,211 INFO L82 PathProgramCache]: Analyzing trace with hash -1539660278, now seen corresponding path program 1 times [2019-12-27 16:48:53,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 16:48:53,212 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531139976] [2019-12-27 16:48:53,212 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 16:48:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 16:48:53,278 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 16:48:53,279 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531139976] [2019-12-27 16:48:53,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 16:48:53,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 16:48:53,279 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [364678172] [2019-12-27 16:48:53,280 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 16:48:53,281 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 16:48:53,288 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 44 states and 67 transitions. [2019-12-27 16:48:53,288 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 16:48:53,291 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 1 times. [2019-12-27 16:48:53,291 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 16:48:53,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 16:48:53,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 16:48:53,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-27 16:48:53,292 INFO L87 Difference]: Start difference. First operand 207617 states and 849982 transitions. Second operand 5 states. [2019-12-27 16:48:56,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 16:48:56,192 INFO L93 Difference]: Finished difference Result 298601 states and 1194764 transitions. [2019-12-27 16:48:56,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-27 16:48:56,193 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-12-27 16:48:56,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 16:49:04,604 INFO L225 Difference]: With dead ends: 298601 [2019-12-27 16:49:04,604 INFO L226 Difference]: Without dead ends: 298510 [2019-12-27 16:49:04,605 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-27 16:49:10,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298510 states. [2019-12-27 16:49:15,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298510 to 222319. [2019-12-27 16:49:15,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222319 states. [2019-12-27 16:49:15,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222319 states to 222319 states and 906915 transitions. [2019-12-27 16:49:15,776 INFO L78 Accepts]: Start accepts. Automaton has 222319 states and 906915 transitions. Word has length 19 [2019-12-27 16:49:15,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 16:49:15,777 INFO L462 AbstractCegarLoop]: Abstraction has 222319 states and 906915 transitions. [2019-12-27 16:49:15,777 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 16:49:15,777 INFO L276 IsEmpty]: Start isEmpty. Operand 222319 states and 906915 transitions. [2019-12-27 16:49:15,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-27 16:49:15,796 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 16:49:15,796 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 16:49:15,796 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 16:49:15,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 16:49:15,797 INFO L82 PathProgramCache]: Analyzing trace with hash -434257907, now seen corresponding path program 1 times [2019-12-27 16:49:15,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 16:49:15,797 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418007315] [2019-12-27 16:49:15,797 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 16:49:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 16:49:15,863 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 16:49:15,864 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418007315] [2019-12-27 16:49:15,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 16:49:15,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 16:49:15,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1645260530] [2019-12-27 16:49:15,864 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 16:49:15,866 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 16:49:15,871 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 32 states and 43 transitions. [2019-12-27 16:49:15,871 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 16:49:15,871 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 16:49:15,872 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 16:49:15,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 16:49:15,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 16:49:15,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 16:49:15,873 INFO L87 Difference]: Start difference. First operand 222319 states and 906915 transitions. Second operand 3 states. [2019-12-27 16:49:18,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 16:49:18,591 INFO L93 Difference]: Finished difference Result 222098 states and 906008 transitions. [2019-12-27 16:49:18,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 16:49:18,592 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-12-27 16:49:18,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 16:49:19,257 INFO L225 Difference]: With dead ends: 222098 [2019-12-27 16:49:19,257 INFO L226 Difference]: Without dead ends: 222098 [2019-12-27 16:49:19,257 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 Received shutdown request... [2019-12-27 16:49:32,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222098 states. [2019-12-27 16:49:32,184 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-27 16:49:32,187 WARN L227 ceAbstractionStarter]: Timeout [2019-12-27 16:49:32,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 04:49:32 BasicIcfg [2019-12-27 16:49:32,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 16:49:32,189 INFO L168 Benchmark]: Toolchain (without parser) took 199180.65 ms. Allocated memory was 145.8 MB in the beginning and 4.8 GB in the end (delta: 4.7 GB). Free memory was 102.1 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 4.7 GB. Max. memory is 7.1 GB. [2019-12-27 16:49:32,190 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 145.8 MB. Free memory was 122.2 MB in the beginning and 121.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-12-27 16:49:32,191 INFO L168 Benchmark]: CACSL2BoogieTranslator took 761.68 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 101.9 MB in the beginning and 155.3 MB in the end (delta: -53.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-12-27 16:49:32,192 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.31 ms. Allocated memory is still 202.4 MB. Free memory was 155.3 MB in the beginning and 152.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-12-27 16:49:32,193 INFO L168 Benchmark]: Boogie Preprocessor took 38.63 ms. Allocated memory is still 202.4 MB. Free memory was 152.6 MB in the beginning and 149.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-12-27 16:49:32,194 INFO L168 Benchmark]: RCFGBuilder took 916.71 ms. Allocated memory is still 202.4 MB. Free memory was 149.9 MB in the beginning and 99.0 MB in the end (delta: 51.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 7.1 GB. [2019-12-27 16:49:32,195 INFO L168 Benchmark]: TraceAbstraction took 197395.28 ms. Allocated memory was 202.4 MB in the beginning and 4.8 GB in the end (delta: 4.6 GB). Free memory was 99.0 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 4.7 GB. Max. memory is 7.1 GB. [2019-12-27 16:49:32,199 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 145.8 MB. Free memory was 122.2 MB in the beginning and 121.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 761.68 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 101.9 MB in the beginning and 155.3 MB in the end (delta: -53.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 63.31 ms. Allocated memory is still 202.4 MB. Free memory was 155.3 MB in the beginning and 152.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.63 ms. Allocated memory is still 202.4 MB. Free memory was 152.6 MB in the beginning and 149.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 916.71 ms. Allocated memory is still 202.4 MB. Free memory was 149.9 MB in the beginning and 99.0 MB in the end (delta: 51.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 197395.28 ms. Allocated memory was 202.4 MB in the beginning and 4.8 GB in the end (delta: 4.6 GB). Free memory was 99.0 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 4.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 5.9s, 179 ProgramPointsBefore, 93 ProgramPointsAfterwards, 216 TransitionsBefore, 102 TransitionsAfterwards, 19004 CoEnabledTransitionPairs, 7 FixpointIterations, 36 TrivialSequentialCompositions, 49 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 35 ConcurrentYvCompositions, 32 ChoiceCompositions, 7364 VarBasedMoverChecksPositive, 244 VarBasedMoverChecksNegative, 47 SemBasedMoverChecksPositive, 271 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.8s, 0 MoverChecksTotal, 80691 CheckedPairsTotal, 120 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 170 locations, 2 error locations. Result: TIMEOUT, OverallTime: 197.1s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 60.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1450 SDtfs, 998 SDslu, 1592 SDs, 0 SdLazy, 1138 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=222319occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 114.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 241694 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 122 ConstructedInterpolants, 0 QuantifiedInterpolants, 5412 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 could not prove your program: Timeout Completed graceful shutdown