/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix047_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-19 02:55:56,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-19 02:55:56,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-19 02:55:56,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-19 02:55:56,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-19 02:55:56,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-19 02:55:56,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-19 02:55:56,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-19 02:55:56,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-19 02:55:56,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-19 02:55:56,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-19 02:55:56,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-19 02:55:56,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-19 02:55:56,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-19 02:55:56,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-19 02:55:56,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-19 02:55:56,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-19 02:55:56,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-19 02:55:56,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-19 02:55:56,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-19 02:55:56,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-19 02:55:56,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-19 02:55:56,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-19 02:55:56,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-19 02:55:56,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-19 02:55:56,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-19 02:55:56,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-19 02:55:56,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-19 02:55:56,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-19 02:55:56,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-19 02:55:56,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-19 02:55:56,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-19 02:55:56,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-19 02:55:56,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-19 02:55:56,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-19 02:55:56,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-19 02:55:56,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-19 02:55:56,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-19 02:55:56,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-19 02:55:56,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-19 02:55:56,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-19 02:55:56,418 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2019-12-19 02:55:56,452 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-19 02:55:56,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-19 02:55:56,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-19 02:55:56,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-19 02:55:56,457 INFO L138 SettingsManager]: * Use SBE=true [2019-12-19 02:55:56,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-19 02:55:56,457 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-19 02:55:56,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-19 02:55:56,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-19 02:55:56,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-19 02:55:56,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-19 02:55:56,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-19 02:55:56,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-19 02:55:56,459 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-19 02:55:56,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-19 02:55:56,460 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-19 02:55:56,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-19 02:55:56,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-19 02:55:56,461 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-19 02:55:56,461 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-19 02:55:56,461 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-19 02:55:56,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-19 02:55:56,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-19 02:55:56,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-19 02:55:56,462 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-19 02:55:56,462 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-19 02:55:56,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-19 02:55:56,462 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-19 02:55:56,463 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-19 02:55:56,463 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-19 02:55:56,727 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-19 02:55:56,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-19 02:55:56,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-19 02:55:56,752 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-19 02:55:56,752 INFO L275 PluginConnector]: CDTParser initialized [2019-12-19 02:55:56,753 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix047_power.opt.i [2019-12-19 02:55:56,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d49fe1e6/94f40af9c59b4c21809d0e31bf21cc8c/FLAGa728621c8 [2019-12-19 02:55:57,411 INFO L306 CDTParser]: Found 1 translation units. [2019-12-19 02:55:57,411 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix047_power.opt.i [2019-12-19 02:55:57,426 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d49fe1e6/94f40af9c59b4c21809d0e31bf21cc8c/FLAGa728621c8 [2019-12-19 02:55:57,680 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d49fe1e6/94f40af9c59b4c21809d0e31bf21cc8c [2019-12-19 02:55:57,689 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-19 02:55:57,690 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-19 02:55:57,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-19 02:55:57,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-19 02:55:57,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-19 02:55:57,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 02:55:57" (1/1) ... [2019-12-19 02:55:57,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab9605e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:55:57, skipping insertion in model container [2019-12-19 02:55:57,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 02:55:57" (1/1) ... [2019-12-19 02:55:57,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-19 02:55:57,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-19 02:55:58,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 02:55:58,327 INFO L203 MainTranslator]: Completed pre-run [2019-12-19 02:55:58,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 02:55:58,470 INFO L208 MainTranslator]: Completed translation [2019-12-19 02:55:58,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:55:58 WrapperNode [2019-12-19 02:55:58,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-19 02:55:58,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-19 02:55:58,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-19 02:55:58,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-19 02:55:58,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:55:58" (1/1) ... [2019-12-19 02:55:58,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:55:58" (1/1) ... [2019-12-19 02:55:58,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-19 02:55:58,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-19 02:55:58,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-19 02:55:58,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-19 02:55:58,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:55:58" (1/1) ... [2019-12-19 02:55:58,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:55:58" (1/1) ... [2019-12-19 02:55:58,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:55:58" (1/1) ... [2019-12-19 02:55:58,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:55:58" (1/1) ... [2019-12-19 02:55:58,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:55:58" (1/1) ... [2019-12-19 02:55:58,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:55:58" (1/1) ... [2019-12-19 02:55:58,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:55:58" (1/1) ... [2019-12-19 02:55:58,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-19 02:55:58,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-19 02:55:58,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-19 02:55:58,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-19 02:55:58,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:55:58" (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 [2019-12-19 02:55:58,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-19 02:55:58,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-19 02:55:58,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-19 02:55:58,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-19 02:55:58,654 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-19 02:55:58,654 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-19 02:55:58,655 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-19 02:55:58,655 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-19 02:55:58,655 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-19 02:55:58,655 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-19 02:55:58,655 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-12-19 02:55:58,656 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-12-19 02:55:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-19 02:55:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-19 02:55:58,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-19 02:55:58,658 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-19 02:55:59,442 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-19 02:55:59,443 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-19 02:55:59,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 02:55:59 BoogieIcfgContainer [2019-12-19 02:55:59,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-19 02:55:59,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-19 02:55:59,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-19 02:55:59,449 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-19 02:55:59,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 02:55:57" (1/3) ... [2019-12-19 02:55:59,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a051dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 02:55:59, skipping insertion in model container [2019-12-19 02:55:59,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:55:58" (2/3) ... [2019-12-19 02:55:59,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a051dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 02:55:59, skipping insertion in model container [2019-12-19 02:55:59,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 02:55:59" (3/3) ... [2019-12-19 02:55:59,453 INFO L109 eAbstractionObserver]: Analyzing ICFG mix047_power.opt.i [2019-12-19 02:55:59,465 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-19 02:55:59,465 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-19 02:55:59,474 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-19 02:55:59,475 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-19 02:55:59,513 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,513 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,513 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,513 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,514 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,514 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,515 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,516 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,516 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,516 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,516 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,517 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,517 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,517 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,518 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,518 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,518 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,518 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,519 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,519 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,519 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,519 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,520 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,520 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,520 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,520 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,521 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,521 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,521 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,521 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,522 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,522 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,541 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,542 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,543 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,543 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,543 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,545 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,545 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,545 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,546 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,546 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,549 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,550 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,550 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,550 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,550 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,550 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,551 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,551 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,551 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,551 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,552 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,552 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,552 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,552 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,552 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,553 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,553 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,553 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,553 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,553 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,554 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,554 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,554 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,554 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,555 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,555 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,555 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,555 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,556 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,556 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,556 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,556 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,557 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,557 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,562 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,562 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,563 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,563 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,566 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,566 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,566 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,567 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,569 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,570 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,570 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,570 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,570 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,570 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,571 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,571 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,571 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,571 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,573 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,574 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,574 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,574 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,574 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,574 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,575 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,575 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,575 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,575 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,575 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,576 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:55:59,592 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-19 02:55:59,613 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-19 02:55:59,613 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-19 02:55:59,614 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-19 02:55:59,614 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-19 02:55:59,614 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-19 02:55:59,614 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-19 02:55:59,614 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-19 02:55:59,614 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-19 02:55:59,629 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 180 places, 208 transitions [2019-12-19 02:59:26,764 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 380022 states. [2019-12-19 02:59:26,766 INFO L276 IsEmpty]: Start isEmpty. Operand 380022 states. [2019-12-19 02:59:26,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-19 02:59:26,786 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 02:59:26,787 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 02:59:26,787 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 02:59:26,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 02:59:26,793 INFO L82 PathProgramCache]: Analyzing trace with hash 566671362, now seen corresponding path program 1 times [2019-12-19 02:59:26,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 02:59:26,800 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650547882] [2019-12-19 02:59:26,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 02:59:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 02:59:27,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 02:59:27,244 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650547882] [2019-12-19 02:59:27,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 02:59:27,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-19 02:59:27,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349215316] [2019-12-19 02:59:27,254 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-19 02:59:27,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 02:59:27,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-19 02:59:27,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-19 02:59:27,273 INFO L87 Difference]: Start difference. First operand 380022 states. Second operand 4 states. [2019-12-19 02:59:42,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 02:59:42,347 INFO L93 Difference]: Finished difference Result 396278 states and 2138290 transitions. [2019-12-19 02:59:42,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-19 02:59:42,349 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2019-12-19 02:59:42,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 02:59:44,523 INFO L225 Difference]: With dead ends: 396278 [2019-12-19 02:59:44,523 INFO L226 Difference]: Without dead ends: 344054 [2019-12-19 02:59:44,525 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-19 02:59:51,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344054 states.