/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/mix056_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 12:33:26,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 12:33:26,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 12:33:26,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 12:33:26,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 12:33:26,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 12:33:26,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 12:33:26,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 12:33:26,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 12:33:26,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 12:33:26,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 12:33:26,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 12:33:26,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 12:33:26,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 12:33:26,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 12:33:26,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 12:33:26,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 12:33:26,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 12:33:26,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 12:33:26,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 12:33:26,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 12:33:26,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 12:33:26,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 12:33:26,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 12:33:26,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 12:33:26,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 12:33:26,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 12:33:26,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 12:33:26,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 12:33:26,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 12:33:26,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 12:33:26,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 12:33:26,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 12:33:26,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 12:33:26,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 12:33:26,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 12:33:26,510 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 12:33:26,510 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 12:33:26,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 12:33:26,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 12:33:26,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 12:33:26,515 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2019-12-27 12:33:26,540 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 12:33:26,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 12:33:26,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 12:33:26,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 12:33:26,543 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 12:33:26,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 12:33:26,543 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 12:33:26,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 12:33:26,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 12:33:26,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 12:33:26,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 12:33:26,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 12:33:26,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 12:33:26,546 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 12:33:26,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 12:33:26,546 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 12:33:26,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 12:33:26,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 12:33:26,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 12:33:26,547 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 12:33:26,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 12:33:26,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 12:33:26,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 12:33:26,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 12:33:26,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 12:33:26,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 12:33:26,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 12:33:26,548 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-27 12:33:26,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 12:33:26,549 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 12:33:26,856 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 12:33:26,869 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 12:33:26,872 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 12:33:26,874 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 12:33:26,874 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 12:33:26,875 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix056_power.opt.i [2019-12-27 12:33:26,937 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42949c087/df362d89c871487a989a74ea6e886d6e/FLAGfcdd9a81f [2019-12-27 12:33:27,527 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 12:33:27,528 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix056_power.opt.i [2019-12-27 12:33:27,551 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42949c087/df362d89c871487a989a74ea6e886d6e/FLAGfcdd9a81f [2019-12-27 12:33:27,768 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42949c087/df362d89c871487a989a74ea6e886d6e [2019-12-27 12:33:27,776 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 12:33:27,778 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 12:33:27,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 12:33:27,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 12:33:27,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 12:33:27,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 12:33:27" (1/1) ... [2019-12-27 12:33:27,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fdaac8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:33:27, skipping insertion in model container [2019-12-27 12:33:27,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 12:33:27" (1/1) ... [2019-12-27 12:33:27,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 12:33:27,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 12:33:28,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 12:33:28,372 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 12:33:28,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 12:33:28,531 INFO L208 MainTranslator]: Completed translation [2019-12-27 12:33:28,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:33:28 WrapperNode [2019-12-27 12:33:28,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 12:33:28,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 12:33:28,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 12:33:28,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 12:33:28,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:33:28" (1/1) ... [2019-12-27 12:33:28,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:33:28" (1/1) ... [2019-12-27 12:33:28,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 12:33:28,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 12:33:28,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 12:33:28,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 12:33:28,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:33:28" (1/1) ... [2019-12-27 12:33:28,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:33:28" (1/1) ... [2019-12-27 12:33:28,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:33:28" (1/1) ... [2019-12-27 12:33:28,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:33:28" (1/1) ... [2019-12-27 12:33:28,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:33:28" (1/1) ... [2019-12-27 12:33:28,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:33:28" (1/1) ... [2019-12-27 12:33:28,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:33:28" (1/1) ... [2019-12-27 12:33:28,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 12:33:28,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 12:33:28,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 12:33:28,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 12:33:28,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:33:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 12:33:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 12:33:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 12:33:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 12:33:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 12:33:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 12:33:28,755 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 12:33:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 12:33:28,755 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 12:33:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-27 12:33:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-27 12:33:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 12:33:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 12:33:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 12:33:28,758 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 12:33:29,505 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 12:33:29,506 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-27 12:33:29,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 12:33:29 BoogieIcfgContainer [2019-12-27 12:33:29,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 12:33:29,509 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 12:33:29,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 12:33:29,512 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 12:33:29,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 12:33:27" (1/3) ... [2019-12-27 12:33:29,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5653e1c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 12:33:29, skipping insertion in model container [2019-12-27 12:33:29,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:33:28" (2/3) ... [2019-12-27 12:33:29,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5653e1c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 12:33:29, skipping insertion in model container [2019-12-27 12:33:29,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 12:33:29" (3/3) ... [2019-12-27 12:33:29,516 INFO L109 eAbstractionObserver]: Analyzing ICFG mix056_power.opt.i [2019-12-27 12:33:29,527 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 12:33:29,528 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 12:33:29,536 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-27 12:33:29,537 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 12:33:29,573 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,574 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,574 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,574 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,575 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,575 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,576 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,576 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,576 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,576 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,577 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,579 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,579 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,579 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,580 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,580 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,580 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,581 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,581 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,581 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,581 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,582 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,582 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,582 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,582 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,583 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,583 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,583 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,583 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,584 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,584 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,584 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,584 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,585 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,585 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,585 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,586 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,586 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,587 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,587 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,587 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,587 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,588 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,588 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,588 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,589 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,589 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,589 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,589 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,590 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,590 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,590 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,590 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,591 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,591 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,591 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,591 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,592 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,592 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,592 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,592 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,593 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,593 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,593 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,593 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,594 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,594 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,594 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,594 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,595 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,599 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,599 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,599 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,599 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,600 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,600 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,600 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,600 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,601 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,601 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,601 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,601 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,604 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,605 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,605 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,605 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,608 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,609 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,609 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,609 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,609 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,610 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,610 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,610 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,610 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,610 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 12:33:29,626 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 12:33:29,663 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 12:33:29,663 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 12:33:29,663 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 12:33:29,664 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 12:33:29,664 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 12:33:29,664 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 12:33:29,664 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 12:33:29,664 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 12:33:29,679 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 162 places, 193 transitions [2019-12-27 12:33:44,818 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 92465 states. [2019-12-27 12:33:44,820 INFO L276 IsEmpty]: Start isEmpty. Operand 92465 states. [2019-12-27 12:33:44,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-27 12:33:44,835 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 12:33:44,836 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] [2019-12-27 12:33:44,837 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 12:33:44,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 12:33:44,843 INFO L82 PathProgramCache]: Analyzing trace with hash -40692432, now seen corresponding path program 1 times [2019-12-27 12:33:44,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 12:33:44,854 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158850230] [2019-12-27 12:33:44,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 12:33:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 12:33:45,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 12:33:45,166 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158850230] [2019-12-27 12:33:45,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 12:33:45,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 12:33:45,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875173833] [2019-12-27 12:33:45,174 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 12:33:45,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 12:33:45,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 12:33:45,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 12:33:45,196 INFO L87 Difference]: Start difference. First operand 92465 states. Second operand 4 states. [2019-12-27 12:33:46,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 12:33:46,516 INFO L93 Difference]: Finished difference Result 96401 states and 448737 transitions. [2019-12-27 12:33:46,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 12:33:46,518 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2019-12-27 12:33:46,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 12:33:47,165 INFO L225 Difference]: With dead ends: 96401 [2019-12-27 12:33:47,165 INFO L226 Difference]: Without dead ends: 85521 [2019-12-27 12:33:47,167 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 12:33:50,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85521 states. [2019-12-27 12:33:55,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85521 to 85521. [2019-12-27 12:33:55,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85521 states. [2019-12-27 12:33:56,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85521 states to 85521 states and 400697 transitions. [2019-12-27 12:33:56,311 INFO L78 Accepts]: Start accepts. Automaton has 85521 states and 400697 transitions. Word has length 44 [2019-12-27 12:33:56,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 12:33:56,313 INFO L462 AbstractCegarLoop]: Abstraction has 85521 states and 400697 transitions. [2019-12-27 12:33:56,313 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 12:33:56,313 INFO L276 IsEmpty]: Start isEmpty. Operand 85521 states and 400697 transitions. [2019-12-27 12:33:56,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-27 12:33:56,327 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 12:33:56,327 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 12:33:56,328 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 12:33:56,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 12:33:56,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1486807028, now seen corresponding path program 1 times [2019-12-27 12:33:56,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 12:33:56,329 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611807972] [2019-12-27 12:33:56,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 12:33:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 12:33:56,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 12:33:56,506 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611807972] [2019-12-27 12:33:56,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 12:33:56,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 12:33:56,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749801493] [2019-12-27 12:33:56,508 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 12:33:56,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 12:33:56,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 12:33:56,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-27 12:33:56,509 INFO L87 Difference]: Start difference. First operand 85521 states and 400697 transitions. Second operand 5 states. [2019-12-27 12:33:58,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 12:33:58,686 INFO L93 Difference]: Finished difference Result 139649 states and 623533 transitions. [2019-12-27 12:33:58,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-27 12:33:58,686 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-12-27 12:33:58,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 12:33:59,407 INFO L225 Difference]: With dead ends: 139649 [2019-12-27 12:33:59,407 INFO L226 Difference]: Without dead ends: 138929 [2019-12-27 12:33:59,408 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-27 12:34:04,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138929 states. [2019-12-27 12:34:07,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138929 to 132785. [2019-12-27 12:34:07,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132785 states. [2019-12-27 12:34:07,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132785 states to 132785 states and 597161 transitions. [2019-12-27 12:34:07,773 INFO L78 Accepts]: Start accepts. Automaton has 132785 states and 597161 transitions. Word has length 51 [2019-12-27 12:34:07,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 12:34:07,774 INFO L462 AbstractCegarLoop]: Abstraction has 132785 states and 597161 transitions. [2019-12-27 12:34:07,774 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 12:34:07,774 INFO L276 IsEmpty]: Start isEmpty. Operand 132785 states and 597161 transitions. [2019-12-27 12:34:07,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-27 12:34:07,783 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 12:34:07,783 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] [2019-12-27 12:34:07,784 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 12:34:07,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 12:34:07,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1932443739, now seen corresponding path program 1 times [2019-12-27 12:34:07,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 12:34:07,785 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401322188] [2019-12-27 12:34:07,785 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 12:34:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 12:34:07,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 12:34:07,873 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401322188] [2019-12-27 12:34:07,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 12:34:07,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 12:34:07,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231273473] [2019-12-27 12:34:07,874 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 12:34:07,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 12:34:07,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 12:34:07,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-27 12:34:07,875 INFO L87 Difference]: Start difference. First operand 132785 states and 597161 transitions. Second operand 5 states. [2019-12-27 12:34:13,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 12:34:13,083 INFO L93 Difference]: Finished difference Result 161553 states and 717781 transitions. [2019-12-27 12:34:13,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-27 12:34:13,083 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-12-27 12:34:13,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 12:34:14,296 INFO L225 Difference]: With dead ends: 161553 [2019-12-27 12:34:14,297 INFO L226 Difference]: Without dead ends: 160753 [2019-12-27 12:34:14,297 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-27 12:34:15,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160753 states. [2019-12-27 12:34:18,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160753 to 139077. [2019-12-27 12:34:18,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139077 states. [2019-12-27 12:34:19,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139077 states to 139077 states and 623064 transitions. [2019-12-27 12:34:19,204 INFO L78 Accepts]: Start accepts. Automaton has 139077 states and 623064 transitions. Word has length 52 [2019-12-27 12:34:19,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 12:34:19,205 INFO L462 AbstractCegarLoop]: Abstraction has 139077 states and 623064 transitions. [2019-12-27 12:34:19,205 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 12:34:19,205 INFO L276 IsEmpty]: Start isEmpty. Operand 139077 states and 623064 transitions. [2019-12-27 12:34:19,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-27 12:34:19,242 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 12:34:19,242 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 12:34:19,242 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 12:34:19,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 12:34:19,242 INFO L82 PathProgramCache]: Analyzing trace with hash 389383967, now seen corresponding path program 1 times [2019-12-27 12:34:19,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 12:34:19,243 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98203719] [2019-12-27 12:34:19,243 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 12:34:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 12:34:19,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 12:34:19,342 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98203719] [2019-12-27 12:34:19,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 12:34:19,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 12:34:19,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596105589] [2019-12-27 12:34:19,352 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 12:34:19,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 12:34:19,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 12:34:19,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-27 12:34:19,353 INFO L87 Difference]: Start difference. First operand 139077 states and 623064 transitions. Second operand 6 states. [2019-12-27 12:34:25,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 12:34:25,723 INFO L93 Difference]: Finished difference Result 183581 states and 805090 transitions. [2019-12-27 12:34:25,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-27 12:34:25,723 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2019-12-27 12:34:25,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 12:34:27,034 INFO L225 Difference]: With dead ends: 183581 [2019-12-27 12:34:27,035 INFO L226 Difference]: Without dead ends: 182861 [2019-12-27 12:34:27,035 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2019-12-27 12:34:27,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182861 states. [2019-12-27 12:34:30,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182861 to 134929. [2019-12-27 12:34:30,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134929 states. [2019-12-27 12:34:37,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134929 states to 134929 states and 604573 transitions. [2019-12-27 12:34:37,654 INFO L78 Accepts]: Start accepts. Automaton has 134929 states and 604573 transitions. Word has length 59 [2019-12-27 12:34:37,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 12:34:37,655 INFO L462 AbstractCegarLoop]: Abstraction has 134929 states and 604573 transitions. [2019-12-27 12:34:37,655 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 12:34:37,655 INFO L276 IsEmpty]: Start isEmpty. Operand 134929 states and 604573 transitions. [2019-12-27 12:34:37,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-27 12:34:37,734 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 12:34:37,734 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 12:34:37,734 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 12:34:37,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 12:34:37,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1647505986, now seen corresponding path program 1 times [2019-12-27 12:34:37,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 12:34:37,735 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579310758] [2019-12-27 12:34:37,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 12:34:37,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 12:34:37,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 12:34:37,902 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579310758] [2019-12-27 12:34:37,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 12:34:37,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 12:34:37,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498604360] [2019-12-27 12:34:37,903 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 12:34:37,903 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 12:34:37,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 12:34:37,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-27 12:34:37,904 INFO L87 Difference]: Start difference. First operand 134929 states and 604573 transitions. Second operand 6 states. [2019-12-27 12:34:40,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 12:34:40,832 INFO L93 Difference]: Finished difference Result 185113 states and 812727 transitions. [2019-12-27 12:34:40,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-27 12:34:40,832 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2019-12-27 12:34:40,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 12:34:41,504 INFO L225 Difference]: With dead ends: 185113 [2019-12-27 12:34:41,504 INFO L226 Difference]: Without dead ends: 183913 [2019-12-27 12:34:41,505 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-12-27 12:34:42,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183913 states. [2019-12-27 12:34:52,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183913 to 160429. [2019-12-27 12:34:52,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160429 states. [2019-12-27 12:34:53,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160429 states to 160429 states and 711514 transitions. [2019-12-27 12:34:53,470 INFO L78 Accepts]: Start accepts. Automaton has 160429 states and 711514 transitions. Word has length 66 [2019-12-27 12:34:53,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 12:34:53,470 INFO L462 AbstractCegarLoop]: Abstraction has 160429 states and 711514 transitions. [2019-12-27 12:34:53,471 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 12:34:53,471 INFO L276 IsEmpty]: Start isEmpty. Operand 160429 states and 711514 transitions. [2019-12-27 12:34:53,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-27 12:34:53,580 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 12:34:53,580 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 12:34:53,581 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 12:34:53,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 12:34:53,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1697234032, now seen corresponding path program 1 times [2019-12-27 12:34:53,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 12:34:53,582 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233745627] [2019-12-27 12:34:53,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 12:34:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 12:34:53,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 12:34:53,630 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233745627] [2019-12-27 12:34:53,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 12:34:53,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 12:34:53,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816859173] [2019-12-27 12:34:53,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 12:34:53,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 12:34:53,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 12:34:53,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 12:34:53,632 INFO L87 Difference]: Start difference. First operand 160429 states and 711514 transitions. Second operand 3 states. [2019-12-27 12:35:00,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 12:35:00,734 INFO L93 Difference]: Finished difference Result 202237 states and 884074 transitions. [2019-12-27 12:35:00,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 12:35:00,734 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-12-27 12:35:00,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 12:35:01,410 INFO L225 Difference]: With dead ends: 202237 [2019-12-27 12:35:01,410 INFO L226 Difference]: Without dead ends: 202237 [2019-12-27 12:35:01,411 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 12:35:02,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202237 states. [2019-12-27 12:35:06,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202237 to 176149. [2019-12-27 12:35:06,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176149 states. [2019-12-27 12:35:07,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176149 states to 176149 states and 777056 transitions. [2019-12-27 12:35:07,451 INFO L78 Accepts]: Start accepts. Automaton has 176149 states and 777056 transitions. Word has length 68 [2019-12-27 12:35:07,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 12:35:07,452 INFO L462 AbstractCegarLoop]: Abstraction has 176149 states and 777056 transitions. [2019-12-27 12:35:07,452 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 12:35:07,452 INFO L276 IsEmpty]: Start isEmpty. Operand 176149 states and 777056 transitions. [2019-12-27 12:35:07,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-27 12:35:07,619 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 12:35:07,619 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 12:35:07,619 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 12:35:07,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 12:35:07,620 INFO L82 PathProgramCache]: Analyzing trace with hash 865455602, now seen corresponding path program 1 times [2019-12-27 12:35:07,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 12:35:07,620 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332064989] [2019-12-27 12:35:07,620 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 12:35:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 12:35:07,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 12:35:07,737 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332064989] [2019-12-27 12:35:07,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 12:35:07,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-27 12:35:07,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383488627] [2019-12-27 12:35:07,738 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 12:35:07,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 12:35:07,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 12:35:07,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-27 12:35:07,739 INFO L87 Difference]: Start difference. First operand 176149 states and 777056 transitions. Second operand 7 states. [2019-12-27 12:35:18,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 12:35:18,292 INFO L93 Difference]: Finished difference Result 224101 states and 971732 transitions. [2019-12-27 12:35:18,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-27 12:35:18,293 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2019-12-27 12:35:18,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 12:35:19,105 INFO L225 Difference]: With dead ends: 224101 [2019-12-27 12:35:19,105 INFO L226 Difference]: Without dead ends: 222901 [2019-12-27 12:35:19,106 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2019-12-27 12:35:20,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222901 states. [2019-12-27 12:35:24,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222901 to 180725. [2019-12-27 12:35:24,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180725 states. [2019-12-27 12:35:24,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180725 states to 180725 states and 796148 transitions. [2019-12-27 12:35:24,847 INFO L78 Accepts]: Start accepts. Automaton has 180725 states and 796148 transitions. Word has length 72 [2019-12-27 12:35:24,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 12:35:24,847 INFO L462 AbstractCegarLoop]: Abstraction has 180725 states and 796148 transitions. [2019-12-27 12:35:24,848 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 12:35:24,848 INFO L276 IsEmpty]: Start isEmpty. Operand 180725 states and 796148 transitions. [2019-12-27 12:35:25,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-27 12:35:25,002 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 12:35:25,002 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 12:35:25,002 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 12:35:25,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 12:35:25,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1065266562, now seen corresponding path program 1 times [2019-12-27 12:35:25,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 12:35:25,003 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204087401] [2019-12-27 12:35:25,003 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 12:35:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 12:35:25,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 12:35:25,101 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204087401] [2019-12-27 12:35:25,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 12:35:25,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-27 12:35:25,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906080395] [2019-12-27 12:35:25,102 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 12:35:25,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 12:35:25,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 12:35:25,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-27 12:35:25,103 INFO L87 Difference]: Start difference. First operand 180725 states and 796148 transitions. Second operand 7 states. [2019-12-27 12:35:32,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 12:35:32,758 INFO L93 Difference]: Finished difference Result 220861 states and 957730 transitions. [2019-12-27 12:35:32,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-27 12:35:32,758 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2019-12-27 12:35:32,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 12:35:34,250 INFO L225 Difference]: With dead ends: 220861 [2019-12-27 12:35:34,250 INFO L226 Difference]: Without dead ends: 219861 [2019-12-27 12:35:34,251 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2019-12-27 12:35:35,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219861 states. [2019-12-27 12:35:39,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219861 to 184237. [2019-12-27 12:35:39,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184237 states. [2019-12-27 12:35:48,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184237 states to 184237 states and 810266 transitions. [2019-12-27 12:35:48,489 INFO L78 Accepts]: Start accepts. Automaton has 184237 states and 810266 transitions. Word has length 73 [2019-12-27 12:35:48,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 12:35:48,489 INFO L462 AbstractCegarLoop]: Abstraction has 184237 states and 810266 transitions. [2019-12-27 12:35:48,489 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 12:35:48,489 INFO L276 IsEmpty]: Start isEmpty. Operand 184237 states and 810266 transitions. [2019-12-27 12:35:48,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-27 12:35:48,681 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 12:35:48,681 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 12:35:48,681 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 12:35:48,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 12:35:48,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1937054117, now seen corresponding path program 1 times [2019-12-27 12:35:48,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 12:35:48,682 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407867654] [2019-12-27 12:35:48,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 12:35:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 12:35:48,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 12:35:48,819 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407867654] [2019-12-27 12:35:48,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 12:35:48,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 12:35:48,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387148849] [2019-12-27 12:35:48,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 12:35:48,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 12:35:48,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 12:35:48,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-27 12:35:48,826 INFO L87 Difference]: Start difference. First operand 184237 states and 810266 transitions. Second operand 6 states. [2019-12-27 12:35:52,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 12:35:52,666 INFO L93 Difference]: Finished difference Result 262765 states and 1148126 transitions. [2019-12-27 12:35:52,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-27 12:35:52,666 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 75 [2019-12-27 12:35:52,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 12:35:53,619 INFO L225 Difference]: With dead ends: 262765 [2019-12-27 12:35:53,619 INFO L226 Difference]: Without dead ends: 260189 [2019-12-27 12:35:53,619 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-27 12:35:54,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260189 states. [2019-12-27 12:36:07,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260189 to 224437. [2019-12-27 12:36:07,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224437 states. [2019-12-27 12:36:09,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224437 states to 224437 states and 986536 transitions. [2019-12-27 12:36:09,147 INFO L78 Accepts]: Start accepts. Automaton has 224437 states and 986536 transitions. Word has length 75 [2019-12-27 12:36:09,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 12:36:09,147 INFO L462 AbstractCegarLoop]: Abstraction has 224437 states and 986536 transitions. [2019-12-27 12:36:09,148 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 12:36:09,148 INFO L276 IsEmpty]: Start isEmpty. Operand 224437 states and 986536 transitions. [2019-12-27 12:36:09,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-27 12:36:09,434 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 12:36:09,434 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 12:36:09,434 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 12:36:09,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 12:36:09,434 INFO L82 PathProgramCache]: Analyzing trace with hash -975440100, now seen corresponding path program 1 times [2019-12-27 12:36:09,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 12:36:09,435 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466454968] [2019-12-27 12:36:09,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 12:36:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 12:36:09,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 12:36:09,554 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466454968] [2019-12-27 12:36:09,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 12:36:09,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-27 12:36:09,555 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017623378] [2019-12-27 12:36:09,555 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 12:36:09,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 12:36:09,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 12:36:09,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-12-27 12:36:09,556 INFO L87 Difference]: Start difference. First operand 224437 states and 986536 transitions. Second operand 7 states. [2019-12-27 12:36:19,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 12:36:19,332 INFO L93 Difference]: Finished difference Result 332389 states and 1421212 transitions. [2019-12-27 12:36:19,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-27 12:36:19,332 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2019-12-27 12:36:19,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 12:36:20,485 INFO L225 Difference]: With dead ends: 332389 [2019-12-27 12:36:20,485 INFO L226 Difference]: Without dead ends: 332389 [2019-12-27 12:36:20,486 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-12-27 12:36:22,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332389 states. Received shutdown request... [2019-12-27 12:36:29,987 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-27 12:36:29,991 WARN L227 ceAbstractionStarter]: Timeout [2019-12-27 12:36:29,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 12:36:29 BasicIcfg [2019-12-27 12:36:29,992 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 12:36:30,002 INFO L168 Benchmark]: Toolchain (without parser) took 182215.82 ms. Allocated memory was 143.7 MB in the beginning and 5.2 GB in the end (delta: 5.1 GB). Free memory was 99.5 MB in the beginning and 3.1 GB in the end (delta: -3.0 GB). Peak memory consumption was 3.4 GB. Max. memory is 7.1 GB. [2019-12-27 12:36:30,003 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-27 12:36:30,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.81 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 99.3 MB in the beginning and 152.3 MB in the end (delta: -53.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-12-27 12:36:30,010 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.40 ms. Allocated memory is still 200.8 MB. Free memory was 152.3 MB in the beginning and 149.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-12-27 12:36:30,010 INFO L168 Benchmark]: Boogie Preprocessor took 60.88 ms. Allocated memory is still 200.8 MB. Free memory was 149.5 MB in the beginning and 147.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-12-27 12:36:30,011 INFO L168 Benchmark]: RCFGBuilder took 830.01 ms. Allocated memory is still 200.8 MB. Free memory was 147.4 MB in the beginning and 100.1 MB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. [2019-12-27 12:36:30,018 INFO L168 Benchmark]: TraceAbstraction took 180483.17 ms. Allocated memory was 200.8 MB in the beginning and 5.2 GB in the end (delta: 5.0 GB). Free memory was 100.1 MB in the beginning and 3.1 GB in the end (delta: -3.0 GB). Peak memory consumption was 3.3 GB. Max. memory is 7.1 GB. [2019-12-27 12:36:30,022 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 753.81 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 99.3 MB in the beginning and 152.3 MB in the end (delta: -53.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 82.40 ms. Allocated memory is still 200.8 MB. Free memory was 152.3 MB in the beginning and 149.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.88 ms. Allocated memory is still 200.8 MB. Free memory was 149.5 MB in the beginning and 147.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 830.01 ms. Allocated memory is still 200.8 MB. Free memory was 147.4 MB in the beginning and 100.1 MB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 180483.17 ms. Allocated memory was 200.8 MB in the beginning and 5.2 GB in the end (delta: 5.0 GB). Free memory was 100.1 MB in the beginning and 3.1 GB in the end (delta: -3.0 GB). Peak memory consumption was 3.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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, 153 locations, 2 error locations. Result: TIMEOUT, OverallTime: 180.3s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 66.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3413 SDtfs, 4301 SDslu, 8509 SDs, 0 SdLazy, 3746 SolverSat, 291 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224437occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 96.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 238876 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 635 NumberOfCodeBlocks, 635 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 625 ConstructedInterpolants, 0 QuantifiedInterpolants, 91511 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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