/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe031_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 05:22:08,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 05:22:08,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 05:22:08,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 05:22:08,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 05:22:08,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 05:22:08,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 05:22:08,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 05:22:08,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 05:22:08,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 05:22:08,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 05:22:08,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 05:22:08,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 05:22:08,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 05:22:08,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 05:22:08,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 05:22:08,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 05:22:08,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 05:22:08,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 05:22:08,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 05:22:08,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 05:22:08,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 05:22:08,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 05:22:08,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 05:22:08,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-28 05:22:08,363 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-28 05:22:08,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-28 05:22:08,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-28 05:22:08,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-28 05:22:08,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-28 05:22:08,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 05:22:08,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 05:22:08,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 05:22:08,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 05:22:08,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 05:22:08,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 05:22:08,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 05:22:08,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 05:22:08,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 05:22:08,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 05:22:08,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 05:22:08,385 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf [2019-12-28 05:22:08,405 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 05:22:08,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 05:22:08,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 05:22:08,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 05:22:08,409 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 05:22:08,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 05:22:08,409 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 05:22:08,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 05:22:08,409 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 05:22:08,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 05:22:08,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 05:22:08,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 05:22:08,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 05:22:08,412 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 05:22:08,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 05:22:08,413 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 05:22:08,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 05:22:08,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 05:22:08,413 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 05:22:08,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 05:22:08,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 05:22:08,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 05:22:08,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 05:22:08,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 05:22:08,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 05:22:08,415 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 05:22:08,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 05:22:08,415 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 05:22:08,416 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 05:22:08,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 05:22:08,417 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 05:22:08,417 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 05:22:08,687 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 05:22:08,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 05:22:08,714 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 05:22:08,715 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 05:22:08,716 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 05:22:08,717 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe031_pso.opt.i [2019-12-28 05:22:08,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2816b174f/a1d24262c4884a24ac614f4f5c71a489/FLAG778e35f00 [2019-12-28 05:22:09,349 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 05:22:09,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_pso.opt.i [2019-12-28 05:22:09,366 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2816b174f/a1d24262c4884a24ac614f4f5c71a489/FLAG778e35f00 [2019-12-28 05:22:09,633 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2816b174f/a1d24262c4884a24ac614f4f5c71a489 [2019-12-28 05:22:09,644 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 05:22:09,646 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 05:22:09,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 05:22:09,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 05:22:09,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 05:22:09,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:22:09" (1/1) ... [2019-12-28 05:22:09,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c9a81ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:09, skipping insertion in model container [2019-12-28 05:22:09,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:22:09" (1/1) ... [2019-12-28 05:22:09,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 05:22:09,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 05:22:10,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 05:22:10,414 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 05:22:10,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 05:22:10,564 INFO L208 MainTranslator]: Completed translation [2019-12-28 05:22:10,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:10 WrapperNode [2019-12-28 05:22:10,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 05:22:10,566 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 05:22:10,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 05:22:10,566 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 05:22:10,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:10" (1/1) ... [2019-12-28 05:22:10,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:10" (1/1) ... [2019-12-28 05:22:10,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 05:22:10,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 05:22:10,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 05:22:10,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 05:22:10,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:10" (1/1) ... [2019-12-28 05:22:10,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:10" (1/1) ... [2019-12-28 05:22:10,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:10" (1/1) ... [2019-12-28 05:22:10,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:10" (1/1) ... [2019-12-28 05:22:10,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:10" (1/1) ... [2019-12-28 05:22:10,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:10" (1/1) ... [2019-12-28 05:22:10,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:10" (1/1) ... [2019-12-28 05:22:10,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 05:22:10,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 05:22:10,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 05:22:10,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 05:22:10,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 05:22:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 05:22:10,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 05:22:10,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 05:22:10,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 05:22:10,771 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-28 05:22:10,772 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-28 05:22:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-28 05:22:10,773 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-28 05:22:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-28 05:22:10,773 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-28 05:22:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 05:22:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 05:22:10,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 05:22:10,776 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-28 05:22:11,516 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 05:22:11,516 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-28 05:22:11,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:22:11 BoogieIcfgContainer [2019-12-28 05:22:11,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 05:22:11,520 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 05:22:11,520 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 05:22:11,523 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 05:22:11,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:22:09" (1/3) ... [2019-12-28 05:22:11,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a9d9b57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:22:11, skipping insertion in model container [2019-12-28 05:22:11,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:22:10" (2/3) ... [2019-12-28 05:22:11,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a9d9b57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:22:11, skipping insertion in model container [2019-12-28 05:22:11,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:22:11" (3/3) ... [2019-12-28 05:22:11,527 INFO L109 eAbstractionObserver]: Analyzing ICFG safe031_pso.opt.i [2019-12-28 05:22:11,539 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 05:22:11,539 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 05:22:11,547 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-28 05:22:11,548 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 05:22:11,592 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,593 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,593 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,593 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,594 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,594 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,596 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,596 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,596 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,597 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,597 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,598 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,598 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,598 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,602 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,602 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,604 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,605 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,605 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,605 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,605 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,606 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,606 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,607 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,607 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,607 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,608 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,608 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,608 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,609 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,609 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,609 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,610 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,610 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,611 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,611 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,613 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,614 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,614 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,614 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,615 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,615 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,615 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,615 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,616 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,616 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,616 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,617 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,618 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,618 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,619 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,619 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,619 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,619 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,620 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,620 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,620 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,620 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,621 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,621 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,621 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,621 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,622 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,622 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,622 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,622 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,623 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,623 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,624 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,624 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,629 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,630 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,630 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,630 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,630 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,631 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,631 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,631 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,631 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,632 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,632 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,633 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,636 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,636 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,637 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,637 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,639 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,639 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,640 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,640 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,640 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,640 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,641 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,641 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,641 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,641 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:22:11,671 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-28 05:22:11,688 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 05:22:11,688 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 05:22:11,688 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 05:22:11,688 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 05:22:11,689 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 05:22:11,689 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 05:22:11,689 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 05:22:11,689 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 05:22:11,704 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 162 places, 193 transitions [2019-12-28 05:22:25,537 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 92465 states. [2019-12-28 05:22:25,539 INFO L276 IsEmpty]: Start isEmpty. Operand 92465 states. [2019-12-28 05:22:25,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-28 05:22:25,552 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:22:25,553 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] [2019-12-28 05:22:25,554 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:22:25,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:22:25,561 INFO L82 PathProgramCache]: Analyzing trace with hash 799143583, now seen corresponding path program 1 times [2019-12-28 05:22:25,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:22:25,573 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848890097] [2019-12-28 05:22:25,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:22:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:22:25,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:22:25,906 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848890097] [2019-12-28 05:22:25,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:22:25,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 05:22:25,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1568424310] [2019-12-28 05:22:25,909 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:22:25,918 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:22:25,943 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 45 states and 44 transitions. [2019-12-28 05:22:25,944 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:22:25,950 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:22:25,950 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 05:22:25,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:22:25,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 05:22:25,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 05:22:25,969 INFO L87 Difference]: Start difference. First operand 92465 states. Second operand 4 states. [2019-12-28 05:22:28,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:22:28,611 INFO L93 Difference]: Finished difference Result 96401 states and 448737 transitions. [2019-12-28 05:22:28,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-28 05:22:28,613 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2019-12-28 05:22:28,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:22:29,242 INFO L225 Difference]: With dead ends: 96401 [2019-12-28 05:22:29,243 INFO L226 Difference]: Without dead ends: 85521 [2019-12-28 05:22:29,245 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 05:22:30,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85521 states. [2019-12-28 05:22:34,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85521 to 85521. [2019-12-28 05:22:34,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85521 states. [2019-12-28 05:22:37,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85521 states to 85521 states and 400697 transitions. [2019-12-28 05:22:37,859 INFO L78 Accepts]: Start accepts. Automaton has 85521 states and 400697 transitions. Word has length 44 [2019-12-28 05:22:37,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:22:37,860 INFO L462 AbstractCegarLoop]: Abstraction has 85521 states and 400697 transitions. [2019-12-28 05:22:37,861 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-28 05:22:37,861 INFO L276 IsEmpty]: Start isEmpty. Operand 85521 states and 400697 transitions. [2019-12-28 05:22:37,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-28 05:22:37,875 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:22:37,876 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] [2019-12-28 05:22:37,876 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:22:37,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:22:37,877 INFO L82 PathProgramCache]: Analyzing trace with hash 727988385, now seen corresponding path program 1 times [2019-12-28 05:22:37,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:22:37,878 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861901528] [2019-12-28 05:22:37,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:22:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:22:37,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:22:37,990 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861901528] [2019-12-28 05:22:37,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:22:37,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 05:22:37,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1547767383] [2019-12-28 05:22:37,991 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:22:37,998 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:22:38,013 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 80 states and 107 transitions. [2019-12-28 05:22:38,013 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:22:38,016 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 1 times. [2019-12-28 05:22:38,018 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 05:22:38,018 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:22:38,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 05:22:38,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-28 05:22:38,019 INFO L87 Difference]: Start difference. First operand 85521 states and 400697 transitions. Second operand 5 states. [2019-12-28 05:22:40,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:22:40,308 INFO L93 Difference]: Finished difference Result 139649 states and 623533 transitions. [2019-12-28 05:22:40,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 05:22:40,308 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-12-28 05:22:40,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:22:41,024 INFO L225 Difference]: With dead ends: 139649 [2019-12-28 05:22:41,024 INFO L226 Difference]: Without dead ends: 138929 [2019-12-28 05:22:41,025 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-28 05:22:46,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138929 states. [2019-12-28 05:22:48,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138929 to 132785. [2019-12-28 05:22:48,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132785 states. [2019-12-28 05:22:49,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132785 states to 132785 states and 597161 transitions. [2019-12-28 05:22:49,305 INFO L78 Accepts]: Start accepts. Automaton has 132785 states and 597161 transitions. Word has length 51 [2019-12-28 05:22:49,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:22:49,306 INFO L462 AbstractCegarLoop]: Abstraction has 132785 states and 597161 transitions. [2019-12-28 05:22:49,306 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 05:22:49,306 INFO L276 IsEmpty]: Start isEmpty. Operand 132785 states and 597161 transitions. [2019-12-28 05:22:49,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-28 05:22:49,315 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:22:49,316 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] [2019-12-28 05:22:49,316 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:22:49,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:22:49,316 INFO L82 PathProgramCache]: Analyzing trace with hash 893608449, now seen corresponding path program 1 times [2019-12-28 05:22:49,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:22:49,317 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233750719] [2019-12-28 05:22:49,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:22:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:22:49,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:22:49,483 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233750719] [2019-12-28 05:22:49,484 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:22:49,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 05:22:49,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [92247960] [2019-12-28 05:22:49,484 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:22:49,489 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:22:49,495 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 53 states and 52 transitions. [2019-12-28 05:22:49,495 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:22:49,496 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:22:49,496 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 05:22:49,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:22:49,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 05:22:49,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-28 05:22:49,497 INFO L87 Difference]: Start difference. First operand 132785 states and 597161 transitions. Second operand 5 states. [2019-12-28 05:22:55,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:22:55,483 INFO L93 Difference]: Finished difference Result 161553 states and 717781 transitions. [2019-12-28 05:22:55,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 05:22:55,484 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-12-28 05:22:55,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:22:55,987 INFO L225 Difference]: With dead ends: 161553 [2019-12-28 05:22:55,987 INFO L226 Difference]: Without dead ends: 160753 [2019-12-28 05:22:55,987 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 [2019-12-28 05:22:57,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160753 states. [2019-12-28 05:22:59,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160753 to 139077. [2019-12-28 05:22:59,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139077 states. [2019-12-28 05:23:01,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139077 states to 139077 states and 623064 transitions. [2019-12-28 05:23:01,281 INFO L78 Accepts]: Start accepts. Automaton has 139077 states and 623064 transitions. Word has length 52 [2019-12-28 05:23:01,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:23:01,283 INFO L462 AbstractCegarLoop]: Abstraction has 139077 states and 623064 transitions. [2019-12-28 05:23:01,284 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 05:23:01,285 INFO L276 IsEmpty]: Start isEmpty. Operand 139077 states and 623064 transitions. [2019-12-28 05:23:01,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-28 05:23:01,324 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:23:01,324 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] [2019-12-28 05:23:01,325 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:23:01,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:23:01,325 INFO L82 PathProgramCache]: Analyzing trace with hash 472678915, now seen corresponding path program 1 times [2019-12-28 05:23:01,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:23:01,326 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564763072] [2019-12-28 05:23:01,326 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:23:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:23:01,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:23:01,430 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564763072] [2019-12-28 05:23:01,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:23:01,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 05:23:01,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1090565481] [2019-12-28 05:23:01,432 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:23:01,439 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:23:01,453 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 102 states and 143 transitions. [2019-12-28 05:23:01,453 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:23:01,455 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 1 times. [2019-12-28 05:23:01,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 05:23:01,455 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:23:01,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 05:23:01,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-28 05:23:01,456 INFO L87 Difference]: Start difference. First operand 139077 states and 623064 transitions. Second operand 6 states. [2019-12-28 05:23:08,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:23:08,099 INFO L93 Difference]: Finished difference Result 183581 states and 805090 transitions. [2019-12-28 05:23:08,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-28 05:23:08,100 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2019-12-28 05:23:08,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:23:08,765 INFO L225 Difference]: With dead ends: 183581 [2019-12-28 05:23:08,766 INFO L226 Difference]: Without dead ends: 182861 [2019-12-28 05:23:08,766 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2019-12-28 05:23:10,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182861 states. [2019-12-28 05:23:12,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182861 to 134929. [2019-12-28 05:23:12,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134929 states. [2019-12-28 05:23:14,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134929 states to 134929 states and 604573 transitions. [2019-12-28 05:23:14,618 INFO L78 Accepts]: Start accepts. Automaton has 134929 states and 604573 transitions. Word has length 59 [2019-12-28 05:23:14,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:23:14,619 INFO L462 AbstractCegarLoop]: Abstraction has 134929 states and 604573 transitions. [2019-12-28 05:23:14,619 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 05:23:14,619 INFO L276 IsEmpty]: Start isEmpty. Operand 134929 states and 604573 transitions. [2019-12-28 05:23:14,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-28 05:23:14,707 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:23:14,707 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] [2019-12-28 05:23:14,707 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:23:14,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:23:14,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1134933375, now seen corresponding path program 1 times [2019-12-28 05:23:14,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:23:14,708 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970193937] [2019-12-28 05:23:14,709 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:23:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:23:14,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:23:14,808 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970193937] [2019-12-28 05:23:14,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:23:14,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 05:23:14,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1612324179] [2019-12-28 05:23:14,809 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:23:14,819 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:23:14,832 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 67 states and 66 transitions. [2019-12-28 05:23:14,832 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:23:14,835 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:23:14,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 05:23:14,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:23:14,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 05:23:14,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-28 05:23:14,836 INFO L87 Difference]: Start difference. First operand 134929 states and 604573 transitions. Second operand 6 states. [2019-12-28 05:23:21,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:23:21,494 INFO L93 Difference]: Finished difference Result 185113 states and 812727 transitions. [2019-12-28 05:23:21,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-28 05:23:21,495 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2019-12-28 05:23:21,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:23:22,105 INFO L225 Difference]: With dead ends: 185113 [2019-12-28 05:23:22,105 INFO L226 Difference]: Without dead ends: 183913 [2019-12-28 05:23:22,106 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 [2019-12-28 05:23:23,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183913 states. [2019-12-28 05:23:26,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183913 to 160429. [2019-12-28 05:23:26,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160429 states. [2019-12-28 05:23:27,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160429 states to 160429 states and 711514 transitions. [2019-12-28 05:23:27,539 INFO L78 Accepts]: Start accepts. Automaton has 160429 states and 711514 transitions. Word has length 66 [2019-12-28 05:23:27,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:23:27,540 INFO L462 AbstractCegarLoop]: Abstraction has 160429 states and 711514 transitions. [2019-12-28 05:23:27,540 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 05:23:27,540 INFO L276 IsEmpty]: Start isEmpty. Operand 160429 states and 711514 transitions. [2019-12-28 05:23:27,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-28 05:23:27,643 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:23:27,643 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] [2019-12-28 05:23:27,643 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:23:27,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:23:27,643 INFO L82 PathProgramCache]: Analyzing trace with hash 770590772, now seen corresponding path program 1 times [2019-12-28 05:23:27,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:23:27,644 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505575132] [2019-12-28 05:23:27,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:23:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:23:27,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:23:27,708 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505575132] [2019-12-28 05:23:27,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:23:27,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-28 05:23:27,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1067116132] [2019-12-28 05:23:27,709 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:23:27,722 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:23:27,738 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 69 states and 68 transitions. [2019-12-28 05:23:27,738 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:23:27,739 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:23:27,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-28 05:23:27,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:23:27,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-28 05:23:27,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-28 05:23:27,740 INFO L87 Difference]: Start difference. First operand 160429 states and 711514 transitions. Second operand 3 states. [2019-12-28 05:23:33,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:23:33,851 INFO L93 Difference]: Finished difference Result 202237 states and 884074 transitions. [2019-12-28 05:23:33,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-28 05:23:33,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-12-28 05:23:33,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:23:35,300 INFO L225 Difference]: With dead ends: 202237 [2019-12-28 05:23:35,300 INFO L226 Difference]: Without dead ends: 202237 [2019-12-28 05:23:35,300 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 [2019-12-28 05:23:36,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202237 states. [2019-12-28 05:23:43,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202237 to 176149. [2019-12-28 05:23:43,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176149 states. [2019-12-28 05:23:45,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176149 states to 176149 states and 777056 transitions. [2019-12-28 05:23:45,522 INFO L78 Accepts]: Start accepts. Automaton has 176149 states and 777056 transitions. Word has length 68 [2019-12-28 05:23:45,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:23:45,522 INFO L462 AbstractCegarLoop]: Abstraction has 176149 states and 777056 transitions. [2019-12-28 05:23:45,522 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-28 05:23:45,522 INFO L276 IsEmpty]: Start isEmpty. Operand 176149 states and 777056 transitions. [2019-12-28 05:23:45,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-28 05:23:45,704 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:23:45,704 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] [2019-12-28 05:23:45,704 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:23:45,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:23:45,705 INFO L82 PathProgramCache]: Analyzing trace with hash -262866000, now seen corresponding path program 1 times [2019-12-28 05:23:45,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:23:45,705 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463937847] [2019-12-28 05:23:45,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:23:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:23:45,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:23:45,800 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463937847] [2019-12-28 05:23:45,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:23:45,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 05:23:45,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1026178252] [2019-12-28 05:23:45,801 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:23:45,812 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:23:45,830 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 73 states and 72 transitions. [2019-12-28 05:23:45,830 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:23:45,831 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:23:45,831 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 05:23:45,831 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:23:45,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 05:23:45,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-28 05:23:45,832 INFO L87 Difference]: Start difference. First operand 176149 states and 777056 transitions. Second operand 7 states. [2019-12-28 05:23:54,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:23:54,508 INFO L93 Difference]: Finished difference Result 224101 states and 971732 transitions. [2019-12-28 05:23:54,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-28 05:23:54,509 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2019-12-28 05:23:54,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:23:55,315 INFO L225 Difference]: With dead ends: 224101 [2019-12-28 05:23:55,315 INFO L226 Difference]: Without dead ends: 222901 [2019-12-28 05:23:55,316 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 [2019-12-28 05:23:56,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222901 states. [2019-12-28 05:24:00,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222901 to 180725. [2019-12-28 05:24:00,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180725 states. [2019-12-28 05:24:01,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180725 states to 180725 states and 796148 transitions. [2019-12-28 05:24:01,670 INFO L78 Accepts]: Start accepts. Automaton has 180725 states and 796148 transitions. Word has length 72 [2019-12-28 05:24:01,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:24:01,670 INFO L462 AbstractCegarLoop]: Abstraction has 180725 states and 796148 transitions. [2019-12-28 05:24:01,670 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 05:24:01,670 INFO L276 IsEmpty]: Start isEmpty. Operand 180725 states and 796148 transitions. [2019-12-28 05:24:01,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-28 05:24:01,822 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:24:01,822 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] [2019-12-28 05:24:01,822 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:24:01,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:24:01,822 INFO L82 PathProgramCache]: Analyzing trace with hash 2144184833, now seen corresponding path program 1 times [2019-12-28 05:24:01,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:24:01,823 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025626231] [2019-12-28 05:24:01,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:24:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:24:01,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:24:01,919 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025626231] [2019-12-28 05:24:01,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:24:01,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 05:24:01,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1479779102] [2019-12-28 05:24:01,920 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:24:01,935 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:24:03,479 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 116 states and 157 transitions. [2019-12-28 05:24:03,480 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:24:03,480 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 1 times. [2019-12-28 05:24:03,481 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 05:24:03,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:24:03,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 05:24:03,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-28 05:24:03,482 INFO L87 Difference]: Start difference. First operand 180725 states and 796148 transitions. Second operand 7 states. [2019-12-28 05:24:12,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:24:12,994 INFO L93 Difference]: Finished difference Result 220861 states and 957730 transitions. [2019-12-28 05:24:12,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-28 05:24:12,995 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2019-12-28 05:24:12,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:24:13,762 INFO L225 Difference]: With dead ends: 220861 [2019-12-28 05:24:13,762 INFO L226 Difference]: Without dead ends: 219861 [2019-12-28 05:24:13,763 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2019-12-28 05:24:14,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219861 states. [2019-12-28 05:24:19,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219861 to 184237. [2019-12-28 05:24:19,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184237 states. [2019-12-28 05:24:19,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184237 states to 184237 states and 810266 transitions. [2019-12-28 05:24:19,729 INFO L78 Accepts]: Start accepts. Automaton has 184237 states and 810266 transitions. Word has length 73 [2019-12-28 05:24:19,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:24:19,729 INFO L462 AbstractCegarLoop]: Abstraction has 184237 states and 810266 transitions. [2019-12-28 05:24:19,729 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 05:24:19,729 INFO L276 IsEmpty]: Start isEmpty. Operand 184237 states and 810266 transitions. [2019-12-28 05:24:19,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-28 05:24:19,905 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:24:19,905 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] [2019-12-28 05:24:19,905 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:24:19,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:24:19,905 INFO L82 PathProgramCache]: Analyzing trace with hash 698442490, now seen corresponding path program 1 times [2019-12-28 05:24:19,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:24:19,906 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654304363] [2019-12-28 05:24:19,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:24:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:24:20,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:24:20,039 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654304363] [2019-12-28 05:24:20,039 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:24:20,039 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 05:24:20,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [489163859] [2019-12-28 05:24:20,040 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:24:20,052 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:24:20,070 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 78 states and 79 transitions. [2019-12-28 05:24:20,070 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:24:20,115 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-28 05:24:20,115 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 05:24:20,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:24:20,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 05:24:20,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-12-28 05:24:20,116 INFO L87 Difference]: Start difference. First operand 184237 states and 810266 transitions. Second operand 8 states. [2019-12-28 05:24:30,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:24:30,302 INFO L93 Difference]: Finished difference Result 262765 states and 1148126 transitions. [2019-12-28 05:24:30,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-28 05:24:30,303 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 75 [2019-12-28 05:24:30,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:24:31,435 INFO L225 Difference]: With dead ends: 262765 [2019-12-28 05:24:31,436 INFO L226 Difference]: Without dead ends: 260189 [2019-12-28 05:24:31,436 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-12-28 05:24:33,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260189 states. [2019-12-28 05:24:37,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260189 to 224437. [2019-12-28 05:24:37,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224437 states. [2019-12-28 05:24:39,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224437 states to 224437 states and 986536 transitions. [2019-12-28 05:24:39,209 INFO L78 Accepts]: Start accepts. Automaton has 224437 states and 986536 transitions. Word has length 75 [2019-12-28 05:24:39,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:24:39,210 INFO L462 AbstractCegarLoop]: Abstraction has 224437 states and 986536 transitions. [2019-12-28 05:24:39,210 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 05:24:39,210 INFO L276 IsEmpty]: Start isEmpty. Operand 224437 states and 986536 transitions. [2019-12-28 05:24:39,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-28 05:24:39,527 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:24:39,527 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] [2019-12-28 05:24:39,528 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:24:39,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:24:39,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1660056507, now seen corresponding path program 1 times [2019-12-28 05:24:39,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:24:39,529 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542998896] [2019-12-28 05:24:39,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:24:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:24:39,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:24:39,650 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542998896] [2019-12-28 05:24:39,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:24:39,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 05:24:39,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [173623824] [2019-12-28 05:24:39,650 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:24:39,661 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:24:39,675 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 78 states and 79 transitions. [2019-12-28 05:24:39,675 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:24:39,696 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-28 05:24:39,697 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-28 05:24:39,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:24:39,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-28 05:24:39,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-12-28 05:24:39,698 INFO L87 Difference]: Start difference. First operand 224437 states and 986536 transitions. Second operand 9 states. [2019-12-28 05:24:48,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:24:48,897 INFO L93 Difference]: Finished difference Result 332389 states and 1421212 transitions. [2019-12-28 05:24:48,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-28 05:24:48,898 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2019-12-28 05:24:48,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:24:50,056 INFO L225 Difference]: With dead ends: 332389 [2019-12-28 05:24:50,056 INFO L226 Difference]: Without dead ends: 332389 [2019-12-28 05:24:50,056 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2019-12-28 05:24:52,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332389 states. [2019-12-28 05:25:05,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332389 to 304585. [2019-12-28 05:25:05,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304585 states. [2019-12-28 05:25:07,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304585 states to 304585 states and 1311827 transitions. [2019-12-28 05:25:07,681 INFO L78 Accepts]: Start accepts. Automaton has 304585 states and 1311827 transitions. Word has length 75 [2019-12-28 05:25:07,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:25:07,682 INFO L462 AbstractCegarLoop]: Abstraction has 304585 states and 1311827 transitions. [2019-12-28 05:25:07,682 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-28 05:25:07,682 INFO L276 IsEmpty]: Start isEmpty. Operand 304585 states and 1311827 transitions. [2019-12-28 05:25:08,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-28 05:25:08,062 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:25:08,062 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] [2019-12-28 05:25:08,062 INFO L410 AbstractCegarLoop]: === Iteration 11 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:25:08,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:25:08,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1390146308, now seen corresponding path program 1 times [2019-12-28 05:25:08,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:25:08,063 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272570158] [2019-12-28 05:25:08,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:25:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:25:08,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:25:08,128 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272570158] [2019-12-28 05:25:08,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:25:08,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-28 05:25:08,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1829970036] [2019-12-28 05:25:08,129 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:25:08,141 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:25:08,157 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 78 states and 79 transitions. [2019-12-28 05:25:08,158 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:25:08,158 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:25:08,158 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-28 05:25:08,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:25:08,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-28 05:25:08,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-28 05:25:08,159 INFO L87 Difference]: Start difference. First operand 304585 states and 1311827 transitions. Second operand 3 states. Received shutdown request... [2019-12-28 05:25:17,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-28 05:25:17,122 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-28 05:25:17,128 WARN L227 ceAbstractionStarter]: Timeout [2019-12-28 05:25:17,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 05:25:17 BasicIcfg [2019-12-28 05:25:17,129 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 05:25:17,131 INFO L168 Benchmark]: Toolchain (without parser) took 187485.25 ms. Allocated memory was 137.9 MB in the beginning and 5.2 GB in the end (delta: 5.1 GB). Free memory was 101.1 MB in the beginning and 3.3 GB in the end (delta: -3.2 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2019-12-28 05:25:17,132 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-28 05:25:17,133 INFO L168 Benchmark]: CACSL2BoogieTranslator took 918.30 ms. Allocated memory was 137.9 MB in the beginning and 203.4 MB in the end (delta: 65.5 MB). Free memory was 100.6 MB in the beginning and 155.4 MB in the end (delta: -54.8 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-12-28 05:25:17,134 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.15 ms. Allocated memory is still 203.4 MB. Free memory was 155.4 MB in the beginning and 152.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-12-28 05:25:17,135 INFO L168 Benchmark]: Boogie Preprocessor took 38.36 ms. Allocated memory is still 203.4 MB. Free memory was 152.6 MB in the beginning and 149.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-12-28 05:25:17,135 INFO L168 Benchmark]: RCFGBuilder took 813.56 ms. Allocated memory is still 203.4 MB. Free memory was 149.8 MB in the beginning and 103.1 MB in the end (delta: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 7.1 GB. [2019-12-28 05:25:17,136 INFO L168 Benchmark]: TraceAbstraction took 185609.11 ms. Allocated memory was 203.4 MB in the beginning and 5.2 GB in the end (delta: 5.0 GB). Free memory was 103.1 MB in the beginning and 3.3 GB in the end (delta: -3.2 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2019-12-28 05:25:17,140 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 918.30 ms. Allocated memory was 137.9 MB in the beginning and 203.4 MB in the end (delta: 65.5 MB). Free memory was 100.6 MB in the beginning and 155.4 MB in the end (delta: -54.8 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 100.15 ms. Allocated memory is still 203.4 MB. Free memory was 155.4 MB in the beginning and 152.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.36 ms. Allocated memory is still 203.4 MB. Free memory was 152.6 MB in the beginning and 149.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 813.56 ms. Allocated memory is still 203.4 MB. Free memory was 149.8 MB in the beginning and 103.1 MB in the end (delta: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 185609.11 ms. Allocated memory was 203.4 MB in the beginning and 5.2 GB in the end (delta: 5.0 GB). Free memory was 103.1 MB in the beginning and 3.3 GB in the end (delta: -3.2 GB). Peak memory consumption was 1.8 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 BasicCegarLoop was constructing difference of abstraction (304585states) and FLOYD_HOARE automaton (currently 3 states, 3 states before enhancement),while ReachableStatesComputation was computing reachable states (119366 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while BasicCegarLoop was constructing difference of abstraction (304585states) and FLOYD_HOARE automaton (currently 3 states, 3 states before enhancement),while ReachableStatesComputation was computing reachable states (119366 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 153 locations, 2 error locations. Result: TIMEOUT, OverallTime: 185.4s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 85.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3675 SDtfs, 4864 SDslu, 8895 SDs, 0 SdLazy, 3800 SolverSat, 309 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 138 GetRequests, 36 SyntacticMatches, 3 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=304585occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 81.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 266680 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 710 NumberOfCodeBlocks, 710 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 699 ConstructedInterpolants, 0 QuantifiedInterpolants, 101871 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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