/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/safe018_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 04:50:20,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 04:50:20,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 04:50:20,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 04:50:20,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 04:50:20,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 04:50:20,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 04:50:20,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 04:50:20,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 04:50:20,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 04:50:20,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 04:50:20,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 04:50:20,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 04:50:20,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 04:50:20,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 04:50:20,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 04:50:20,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 04:50:20,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 04:50:20,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 04:50:20,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 04:50:20,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 04:50:20,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 04:50:20,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 04:50:20,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 04:50:20,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-28 04:50:20,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 04:50:20,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 04:50:20,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 04:50:20,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 04:50:20,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 04:50:20,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 04:50:20,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 04:50:20,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 04:50:20,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 04:50:20,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 04:50:20,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 04:50:20,490 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 04:50:20,515 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 04:50:20,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 04:50:20,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 04:50:20,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 04:50:20,517 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 04:50:20,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 04:50:20,518 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 04:50:20,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 04:50:20,518 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 04:50:20,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 04:50:20,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 04:50:20,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 04:50:20,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 04:50:20,520 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 04:50:20,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 04:50:20,521 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 04:50:20,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 04:50:20,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 04:50:20,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 04:50:20,522 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 04:50:20,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 04:50:20,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 04:50:20,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 04:50:20,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 04:50:20,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 04:50:20,523 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 04:50:20,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 04:50:20,523 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 04:50:20,523 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 04:50:20,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 04:50:20,525 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 04:50:20,525 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 04:50:20,827 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 04:50:20,840 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 04:50:20,844 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 04:50:20,846 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 04:50:20,846 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 04:50:20,847 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_tso.oepc.i [2019-12-28 04:50:20,911 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71b4405b7/447c8c1e9fdb441dbbd7461e536ca141/FLAG04837d9df [2019-12-28 04:50:21,411 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 04:50:21,412 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_tso.oepc.i [2019-12-28 04:50:21,430 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71b4405b7/447c8c1e9fdb441dbbd7461e536ca141/FLAG04837d9df [2019-12-28 04:50:21,747 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71b4405b7/447c8c1e9fdb441dbbd7461e536ca141 [2019-12-28 04:50:21,756 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 04:50:21,758 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 04:50:21,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 04:50:21,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 04:50:21,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 04:50:21,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:50:21" (1/1) ... [2019-12-28 04:50:21,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207c4241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:21, skipping insertion in model container [2019-12-28 04:50:21,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:50:21" (1/1) ... [2019-12-28 04:50:21,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 04:50:21,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 04:50:22,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 04:50:22,327 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 04:50:22,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 04:50:22,467 INFO L208 MainTranslator]: Completed translation [2019-12-28 04:50:22,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:22 WrapperNode [2019-12-28 04:50:22,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 04:50:22,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 04:50:22,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 04:50:22,468 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 04:50:22,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:22" (1/1) ... [2019-12-28 04:50:22,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:22" (1/1) ... [2019-12-28 04:50:22,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 04:50:22,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 04:50:22,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 04:50:22,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 04:50:22,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:22" (1/1) ... [2019-12-28 04:50:22,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:22" (1/1) ... [2019-12-28 04:50:22,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:22" (1/1) ... [2019-12-28 04:50:22,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:22" (1/1) ... [2019-12-28 04:50:22,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:22" (1/1) ... [2019-12-28 04:50:22,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:22" (1/1) ... [2019-12-28 04:50:22,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:22" (1/1) ... [2019-12-28 04:50:22,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 04:50:22,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 04:50:22,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 04:50:22,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 04:50:22,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:22" (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 04:50:22,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 04:50:22,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 04:50:22,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 04:50:22,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 04:50:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-28 04:50:22,610 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-28 04:50:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-28 04:50:22,610 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-28 04:50:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-28 04:50:22,610 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-28 04:50:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 04:50:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 04:50:22,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 04:50:22,613 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 04:50:23,008 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 04:50:23,009 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-28 04:50:23,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:50:23 BoogieIcfgContainer [2019-12-28 04:50:23,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 04:50:23,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 04:50:23,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 04:50:23,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 04:50:23,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:50:21" (1/3) ... [2019-12-28 04:50:23,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6baaa443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:50:23, skipping insertion in model container [2019-12-28 04:50:23,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:22" (2/3) ... [2019-12-28 04:50:23,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6baaa443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:50:23, skipping insertion in model container [2019-12-28 04:50:23,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:50:23" (3/3) ... [2019-12-28 04:50:23,019 INFO L109 eAbstractionObserver]: Analyzing ICFG safe018_tso.oepc.i [2019-12-28 04:50:23,028 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 04:50:23,028 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 04:50:23,036 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-28 04:50:23,037 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 04:50:23,067 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,067 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,067 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,074 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,075 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,075 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,075 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,076 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,076 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,076 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,076 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,077 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,078 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,078 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,078 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,078 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,079 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,079 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,085 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,085 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,085 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,086 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,091 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,091 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,092 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,092 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,095 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,096 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,096 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,096 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:50:23,113 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-28 04:50:23,134 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 04:50:23,134 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 04:50:23,134 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 04:50:23,134 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 04:50:23,135 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 04:50:23,135 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 04:50:23,135 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 04:50:23,135 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 04:50:23,147 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 63 places, 54 transitions [2019-12-28 04:50:23,231 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1248 states. [2019-12-28 04:50:23,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states. [2019-12-28 04:50:23,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-28 04:50:23,250 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:50:23,251 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] [2019-12-28 04:50:23,252 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:50:23,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:50:23,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1559723610, now seen corresponding path program 1 times [2019-12-28 04:50:23,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:50:23,272 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195989470] [2019-12-28 04:50:23,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:50:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:50:23,639 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 04:50:23,640 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195989470] [2019-12-28 04:50:23,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:50:23,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 04:50:23,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [791611574] [2019-12-28 04:50:23,643 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:50:23,652 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:50:23,674 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 32 states and 31 transitions. [2019-12-28 04:50:23,675 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:50:23,679 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:50:23,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 04:50:23,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:50:23,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 04:50:23,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 04:50:23,698 INFO L87 Difference]: Start difference. First operand 1248 states. Second operand 4 states. [2019-12-28 04:50:23,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:50:23,818 INFO L93 Difference]: Finished difference Result 1295 states and 3961 transitions. [2019-12-28 04:50:23,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-28 04:50:23,821 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-12-28 04:50:23,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:50:23,844 INFO L225 Difference]: With dead ends: 1295 [2019-12-28 04:50:23,845 INFO L226 Difference]: Without dead ends: 601 [2019-12-28 04:50:23,846 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-28 04:50:23,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2019-12-28 04:50:23,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2019-12-28 04:50:23,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2019-12-28 04:50:23,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1776 transitions. [2019-12-28 04:50:23,942 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1776 transitions. Word has length 31 [2019-12-28 04:50:23,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:50:23,943 INFO L462 AbstractCegarLoop]: Abstraction has 601 states and 1776 transitions. [2019-12-28 04:50:23,943 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-28 04:50:23,943 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1776 transitions. [2019-12-28 04:50:23,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-28 04:50:23,946 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:50:23,947 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] [2019-12-28 04:50:23,947 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:50:23,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:50:23,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1171273147, now seen corresponding path program 1 times [2019-12-28 04:50:23,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:50:23,948 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144878336] [2019-12-28 04:50:23,949 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:50:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:50:24,115 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 04:50:24,116 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144878336] [2019-12-28 04:50:24,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:50:24,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 04:50:24,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [964953641] [2019-12-28 04:50:24,117 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:50:24,121 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:50:24,125 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 37 states and 40 transitions. [2019-12-28 04:50:24,126 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:50:24,127 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:50:24,129 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 04:50:24,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:50:24,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 04:50:24,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-28 04:50:24,130 INFO L87 Difference]: Start difference. First operand 601 states and 1776 transitions. Second operand 5 states. [2019-12-28 04:50:24,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:50:24,211 INFO L93 Difference]: Finished difference Result 601 states and 1695 transitions. [2019-12-28 04:50:24,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-28 04:50:24,212 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-12-28 04:50:24,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:50:24,218 INFO L225 Difference]: With dead ends: 601 [2019-12-28 04:50:24,218 INFO L226 Difference]: Without dead ends: 538 [2019-12-28 04:50:24,219 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-28 04:50:24,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-12-28 04:50:24,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-12-28 04:50:24,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-12-28 04:50:24,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1545 transitions. [2019-12-28 04:50:24,253 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1545 transitions. Word has length 32 [2019-12-28 04:50:24,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:50:24,254 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 1545 transitions. [2019-12-28 04:50:24,254 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 04:50:24,254 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1545 transitions. [2019-12-28 04:50:24,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-28 04:50:24,258 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:50:24,259 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] [2019-12-28 04:50:24,259 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:50:24,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:50:24,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1777429343, now seen corresponding path program 1 times [2019-12-28 04:50:24,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:50:24,260 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008521715] [2019-12-28 04:50:24,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:50:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:50:24,454 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 04:50:24,454 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008521715] [2019-12-28 04:50:24,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:50:24,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 04:50:24,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1312664449] [2019-12-28 04:50:24,456 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:50:24,460 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:50:24,466 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 38 states and 41 transitions. [2019-12-28 04:50:24,466 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:50:24,467 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:50:24,467 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 04:50:24,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:50:24,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 04:50:24,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-28 04:50:24,468 INFO L87 Difference]: Start difference. First operand 538 states and 1545 transitions. Second operand 6 states. [2019-12-28 04:50:24,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:50:24,559 INFO L93 Difference]: Finished difference Result 403 states and 1059 transitions. [2019-12-28 04:50:24,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:50:24,560 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-12-28 04:50:24,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:50:24,563 INFO L225 Difference]: With dead ends: 403 [2019-12-28 04:50:24,563 INFO L226 Difference]: Without dead ends: 349 [2019-12-28 04:50:24,564 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-12-28 04:50:24,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-12-28 04:50:24,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2019-12-28 04:50:24,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-12-28 04:50:24,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 915 transitions. [2019-12-28 04:50:24,575 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 915 transitions. Word has length 33 [2019-12-28 04:50:24,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:50:24,576 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 915 transitions. [2019-12-28 04:50:24,576 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 04:50:24,576 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 915 transitions. [2019-12-28 04:50:24,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 04:50:24,578 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:50:24,578 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] [2019-12-28 04:50:24,578 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:50:24,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:50:24,579 INFO L82 PathProgramCache]: Analyzing trace with hash -960362357, now seen corresponding path program 1 times [2019-12-28 04:50:24,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:50:24,579 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566484547] [2019-12-28 04:50:24,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:50:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:50:24,777 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 04:50:24,777 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566484547] [2019-12-28 04:50:24,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:50:24,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 04:50:24,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1941375722] [2019-12-28 04:50:24,778 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:50:24,784 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:50:24,792 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 39 states and 42 transitions. [2019-12-28 04:50:24,793 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:50:24,793 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:50:24,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 04:50:24,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:50:24,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 04:50:24,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-28 04:50:24,794 INFO L87 Difference]: Start difference. First operand 349 states and 915 transitions. Second operand 7 states. [2019-12-28 04:50:24,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:50:24,953 INFO L93 Difference]: Finished difference Result 556 states and 1479 transitions. [2019-12-28 04:50:24,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 04:50:24,954 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-12-28 04:50:24,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:50:24,957 INFO L225 Difference]: With dead ends: 556 [2019-12-28 04:50:24,957 INFO L226 Difference]: Without dead ends: 385 [2019-12-28 04:50:24,958 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-28 04:50:24,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2019-12-28 04:50:24,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 340. [2019-12-28 04:50:24,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2019-12-28 04:50:24,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 888 transitions. [2019-12-28 04:50:24,987 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 888 transitions. Word has length 34 [2019-12-28 04:50:24,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:50:24,987 INFO L462 AbstractCegarLoop]: Abstraction has 340 states and 888 transitions. [2019-12-28 04:50:24,988 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 04:50:24,988 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 888 transitions. [2019-12-28 04:50:24,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 04:50:24,989 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:50:24,989 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] [2019-12-28 04:50:24,989 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:50:24,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:50:24,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1133610049, now seen corresponding path program 2 times [2019-12-28 04:50:24,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:50:24,991 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724678462] [2019-12-28 04:50:24,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:50:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:50:25,163 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 04:50:25,164 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724678462] [2019-12-28 04:50:25,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:50:25,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-28 04:50:25,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [457586950] [2019-12-28 04:50:25,164 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:50:25,169 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:50:25,175 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 43 states and 50 transitions. [2019-12-28 04:50:25,179 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:50:25,265 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2019-12-28 04:50:25,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-28 04:50:25,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:50:25,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-28 04:50:25,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-12-28 04:50:25,266 INFO L87 Difference]: Start difference. First operand 340 states and 888 transitions. Second operand 9 states. [2019-12-28 04:50:25,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:50:25,397 INFO L93 Difference]: Finished difference Result 511 states and 1368 transitions. [2019-12-28 04:50:25,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:50:25,399 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 34 [2019-12-28 04:50:25,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:50:25,402 INFO L225 Difference]: With dead ends: 511 [2019-12-28 04:50:25,403 INFO L226 Difference]: Without dead ends: 253 [2019-12-28 04:50:25,403 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2019-12-28 04:50:25,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2019-12-28 04:50:25,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2019-12-28 04:50:25,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2019-12-28 04:50:25,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 672 transitions. [2019-12-28 04:50:25,418 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 672 transitions. Word has length 34 [2019-12-28 04:50:25,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:50:25,419 INFO L462 AbstractCegarLoop]: Abstraction has 253 states and 672 transitions. [2019-12-28 04:50:25,419 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-28 04:50:25,419 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 672 transitions. [2019-12-28 04:50:25,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 04:50:25,420 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:50:25,420 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] [2019-12-28 04:50:25,421 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:50:25,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:50:25,421 INFO L82 PathProgramCache]: Analyzing trace with hash -908726199, now seen corresponding path program 3 times [2019-12-28 04:50:25,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:50:25,422 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755123932] [2019-12-28 04:50:25,422 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:50:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:50:25,577 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 04:50:25,578 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755123932] [2019-12-28 04:50:25,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:50:25,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-28 04:50:25,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [562762413] [2019-12-28 04:50:25,579 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:50:25,582 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:50:25,587 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 35 states and 34 transitions. [2019-12-28 04:50:25,587 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:50:25,588 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:50:25,588 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 04:50:25,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:50:25,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 04:50:25,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-28 04:50:25,589 INFO L87 Difference]: Start difference. First operand 253 states and 672 transitions. Second operand 8 states. [2019-12-28 04:50:25,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:50:25,680 INFO L93 Difference]: Finished difference Result 199 states and 510 transitions. [2019-12-28 04:50:25,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 04:50:25,681 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-12-28 04:50:25,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:50:25,681 INFO L225 Difference]: With dead ends: 199 [2019-12-28 04:50:25,681 INFO L226 Difference]: Without dead ends: 0 [2019-12-28 04:50:25,682 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-12-28 04:50:25,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-28 04:50:25,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-28 04:50:25,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-28 04:50:25,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-28 04:50:25,683 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-12-28 04:50:25,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:50:25,683 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-28 04:50:25,683 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 04:50:25,683 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-28 04:50:25,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-28 04:50:25,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 04:50:25 BasicIcfg [2019-12-28 04:50:25,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 04:50:25,692 INFO L168 Benchmark]: Toolchain (without parser) took 3934.15 ms. Allocated memory was 142.6 MB in the beginning and 254.3 MB in the end (delta: 111.7 MB). Free memory was 100.2 MB in the beginning and 129.9 MB in the end (delta: -29.7 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. [2019-12-28 04:50:25,693 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 142.6 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-28 04:50:25,694 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.28 ms. Allocated memory was 142.6 MB in the beginning and 201.9 MB in the end (delta: 59.2 MB). Free memory was 99.7 MB in the beginning and 157.2 MB in the end (delta: -57.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-12-28 04:50:25,695 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.56 ms. Allocated memory is still 201.9 MB. Free memory was 156.5 MB in the beginning and 154.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-12-28 04:50:25,696 INFO L168 Benchmark]: Boogie Preprocessor took 27.19 ms. Allocated memory is still 201.9 MB. Free memory was 154.3 MB in the beginning and 152.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-28 04:50:25,697 INFO L168 Benchmark]: RCFGBuilder took 464.01 ms. Allocated memory is still 201.9 MB. Free memory was 152.9 MB in the beginning and 132.7 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2019-12-28 04:50:25,698 INFO L168 Benchmark]: TraceAbstraction took 2678.00 ms. Allocated memory was 201.9 MB in the beginning and 254.3 MB in the end (delta: 52.4 MB). Free memory was 132.0 MB in the beginning and 129.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 54.6 MB. Max. memory is 7.1 GB. [2019-12-28 04:50:25,702 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 142.6 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 707.28 ms. Allocated memory was 142.6 MB in the beginning and 201.9 MB in the end (delta: 59.2 MB). Free memory was 99.7 MB in the beginning and 157.2 MB in the end (delta: -57.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 50.56 ms. Allocated memory is still 201.9 MB. Free memory was 156.5 MB in the beginning and 154.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.19 ms. Allocated memory is still 201.9 MB. Free memory was 154.3 MB in the beginning and 152.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 464.01 ms. Allocated memory is still 201.9 MB. Free memory was 152.9 MB in the beginning and 132.7 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2678.00 ms. Allocated memory was 201.9 MB in the beginning and 254.3 MB in the end (delta: 52.4 MB). Free memory was 132.0 MB in the beginning and 129.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 54.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 54 locations, 1 error locations. Result: SAFE, OverallTime: 2.5s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 288 SDtfs, 457 SDslu, 775 SDs, 0 SdLazy, 122 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1248occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 45 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 19626 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 proved your program to be correct! Received shutdown request...