/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/mix056_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 03:24:36,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 03:24:36,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 03:24:36,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 03:24:36,315 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 03:24:36,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 03:24:36,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 03:24:36,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 03:24:36,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 03:24:36,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 03:24:36,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 03:24:36,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 03:24:36,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 03:24:36,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 03:24:36,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 03:24:36,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 03:24:36,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 03:24:36,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 03:24:36,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 03:24:36,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 03:24:36,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 03:24:36,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 03:24:36,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 03:24:36,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 03:24:36,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-28 03:24:36,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-28 03:24:36,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-28 03:24:36,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-28 03:24:36,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-28 03:24:36,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-28 03:24:36,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 03:24:36,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 03:24:36,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 03:24:36,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 03:24:36,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 03:24:36,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 03:24:36,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 03:24:36,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 03:24:36,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 03:24:36,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 03:24:36,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 03:24:36,367 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 03:24:36,390 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 03:24:36,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 03:24:36,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 03:24:36,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 03:24:36,393 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 03:24:36,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 03:24:36,394 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 03:24:36,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 03:24:36,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 03:24:36,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 03:24:36,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 03:24:36,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 03:24:36,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 03:24:36,396 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 03:24:36,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 03:24:36,397 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 03:24:36,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 03:24:36,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 03:24:36,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 03:24:36,397 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 03:24:36,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 03:24:36,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 03:24:36,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 03:24:36,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 03:24:36,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 03:24:36,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 03:24:36,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 03:24:36,399 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 03:24:36,399 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 03:24:36,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 03:24:36,400 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 03:24:36,400 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 03:24:36,673 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 03:24:36,690 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 03:24:36,694 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 03:24:36,696 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 03:24:36,697 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 03:24:36,698 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix056_pso.opt.i [2019-12-28 03:24:36,775 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d4ee6d26/bb85a6db62524b65a11752662b382ba0/FLAGae2ccb803 [2019-12-28 03:24:37,376 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 03:24:37,378 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix056_pso.opt.i [2019-12-28 03:24:37,397 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d4ee6d26/bb85a6db62524b65a11752662b382ba0/FLAGae2ccb803 [2019-12-28 03:24:37,603 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d4ee6d26/bb85a6db62524b65a11752662b382ba0 [2019-12-28 03:24:37,612 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 03:24:37,613 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 03:24:37,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 03:24:37,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 03:24:37,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 03:24:37,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:24:37" (1/1) ... [2019-12-28 03:24:37,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23a66491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:37, skipping insertion in model container [2019-12-28 03:24:37,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:24:37" (1/1) ... [2019-12-28 03:24:37,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 03:24:37,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 03:24:38,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 03:24:38,290 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 03:24:38,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 03:24:38,485 INFO L208 MainTranslator]: Completed translation [2019-12-28 03:24:38,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:38 WrapperNode [2019-12-28 03:24:38,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 03:24:38,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 03:24:38,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 03:24:38,488 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 03:24:38,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:38" (1/1) ... [2019-12-28 03:24:38,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:38" (1/1) ... [2019-12-28 03:24:38,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 03:24:38,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 03:24:38,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 03:24:38,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 03:24:38,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:38" (1/1) ... [2019-12-28 03:24:38,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:38" (1/1) ... [2019-12-28 03:24:38,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:38" (1/1) ... [2019-12-28 03:24:38,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:38" (1/1) ... [2019-12-28 03:24:38,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:38" (1/1) ... [2019-12-28 03:24:38,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:38" (1/1) ... [2019-12-28 03:24:38,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:38" (1/1) ... [2019-12-28 03:24:38,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 03:24:38,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 03:24:38,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 03:24:38,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 03:24:38,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:38" (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 03:24:38,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 03:24:38,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 03:24:38,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 03:24:38,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 03:24:38,675 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-28 03:24:38,675 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-28 03:24:38,675 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-28 03:24:38,675 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-28 03:24:38,675 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-28 03:24:38,676 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-28 03:24:38,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 03:24:38,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 03:24:38,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 03:24:38,678 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 03:24:39,448 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 03:24:39,449 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-28 03:24:39,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:24:39 BoogieIcfgContainer [2019-12-28 03:24:39,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 03:24:39,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 03:24:39,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 03:24:39,455 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 03:24:39,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 03:24:37" (1/3) ... [2019-12-28 03:24:39,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2129dc78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:24:39, skipping insertion in model container [2019-12-28 03:24:39,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:38" (2/3) ... [2019-12-28 03:24:39,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2129dc78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:24:39, skipping insertion in model container [2019-12-28 03:24:39,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:24:39" (3/3) ... [2019-12-28 03:24:39,460 INFO L109 eAbstractionObserver]: Analyzing ICFG mix056_pso.opt.i [2019-12-28 03:24:39,470 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 03:24:39,471 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 03:24:39,479 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-28 03:24:39,480 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 03:24:39,514 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,515 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,515 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,515 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,516 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,516 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,517 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,517 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,517 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,518 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,518 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,518 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,518 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,519 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,519 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,519 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,519 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,520 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,520 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,520 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,520 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,521 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,521 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,521 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,521 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,522 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,522 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,522 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,522 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,523 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,523 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,523 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,523 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,524 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,524 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,524 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,525 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,525 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,526 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,526 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,526 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,526 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,527 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,527 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,527 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,528 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,528 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,528 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,528 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,529 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,529 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,529 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,529 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,530 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,530 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,530 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,530 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,531 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,531 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,531 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,531 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,532 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,532 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,532 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,532 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,532 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,533 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,533 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,533 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,533 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,537 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,537 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,538 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,538 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,538 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,538 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,539 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,539 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,539 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,539 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,540 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,540 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,543 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,544 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,544 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,544 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,547 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,547 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,548 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,548 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,548 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,548 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,549 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,549 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,549 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,549 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:39,584 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-28 03:24:39,599 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 03:24:39,599 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 03:24:39,599 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 03:24:39,599 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 03:24:39,600 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 03:24:39,600 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 03:24:39,600 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 03:24:39,600 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 03:24:39,614 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 162 places, 193 transitions [2019-12-28 03:24:53,900 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 92465 states. [2019-12-28 03:24:53,901 INFO L276 IsEmpty]: Start isEmpty. Operand 92465 states. [2019-12-28 03:24:53,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-28 03:24:53,919 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:24:53,921 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 03:24:53,921 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 03:24:53,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:24:53,927 INFO L82 PathProgramCache]: Analyzing trace with hash -40692432, now seen corresponding path program 1 times [2019-12-28 03:24:53,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:24:53,939 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066000345] [2019-12-28 03:24:53,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:24:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:24:54,280 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 03:24:54,281 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066000345] [2019-12-28 03:24:54,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:24:54,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 03:24:54,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1873361083] [2019-12-28 03:24:54,284 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:24:54,295 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:24:54,321 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 45 states and 44 transitions. [2019-12-28 03:24:54,322 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:24:54,327 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:24:54,327 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 03:24:54,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:24:54,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 03:24:54,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 03:24:54,345 INFO L87 Difference]: Start difference. First operand 92465 states. Second operand 4 states. [2019-12-28 03:24:57,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:24:57,932 INFO L93 Difference]: Finished difference Result 96401 states and 448737 transitions. [2019-12-28 03:24:57,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-28 03:24:57,934 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2019-12-28 03:24:57,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:24:58,731 INFO L225 Difference]: With dead ends: 96401 [2019-12-28 03:24:58,731 INFO L226 Difference]: Without dead ends: 85521 [2019-12-28 03:24:58,733 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 03:24:59,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85521 states. [2019-12-28 03:25:02,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85521 to 85521. [2019-12-28 03:25:02,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85521 states. [2019-12-28 03:25:02,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85521 states to 85521 states and 400697 transitions. [2019-12-28 03:25:02,469 INFO L78 Accepts]: Start accepts. Automaton has 85521 states and 400697 transitions. Word has length 44 [2019-12-28 03:25:02,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:25:02,471 INFO L462 AbstractCegarLoop]: Abstraction has 85521 states and 400697 transitions. [2019-12-28 03:25:02,471 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-28 03:25:02,471 INFO L276 IsEmpty]: Start isEmpty. Operand 85521 states and 400697 transitions. [2019-12-28 03:25:02,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-28 03:25:02,483 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:25:02,483 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 03:25:02,484 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 03:25:02,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:25:02,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1486807028, now seen corresponding path program 1 times [2019-12-28 03:25:02,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:25:02,485 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092092258] [2019-12-28 03:25:02,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:25:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:25:02,640 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 03:25:02,641 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092092258] [2019-12-28 03:25:02,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:25:02,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 03:25:02,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1177591093] [2019-12-28 03:25:02,642 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:25:02,648 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:25:02,668 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 80 states and 107 transitions. [2019-12-28 03:25:02,669 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:25:02,670 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:25:02,672 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 03:25:02,672 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:25:02,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 03:25:02,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-28 03:25:02,673 INFO L87 Difference]: Start difference. First operand 85521 states and 400697 transitions. Second operand 5 states. [2019-12-28 03:25:07,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:25:07,677 INFO L93 Difference]: Finished difference Result 139649 states and 623533 transitions. [2019-12-28 03:25:07,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 03:25:07,678 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-12-28 03:25:07,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:25:08,350 INFO L225 Difference]: With dead ends: 139649 [2019-12-28 03:25:08,350 INFO L226 Difference]: Without dead ends: 138929 [2019-12-28 03:25:08,351 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 03:25:09,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138929 states. [2019-12-28 03:25:15,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138929 to 132785. [2019-12-28 03:25:15,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132785 states. [2019-12-28 03:25:20,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132785 states to 132785 states and 597161 transitions. [2019-12-28 03:25:20,726 INFO L78 Accepts]: Start accepts. Automaton has 132785 states and 597161 transitions. Word has length 51 [2019-12-28 03:25:20,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:25:20,726 INFO L462 AbstractCegarLoop]: Abstraction has 132785 states and 597161 transitions. [2019-12-28 03:25:20,727 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 03:25:20,727 INFO L276 IsEmpty]: Start isEmpty. Operand 132785 states and 597161 transitions. [2019-12-28 03:25:20,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-28 03:25:20,735 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:25:20,736 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 03:25:20,736 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 03:25:20,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:25:20,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1932443739, now seen corresponding path program 1 times [2019-12-28 03:25:20,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:25:20,737 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502028663] [2019-12-28 03:25:20,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:25:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:25:20,838 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 03:25:20,838 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502028663] [2019-12-28 03:25:20,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:25:20,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 03:25:20,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1993120053] [2019-12-28 03:25:20,839 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:25:20,844 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:25:20,849 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 53 states and 52 transitions. [2019-12-28 03:25:20,850 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:25:20,850 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:25:20,850 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 03:25:20,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:25:20,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 03:25:20,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-28 03:25:20,852 INFO L87 Difference]: Start difference. First operand 132785 states and 597161 transitions. Second operand 5 states. [2019-12-28 03:25:23,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:25:23,239 INFO L93 Difference]: Finished difference Result 161553 states and 717781 transitions. [2019-12-28 03:25:23,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 03:25:23,239 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-12-28 03:25:23,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:25:23,727 INFO L225 Difference]: With dead ends: 161553 [2019-12-28 03:25:23,727 INFO L226 Difference]: Without dead ends: 160753 [2019-12-28 03:25:23,727 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 03:25:24,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160753 states. [2019-12-28 03:25:33,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160753 to 139077. [2019-12-28 03:25:33,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139077 states. [2019-12-28 03:25:33,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139077 states to 139077 states and 623064 transitions. [2019-12-28 03:25:33,885 INFO L78 Accepts]: Start accepts. Automaton has 139077 states and 623064 transitions. Word has length 52 [2019-12-28 03:25:33,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:25:33,886 INFO L462 AbstractCegarLoop]: Abstraction has 139077 states and 623064 transitions. [2019-12-28 03:25:33,886 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 03:25:33,886 INFO L276 IsEmpty]: Start isEmpty. Operand 139077 states and 623064 transitions. [2019-12-28 03:25:33,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-28 03:25:33,927 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:25:33,928 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 03:25:33,928 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 03:25:33,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:25:33,929 INFO L82 PathProgramCache]: Analyzing trace with hash 389383967, now seen corresponding path program 1 times [2019-12-28 03:25:33,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:25:33,930 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129149003] [2019-12-28 03:25:33,930 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:25:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:25:34,024 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 03:25:34,025 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129149003] [2019-12-28 03:25:34,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:25:34,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 03:25:34,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1225623851] [2019-12-28 03:25:34,027 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:25:34,034 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:25:34,049 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 102 states and 143 transitions. [2019-12-28 03:25:34,049 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:25:34,050 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:25:34,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 03:25:34,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:25:34,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 03:25:34,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-28 03:25:34,051 INFO L87 Difference]: Start difference. First operand 139077 states and 623064 transitions. Second operand 6 states. [2019-12-28 03:25:36,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:25:36,578 INFO L93 Difference]: Finished difference Result 183581 states and 805090 transitions. [2019-12-28 03:25:36,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-28 03:25:36,579 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2019-12-28 03:25:36,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:25:43,731 INFO L225 Difference]: With dead ends: 183581 [2019-12-28 03:25:43,732 INFO L226 Difference]: Without dead ends: 182861 [2019-12-28 03:25:43,732 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 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 03:25:44,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182861 states. [2019-12-28 03:25:47,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182861 to 134929. [2019-12-28 03:25:47,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134929 states. [2019-12-28 03:25:48,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134929 states to 134929 states and 604573 transitions. [2019-12-28 03:25:48,004 INFO L78 Accepts]: Start accepts. Automaton has 134929 states and 604573 transitions. Word has length 59 [2019-12-28 03:25:48,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:25:48,005 INFO L462 AbstractCegarLoop]: Abstraction has 134929 states and 604573 transitions. [2019-12-28 03:25:48,005 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 03:25:48,005 INFO L276 IsEmpty]: Start isEmpty. Operand 134929 states and 604573 transitions. [2019-12-28 03:25:48,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-28 03:25:48,082 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:25:48,082 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 03:25:48,083 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 03:25:48,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:25:48,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1647505986, now seen corresponding path program 1 times [2019-12-28 03:25:48,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:25:48,084 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168254172] [2019-12-28 03:25:48,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:25:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:25:48,203 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 03:25:48,204 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168254172] [2019-12-28 03:25:48,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:25:48,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 03:25:48,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1037131224] [2019-12-28 03:25:48,205 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:25:48,215 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:25:48,235 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 67 states and 66 transitions. [2019-12-28 03:25:48,235 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:25:48,237 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:25:48,237 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 03:25:48,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:25:48,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 03:25:48,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-28 03:25:48,239 INFO L87 Difference]: Start difference. First operand 134929 states and 604573 transitions. Second operand 6 states. [2019-12-28 03:25:50,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:25:50,744 INFO L93 Difference]: Finished difference Result 185113 states and 812727 transitions. [2019-12-28 03:25:50,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-28 03:25:50,745 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2019-12-28 03:25:50,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:25:51,433 INFO L225 Difference]: With dead ends: 185113 [2019-12-28 03:25:51,433 INFO L226 Difference]: Without dead ends: 183913 [2019-12-28 03:25:51,433 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 03:25:58,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183913 states. [2019-12-28 03:26:01,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183913 to 160429. [2019-12-28 03:26:01,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160429 states. [2019-12-28 03:26:02,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160429 states to 160429 states and 711514 transitions. [2019-12-28 03:26:02,490 INFO L78 Accepts]: Start accepts. Automaton has 160429 states and 711514 transitions. Word has length 66 [2019-12-28 03:26:02,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:26:02,491 INFO L462 AbstractCegarLoop]: Abstraction has 160429 states and 711514 transitions. [2019-12-28 03:26:02,491 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 03:26:02,491 INFO L276 IsEmpty]: Start isEmpty. Operand 160429 states and 711514 transitions. [2019-12-28 03:26:02,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-28 03:26:02,586 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:26:02,586 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 03:26:02,586 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 03:26:02,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:26:02,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1697234032, now seen corresponding path program 1 times [2019-12-28 03:26:02,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:26:02,587 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645700211] [2019-12-28 03:26:02,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:26:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:26:02,652 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 03:26:02,652 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645700211] [2019-12-28 03:26:02,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:26:02,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-28 03:26:02,653 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [986097020] [2019-12-28 03:26:02,653 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:26:02,665 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:26:02,679 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 69 states and 68 transitions. [2019-12-28 03:26:02,680 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:26:02,680 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:26:02,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-28 03:26:02,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:26:02,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-28 03:26:02,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-28 03:26:02,681 INFO L87 Difference]: Start difference. First operand 160429 states and 711514 transitions. Second operand 3 states. [2019-12-28 03:26:04,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:26:04,865 INFO L93 Difference]: Finished difference Result 202237 states and 884074 transitions. [2019-12-28 03:26:04,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-28 03:26:04,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-12-28 03:26:04,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:26:13,054 INFO L225 Difference]: With dead ends: 202237 [2019-12-28 03:26:13,054 INFO L226 Difference]: Without dead ends: 202237 [2019-12-28 03:26:13,054 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 03:26:14,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202237 states. [2019-12-28 03:26:17,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202237 to 176149. [2019-12-28 03:26:17,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176149 states. [2019-12-28 03:26:18,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176149 states to 176149 states and 777056 transitions. [2019-12-28 03:26:18,894 INFO L78 Accepts]: Start accepts. Automaton has 176149 states and 777056 transitions. Word has length 68 [2019-12-28 03:26:18,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:26:18,894 INFO L462 AbstractCegarLoop]: Abstraction has 176149 states and 777056 transitions. [2019-12-28 03:26:18,894 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-28 03:26:18,895 INFO L276 IsEmpty]: Start isEmpty. Operand 176149 states and 777056 transitions. [2019-12-28 03:26:19,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-28 03:26:19,064 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:26:19,064 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 03:26:19,064 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 03:26:19,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:26:19,065 INFO L82 PathProgramCache]: Analyzing trace with hash 865455602, now seen corresponding path program 1 times [2019-12-28 03:26:19,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:26:19,066 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866451967] [2019-12-28 03:26:19,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:26:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:26:19,166 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 03:26:19,167 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866451967] [2019-12-28 03:26:19,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:26:19,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 03:26:19,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1150166854] [2019-12-28 03:26:19,167 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:26:19,179 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:26:19,197 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 73 states and 72 transitions. [2019-12-28 03:26:19,197 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:26:19,198 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:26:19,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 03:26:19,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:26:19,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 03:26:19,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-28 03:26:19,199 INFO L87 Difference]: Start difference. First operand 176149 states and 777056 transitions. Second operand 7 states. [2019-12-28 03:26:26,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:26:26,844 INFO L93 Difference]: Finished difference Result 224101 states and 971732 transitions. [2019-12-28 03:26:26,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-28 03:26:26,844 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2019-12-28 03:26:26,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:26:27,659 INFO L225 Difference]: With dead ends: 224101 [2019-12-28 03:26:27,659 INFO L226 Difference]: Without dead ends: 222901 [2019-12-28 03:26:27,660 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 03:26:29,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222901 states. [2019-12-28 03:26:33,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222901 to 180725. [2019-12-28 03:26:33,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180725 states. [2019-12-28 03:26:35,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180725 states to 180725 states and 796148 transitions. [2019-12-28 03:26:35,715 INFO L78 Accepts]: Start accepts. Automaton has 180725 states and 796148 transitions. Word has length 72 [2019-12-28 03:26:35,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:26:35,715 INFO L462 AbstractCegarLoop]: Abstraction has 180725 states and 796148 transitions. [2019-12-28 03:26:35,715 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 03:26:35,716 INFO L276 IsEmpty]: Start isEmpty. Operand 180725 states and 796148 transitions. [2019-12-28 03:26:35,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-28 03:26:35,865 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:26:35,865 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 03:26:35,865 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 03:26:35,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:26:35,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1065266562, now seen corresponding path program 1 times [2019-12-28 03:26:35,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:26:35,866 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662398406] [2019-12-28 03:26:35,867 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:26:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:26:35,964 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 03:26:35,964 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662398406] [2019-12-28 03:26:35,965 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:26:35,965 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 03:26:35,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1036462735] [2019-12-28 03:26:35,965 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:26:35,978 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:26:36,006 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 116 states and 157 transitions. [2019-12-28 03:26:36,006 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:26:36,007 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:26:36,007 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 03:26:36,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:26:36,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 03:26:36,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-28 03:26:36,008 INFO L87 Difference]: Start difference. First operand 180725 states and 796148 transitions. Second operand 7 states. [2019-12-28 03:26:45,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:26:45,031 INFO L93 Difference]: Finished difference Result 220861 states and 957730 transitions. [2019-12-28 03:26:45,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-28 03:26:45,032 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2019-12-28 03:26:45,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:26:45,811 INFO L225 Difference]: With dead ends: 220861 [2019-12-28 03:26:45,811 INFO L226 Difference]: Without dead ends: 219861 [2019-12-28 03:26:45,812 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2019-12-28 03:26:47,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219861 states. [2019-12-28 03:26:51,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219861 to 184237. [2019-12-28 03:26:51,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184237 states. [2019-12-28 03:26:53,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184237 states to 184237 states and 810266 transitions. [2019-12-28 03:26:53,015 INFO L78 Accepts]: Start accepts. Automaton has 184237 states and 810266 transitions. Word has length 73 [2019-12-28 03:26:53,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:26:53,015 INFO L462 AbstractCegarLoop]: Abstraction has 184237 states and 810266 transitions. [2019-12-28 03:26:53,015 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 03:26:53,015 INFO L276 IsEmpty]: Start isEmpty. Operand 184237 states and 810266 transitions. [2019-12-28 03:26:53,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-28 03:26:53,210 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:26:53,211 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:26:53,211 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 03:26:53,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:26:53,211 INFO L82 PathProgramCache]: Analyzing trace with hash -1937054117, now seen corresponding path program 1 times [2019-12-28 03:26:53,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:26:53,212 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760838544] [2019-12-28 03:26:53,212 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:26:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:26:53,331 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 03:26:53,331 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760838544] [2019-12-28 03:26:53,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:26:53,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 03:26:53,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2057279967] [2019-12-28 03:26:53,332 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:26:53,344 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:26:53,362 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 78 states and 79 transitions. [2019-12-28 03:26:53,362 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:26:53,394 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-28 03:26:53,394 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 03:26:53,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:26:53,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 03:26:53,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-12-28 03:26:53,395 INFO L87 Difference]: Start difference. First operand 184237 states and 810266 transitions. Second operand 8 states. [2019-12-28 03:27:02,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:27:02,052 INFO L93 Difference]: Finished difference Result 262765 states and 1148126 transitions. [2019-12-28 03:27:02,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-28 03:27:02,052 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 75 [2019-12-28 03:27:02,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:27:03,195 INFO L225 Difference]: With dead ends: 262765 [2019-12-28 03:27:03,195 INFO L226 Difference]: Without dead ends: 260189 [2019-12-28 03:27:03,195 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 03:27:05,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260189 states. [2019-12-28 03:27:10,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260189 to 224437. [2019-12-28 03:27:10,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224437 states. [2019-12-28 03:27:11,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224437 states to 224437 states and 986536 transitions. [2019-12-28 03:27:11,359 INFO L78 Accepts]: Start accepts. Automaton has 224437 states and 986536 transitions. Word has length 75 [2019-12-28 03:27:11,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:27:11,359 INFO L462 AbstractCegarLoop]: Abstraction has 224437 states and 986536 transitions. [2019-12-28 03:27:11,359 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 03:27:11,360 INFO L276 IsEmpty]: Start isEmpty. Operand 224437 states and 986536 transitions. [2019-12-28 03:27:17,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-28 03:27:17,339 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:27:17,340 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 03:27:17,340 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 03:27:17,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:27:17,340 INFO L82 PathProgramCache]: Analyzing trace with hash -975440100, now seen corresponding path program 1 times [2019-12-28 03:27:17,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:27:17,341 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449263693] [2019-12-28 03:27:17,342 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:27:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:27:17,459 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 03:27:17,460 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449263693] [2019-12-28 03:27:17,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:27:17,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 03:27:17,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1391939988] [2019-12-28 03:27:17,460 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:27:17,472 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:27:17,491 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 78 states and 79 transitions. [2019-12-28 03:27:17,491 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:27:17,521 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-28 03:27:17,521 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-28 03:27:17,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:27:17,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-28 03:27:17,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-12-28 03:27:17,522 INFO L87 Difference]: Start difference. First operand 224437 states and 986536 transitions. Second operand 9 states. [2019-12-28 03:27:20,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:27:20,824 INFO L93 Difference]: Finished difference Result 332389 states and 1421212 transitions. [2019-12-28 03:27:20,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-28 03:27:20,824 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2019-12-28 03:27:20,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:27:23,295 INFO L225 Difference]: With dead ends: 332389 [2019-12-28 03:27:23,296 INFO L226 Difference]: Without dead ends: 332389 [2019-12-28 03:27:23,296 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 03:27:24,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332389 states. [2019-12-28 03:27:37,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332389 to 304585. [2019-12-28 03:27:37,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304585 states. [2019-12-28 03:27:39,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304585 states to 304585 states and 1311827 transitions. [2019-12-28 03:27:39,915 INFO L78 Accepts]: Start accepts. Automaton has 304585 states and 1311827 transitions. Word has length 75 [2019-12-28 03:27:39,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:27:39,915 INFO L462 AbstractCegarLoop]: Abstraction has 304585 states and 1311827 transitions. [2019-12-28 03:27:39,915 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-28 03:27:39,915 INFO L276 IsEmpty]: Start isEmpty. Operand 304585 states and 1311827 transitions. Received shutdown request... [2019-12-28 03:27:40,151 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-28 03:27:40,156 WARN L227 ceAbstractionStarter]: Timeout [2019-12-28 03:27:40,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 03:27:40 BasicIcfg [2019-12-28 03:27:40,156 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 03:27:40,158 INFO L168 Benchmark]: Toolchain (without parser) took 182544.96 ms. Allocated memory was 145.8 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 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 4.0 GB. Max. memory is 7.1 GB. [2019-12-28 03:27:40,159 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-28 03:27:40,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 872.14 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 100.7 MB in the beginning and 157.0 MB in the end (delta: -56.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-12-28 03:27:40,160 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.09 ms. Allocated memory is still 203.4 MB. Free memory was 157.0 MB in the beginning and 154.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-12-28 03:27:40,161 INFO L168 Benchmark]: Boogie Preprocessor took 42.41 ms. Allocated memory is still 203.4 MB. Free memory was 154.4 MB in the beginning and 151.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-12-28 03:27:40,162 INFO L168 Benchmark]: RCFGBuilder took 851.18 ms. Allocated memory is still 203.4 MB. Free memory was 151.8 MB in the beginning and 105.3 MB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 7.1 GB. [2019-12-28 03:27:40,163 INFO L168 Benchmark]: TraceAbstraction took 180704.54 ms. Allocated memory was 203.4 MB in the beginning and 5.2 GB in the end (delta: 5.0 GB). Free memory was 105.3 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 3.9 GB. Max. memory is 7.1 GB. [2019-12-28 03:27:40,167 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 872.14 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 100.7 MB in the beginning and 157.0 MB in the end (delta: -56.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 70.09 ms. Allocated memory is still 203.4 MB. Free memory was 157.0 MB in the beginning and 154.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.41 ms. Allocated memory is still 203.4 MB. Free memory was 154.4 MB in the beginning and 151.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 851.18 ms. Allocated memory is still 203.4 MB. Free memory was 151.8 MB in the beginning and 105.3 MB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 180704.54 ms. Allocated memory was 203.4 MB in the beginning and 5.2 GB in the end (delta: 5.0 GB). Free memory was 105.3 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 3.9 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 IsEmpty was searching accepting run (input had 304585 states). - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while IsEmpty was searching accepting run (input had 304585 states). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 153 locations, 2 error locations. Result: TIMEOUT, OverallTime: 180.5s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 70.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3413 SDtfs, 4874 SDslu, 8651 SDs, 0 SdLazy, 3765 SolverSat, 303 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 98 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: 87.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 266680 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 635 NumberOfCodeBlocks, 635 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 625 ConstructedInterpolants, 0 QuantifiedInterpolants, 91511 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown