/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-McrStrategy.epf -i ../../../trunk/examples/svcomp/pthread/queue_longest.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 16:05:17,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 16:05:17,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 16:05:17,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 16:05:17,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 16:05:17,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 16:05:17,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 16:05:17,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 16:05:17,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 16:05:17,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 16:05:17,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 16:05:17,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 16:05:17,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 16:05:17,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 16:05:17,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 16:05:17,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 16:05:17,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 16:05:17,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 16:05:17,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 16:05:17,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 16:05:17,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 16:05:17,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 16:05:17,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 16:05:17,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 16:05:17,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 16:05:17,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 16:05:17,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 16:05:17,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 16:05:17,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 16:05:17,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 16:05:17,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 16:05:17,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 16:05:17,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 16:05:17,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 16:05:17,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 16:05:17,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 16:05:17,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 16:05:17,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 16:05:17,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 16:05:17,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 16:05:17,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 16:05:17,214 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-McrStrategy.epf [2020-04-18 16:05:17,250 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 16:05:17,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 16:05:17,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 16:05:17,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 16:05:17,257 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 16:05:17,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 16:05:17,257 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 16:05:17,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 16:05:17,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 16:05:17,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 16:05:17,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 16:05:17,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 16:05:17,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 16:05:17,259 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 16:05:17,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 16:05:17,259 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 16:05:17,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 16:05:17,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 16:05:17,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 16:05:17,260 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 16:05:17,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 16:05:17,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 16:05:17,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 16:05:17,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 16:05:17,261 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 16:05:17,262 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 16:05:17,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 16:05:17,262 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-04-18 16:05:17,262 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 16:05:17,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 16:05:17,262 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 16:05:17,567 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 16:05:17,584 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 16:05:17,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 16:05:17,589 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 16:05:17,590 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 16:05:17,592 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longest.i [2020-04-18 16:05:17,659 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2dfc49e7/2589b0d2314e4854a37a1eca6bb2e487/FLAG37aade282 [2020-04-18 16:05:18,212 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 16:05:18,213 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i [2020-04-18 16:05:18,229 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2dfc49e7/2589b0d2314e4854a37a1eca6bb2e487/FLAG37aade282 [2020-04-18 16:05:18,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2dfc49e7/2589b0d2314e4854a37a1eca6bb2e487 [2020-04-18 16:05:18,434 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 16:05:18,458 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 16:05:18,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 16:05:18,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 16:05:18,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 16:05:18,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:05:18" (1/1) ... [2020-04-18 16:05:18,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@688548ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:05:18, skipping insertion in model container [2020-04-18 16:05:18,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:05:18" (1/1) ... [2020-04-18 16:05:18,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 16:05:18,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 16:05:19,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 16:05:19,283 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 16:05:19,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 16:05:19,495 INFO L208 MainTranslator]: Completed translation [2020-04-18 16:05:19,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:05:19 WrapperNode [2020-04-18 16:05:19,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 16:05:19,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 16:05:19,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 16:05:19,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 16:05:19,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:05:19" (1/1) ... [2020-04-18 16:05:19,535 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:05:19" (1/1) ... [2020-04-18 16:05:19,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 16:05:19,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 16:05:19,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 16:05:19,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 16:05:19,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:05:19" (1/1) ... [2020-04-18 16:05:19,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:05:19" (1/1) ... [2020-04-18 16:05:19,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:05:19" (1/1) ... [2020-04-18 16:05:19,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:05:19" (1/1) ... [2020-04-18 16:05:19,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:05:19" (1/1) ... [2020-04-18 16:05:19,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:05:19" (1/1) ... [2020-04-18 16:05:19,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:05:19" (1/1) ... [2020-04-18 16:05:19,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 16:05:19,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 16:05:19,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 16:05:19,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 16:05:19,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:05:19" (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 [2020-04-18 16:05:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-04-18 16:05:19,687 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-04-18 16:05:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-04-18 16:05:19,688 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-04-18 16:05:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 16:05:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 16:05:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 16:05:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 16:05:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-04-18 16:05:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-18 16:05:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 16:05:19,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 16:05:19,694 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 16:05:20,443 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 16:05:20,443 INFO L295 CfgBuilder]: Removed 18 assume(true) statements. [2020-04-18 16:05:20,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:05:20 BoogieIcfgContainer [2020-04-18 16:05:20,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 16:05:20,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 16:05:20,448 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 16:05:20,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 16:05:20,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:05:18" (1/3) ... [2020-04-18 16:05:20,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f73920b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:05:20, skipping insertion in model container [2020-04-18 16:05:20,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:05:19" (2/3) ... [2020-04-18 16:05:20,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f73920b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:05:20, skipping insertion in model container [2020-04-18 16:05:20,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:05:20" (3/3) ... [2020-04-18 16:05:20,456 INFO L109 eAbstractionObserver]: Analyzing ICFG queue_longest.i [2020-04-18 16:05:20,466 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 16:05:20,466 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 16:05:20,473 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-04-18 16:05:20,474 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 16:05:20,513 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,513 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,513 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,514 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,514 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,514 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,514 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,515 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,515 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,515 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,515 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,515 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,516 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,516 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,516 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,516 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,516 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,517 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,517 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,517 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,517 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,517 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,518 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,518 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,518 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,518 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,518 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,519 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,519 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,519 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,519 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,519 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,519 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,520 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,520 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,520 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,520 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,520 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,521 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,521 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,521 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,521 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,521 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,522 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,522 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,522 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,522 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,522 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,523 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,523 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,523 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,523 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,523 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,524 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,524 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,524 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,524 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,525 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,525 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,525 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,525 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,525 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,526 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,526 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,526 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,526 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,526 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,527 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,527 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,527 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,527 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,527 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,528 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,528 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,528 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,528 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,529 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,529 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,529 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,529 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,530 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,530 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,530 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,530 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,530 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,531 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,531 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,531 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,531 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,531 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,532 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,532 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,532 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,532 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,532 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,533 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,533 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,533 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,533 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,533 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,533 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,534 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,534 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,534 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,534 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,534 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,535 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,535 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,535 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,535 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,535 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,536 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,536 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,536 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,536 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,537 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,537 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,537 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,537 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,538 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,538 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,538 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,538 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,538 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,539 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,539 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,539 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,539 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,539 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,540 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,540 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,540 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,540 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,540 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,540 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,541 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,541 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,541 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,541 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,541 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,542 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,542 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,542 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,542 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,542 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,543 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,543 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,543 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,543 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,543 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,543 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,544 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,544 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,544 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,544 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,544 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,545 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,545 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,545 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,545 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,545 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,545 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,546 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,546 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,546 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,546 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,546 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,547 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,547 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,547 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,547 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,547 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,547 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,548 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,548 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,548 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,548 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,548 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,549 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,549 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,549 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,549 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,549 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,550 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,550 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,550 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,550 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,550 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,551 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,551 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,551 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,551 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,551 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,552 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,553 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,553 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,553 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,554 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,554 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,554 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,554 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,554 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,555 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,555 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,555 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,555 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,555 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,556 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,556 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,556 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,556 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,557 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,557 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,557 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,557 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,557 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,557 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,558 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,558 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,561 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,561 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,562 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,562 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,562 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,562 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,562 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,563 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,563 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,563 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,563 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,563 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,564 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,564 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,564 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,564 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,564 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,565 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,565 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,565 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,565 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,565 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,566 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,567 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,567 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,567 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,567 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,568 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,568 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,568 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,568 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,568 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,569 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,569 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,569 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,569 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,569 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,570 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,570 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,570 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,570 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,570 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,571 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,571 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,571 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,572 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,572 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,572 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,572 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,572 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,572 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,573 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,573 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,573 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,573 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,573 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,574 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,574 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,574 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,574 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,574 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,574 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,575 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,575 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,575 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,580 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,580 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,580 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,581 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,581 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,581 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,581 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,581 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,582 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,582 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,582 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,582 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,582 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,582 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,583 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,583 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,583 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,583 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,583 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,584 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,584 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,584 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,584 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,584 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,584 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,585 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,585 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,585 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,585 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,585 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,586 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,586 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,586 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,586 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,586 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,593 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,594 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,594 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,594 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,594 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,595 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,595 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,595 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,595 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,595 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,595 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,596 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,596 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,596 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,596 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,596 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,597 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,597 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,597 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,597 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,597 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,598 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:05:20,619 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-04-18 16:05:20,642 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 16:05:20,642 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 16:05:20,642 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 16:05:20,643 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 16:05:20,643 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 16:05:20,643 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 16:05:20,643 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 16:05:20,643 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 16:05:20,668 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 234 places, 244 transitions, 510 flow [2020-04-18 16:05:21,517 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 17228 states. [2020-04-18 16:05:21,520 INFO L276 IsEmpty]: Start isEmpty. Operand 17228 states. [2020-04-18 16:05:21,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-04-18 16:05:21,532 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:05:21,533 INFO L425 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] [2020-04-18 16:05:21,534 INFO L427 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:05:21,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:05:21,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1392109782, now seen corresponding path program 1 times [2020-04-18 16:05:21,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:05:21,555 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [657436726] [2020-04-18 16:05:21,574 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:05:21,592 INFO L259 McrAutomatonBuilder]: Finished intersection with 45 states and 44 transitions. [2020-04-18 16:05:21,596 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-04-18 16:05:21,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-04-18 16:05:21,601 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:05:21,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:05:21,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1392109782, now seen corresponding path program 2 times [2020-04-18 16:05:21,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:05:21,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235143348] [2020-04-18 16:05:21,606 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:05:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:05:21,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:05:21,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235143348] [2020-04-18 16:05:21,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:05:21,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 16:05:21,876 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:05:21,884 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:05:21,903 INFO L259 McrAutomatonBuilder]: Finished intersection with 45 states and 44 transitions. [2020-04-18 16:05:21,903 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:05:21,909 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 16:05:21,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 16:05:21,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 16:05:21,915 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2020-04-18 16:05:21,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:05:21,921 INFO L93 Difference]: Finished difference Result 45 states and 44 transitions. [2020-04-18 16:05:21,921 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 44 transitions. [2020-04-18 16:05:21,922 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:05:21,923 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [657436726] [2020-04-18 16:05:21,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:05:21,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 16:05:21,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [657436726] [2020-04-18 16:05:21,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-18 16:05:21,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:05:21,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 16:05:21,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 16:05:21,930 INFO L87 Difference]: Start difference. First operand 17228 states. Second operand 2 states. [2020-04-18 16:05:22,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:05:22,143 INFO L93 Difference]: Finished difference Result 17225 states and 46759 transitions. [2020-04-18 16:05:22,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-18 16:05:22,144 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 44 [2020-04-18 16:05:22,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:05:22,282 INFO L225 Difference]: With dead ends: 17225 [2020-04-18 16:05:22,283 INFO L226 Difference]: Without dead ends: 16643 [2020-04-18 16:05:22,286 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 16:05:22,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16643 states. [2020-04-18 16:05:22,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16643 to 16643. [2020-04-18 16:05:22,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16643 states. [2020-04-18 16:05:23,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16643 states to 16643 states and 45285 transitions. [2020-04-18 16:05:23,048 INFO L78 Accepts]: Start accepts. Automaton has 16643 states and 45285 transitions. Word has length 44 [2020-04-18 16:05:23,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:05:23,049 INFO L479 AbstractCegarLoop]: Abstraction has 16643 states and 45285 transitions. [2020-04-18 16:05:23,049 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-18 16:05:23,050 INFO L276 IsEmpty]: Start isEmpty. Operand 16643 states and 45285 transitions. [2020-04-18 16:05:23,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-04-18 16:05:23,070 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:05:23,070 INFO L425 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, 1, 1] [2020-04-18 16:05:23,070 INFO L427 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:05:23,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:05:23,071 INFO L82 PathProgramCache]: Analyzing trace with hash 352145242, now seen corresponding path program 1 times [2020-04-18 16:05:23,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:05:23,071 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [2147405483] [2020-04-18 16:05:23,078 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:05:23,083 INFO L259 McrAutomatonBuilder]: Finished intersection with 78 states and 77 transitions. [2020-04-18 16:05:23,086 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-04-18 16:05:23,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-04-18 16:05:23,088 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:05:23,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:05:23,088 INFO L82 PathProgramCache]: Analyzing trace with hash 352145242, now seen corresponding path program 2 times [2020-04-18 16:05:23,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:05:23,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628230225] [2020-04-18 16:05:23,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:05:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:05:23,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:05:23,615 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628230225] [2020-04-18 16:05:23,615 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:05:23,615 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-04-18 16:05:23,616 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:05:23,645 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:05:24,352 INFO L259 McrAutomatonBuilder]: Finished intersection with 78 states and 77 transitions. [2020-04-18 16:05:24,353 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:05:24,494 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 16:05:24,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-04-18 16:05:24,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-04-18 16:05:24,496 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 12 states. [2020-04-18 16:05:24,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:05:24,885 INFO L93 Difference]: Finished difference Result 78 states and 77 transitions. [2020-04-18 16:05:24,886 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 77 transitions. [2020-04-18 16:05:24,887 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:05:24,887 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [2147405483] [2020-04-18 16:05:24,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:05:24,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-04-18 16:05:24,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [2147405483] [2020-04-18 16:05:24,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-04-18 16:05:24,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:05:24,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-04-18 16:05:24,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=257, Unknown=0, NotChecked=0, Total=380 [2020-04-18 16:05:24,891 INFO L87 Difference]: Start difference. First operand 16643 states and 45285 transitions. Second operand 12 states. [2020-04-18 16:05:25,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:05:25,422 INFO L93 Difference]: Finished difference Result 16640 states and 45281 transitions. [2020-04-18 16:05:25,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-04-18 16:05:25,423 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 77 [2020-04-18 16:05:25,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:05:25,470 INFO L225 Difference]: With dead ends: 16640 [2020-04-18 16:05:25,471 INFO L226 Difference]: Without dead ends: 16640 [2020-04-18 16:05:25,472 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2020-04-18 16:05:25,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16640 states. [2020-04-18 16:05:25,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16640 to 16640. [2020-04-18 16:05:25,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16640 states. [2020-04-18 16:05:25,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16640 states to 16640 states and 45281 transitions. [2020-04-18 16:05:25,959 INFO L78 Accepts]: Start accepts. Automaton has 16640 states and 45281 transitions. Word has length 77 [2020-04-18 16:05:25,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:05:25,960 INFO L479 AbstractCegarLoop]: Abstraction has 16640 states and 45281 transitions. [2020-04-18 16:05:25,960 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-04-18 16:05:25,960 INFO L276 IsEmpty]: Start isEmpty. Operand 16640 states and 45281 transitions. [2020-04-18 16:05:25,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-04-18 16:05:25,966 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:05:25,966 INFO L425 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, 1, 1, 1] [2020-04-18 16:05:25,966 INFO L427 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:05:25,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:05:25,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1780751271, now seen corresponding path program 1 times [2020-04-18 16:05:25,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:05:25,967 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [33809449] [2020-04-18 16:05:25,971 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:05:25,972 INFO L259 McrAutomatonBuilder]: Finished intersection with 79 states and 78 transitions. [2020-04-18 16:05:25,973 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2020-04-18 16:05:25,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-04-18 16:05:25,974 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:05:25,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:05:25,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1780751271, now seen corresponding path program 2 times [2020-04-18 16:05:25,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:05:25,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313721089] [2020-04-18 16:05:25,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:05:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:05:26,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:05:26,095 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313721089] [2020-04-18 16:05:26,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:05:26,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-18 16:05:26,095 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:05:26,116 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:05:26,249 INFO L259 McrAutomatonBuilder]: Finished intersection with 79 states and 78 transitions. [2020-04-18 16:05:26,250 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:05:26,282 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 16:05:26,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 16:05:26,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 16:05:26,283 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 4 states. [2020-04-18 16:05:26,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:05:26,296 INFO L93 Difference]: Finished difference Result 79 states and 78 transitions. [2020-04-18 16:05:26,297 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 78 transitions. [2020-04-18 16:05:26,297 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:05:26,297 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [33809449] [2020-04-18 16:05:26,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:05:26,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-04-18 16:05:26,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [33809449] [2020-04-18 16:05:26,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 16:05:26,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:05:26,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 16:05:26,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 16:05:26,299 INFO L87 Difference]: Start difference. First operand 16640 states and 45281 transitions. Second operand 4 states. [2020-04-18 16:05:26,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:05:26,420 INFO L93 Difference]: Finished difference Result 16478 states and 44685 transitions. [2020-04-18 16:05:26,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-18 16:05:26,420 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 78 [2020-04-18 16:05:26,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:05:26,465 INFO L225 Difference]: With dead ends: 16478 [2020-04-18 16:05:26,465 INFO L226 Difference]: Without dead ends: 16478 [2020-04-18 16:05:26,465 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 16:05:26,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16478 states. [2020-04-18 16:05:26,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16478 to 16478. [2020-04-18 16:05:26,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16478 states. [2020-04-18 16:05:27,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16478 states to 16478 states and 44685 transitions. [2020-04-18 16:05:27,078 INFO L78 Accepts]: Start accepts. Automaton has 16478 states and 44685 transitions. Word has length 78 [2020-04-18 16:05:27,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:05:27,079 INFO L479 AbstractCegarLoop]: Abstraction has 16478 states and 44685 transitions. [2020-04-18 16:05:27,079 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 16:05:27,079 INFO L276 IsEmpty]: Start isEmpty. Operand 16478 states and 44685 transitions. [2020-04-18 16:05:27,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-04-18 16:05:27,091 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:05:27,091 INFO L425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:05:27,091 INFO L427 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:05:27,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:05:27,092 INFO L82 PathProgramCache]: Analyzing trace with hash -963916843, now seen corresponding path program 1 times [2020-04-18 16:05:27,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:05:27,092 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [818267560] [2020-04-18 16:05:27,096 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:05:27,103 INFO L259 McrAutomatonBuilder]: Finished intersection with 85 states and 84 transitions. [2020-04-18 16:05:27,104 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states. [2020-04-18 16:05:27,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-04-18 16:05:27,105 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:05:27,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:05:27,105 INFO L82 PathProgramCache]: Analyzing trace with hash -963916843, now seen corresponding path program 2 times [2020-04-18 16:05:27,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:05:27,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964294218] [2020-04-18 16:05:27,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:05:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:05:27,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:05:27,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964294218] [2020-04-18 16:05:27,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:05:27,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 16:05:27,197 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:05:27,224 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:05:27,264 INFO L259 McrAutomatonBuilder]: Finished intersection with 85 states and 84 transitions. [2020-04-18 16:05:27,265 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:05:27,272 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 16:05:27,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 16:05:27,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 16:05:27,273 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 3 states. [2020-04-18 16:05:27,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:05:27,275 INFO L93 Difference]: Finished difference Result 85 states and 84 transitions. [2020-04-18 16:05:27,275 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 84 transitions. [2020-04-18 16:05:27,276 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:05:27,276 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [818267560] [2020-04-18 16:05:27,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:05:27,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-04-18 16:05:27,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [818267560] [2020-04-18 16:05:27,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 16:05:27,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:05:27,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 16:05:27,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 16:05:27,278 INFO L87 Difference]: Start difference. First operand 16478 states and 44685 transitions. Second operand 3 states. [2020-04-18 16:05:27,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:05:27,345 INFO L93 Difference]: Finished difference Result 11390 states and 30495 transitions. [2020-04-18 16:05:27,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 16:05:27,346 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-04-18 16:05:27,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:05:27,370 INFO L225 Difference]: With dead ends: 11390 [2020-04-18 16:05:27,370 INFO L226 Difference]: Without dead ends: 11201 [2020-04-18 16:05:27,371 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 16:05:27,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11201 states. [2020-04-18 16:05:27,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11201 to 11201. [2020-04-18 16:05:27,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11201 states. [2020-04-18 16:05:27,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11201 states to 11201 states and 30015 transitions. [2020-04-18 16:05:27,651 INFO L78 Accepts]: Start accepts. Automaton has 11201 states and 30015 transitions. Word has length 84 [2020-04-18 16:05:27,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:05:27,655 INFO L479 AbstractCegarLoop]: Abstraction has 11201 states and 30015 transitions. [2020-04-18 16:05:27,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 16:05:27,656 INFO L276 IsEmpty]: Start isEmpty. Operand 11201 states and 30015 transitions. [2020-04-18 16:05:27,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-04-18 16:05:27,662 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:05:27,663 INFO L425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:05:27,663 INFO L427 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:05:27,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:05:27,663 INFO L82 PathProgramCache]: Analyzing trace with hash 155716678, now seen corresponding path program 1 times [2020-04-18 16:05:27,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:05:27,664 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [522727327] [2020-04-18 16:05:27,668 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:05:27,670 INFO L259 McrAutomatonBuilder]: Finished intersection with 94 states and 93 transitions. [2020-04-18 16:05:27,671 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2020-04-18 16:05:27,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-04-18 16:05:27,672 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:05:27,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:05:27,672 INFO L82 PathProgramCache]: Analyzing trace with hash 155716678, now seen corresponding path program 2 times [2020-04-18 16:05:27,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:05:27,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341419335] [2020-04-18 16:05:27,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:05:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:05:27,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:05:27,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341419335] [2020-04-18 16:05:27,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:05:27,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-18 16:05:27,764 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:05:27,787 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:05:28,444 INFO L259 McrAutomatonBuilder]: Finished intersection with 94 states and 93 transitions. [2020-04-18 16:05:28,445 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:05:28,455 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 16:05:28,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 16:05:28,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 16:05:28,456 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 4 states. [2020-04-18 16:05:28,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:05:28,466 INFO L93 Difference]: Finished difference Result 94 states and 93 transitions. [2020-04-18 16:05:28,466 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 93 transitions. [2020-04-18 16:05:28,467 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:05:28,467 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [522727327] [2020-04-18 16:05:28,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:05:28,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-04-18 16:05:28,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [522727327] [2020-04-18 16:05:28,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 16:05:28,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:05:28,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 16:05:28,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 16:05:28,469 INFO L87 Difference]: Start difference. First operand 11201 states and 30015 transitions. Second operand 4 states. [2020-04-18 16:05:28,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:05:28,572 INFO L93 Difference]: Finished difference Result 19763 states and 53191 transitions. [2020-04-18 16:05:28,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-18 16:05:28,573 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2020-04-18 16:05:28,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:05:28,606 INFO L225 Difference]: With dead ends: 19763 [2020-04-18 16:05:28,606 INFO L226 Difference]: Without dead ends: 19691 [2020-04-18 16:05:28,607 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 16:05:28,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19691 states. [2020-04-18 16:05:28,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19691 to 11273. [2020-04-18 16:05:28,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11273 states. [2020-04-18 16:05:28,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11273 states to 11273 states and 30195 transitions. [2020-04-18 16:05:28,959 INFO L78 Accepts]: Start accepts. Automaton has 11273 states and 30195 transitions. Word has length 93 [2020-04-18 16:05:28,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:05:28,959 INFO L479 AbstractCegarLoop]: Abstraction has 11273 states and 30195 transitions. [2020-04-18 16:05:28,960 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 16:05:28,960 INFO L276 IsEmpty]: Start isEmpty. Operand 11273 states and 30195 transitions. [2020-04-18 16:05:28,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-04-18 16:05:28,967 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:05:28,967 INFO L425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:05:28,967 INFO L427 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:05:28,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:05:28,968 INFO L82 PathProgramCache]: Analyzing trace with hash -123679411, now seen corresponding path program 1 times [2020-04-18 16:05:28,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:05:28,968 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [239983094] [2020-04-18 16:05:28,973 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:05:28,975 INFO L259 McrAutomatonBuilder]: Finished intersection with 95 states and 94 transitions. [2020-04-18 16:05:28,975 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2020-04-18 16:05:28,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-04-18 16:05:28,976 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:05:28,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:05:28,977 INFO L82 PathProgramCache]: Analyzing trace with hash -123679411, now seen corresponding path program 2 times [2020-04-18 16:05:28,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:05:28,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829795460] [2020-04-18 16:05:28,977 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:05:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:05:29,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:05:29,474 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829795460] [2020-04-18 16:05:29,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:05:29,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-04-18 16:05:29,475 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:05:29,573 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:05:29,612 INFO L259 McrAutomatonBuilder]: Finished intersection with 95 states and 94 transitions. [2020-04-18 16:05:29,613 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:05:29,837 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 16:05:29,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-04-18 16:05:29,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2020-04-18 16:05:29,838 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 16 states. [2020-04-18 16:05:30,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:05:30,717 INFO L93 Difference]: Finished difference Result 95 states and 94 transitions. [2020-04-18 16:05:30,717 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 94 transitions. [2020-04-18 16:05:30,717 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:05:30,718 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [239983094] [2020-04-18 16:05:30,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:05:30,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-04-18 16:05:30,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [239983094] [2020-04-18 16:05:30,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-04-18 16:05:30,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:05:30,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-04-18 16:05:30,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=506, Unknown=0, NotChecked=0, Total=702 [2020-04-18 16:05:30,719 INFO L87 Difference]: Start difference. First operand 11273 states and 30195 transitions. Second operand 16 states. [2020-04-18 16:05:31,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:05:31,337 INFO L93 Difference]: Finished difference Result 11361 states and 30425 transitions. [2020-04-18 16:05:31,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-04-18 16:05:31,337 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 94 [2020-04-18 16:05:31,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:05:31,355 INFO L225 Difference]: With dead ends: 11361 [2020-04-18 16:05:31,356 INFO L226 Difference]: Without dead ends: 11361 [2020-04-18 16:05:31,356 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=218, Invalid=594, Unknown=0, NotChecked=0, Total=812 [2020-04-18 16:05:31,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11361 states. [2020-04-18 16:05:31,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11361 to 11315. [2020-04-18 16:05:31,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11315 states. [2020-04-18 16:05:31,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11315 states to 11315 states and 30305 transitions. [2020-04-18 16:05:31,707 INFO L78 Accepts]: Start accepts. Automaton has 11315 states and 30305 transitions. Word has length 94 [2020-04-18 16:05:31,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:05:31,708 INFO L479 AbstractCegarLoop]: Abstraction has 11315 states and 30305 transitions. [2020-04-18 16:05:31,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-04-18 16:05:31,708 INFO L276 IsEmpty]: Start isEmpty. Operand 11315 states and 30305 transitions. [2020-04-18 16:05:31,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-04-18 16:05:31,715 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:05:31,715 INFO L425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:05:31,715 INFO L427 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:05:31,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:05:31,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1865591421, now seen corresponding path program 1 times [2020-04-18 16:05:31,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:05:31,716 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1528873022] [2020-04-18 16:05:31,722 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:05:31,729 INFO L259 McrAutomatonBuilder]: Finished intersection with 191 states and 284 transitions. [2020-04-18 16:05:31,730 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2020-04-18 16:05:31,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-04-18 16:05:31,732 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:05:31,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:05:31,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1865591421, now seen corresponding path program 2 times [2020-04-18 16:05:31,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:05:31,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398516396] [2020-04-18 16:05:31,734 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:05:31,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:05:32,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:05:32,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398516396] [2020-04-18 16:05:32,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:05:32,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-04-18 16:05:32,532 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:05:32,550 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:05:32,590 INFO L259 McrAutomatonBuilder]: Finished intersection with 123 states and 148 transitions. [2020-04-18 16:05:32,590 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:05:33,015 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 13 times. [2020-04-18 16:05:33,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-04-18 16:05:33,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=433, Unknown=0, NotChecked=0, Total=506 [2020-04-18 16:05:33,016 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 23 states. [2020-04-18 16:05:33,845 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-04-18 16:05:34,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:05:34,484 INFO L93 Difference]: Finished difference Result 191 states and 284 transitions. [2020-04-18 16:05:34,485 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 284 transitions. [2020-04-18 16:05:34,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:05:34,486 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1528873022] [2020-04-18 16:05:34,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:05:34,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-04-18 16:05:34,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1528873022] [2020-04-18 16:05:34,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-04-18 16:05:34,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:05:34,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-04-18 16:05:34,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=975, Unknown=0, NotChecked=0, Total=1260 [2020-04-18 16:05:34,488 INFO L87 Difference]: Start difference. First operand 11315 states and 30305 transitions. Second operand 23 states. [2020-04-18 16:05:37,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:05:37,262 INFO L93 Difference]: Finished difference Result 17940 states and 48345 transitions. [2020-04-18 16:05:37,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-04-18 16:05:37,262 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 96 [2020-04-18 16:05:37,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:05:37,300 INFO L225 Difference]: With dead ends: 17940 [2020-04-18 16:05:37,300 INFO L226 Difference]: Without dead ends: 17940 [2020-04-18 16:05:37,301 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=442, Invalid=1628, Unknown=0, NotChecked=0, Total=2070 [2020-04-18 16:05:37,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17940 states. [2020-04-18 16:05:37,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17940 to 11177. [2020-04-18 16:05:37,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11177 states. [2020-04-18 16:05:37,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11177 states to 11177 states and 29899 transitions. [2020-04-18 16:05:37,773 INFO L78 Accepts]: Start accepts. Automaton has 11177 states and 29899 transitions. Word has length 96 [2020-04-18 16:05:37,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:05:37,773 INFO L479 AbstractCegarLoop]: Abstraction has 11177 states and 29899 transitions. [2020-04-18 16:05:37,774 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-04-18 16:05:37,774 INFO L276 IsEmpty]: Start isEmpty. Operand 11177 states and 29899 transitions. [2020-04-18 16:05:37,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-04-18 16:05:37,779 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:05:37,779 INFO L425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:05:37,780 INFO L427 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:05:37,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:05:37,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1696868621, now seen corresponding path program 1 times [2020-04-18 16:05:37,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:05:37,781 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1651396835] [2020-04-18 16:05:37,786 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:05:37,788 INFO L259 McrAutomatonBuilder]: Finished intersection with 99 states and 98 transitions. [2020-04-18 16:05:37,789 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states. [2020-04-18 16:05:37,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-04-18 16:05:37,790 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:05:37,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:05:37,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1696868621, now seen corresponding path program 2 times [2020-04-18 16:05:37,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:05:37,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142025254] [2020-04-18 16:05:37,791 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:05:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:05:39,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:05:39,063 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142025254] [2020-04-18 16:05:39,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:05:39,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-04-18 16:05:39,064 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:05:39,080 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:05:39,113 INFO L259 McrAutomatonBuilder]: Finished intersection with 99 states and 98 transitions. [2020-04-18 16:05:39,113 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:05:39,657 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 16:05:39,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-04-18 16:05:39,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2020-04-18 16:05:39,658 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 26 states. [2020-04-18 16:05:42,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:05:42,485 INFO L93 Difference]: Finished difference Result 99 states and 98 transitions. [2020-04-18 16:05:42,485 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 98 transitions. [2020-04-18 16:05:42,485 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:05:42,486 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1651396835] [2020-04-18 16:05:42,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:05:42,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-04-18 16:05:42,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1651396835] [2020-04-18 16:05:42,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-04-18 16:05:42,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:05:42,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-04-18 16:05:42,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=409, Invalid=1847, Unknown=0, NotChecked=0, Total=2256 [2020-04-18 16:05:42,488 INFO L87 Difference]: Start difference. First operand 11177 states and 29899 transitions. Second operand 26 states. [2020-04-18 16:05:44,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:05:44,136 INFO L93 Difference]: Finished difference Result 11203 states and 29965 transitions. [2020-04-18 16:05:44,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-04-18 16:05:44,136 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 98 [2020-04-18 16:05:44,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:05:44,152 INFO L225 Difference]: With dead ends: 11203 [2020-04-18 16:05:44,152 INFO L226 Difference]: Without dead ends: 11191 [2020-04-18 16:05:44,154 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=445, Invalid=2005, Unknown=0, NotChecked=0, Total=2450 [2020-04-18 16:05:44,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11191 states. [2020-04-18 16:05:44,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11191 to 11191. [2020-04-18 16:05:44,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11191 states. [2020-04-18 16:05:44,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11191 states to 11191 states and 29947 transitions. [2020-04-18 16:05:44,525 INFO L78 Accepts]: Start accepts. Automaton has 11191 states and 29947 transitions. Word has length 98 [2020-04-18 16:05:44,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:05:44,525 INFO L479 AbstractCegarLoop]: Abstraction has 11191 states and 29947 transitions. [2020-04-18 16:05:44,525 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-04-18 16:05:44,526 INFO L276 IsEmpty]: Start isEmpty. Operand 11191 states and 29947 transitions. [2020-04-18 16:05:44,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-04-18 16:05:44,533 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:05:44,534 INFO L425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:05:44,534 INFO L427 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:05:44,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:05:44,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1914987485, now seen corresponding path program 1 times [2020-04-18 16:05:44,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:05:44,535 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1486486177] [2020-04-18 16:05:44,541 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:05:44,546 INFO L259 McrAutomatonBuilder]: Finished intersection with 203 states and 304 transitions. [2020-04-18 16:05:44,547 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states. [2020-04-18 16:05:44,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-04-18 16:05:44,549 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:05:44,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:05:44,550 INFO L82 PathProgramCache]: Analyzing trace with hash -1914987485, now seen corresponding path program 2 times [2020-04-18 16:05:44,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:05:44,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534390007] [2020-04-18 16:05:44,551 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:05:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:05:46,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:05:46,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534390007] [2020-04-18 16:05:46,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:05:46,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-04-18 16:05:46,131 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:05:46,157 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:05:46,215 INFO L259 McrAutomatonBuilder]: Finished intersection with 127 states and 152 transitions. [2020-04-18 16:05:46,216 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:05:47,113 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 13 times. [2020-04-18 16:05:47,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-04-18 16:05:47,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=898, Unknown=0, NotChecked=0, Total=992 [2020-04-18 16:05:47,114 INFO L87 Difference]: Start difference. First operand 203 states. Second operand 32 states. [2020-04-18 16:05:48,351 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2020-04-18 16:05:48,509 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 64 [2020-04-18 16:05:48,677 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2020-04-18 16:05:49,318 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 55 [2020-04-18 16:05:49,778 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-04-18 16:05:51,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:05:51,277 INFO L93 Difference]: Finished difference Result 220 states and 320 transitions. [2020-04-18 16:05:51,277 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 320 transitions. [2020-04-18 16:05:51,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-04-18 16:05:51,278 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 16:05:51,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:05:51,279 INFO L82 PathProgramCache]: Analyzing trace with hash 532118429, now seen corresponding path program 3 times [2020-04-18 16:05:51,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:05:51,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832342073] [2020-04-18 16:05:51,280 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:05:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:05:52,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:05:52,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832342073] [2020-04-18 16:05:52,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:05:52,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-04-18 16:05:52,734 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:05:52,757 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:05:52,835 INFO L259 McrAutomatonBuilder]: Finished intersection with 141 states and 180 transitions. [2020-04-18 16:05:52,836 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:05:53,722 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 10 times. [2020-04-18 16:05:53,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-04-18 16:05:53,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=652, Invalid=3904, Unknown=0, NotChecked=0, Total=4556 [2020-04-18 16:05:53,724 INFO L87 Difference]: Start difference. First operand 220 states and 320 transitions. Second operand 28 states. [2020-04-18 16:05:56,726 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2020-04-18 16:05:56,939 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2020-04-18 16:05:57,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:05:57,022 INFO L93 Difference]: Finished difference Result 220 states and 320 transitions. [2020-04-18 16:05:57,022 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 320 transitions. [2020-04-18 16:05:57,023 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:05:57,024 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1486486177] [2020-04-18 16:05:57,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:05:57,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-04-18 16:05:57,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1486486177] [2020-04-18 16:05:57,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 45 states [2020-04-18 16:05:57,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:05:57,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2020-04-18 16:05:57,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1004, Invalid=5476, Unknown=0, NotChecked=0, Total=6480 [2020-04-18 16:05:57,027 INFO L87 Difference]: Start difference. First operand 11191 states and 29947 transitions. Second operand 45 states. [2020-04-18 16:05:59,038 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 70 [2020-04-18 16:05:59,203 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2020-04-18 16:06:00,276 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2020-04-18 16:06:00,495 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2020-04-18 16:06:00,707 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2020-04-18 16:06:01,240 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2020-04-18 16:06:02,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:06:02,642 INFO L93 Difference]: Finished difference Result 17280 states and 46620 transitions. [2020-04-18 16:06:02,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-04-18 16:06:02,643 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 100 [2020-04-18 16:06:02,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:06:02,661 INFO L225 Difference]: With dead ends: 17280 [2020-04-18 16:06:02,661 INFO L226 Difference]: Without dead ends: 16776 [2020-04-18 16:06:02,663 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 180 SyntacticMatches, 33 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3610 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=1301, Invalid=6889, Unknown=0, NotChecked=0, Total=8190 [2020-04-18 16:06:02,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16776 states. [2020-04-18 16:06:02,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16776 to 10193. [2020-04-18 16:06:02,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10193 states. [2020-04-18 16:06:02,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10193 states to 10193 states and 27375 transitions. [2020-04-18 16:06:02,938 INFO L78 Accepts]: Start accepts. Automaton has 10193 states and 27375 transitions. Word has length 100 [2020-04-18 16:06:02,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:06:02,938 INFO L479 AbstractCegarLoop]: Abstraction has 10193 states and 27375 transitions. [2020-04-18 16:06:02,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 45 states. [2020-04-18 16:06:02,938 INFO L276 IsEmpty]: Start isEmpty. Operand 10193 states and 27375 transitions. [2020-04-18 16:06:02,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-04-18 16:06:02,951 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:06:02,951 INFO L425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:06:02,951 INFO L427 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:06:02,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:06:02,953 INFO L82 PathProgramCache]: Analyzing trace with hash -150346289, now seen corresponding path program 1 times [2020-04-18 16:06:02,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:06:02,953 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [170008659] [2020-04-18 16:06:02,965 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:06:03,080 INFO L259 McrAutomatonBuilder]: Finished intersection with 3201 states and 6234 transitions. [2020-04-18 16:06:03,095 INFO L276 IsEmpty]: Start isEmpty. Operand 3201 states. [2020-04-18 16:06:03,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-04-18 16:06:03,105 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:06:03,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:06:03,105 INFO L82 PathProgramCache]: Analyzing trace with hash 369379497, now seen corresponding path program 2 times [2020-04-18 16:06:03,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:06:03,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160976115] [2020-04-18 16:06:03,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:06:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:06:03,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:06:03,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160976115] [2020-04-18 16:06:03,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:06:03,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 16:06:03,179 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:06:03,222 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:06:04,826 INFO L259 McrAutomatonBuilder]: Finished intersection with 661 states and 1154 transitions. [2020-04-18 16:06:04,826 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:06:05,123 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-04-18 16:06:05,156 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 29 times. [2020-04-18 16:06:05,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-04-18 16:06:05,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-04-18 16:06:05,157 INFO L87 Difference]: Start difference. First operand 3201 states. Second operand 15 states. [2020-04-18 16:06:05,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:06:05,862 INFO L93 Difference]: Finished difference Result 3291 states and 6411 transitions. [2020-04-18 16:06:05,862 INFO L276 IsEmpty]: Start isEmpty. Operand 3291 states and 6411 transitions. [2020-04-18 16:06:05,866 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:06:05,867 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [170008659] [2020-04-18 16:06:05,867 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:06:05,867 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-04-18 16:06:05,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [170008659] [2020-04-18 16:06:05,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-04-18 16:06:05,868 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:06:05,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-04-18 16:06:05,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2020-04-18 16:06:05,868 INFO L87 Difference]: Start difference. First operand 10193 states and 27375 transitions. Second operand 15 states. [2020-04-18 16:06:06,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:06:06,972 INFO L93 Difference]: Finished difference Result 5765 states and 14440 transitions. [2020-04-18 16:06:06,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-04-18 16:06:06,973 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 166 [2020-04-18 16:06:06,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:06:06,979 INFO L225 Difference]: With dead ends: 5765 [2020-04-18 16:06:06,979 INFO L226 Difference]: Without dead ends: 5765 [2020-04-18 16:06:06,980 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 200 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=147, Invalid=723, Unknown=0, NotChecked=0, Total=870 [2020-04-18 16:06:06,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5765 states. [2020-04-18 16:06:07,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5765 to 4685. [2020-04-18 16:06:07,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4685 states. [2020-04-18 16:06:07,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4685 states to 4685 states and 11760 transitions. [2020-04-18 16:06:07,065 INFO L78 Accepts]: Start accepts. Automaton has 4685 states and 11760 transitions. Word has length 166 [2020-04-18 16:06:07,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:06:07,066 INFO L479 AbstractCegarLoop]: Abstraction has 4685 states and 11760 transitions. [2020-04-18 16:06:07,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-04-18 16:06:07,066 INFO L276 IsEmpty]: Start isEmpty. Operand 4685 states and 11760 transitions. [2020-04-18 16:06:07,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-04-18 16:06:07,075 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:06:07,075 INFO L425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:06:07,075 INFO L427 AbstractCegarLoop]: === Iteration 11 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:06:07,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:06:07,076 INFO L82 PathProgramCache]: Analyzing trace with hash 956899184, now seen corresponding path program 1 times [2020-04-18 16:06:07,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:06:07,076 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1840294612] [2020-04-18 16:06:07,091 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:06:07,231 INFO L259 McrAutomatonBuilder]: Finished intersection with 3239 states and 6309 transitions. [2020-04-18 16:06:07,248 INFO L276 IsEmpty]: Start isEmpty. Operand 3239 states. [2020-04-18 16:06:07,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-04-18 16:06:07,256 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:06:07,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:06:07,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1827439394, now seen corresponding path program 2 times [2020-04-18 16:06:07,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:06:07,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838533183] [2020-04-18 16:06:07,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:06:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:06:08,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:06:08,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838533183] [2020-04-18 16:06:08,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:06:08,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2020-04-18 16:06:08,429 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:06:08,472 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:06:10,708 INFO L259 McrAutomatonBuilder]: Finished intersection with 609 states and 1049 transitions. [2020-04-18 16:06:10,708 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:06:11,931 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 13 times. [2020-04-18 16:06:11,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-04-18 16:06:11,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=920, Unknown=0, NotChecked=0, Total=1056 [2020-04-18 16:06:11,933 INFO L87 Difference]: Start difference. First operand 3239 states. Second operand 33 states. [2020-04-18 16:06:15,731 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 69 [2020-04-18 16:06:16,127 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 67 [2020-04-18 16:06:16,406 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 73 [2020-04-18 16:06:21,384 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 63 [2020-04-18 16:06:22,202 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 72 [2020-04-18 16:06:22,600 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 81 [2020-04-18 16:06:23,220 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 56 [2020-04-18 16:06:23,878 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2020-04-18 16:06:24,243 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 74 [2020-04-18 16:06:24,568 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2020-04-18 16:06:28,351 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 64 [2020-04-18 16:06:29,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:06:29,036 INFO L93 Difference]: Finished difference Result 5237 states and 10198 transitions. [2020-04-18 16:06:29,037 INFO L276 IsEmpty]: Start isEmpty. Operand 5237 states and 10198 transitions. [2020-04-18 16:06:29,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-04-18 16:06:29,046 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 16:06:29,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:06:29,046 INFO L82 PathProgramCache]: Analyzing trace with hash -385594954, now seen corresponding path program 3 times [2020-04-18 16:06:29,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:06:29,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811308422] [2020-04-18 16:06:29,047 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:06:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:06:29,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:06:29,118 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811308422] [2020-04-18 16:06:29,118 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:06:29,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 16:06:29,119 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:06:29,162 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:06:30,591 INFO L259 McrAutomatonBuilder]: Finished intersection with 796 states and 1423 transitions. [2020-04-18 16:06:30,591 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:06:30,756 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 18 times. [2020-04-18 16:06:30,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-18 16:06:30,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1287, Invalid=6023, Unknown=0, NotChecked=0, Total=7310 [2020-04-18 16:06:30,758 INFO L87 Difference]: Start difference. First operand 5237 states and 10198 transitions. Second operand 5 states. [2020-04-18 16:06:30,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:06:30,825 INFO L93 Difference]: Finished difference Result 5312 states and 10314 transitions. [2020-04-18 16:06:30,825 INFO L276 IsEmpty]: Start isEmpty. Operand 5312 states and 10314 transitions. [2020-04-18 16:06:30,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:06:30,832 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1840294612] [2020-04-18 16:06:30,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:06:30,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-04-18 16:06:30,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1840294612] [2020-04-18 16:06:30,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-04-18 16:06:30,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:06:30,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-04-18 16:06:30,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1292, Invalid=6190, Unknown=0, NotChecked=0, Total=7482 [2020-04-18 16:06:30,836 INFO L87 Difference]: Start difference. First operand 4685 states and 11760 transitions. Second operand 36 states. [2020-04-18 16:06:35,114 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 70 [2020-04-18 16:06:36,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:06:36,459 INFO L93 Difference]: Finished difference Result 4802 states and 12021 transitions. [2020-04-18 16:06:36,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-04-18 16:06:36,459 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 167 [2020-04-18 16:06:36,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:06:36,466 INFO L225 Difference]: With dead ends: 4802 [2020-04-18 16:06:36,466 INFO L226 Difference]: Without dead ends: 4322 [2020-04-18 16:06:36,470 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 363 SyntacticMatches, 3 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3965 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=2207, Invalid=11599, Unknown=0, NotChecked=0, Total=13806 [2020-04-18 16:06:36,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4322 states. [2020-04-18 16:06:36,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4322 to 4262. [2020-04-18 16:06:36,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4262 states. [2020-04-18 16:06:36,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4262 states to 4262 states and 10598 transitions. [2020-04-18 16:06:36,543 INFO L78 Accepts]: Start accepts. Automaton has 4262 states and 10598 transitions. Word has length 167 [2020-04-18 16:06:36,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:06:36,543 INFO L479 AbstractCegarLoop]: Abstraction has 4262 states and 10598 transitions. [2020-04-18 16:06:36,543 INFO L480 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-04-18 16:06:36,544 INFO L276 IsEmpty]: Start isEmpty. Operand 4262 states and 10598 transitions. [2020-04-18 16:06:36,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-04-18 16:06:36,551 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:06:36,551 INFO L425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:06:36,551 INFO L427 AbstractCegarLoop]: === Iteration 12 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:06:36,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:06:36,552 INFO L82 PathProgramCache]: Analyzing trace with hash 321901163, now seen corresponding path program 1 times [2020-04-18 16:06:36,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:06:36,552 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1409856583] [2020-04-18 16:06:36,565 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:06:36,723 INFO L259 McrAutomatonBuilder]: Finished intersection with 3391 states and 6609 transitions. [2020-04-18 16:06:36,742 INFO L276 IsEmpty]: Start isEmpty. Operand 3391 states. [2020-04-18 16:06:36,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-04-18 16:06:36,750 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:06:36,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:06:36,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1701268249, now seen corresponding path program 2 times [2020-04-18 16:06:36,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:06:36,751 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107705293] [2020-04-18 16:06:36,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:06:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:06:37,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:06:37,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107705293] [2020-04-18 16:06:37,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:06:37,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 16:06:37,366 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:06:37,410 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:06:38,596 INFO L259 McrAutomatonBuilder]: Finished intersection with 833 states and 1493 transitions. [2020-04-18 16:06:38,597 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:06:38,615 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 8 times. [2020-04-18 16:06:38,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 16:06:38,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 16:06:38,616 INFO L87 Difference]: Start difference. First operand 3391 states. Second operand 4 states. [2020-04-18 16:06:38,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:06:38,640 INFO L93 Difference]: Finished difference Result 3511 states and 6815 transitions. [2020-04-18 16:06:38,640 INFO L276 IsEmpty]: Start isEmpty. Operand 3511 states and 6815 transitions. [2020-04-18 16:06:38,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-04-18 16:06:38,644 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 16:06:38,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:06:38,645 INFO L82 PathProgramCache]: Analyzing trace with hash 253609639, now seen corresponding path program 3 times [2020-04-18 16:06:38,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:06:38,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093641332] [2020-04-18 16:06:38,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:06:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:06:41,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:06:41,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093641332] [2020-04-18 16:06:41,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:06:41,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2020-04-18 16:06:41,496 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:06:41,524 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:06:42,306 INFO L259 McrAutomatonBuilder]: Finished intersection with 633 states and 1093 transitions. [2020-04-18 16:06:42,306 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:06:44,654 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 88 times. [2020-04-18 16:06:44,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2020-04-18 16:06:44,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=328, Invalid=2864, Unknown=0, NotChecked=0, Total=3192 [2020-04-18 16:06:44,656 INFO L87 Difference]: Start difference. First operand 3511 states and 6815 transitions. Second operand 55 states. [2020-04-18 16:06:46,415 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 61 [2020-04-18 16:06:46,631 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2020-04-18 16:06:46,854 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2020-04-18 16:06:49,339 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 59 [2020-04-18 16:06:49,531 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 63 [2020-04-18 16:06:49,770 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2020-04-18 16:06:50,217 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2020-04-18 16:06:50,750 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 71 [2020-04-18 16:06:51,094 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 59 [2020-04-18 16:06:51,861 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2020-04-18 16:06:53,572 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 67 [2020-04-18 16:06:54,028 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 74 [2020-04-18 16:06:54,288 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2020-04-18 16:06:54,665 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 75 [2020-04-18 16:06:54,900 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 65 [2020-04-18 16:06:55,131 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2020-04-18 16:06:55,362 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 51 [2020-04-18 16:06:55,718 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2020-04-18 16:06:55,932 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2020-04-18 16:06:56,215 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 74 [2020-04-18 16:06:56,534 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 61 [2020-04-18 16:06:56,851 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 81 [2020-04-18 16:06:57,225 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 73 [2020-04-18 16:06:57,410 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2020-04-18 16:06:57,740 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2020-04-18 16:06:58,017 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 55 [2020-04-18 16:06:58,278 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2020-04-18 16:06:58,569 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2020-04-18 16:06:59,063 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 77 [2020-04-18 16:06:59,534 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 69 [2020-04-18 16:06:59,887 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 89 [2020-04-18 16:07:00,273 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2020-04-18 16:07:00,615 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 87 [2020-04-18 16:07:01,016 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2020-04-18 16:07:01,449 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2020-04-18 16:07:01,899 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 71 [2020-04-18 16:07:03,106 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 58 [2020-04-18 16:07:03,442 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 78 [2020-04-18 16:07:03,767 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 75 [2020-04-18 16:07:04,010 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2020-04-18 16:07:05,170 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 66 [2020-04-18 16:07:05,440 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 62 [2020-04-18 16:07:05,787 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 86 [2020-04-18 16:07:06,140 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 82 [2020-04-18 16:07:06,613 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 76 [2020-04-18 16:07:07,329 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 78 [2020-04-18 16:07:08,287 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2020-04-18 16:07:08,703 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 70 [2020-04-18 16:07:09,137 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 90 [2020-04-18 16:07:09,538 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 92 [2020-04-18 16:07:09,723 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2020-04-18 16:07:10,175 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2020-04-18 16:07:10,351 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2020-04-18 16:07:11,007 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2020-04-18 16:07:13,517 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2020-04-18 16:07:13,872 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 68 [2020-04-18 16:07:14,178 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 71 [2020-04-18 16:07:14,371 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 56 [2020-04-18 16:07:14,759 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 69 [2020-04-18 16:07:15,218 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 89 [2020-04-18 16:07:15,750 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 76 [2020-04-18 16:07:16,724 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 75 [2020-04-18 16:07:17,156 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2020-04-18 16:07:17,373 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 60 [2020-04-18 16:07:17,787 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 73 [2020-04-18 16:07:18,200 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 93 [2020-04-18 16:07:18,553 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 80 [2020-04-18 16:07:19,831 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 83 [2020-04-18 16:07:20,615 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 64 [2020-04-18 16:07:21,429 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 78 [2020-04-18 16:07:21,720 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 71 [2020-04-18 16:07:22,072 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 73 [2020-04-18 16:07:22,978 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 86 [2020-04-18 16:07:23,344 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 87 [2020-04-18 16:07:23,654 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 79 [2020-04-18 16:07:24,023 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 80 [2020-04-18 16:07:25,918 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 95 [2020-04-18 16:07:26,439 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 88 [2020-04-18 16:07:27,226 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 86 [2020-04-18 16:07:30,338 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2020-04-18 16:07:30,973 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 76 [2020-04-18 16:07:31,569 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 89 [2020-04-18 16:07:32,195 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 82 [2020-04-18 16:07:33,291 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2020-04-18 16:07:33,783 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 85 [2020-04-18 16:07:34,607 WARN L192 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 98 [2020-04-18 16:07:35,152 WARN L192 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 91 [2020-04-18 16:07:36,259 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2020-04-18 16:07:36,753 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 60 [2020-04-18 16:07:41,028 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2020-04-18 16:07:41,958 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2020-04-18 16:07:42,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:07:42,273 INFO L93 Difference]: Finished difference Result 7629 states and 14864 transitions. [2020-04-18 16:07:42,273 INFO L276 IsEmpty]: Start isEmpty. Operand 7629 states and 14864 transitions. [2020-04-18 16:07:42,279 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:07:42,280 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1409856583] [2020-04-18 16:07:42,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:07:42,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2020-04-18 16:07:42,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1409856583] [2020-04-18 16:07:42,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 57 states [2020-04-18 16:07:42,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:07:42,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2020-04-18 16:07:42,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5314, Invalid=25486, Unknown=0, NotChecked=0, Total=30800 [2020-04-18 16:07:42,283 INFO L87 Difference]: Start difference. First operand 4262 states and 10598 transitions. Second operand 57 states. [2020-04-18 16:07:44,123 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 63 [2020-04-18 16:07:44,597 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 65 [2020-04-18 16:07:44,866 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 63 [2020-04-18 16:07:45,069 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2020-04-18 16:07:45,314 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 60 [2020-04-18 16:07:46,343 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-04-18 16:07:46,883 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 57 [2020-04-18 16:07:47,165 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 66 [2020-04-18 16:07:48,515 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2020-04-18 16:07:49,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:07:49,095 INFO L93 Difference]: Finished difference Result 5285 states and 13175 transitions. [2020-04-18 16:07:49,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-04-18 16:07:49,096 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 171 [2020-04-18 16:07:49,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:07:49,103 INFO L225 Difference]: With dead ends: 5285 [2020-04-18 16:07:49,103 INFO L226 Difference]: Without dead ends: 5285 [2020-04-18 16:07:49,106 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 607 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 193 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10486 ImplicationChecksByTransitivity, 27.4s TimeCoverageRelationStatistics Valid=6075, Invalid=31755, Unknown=0, NotChecked=0, Total=37830 [2020-04-18 16:07:49,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5285 states. [2020-04-18 16:07:49,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5285 to 5177. [2020-04-18 16:07:49,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5177 states. [2020-04-18 16:07:49,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5177 states to 5177 states and 12907 transitions. [2020-04-18 16:07:49,176 INFO L78 Accepts]: Start accepts. Automaton has 5177 states and 12907 transitions. Word has length 171 [2020-04-18 16:07:49,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:07:49,176 INFO L479 AbstractCegarLoop]: Abstraction has 5177 states and 12907 transitions. [2020-04-18 16:07:49,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 57 states. [2020-04-18 16:07:49,177 INFO L276 IsEmpty]: Start isEmpty. Operand 5177 states and 12907 transitions. [2020-04-18 16:07:49,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-04-18 16:07:49,180 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:07:49,180 INFO L425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:07:49,181 INFO L427 AbstractCegarLoop]: === Iteration 13 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:07:49,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:07:49,181 INFO L82 PathProgramCache]: Analyzing trace with hash -718012912, now seen corresponding path program 1 times [2020-04-18 16:07:49,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:07:49,181 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [91184795] [2020-04-18 16:07:49,191 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:07:49,382 INFO L259 McrAutomatonBuilder]: Finished intersection with 3743 states and 7309 transitions. [2020-04-18 16:07:49,406 INFO L276 IsEmpty]: Start isEmpty. Operand 3743 states. [2020-04-18 16:07:49,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-04-18 16:07:49,412 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:07:49,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:07:49,413 INFO L82 PathProgramCache]: Analyzing trace with hash -595628404, now seen corresponding path program 2 times [2020-04-18 16:07:49,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:07:49,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425241850] [2020-04-18 16:07:49,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:07:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:07:49,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:07:49,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425241850] [2020-04-18 16:07:49,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:07:49,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 16:07:49,469 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:07:49,515 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:07:51,415 INFO L259 McrAutomatonBuilder]: Finished intersection with 875 states and 1573 transitions. [2020-04-18 16:07:51,415 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:07:51,431 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 8 times. [2020-04-18 16:07:51,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 16:07:51,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 16:07:51,432 INFO L87 Difference]: Start difference. First operand 3743 states. Second operand 4 states. [2020-04-18 16:07:51,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:07:51,455 INFO L93 Difference]: Finished difference Result 3879 states and 7543 transitions. [2020-04-18 16:07:51,455 INFO L276 IsEmpty]: Start isEmpty. Operand 3879 states and 7543 transitions. [2020-04-18 16:07:51,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-04-18 16:07:51,458 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 16:07:51,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:07:51,458 INFO L82 PathProgramCache]: Analyzing trace with hash -2074774452, now seen corresponding path program 3 times [2020-04-18 16:07:51,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:07:51,459 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313876447] [2020-04-18 16:07:51,459 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:07:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:07:53,988 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 41 [2020-04-18 16:07:54,191 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 40 [2020-04-18 16:07:54,371 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2020-04-18 16:07:56,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:07:56,035 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313876447] [2020-04-18 16:07:56,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:07:56,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [47] imperfect sequences [] total 47 [2020-04-18 16:07:56,035 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:07:56,064 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:07:57,140 INFO L259 McrAutomatonBuilder]: Finished intersection with 637 states and 1097 transitions. [2020-04-18 16:07:57,141 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:08:04,006 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 111 times. [2020-04-18 16:08:04,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2020-04-18 16:08:04,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=411, Invalid=7779, Unknown=0, NotChecked=0, Total=8190 [2020-04-18 16:08:04,008 INFO L87 Difference]: Start difference. First operand 3879 states and 7543 transitions. Second operand 89 states. [2020-04-18 16:08:07,509 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2020-04-18 16:08:10,955 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 57 [2020-04-18 16:08:11,357 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 60 [2020-04-18 16:08:11,995 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 62 [2020-04-18 16:08:13,178 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 66 [2020-04-18 16:08:14,554 WARN L192 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 64 [2020-04-18 16:08:15,754 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 61 [2020-04-18 16:08:16,611 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 64 [2020-04-18 16:08:17,630 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 66 [2020-04-18 16:08:18,541 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 70 [2020-04-18 16:08:19,278 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 68 [2020-04-18 16:08:21,306 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2020-04-18 16:08:22,112 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 71 [2020-04-18 16:08:23,185 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 64 [2020-04-18 16:08:24,029 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2020-04-18 16:08:26,998 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 72 [2020-04-18 16:08:28,353 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 74 [2020-04-18 16:08:29,797 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-04-18 16:08:30,582 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2020-04-18 16:08:31,612 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 81 [2020-04-18 16:08:32,540 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2020-04-18 16:08:33,265 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 74 [2020-04-18 16:08:33,754 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2020-04-18 16:08:34,524 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2020-04-18 16:08:37,218 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 62 [2020-04-18 16:08:38,468 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2020-04-18 16:08:40,126 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2020-04-18 16:08:41,431 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2020-04-18 16:08:42,667 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 73 [2020-04-18 16:08:44,483 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 65 [2020-04-18 16:08:45,266 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2020-04-18 16:08:45,721 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 80 [2020-04-18 16:08:46,936 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2020-04-18 16:08:47,576 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 84 [2020-04-18 16:08:48,193 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 79 [2020-04-18 16:08:50,512 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2020-04-18 16:08:51,041 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2020-04-18 16:08:52,517 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2020-04-18 16:08:53,084 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 76 [2020-04-18 16:08:53,756 WARN L192 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 96 [2020-04-18 16:08:54,416 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 90 [2020-04-18 16:08:55,715 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2020-04-18 16:08:56,405 WARN L192 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 96 [2020-04-18 16:08:57,208 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 65 [2020-04-18 16:08:58,156 WARN L192 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2020-04-18 16:08:58,656 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2020-04-18 16:08:59,536 WARN L192 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 99 [2020-04-18 16:09:00,111 WARN L192 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 100 [2020-04-18 16:09:01,820 WARN L192 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2020-04-18 16:09:02,362 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 89 [2020-04-18 16:09:03,067 WARN L192 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 88 [2020-04-18 16:09:03,771 WARN L192 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 102 [2020-04-18 16:09:04,383 WARN L192 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 103 [2020-04-18 16:09:05,152 WARN L192 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 102 [2020-04-18 16:09:05,983 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 79 [2020-04-18 16:09:06,343 WARN L192 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2020-04-18 16:09:06,897 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2020-04-18 16:09:07,630 WARN L192 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 99 [2020-04-18 16:09:08,281 WARN L192 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 106 [2020-04-18 16:09:09,272 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 81 [2020-04-18 16:09:09,786 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 89 [2020-04-18 16:09:10,358 WARN L192 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 92 [2020-04-18 16:09:11,030 WARN L192 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2020-04-18 16:09:11,666 WARN L192 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 103 [2020-04-18 16:09:12,367 WARN L192 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 106 [2020-04-18 16:09:13,020 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2020-04-18 16:09:14,225 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2020-04-18 16:09:14,830 WARN L192 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 95 [2020-04-18 16:09:15,904 WARN L192 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 99 [2020-04-18 16:09:16,592 WARN L192 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 109 [2020-04-18 16:09:18,533 WARN L192 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 98 [2020-04-18 16:09:19,903 WARN L192 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 112 [2020-04-18 16:09:20,845 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 68 [2020-04-18 16:09:21,263 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 72 [2020-04-18 16:09:22,357 WARN L192 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 95 [2020-04-18 16:09:23,582 WARN L192 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 109 Received shutdown request... [2020-04-18 16:09:24,139 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.RuntimeException: de.uni_freiburg.informatik.ultimate.automata.AutomataOperationCanceledException: Timeout or canceled by user. at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyModuleMcr.getOrConstruct(StrategyModuleMcr.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyModuleMcr.isCorrect(StrategyModuleMcr.java:64) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.automata.AutomataOperationCanceledException: Timeout or canceled by user. at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1067) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:966) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:187) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.Mcr.exploreInterleavings(Mcr.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.Mcr.(Mcr.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyModuleMcr.getOrConstruct(StrategyModuleMcr.java:126) ... 23 more [2020-04-18 16:09:24,147 INFO L168 Benchmark]: Toolchain (without parser) took 245711.88 ms. Allocated memory was 145.2 MB in the beginning and 2.4 GB in the end (delta: 2.3 GB). Free memory was 100.6 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 783.1 MB. Max. memory is 7.1 GB. [2020-04-18 16:09:24,147 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 145.2 MB. Free memory is still 119.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-04-18 16:09:24,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1037.28 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 98.8 MB in the beginning and 131.8 MB in the end (delta: -33.0 MB). Peak memory consumption was 32.2 MB. Max. memory is 7.1 GB. [2020-04-18 16:09:24,148 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.05 ms. Allocated memory is still 202.4 MB. Free memory was 131.8 MB in the beginning and 128.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-04-18 16:09:24,149 INFO L168 Benchmark]: Boogie Preprocessor took 44.47 ms. Allocated memory is still 202.4 MB. Free memory was 128.8 MB in the beginning and 125.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-04-18 16:09:24,150 INFO L168 Benchmark]: RCFGBuilder took 826.18 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 125.8 MB in the beginning and 197.2 MB in the end (delta: -71.4 MB). Peak memory consumption was 43.5 MB. Max. memory is 7.1 GB. [2020-04-18 16:09:24,150 INFO L168 Benchmark]: TraceAbstraction took 243697.68 ms. Allocated memory was 235.4 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 195.5 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 787.8 MB. Max. memory is 7.1 GB. [2020-04-18 16:09:24,152 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 145.2 MB. Free memory is still 119.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1037.28 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 98.8 MB in the beginning and 131.8 MB in the end (delta: -33.0 MB). Peak memory consumption was 32.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 79.05 ms. Allocated memory is still 202.4 MB. Free memory was 131.8 MB in the beginning and 128.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.47 ms. Allocated memory is still 202.4 MB. Free memory was 128.8 MB in the beginning and 125.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 826.18 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 125.8 MB in the beginning and 197.2 MB in the end (delta: -71.4 MB). Peak memory consumption was 43.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 243697.68 ms. Allocated memory was 235.4 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 195.5 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 787.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: RuntimeException: de.uni_freiburg.informatik.ultimate.automata.AutomataOperationCanceledException: Timeout or canceled by user. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: RuntimeException: de.uni_freiburg.informatik.ultimate.automata.AutomataOperationCanceledException: Timeout or canceled by user.: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyModuleMcr.getOrConstruct(StrategyModuleMcr.java:128) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown