/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread/queue.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:25:59,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:25:59,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:25:59,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:25:59,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:25:59,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:25:59,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:25:59,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:25:59,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:25:59,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:25:59,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:25:59,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:25:59,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:25:59,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:25:59,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:25:59,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:25:59,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:25:59,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:25:59,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:25:59,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:25:59,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:25:59,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:25:59,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:25:59,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:25:59,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 12:25:59,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 12:25:59,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 12:25:59,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 12:25:59,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 12:25:59,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 12:25:59,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:25:59,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:25:59,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:25:59,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:25:59,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:25:59,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:25:59,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:25:59,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:25:59,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:25:59,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:25:59,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:25:59,502 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-16 12:25:59,524 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:25:59,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:25:59,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:25:59,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:25:59,525 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:25:59,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:25:59,526 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:25:59,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:25:59,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:25:59,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:25:59,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:25:59,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:25:59,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:25:59,527 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:25:59,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:25:59,527 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:25:59,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:25:59,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:25:59,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:25:59,528 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:25:59,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:25:59,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:25:59,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:25:59,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:25:59,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:25:59,529 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:25:59,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:25:59,530 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-16 12:25:59,530 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:25:59,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:25:59,530 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-16 12:25:59,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:25:59,816 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:25:59,819 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:25:59,821 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:25:59,821 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:25:59,822 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue.i [2020-10-16 12:25:59,895 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a31bf32c4/23d83ed5a69d49a6aa77fe1b721e683a/FLAG5aa432457 [2020-10-16 12:26:00,431 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:26:00,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread/queue.i [2020-10-16 12:26:00,453 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a31bf32c4/23d83ed5a69d49a6aa77fe1b721e683a/FLAG5aa432457 [2020-10-16 12:26:00,676 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a31bf32c4/23d83ed5a69d49a6aa77fe1b721e683a [2020-10-16 12:26:00,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:26:00,688 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:26:00,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:26:00,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:26:00,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:26:00,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:26:00" (1/1) ... [2020-10-16 12:26:00,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53ce24d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:26:00, skipping insertion in model container [2020-10-16 12:26:00,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:26:00" (1/1) ... [2020-10-16 12:26:00,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:26:00,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:26:01,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:26:01,382 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:26:01,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:26:01,588 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:26:01,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:26:01 WrapperNode [2020-10-16 12:26:01,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:26:01,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:26:01,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:26:01,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:26:01,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:26:01" (1/1) ... [2020-10-16 12:26:01,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:26:01" (1/1) ... [2020-10-16 12:26:01,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:26:01,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:26:01,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:26:01,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:26:01,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:26:01" (1/1) ... [2020-10-16 12:26:01,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:26:01" (1/1) ... [2020-10-16 12:26:01,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:26:01" (1/1) ... [2020-10-16 12:26:01,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:26:01" (1/1) ... [2020-10-16 12:26:01,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:26:01" (1/1) ... [2020-10-16 12:26:01,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:26:01" (1/1) ... [2020-10-16 12:26:01,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:26:01" (1/1) ... [2020-10-16 12:26:01,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:26:01,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:26:01,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:26:01,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:26:01,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:26:01" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 12:26:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-16 12:26:01,799 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-16 12:26:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-16 12:26:01,799 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-16 12:26:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:26:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:26:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 12:26:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:26:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-16 12:26:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 12:26:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:26:01,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:26:01,803 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 12:26:02,395 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:26:02,395 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-16 12:26:02,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:26:02 BoogieIcfgContainer [2020-10-16 12:26:02,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:26:02,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:26:02,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:26:02,402 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:26:02,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:26:00" (1/3) ... [2020-10-16 12:26:02,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f1c218c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:26:02, skipping insertion in model container [2020-10-16 12:26:02,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:26:01" (2/3) ... [2020-10-16 12:26:02,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f1c218c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:26:02, skipping insertion in model container [2020-10-16 12:26:02,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:26:02" (3/3) ... [2020-10-16 12:26:02,406 INFO L111 eAbstractionObserver]: Analyzing ICFG queue.i [2020-10-16 12:26:02,418 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:26:02,418 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:26:02,426 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-16 12:26:02,427 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:26:02,467 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,468 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,468 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,468 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,468 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,470 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,470 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,470 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,470 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,470 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,471 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,471 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,471 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,471 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,471 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,472 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,472 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,472 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,472 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,472 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,473 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,473 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,473 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,473 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,473 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,474 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,474 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,474 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,474 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,474 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,475 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,475 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,475 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,475 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,475 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,476 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,476 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,476 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,476 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,476 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,477 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,477 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,477 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,477 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,477 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,478 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,478 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,478 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,478 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,478 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,479 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,479 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,479 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,479 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,480 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,480 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,480 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,480 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,480 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,480 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,481 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,481 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,481 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,481 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,481 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,482 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,482 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,482 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,482 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,483 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,483 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,483 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,483 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,484 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,484 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,484 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,484 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,484 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,484 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,485 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,485 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,485 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,485 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,486 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,486 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,486 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,486 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,486 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,487 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,487 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,487 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,487 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,487 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,488 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,488 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,488 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,488 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,489 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,489 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,489 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,489 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,489 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,490 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,490 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,490 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,490 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,490 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,491 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,491 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,491 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,491 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,492 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,492 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,492 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,492 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,492 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,493 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,493 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,493 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,493 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,494 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,494 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,494 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,494 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,494 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,494 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,495 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,495 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,495 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,495 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,495 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,495 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,496 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,496 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,496 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,496 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,496 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,496 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,497 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,497 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,497 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,497 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,497 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,497 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,498 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,498 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,498 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,498 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,498 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,498 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,499 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,499 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,499 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,499 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,499 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,499 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,500 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,500 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,500 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,500 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,500 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,501 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,501 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,501 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,501 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,501 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,502 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,502 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,502 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,502 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,502 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,503 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,503 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,503 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,503 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,503 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,503 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,504 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,504 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,504 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,504 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,504 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,504 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,505 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,505 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,505 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,505 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,505 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,506 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,507 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,507 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,507 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,507 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,507 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,508 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,508 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,508 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,508 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,508 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,509 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,509 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,509 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,509 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,510 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,510 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,510 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,510 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,510 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,511 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,511 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,511 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,511 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,511 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,511 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,512 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,512 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,512 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,512 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,512 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,512 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,513 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,513 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,513 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,513 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,513 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,513 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,514 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,514 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,514 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,514 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,514 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,514 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,515 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,515 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,515 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,515 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,515 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,515 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,516 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,516 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,516 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,516 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,516 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,517 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,517 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,517 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,517 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,517 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,518 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,518 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,518 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,518 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,518 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,519 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,519 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,519 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,519 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,519 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,520 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,520 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,520 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,520 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,520 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,520 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,520 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,521 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,521 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,521 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,521 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,521 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,522 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,522 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,522 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,522 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,522 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,522 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,523 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,523 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,523 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,527 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,527 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,527 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,528 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,528 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,528 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,528 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,528 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,528 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,529 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,529 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,529 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,529 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,529 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,529 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,530 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,530 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,530 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,530 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,530 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,531 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,531 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,531 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,531 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,531 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,531 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,532 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,532 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,532 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,532 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,532 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,532 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,533 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,533 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,533 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,543 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,543 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,544 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,544 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,544 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,544 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,544 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,544 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,545 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,545 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,545 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,545 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,545 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,546 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,546 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,546 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,546 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,546 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,546 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,547 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,547 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,547 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:26:02,553 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-16 12:26:02,568 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 12:26:02,589 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:26:02,589 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:26:02,590 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:26:02,590 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 12:26:02,590 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:26:02,590 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:26:02,590 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:26:02,590 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:26:02,607 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:26:02,608 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 234 places, 244 transitions, 510 flow [2020-10-16 12:26:02,611 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 234 places, 244 transitions, 510 flow [2020-10-16 12:26:02,613 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 234 places, 244 transitions, 510 flow [2020-10-16 12:26:02,707 INFO L129 PetriNetUnfolder]: 16/244 cut-off events. [2020-10-16 12:26:02,707 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 12:26:02,720 INFO L80 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 244 events. 16/244 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 381 event pairs, 0 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 179. Up to 3 conditions per place. [2020-10-16 12:26:02,733 INFO L117 LiptonReduction]: Number of co-enabled transitions 14896 [2020-10-16 12:26:05,548 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-10-16 12:26:05,885 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-10-16 12:26:06,090 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-10-16 12:26:06,243 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-10-16 12:26:07,083 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 129 [2020-10-16 12:26:07,455 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-16 12:26:08,934 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 156 DAG size of output: 146 [2020-10-16 12:26:09,857 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-16 12:26:09,879 INFO L132 LiptonReduction]: Checked pairs total: 38259 [2020-10-16 12:26:09,879 INFO L134 LiptonReduction]: Total number of compositions: 196 [2020-10-16 12:26:09,886 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 71 places, 77 transitions, 176 flow [2020-10-16 12:26:09,951 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1462 states. [2020-10-16 12:26:09,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states. [2020-10-16 12:26:09,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-10-16 12:26:09,959 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:26:09,960 INFO L422 BasicCegarLoop]: trace histogram [1, 1] [2020-10-16 12:26:09,960 INFO L429 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]=== [2020-10-16 12:26:09,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:26:09,966 INFO L82 PathProgramCache]: Analyzing trace with hash 29906, now seen corresponding path program 1 times [2020-10-16 12:26:09,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:26:09,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630881217] [2020-10-16 12:26:09,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:26:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:26:10,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:26:10,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630881217] [2020-10-16 12:26:10,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:26:10,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:26:10,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1942788548] [2020-10-16 12:26:10,165 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:26:10,168 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:26:10,175 INFO L258 McrAutomatonBuilder]: Finished intersection with 3 states and 2 transitions. [2020-10-16 12:26:10,175 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:26:10,179 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:26:10,179 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-16 12:26:10,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:26:10,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-16 12:26:10,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 12:26:10,198 INFO L87 Difference]: Start difference. First operand 1462 states. Second operand 2 states. [2020-10-16 12:26:10,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:26:10,257 INFO L93 Difference]: Finished difference Result 1460 states and 3846 transitions. [2020-10-16 12:26:10,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-16 12:26:10,259 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 2 [2020-10-16 12:26:10,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:26:10,294 INFO L225 Difference]: With dead ends: 1460 [2020-10-16 12:26:10,294 INFO L226 Difference]: Without dead ends: 1332 [2020-10-16 12:26:10,296 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 12:26:10,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1332 states. [2020-10-16 12:26:10,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1332 to 1332. [2020-10-16 12:26:10,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1332 states. [2020-10-16 12:26:10,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 3537 transitions. [2020-10-16 12:26:10,439 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 3537 transitions. Word has length 2 [2020-10-16 12:26:10,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:26:10,440 INFO L481 AbstractCegarLoop]: Abstraction has 1332 states and 3537 transitions. [2020-10-16 12:26:10,440 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-16 12:26:10,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 3537 transitions. [2020-10-16 12:26:10,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 12:26:10,442 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:26:10,442 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:26:10,442 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:26:10,443 INFO L429 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]=== [2020-10-16 12:26:10,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:26:10,443 INFO L82 PathProgramCache]: Analyzing trace with hash -581480380, now seen corresponding path program 1 times [2020-10-16 12:26:10,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:26:10,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075379161] [2020-10-16 12:26:10,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:26:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:26:10,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:26:10,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075379161] [2020-10-16 12:26:10,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:26:10,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:26:10,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [576717692] [2020-10-16 12:26:10,564 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:26:10,566 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:26:10,568 INFO L258 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-10-16 12:26:10,568 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:26:10,569 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:26:10,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:26:10,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:26:10,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:26:10,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:26:10,571 INFO L87 Difference]: Start difference. First operand 1332 states and 3537 transitions. Second operand 3 states. [2020-10-16 12:26:10,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:26:10,620 INFO L93 Difference]: Finished difference Result 1332 states and 3492 transitions. [2020-10-16 12:26:10,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:26:10,620 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-16 12:26:10,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:26:10,633 INFO L225 Difference]: With dead ends: 1332 [2020-10-16 12:26:10,633 INFO L226 Difference]: Without dead ends: 1332 [2020-10-16 12:26:10,635 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:26:10,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1332 states. [2020-10-16 12:26:10,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1332 to 1332. [2020-10-16 12:26:10,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1332 states. [2020-10-16 12:26:10,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 3492 transitions. [2020-10-16 12:26:10,680 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 3492 transitions. Word has length 11 [2020-10-16 12:26:10,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:26:10,680 INFO L481 AbstractCegarLoop]: Abstraction has 1332 states and 3492 transitions. [2020-10-16 12:26:10,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:26:10,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 3492 transitions. [2020-10-16 12:26:10,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:26:10,688 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:26:10,688 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:26:10,689 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:26:10,689 INFO L429 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]=== [2020-10-16 12:26:10,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:26:10,689 INFO L82 PathProgramCache]: Analyzing trace with hash -452704046, now seen corresponding path program 1 times [2020-10-16 12:26:10,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:26:10,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540809792] [2020-10-16 12:26:10,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:26:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:26:11,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:26:11,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540809792] [2020-10-16 12:26:11,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:26:11,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:26:11,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1929287877] [2020-10-16 12:26:11,214 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:26:11,217 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:26:11,219 INFO L258 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2020-10-16 12:26:11,219 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:26:11,220 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:26:11,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:26:11,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:26:11,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:26:11,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:26:11,221 INFO L87 Difference]: Start difference. First operand 1332 states and 3492 transitions. Second operand 6 states. [2020-10-16 12:26:11,498 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-16 12:26:11,792 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-10-16 12:26:12,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:26:12,269 INFO L93 Difference]: Finished difference Result 1331 states and 3489 transitions. [2020-10-16 12:26:12,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:26:12,274 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-10-16 12:26:12,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:26:12,285 INFO L225 Difference]: With dead ends: 1331 [2020-10-16 12:26:12,286 INFO L226 Difference]: Without dead ends: 1331 [2020-10-16 12:26:12,286 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:26:12,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2020-10-16 12:26:12,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1331. [2020-10-16 12:26:12,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1331 states. [2020-10-16 12:26:12,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1331 states and 3489 transitions. [2020-10-16 12:26:12,325 INFO L78 Accepts]: Start accepts. Automaton has 1331 states and 3489 transitions. Word has length 13 [2020-10-16 12:26:12,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:26:12,326 INFO L481 AbstractCegarLoop]: Abstraction has 1331 states and 3489 transitions. [2020-10-16 12:26:12,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:26:12,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 3489 transitions. [2020-10-16 12:26:12,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:26:12,328 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:26:12,328 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:26:12,328 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:26:12,328 INFO L429 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]=== [2020-10-16 12:26:12,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:26:12,329 INFO L82 PathProgramCache]: Analyzing trace with hash -861545122, now seen corresponding path program 1 times [2020-10-16 12:26:12,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:26:12,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915300293] [2020-10-16 12:26:12,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:26:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:26:12,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:26:12,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915300293] [2020-10-16 12:26:12,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:26:12,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:26:12,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [103667926] [2020-10-16 12:26:12,884 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:26:12,887 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:26:12,889 INFO L258 McrAutomatonBuilder]: Finished intersection with 16 states and 16 transitions. [2020-10-16 12:26:12,889 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:26:12,921 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:26:12,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:26:12,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:26:12,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:26:12,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:26:12,922 INFO L87 Difference]: Start difference. First operand 1331 states and 3489 transitions. Second operand 7 states. [2020-10-16 12:26:13,137 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-16 12:26:13,436 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-10-16 12:26:14,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:26:14,434 INFO L93 Difference]: Finished difference Result 1582 states and 4118 transitions. [2020-10-16 12:26:14,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:26:14,435 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-10-16 12:26:14,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:26:14,445 INFO L225 Difference]: With dead ends: 1582 [2020-10-16 12:26:14,446 INFO L226 Difference]: Without dead ends: 1582 [2020-10-16 12:26:14,446 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:26:14,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2020-10-16 12:26:14,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1484. [2020-10-16 12:26:14,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1484 states. [2020-10-16 12:26:14,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 3872 transitions. [2020-10-16 12:26:14,497 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 3872 transitions. Word has length 14 [2020-10-16 12:26:14,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:26:14,498 INFO L481 AbstractCegarLoop]: Abstraction has 1484 states and 3872 transitions. [2020-10-16 12:26:14,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:26:14,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 3872 transitions. [2020-10-16 12:26:14,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:26:14,499 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:26:14,500 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:26:14,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:26:14,500 INFO L429 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]=== [2020-10-16 12:26:14,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:26:14,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1637095892, now seen corresponding path program 1 times [2020-10-16 12:26:14,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:26:14,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974401415] [2020-10-16 12:26:14,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:26:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:26:14,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:26:14,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974401415] [2020-10-16 12:26:14,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:26:14,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:26:14,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [191125027] [2020-10-16 12:26:14,563 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:26:14,565 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:26:14,567 INFO L258 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-10-16 12:26:14,567 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:26:14,568 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:26:14,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:26:14,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:26:14,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:26:14,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:26:14,569 INFO L87 Difference]: Start difference. First operand 1484 states and 3872 transitions. Second operand 3 states. [2020-10-16 12:26:14,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:26:14,585 INFO L93 Difference]: Finished difference Result 1310 states and 3348 transitions. [2020-10-16 12:26:14,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:26:14,585 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-10-16 12:26:14,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:26:14,593 INFO L225 Difference]: With dead ends: 1310 [2020-10-16 12:26:14,593 INFO L226 Difference]: Without dead ends: 1268 [2020-10-16 12:26:14,594 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:26:14,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2020-10-16 12:26:14,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 1268. [2020-10-16 12:26:14,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1268 states. [2020-10-16 12:26:14,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 3251 transitions. [2020-10-16 12:26:14,630 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 3251 transitions. Word has length 14 [2020-10-16 12:26:14,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:26:14,631 INFO L481 AbstractCegarLoop]: Abstraction has 1268 states and 3251 transitions. [2020-10-16 12:26:14,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:26:14,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 3251 transitions. [2020-10-16 12:26:14,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:26:14,632 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:26:14,633 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:26:14,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:26:14,633 INFO L429 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]=== [2020-10-16 12:26:14,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:26:14,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1434604234, now seen corresponding path program 2 times [2020-10-16 12:26:14,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:26:14,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697779101] [2020-10-16 12:26:14,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:26:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:26:15,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:26:15,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697779101] [2020-10-16 12:26:15,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:26:15,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:26:15,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1497724746] [2020-10-16 12:26:15,180 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:26:15,182 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:26:15,184 INFO L258 McrAutomatonBuilder]: Finished intersection with 16 states and 16 transitions. [2020-10-16 12:26:15,184 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:26:15,293 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [23706#(and (or (= (select (select |#memory_int| |~#queue~0.base|) (@diff (store (store (select |#memory_int| |~#queue~0.base|) (@diff (select |#memory_int| |~#queue~0.base|) ((as const (Array Int Int)) 0)) 0) (@diff (store (select |#memory_int| |~#queue~0.base|) (@diff (select |#memory_int| |~#queue~0.base|) ((as const (Array Int Int)) 0)) 0) ((as const (Array Int Int)) 0)) 0) ((as const (Array Int Int)) 0))) 0) (<= (@diff (store (store (select |#memory_int| |~#queue~0.base|) (@diff (select |#memory_int| |~#queue~0.base|) ((as const (Array Int Int)) 0)) 0) (@diff (store (select |#memory_int| |~#queue~0.base|) (@diff (select |#memory_int| |~#queue~0.base|) ((as const (Array Int Int)) 0)) 0) ((as const (Array Int Int)) 0)) 0) ((as const (Array Int Int)) 0)) 80) (<= 88 (@diff (store (store (select |#memory_int| |~#queue~0.base|) (@diff (select |#memory_int| |~#queue~0.base|) ((as const (Array Int Int)) 0)) 0) (@diff (store (select |#memory_int| |~#queue~0.base|) (@diff (select |#memory_int| |~#queue~0.base|) ((as const (Array Int Int)) 0)) 0) ((as const (Array Int Int)) 0)) 0) ((as const (Array Int Int)) 0)))) (or (= (select (select |#memory_int| |~#queue~0.base|) (@diff (select |#memory_int| |~#queue~0.base|) ((as const (Array Int Int)) 0))) 0) (<= 88 (@diff (select |#memory_int| |~#queue~0.base|) ((as const (Array Int Int)) 0))) (<= (@diff (select |#memory_int| |~#queue~0.base|) ((as const (Array Int Int)) 0)) 80)) (or (<= (@diff (store (select |#memory_int| |~#queue~0.base|) (@diff (select |#memory_int| |~#queue~0.base|) ((as const (Array Int Int)) 0)) 0) ((as const (Array Int Int)) 0)) 80) (= (select (select |#memory_int| |~#queue~0.base|) (@diff (store (select |#memory_int| |~#queue~0.base|) (@diff (select |#memory_int| |~#queue~0.base|) ((as const (Array Int Int)) 0)) 0) ((as const (Array Int Int)) 0))) 0) (<= 88 (@diff (store (select |#memory_int| |~#queue~0.base|) (@diff (select |#memory_int| |~#queue~0.base|) ((as const (Array Int Int)) 0)) 0) ((as const (Array Int Int)) 0)))) (= |~#queue~0.offset| 0) (= ((as const (Array Int Int)) 0) (store (store (store (select |#memory_int| |~#queue~0.base|) (@diff (select |#memory_int| |~#queue~0.base|) ((as const (Array Int Int)) 0)) 0) (@diff (store (select |#memory_int| |~#queue~0.base|) (@diff (select |#memory_int| |~#queue~0.base|) ((as const (Array Int Int)) 0)) 0) ((as const (Array Int Int)) 0)) 0) (@diff (store (store (select |#memory_int| |~#queue~0.base|) (@diff (select |#memory_int| |~#queue~0.base|) ((as const (Array Int Int)) 0)) 0) (@diff (store (select |#memory_int| |~#queue~0.base|) (@diff (select |#memory_int| |~#queue~0.base|) ((as const (Array Int Int)) 0)) 0) ((as const (Array Int Int)) 0)) 0) ((as const (Array Int Int)) 0)) 0)))] [2020-10-16 12:26:15,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 12:26:15,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:26:15,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 12:26:15,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:26:15,295 INFO L87 Difference]: Start difference. First operand 1268 states and 3251 transitions. Second operand 8 states. [2020-10-16 12:26:15,527 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-10-16 12:26:15,759 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-10-16 12:26:16,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:26:16,471 INFO L93 Difference]: Finished difference Result 1376 states and 3509 transitions. [2020-10-16 12:26:16,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:26:16,472 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2020-10-16 12:26:16,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:26:16,479 INFO L225 Difference]: With dead ends: 1376 [2020-10-16 12:26:16,480 INFO L226 Difference]: Without dead ends: 1376 [2020-10-16 12:26:16,480 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-16 12:26:16,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2020-10-16 12:26:16,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 1250. [2020-10-16 12:26:16,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-10-16 12:26:16,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 3208 transitions. [2020-10-16 12:26:16,511 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 3208 transitions. Word has length 14 [2020-10-16 12:26:16,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:26:16,511 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 3208 transitions. [2020-10-16 12:26:16,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 12:26:16,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 3208 transitions. [2020-10-16 12:26:16,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:26:16,512 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:26:16,512 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:26:16,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:26:16,513 INFO L429 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]=== [2020-10-16 12:26:16,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:26:16,513 INFO L82 PathProgramCache]: Analyzing trace with hash 648156940, now seen corresponding path program 3 times [2020-10-16 12:26:16,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:26:16,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551554357] [2020-10-16 12:26:16,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:26:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:26:16,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:26:16,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551554357] [2020-10-16 12:26:16,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:26:16,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:26:16,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [469537925] [2020-10-16 12:26:16,895 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:26:16,897 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:26:16,899 INFO L258 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-10-16 12:26:16,900 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:26:16,900 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:26:16,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:26:16,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:26:16,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:26:16,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:26:16,901 INFO L87 Difference]: Start difference. First operand 1250 states and 3208 transitions. Second operand 7 states. [2020-10-16 12:26:17,135 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-10-16 12:26:17,390 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-10-16 12:26:17,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:26:17,910 INFO L93 Difference]: Finished difference Result 1340 states and 3423 transitions. [2020-10-16 12:26:17,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:26:17,916 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-10-16 12:26:17,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:26:17,925 INFO L225 Difference]: With dead ends: 1340 [2020-10-16 12:26:17,925 INFO L226 Difference]: Without dead ends: 1340 [2020-10-16 12:26:17,926 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:26:17,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2020-10-16 12:26:17,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1232. [2020-10-16 12:26:17,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1232 states. [2020-10-16 12:26:17,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 3165 transitions. [2020-10-16 12:26:17,956 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 3165 transitions. Word has length 14 [2020-10-16 12:26:17,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:26:17,956 INFO L481 AbstractCegarLoop]: Abstraction has 1232 states and 3165 transitions. [2020-10-16 12:26:17,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:26:17,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 3165 transitions. [2020-10-16 12:26:17,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:26:17,958 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:26:17,958 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:26:17,958 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:26:17,958 INFO L429 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]=== [2020-10-16 12:26:17,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:26:17,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1729119648, now seen corresponding path program 4 times [2020-10-16 12:26:17,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:26:17,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797856075] [2020-10-16 12:26:17,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:26:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:26:18,208 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2020-10-16 12:26:18,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:26:18,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797856075] [2020-10-16 12:26:18,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:26:18,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:26:18,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [589118269] [2020-10-16 12:26:18,420 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:26:18,422 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:26:18,424 INFO L258 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-10-16 12:26:18,424 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:26:18,424 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:26:18,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:26:18,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:26:18,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:26:18,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:26:18,425 INFO L87 Difference]: Start difference. First operand 1232 states and 3165 transitions. Second operand 7 states. [2020-10-16 12:26:18,628 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-10-16 12:26:18,840 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-10-16 12:26:19,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:26:19,190 INFO L93 Difference]: Finished difference Result 1214 states and 3104 transitions. [2020-10-16 12:26:19,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:26:19,191 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-10-16 12:26:19,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:26:19,198 INFO L225 Difference]: With dead ends: 1214 [2020-10-16 12:26:19,198 INFO L226 Difference]: Without dead ends: 1214 [2020-10-16 12:26:19,199 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:26:19,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1214 states. [2020-10-16 12:26:19,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1214 to 1160. [2020-10-16 12:26:19,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1160 states. [2020-10-16 12:26:19,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 2975 transitions. [2020-10-16 12:26:19,225 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 2975 transitions. Word has length 14 [2020-10-16 12:26:19,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:26:19,225 INFO L481 AbstractCegarLoop]: Abstraction has 1160 states and 2975 transitions. [2020-10-16 12:26:19,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:26:19,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 2975 transitions. [2020-10-16 12:26:19,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:26:19,226 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:26:19,226 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:26:19,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 12:26:19,227 INFO L429 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]=== [2020-10-16 12:26:19,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:26:19,227 INFO L82 PathProgramCache]: Analyzing trace with hash -325823508, now seen corresponding path program 1 times [2020-10-16 12:26:19,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:26:19,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389231985] [2020-10-16 12:26:19,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:26:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:26:19,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:26:19,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389231985] [2020-10-16 12:26:19,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:26:19,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-16 12:26:19,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [987556088] [2020-10-16 12:26:19,547 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:26:19,549 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:26:19,551 INFO L258 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-10-16 12:26:19,551 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:26:19,551 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:26:19,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-16 12:26:19,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:26:19,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-16 12:26:19,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-16 12:26:19,552 INFO L87 Difference]: Start difference. First operand 1160 states and 2975 transitions. Second operand 10 states. [2020-10-16 12:26:20,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:26:20,015 INFO L93 Difference]: Finished difference Result 1158 states and 2971 transitions. [2020-10-16 12:26:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-16 12:26:20,016 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 14 [2020-10-16 12:26:20,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:26:20,020 INFO L225 Difference]: With dead ends: 1158 [2020-10-16 12:26:20,021 INFO L226 Difference]: Without dead ends: 1158 [2020-10-16 12:26:20,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2020-10-16 12:26:20,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2020-10-16 12:26:20,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1158. [2020-10-16 12:26:20,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1158 states. [2020-10-16 12:26:20,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 2971 transitions. [2020-10-16 12:26:20,045 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 2971 transitions. Word has length 14 [2020-10-16 12:26:20,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:26:20,045 INFO L481 AbstractCegarLoop]: Abstraction has 1158 states and 2971 transitions. [2020-10-16 12:26:20,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-16 12:26:20,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 2971 transitions. [2020-10-16 12:26:20,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-16 12:26:20,046 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:26:20,047 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:26:20,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 12:26:20,047 INFO L429 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]=== [2020-10-16 12:26:20,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:26:20,047 INFO L82 PathProgramCache]: Analyzing trace with hash -114994976, now seen corresponding path program 1 times [2020-10-16 12:26:20,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:26:20,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224701696] [2020-10-16 12:26:20,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:26:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:26:20,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:26:20,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224701696] [2020-10-16 12:26:20,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:26:20,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 12:26:20,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [609435316] [2020-10-16 12:26:20,401 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:26:20,403 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:26:20,406 INFO L258 McrAutomatonBuilder]: Finished intersection with 17 states and 17 transitions. [2020-10-16 12:26:20,406 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:26:20,409 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:26:20,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-16 12:26:20,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:26:20,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-16 12:26:20,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-16 12:26:20,410 INFO L87 Difference]: Start difference. First operand 1158 states and 2971 transitions. Second operand 11 states. [2020-10-16 12:26:21,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:26:21,051 INFO L93 Difference]: Finished difference Result 1303 states and 3332 transitions. [2020-10-16 12:26:21,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-16 12:26:21,052 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-10-16 12:26:21,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:26:21,059 INFO L225 Difference]: With dead ends: 1303 [2020-10-16 12:26:21,059 INFO L226 Difference]: Without dead ends: 1248 [2020-10-16 12:26:21,060 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2020-10-16 12:26:21,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2020-10-16 12:26:21,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1157. [2020-10-16 12:26:21,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1157 states. [2020-10-16 12:26:21,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 2979 transitions. [2020-10-16 12:26:21,085 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 2979 transitions. Word has length 15 [2020-10-16 12:26:21,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:26:21,086 INFO L481 AbstractCegarLoop]: Abstraction has 1157 states and 2979 transitions. [2020-10-16 12:26:21,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-16 12:26:21,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 2979 transitions. [2020-10-16 12:26:21,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-16 12:26:21,086 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:26:21,087 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:26:21,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 12:26:21,087 INFO L429 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]=== [2020-10-16 12:26:21,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:26:21,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1600716832, now seen corresponding path program 2 times [2020-10-16 12:26:21,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:26:21,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069833730] [2020-10-16 12:26:21,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:26:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:26:21,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:26:21,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069833730] [2020-10-16 12:26:21,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:26:21,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 12:26:21,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1251876050] [2020-10-16 12:26:21,394 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:26:21,395 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:26:21,398 INFO L258 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2020-10-16 12:26:21,398 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:26:21,398 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:26:21,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-16 12:26:21,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:26:21,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-16 12:26:21,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-16 12:26:21,399 INFO L87 Difference]: Start difference. First operand 1157 states and 2979 transitions. Second operand 11 states. [2020-10-16 12:26:22,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:26:22,014 INFO L93 Difference]: Finished difference Result 1344 states and 3457 transitions. [2020-10-16 12:26:22,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-16 12:26:22,015 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-10-16 12:26:22,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:26:22,022 INFO L225 Difference]: With dead ends: 1344 [2020-10-16 12:26:22,023 INFO L226 Difference]: Without dead ends: 1329 [2020-10-16 12:26:22,023 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-10-16 12:26:22,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2020-10-16 12:26:22,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 1139. [2020-10-16 12:26:22,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1139 states. [2020-10-16 12:26:22,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 2936 transitions. [2020-10-16 12:26:22,050 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 2936 transitions. Word has length 15 [2020-10-16 12:26:22,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:26:22,050 INFO L481 AbstractCegarLoop]: Abstraction has 1139 states and 2936 transitions. [2020-10-16 12:26:22,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-16 12:26:22,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 2936 transitions. [2020-10-16 12:26:22,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-16 12:26:22,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:26:22,051 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:26:22,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 12:26:22,051 INFO L429 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]=== [2020-10-16 12:26:22,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:26:22,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1512237562, now seen corresponding path program 3 times [2020-10-16 12:26:22,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:26:22,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763155288] [2020-10-16 12:26:22,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:26:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:26:22,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:26:22,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763155288] [2020-10-16 12:26:22,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:26:22,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 12:26:22,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [353868291] [2020-10-16 12:26:22,365 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:26:22,367 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:26:22,369 INFO L258 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2020-10-16 12:26:22,369 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:26:22,370 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:26:22,370 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-16 12:26:22,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:26:22,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-16 12:26:22,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-16 12:26:22,371 INFO L87 Difference]: Start difference. First operand 1139 states and 2936 transitions. Second operand 11 states. [2020-10-16 12:26:23,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:26:23,031 INFO L93 Difference]: Finished difference Result 1217 states and 3134 transitions. [2020-10-16 12:26:23,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-16 12:26:23,031 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-10-16 12:26:23,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:26:23,038 INFO L225 Difference]: With dead ends: 1217 [2020-10-16 12:26:23,038 INFO L226 Difference]: Without dead ends: 1207 [2020-10-16 12:26:23,039 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-10-16 12:26:23,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2020-10-16 12:26:23,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1121. [2020-10-16 12:26:23,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1121 states. [2020-10-16 12:26:23,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 2893 transitions. [2020-10-16 12:26:23,060 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 2893 transitions. Word has length 15 [2020-10-16 12:26:23,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:26:23,061 INFO L481 AbstractCegarLoop]: Abstraction has 1121 states and 2893 transitions. [2020-10-16 12:26:23,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-16 12:26:23,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2893 transitions. [2020-10-16 12:26:23,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-16 12:26:23,061 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:26:23,062 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:26:23,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 12:26:23,062 INFO L429 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]=== [2020-10-16 12:26:23,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:26:23,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1510680742, now seen corresponding path program 4 times [2020-10-16 12:26:23,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:26:23,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470827968] [2020-10-16 12:26:23,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:26:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:26:27,487 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 33 [2020-10-16 12:26:27,835 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-10-16 12:26:28,027 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 42 [2020-10-16 12:26:28,445 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 51 [2020-10-16 12:26:29,278 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 53 [2020-10-16 12:26:29,948 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 54 [2020-10-16 12:26:30,566 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 55 [2020-10-16 12:26:31,305 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 54 [2020-10-16 12:26:31,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:26:31,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470827968] [2020-10-16 12:26:31,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:26:31,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-16 12:26:31,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1064300674] [2020-10-16 12:26:31,486 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:26:31,488 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:26:31,491 INFO L258 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2020-10-16 12:26:31,491 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:26:31,491 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:26:31,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 12:26:31,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:26:31,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 12:26:31,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-16 12:26:31,492 INFO L87 Difference]: Start difference. First operand 1121 states and 2893 transitions. Second operand 12 states. [2020-10-16 12:26:32,070 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 43 [2020-10-16 12:26:34,284 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2020-10-16 12:26:38,370 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 103 [2020-10-16 12:26:43,836 WARN L193 SmtUtils]: Spent 3.17 s on a formula simplification that was a NOOP. DAG size: 115 [2020-10-16 12:26:50,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:26:50,446 INFO L93 Difference]: Finished difference Result 1145 states and 2967 transitions. [2020-10-16 12:26:50,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-16 12:26:50,447 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 15 [2020-10-16 12:26:50,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:26:50,453 INFO L225 Difference]: With dead ends: 1145 [2020-10-16 12:26:50,453 INFO L226 Difference]: Without dead ends: 1140 [2020-10-16 12:26:50,453 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2020-10-16 12:26:50,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2020-10-16 12:26:50,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 1067. [2020-10-16 12:26:50,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1067 states. [2020-10-16 12:26:50,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 2769 transitions. [2020-10-16 12:26:50,474 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 2769 transitions. Word has length 15 [2020-10-16 12:26:50,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:26:50,474 INFO L481 AbstractCegarLoop]: Abstraction has 1067 states and 2769 transitions. [2020-10-16 12:26:50,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 12:26:50,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 2769 transitions. [2020-10-16 12:26:50,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-16 12:26:50,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:26:50,476 INFO L422 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] [2020-10-16 12:26:50,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 12:26:50,476 INFO L429 AbstractCegarLoop]: === Iteration 14 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:26:50,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:26:50,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1412101930, now seen corresponding path program 1 times [2020-10-16 12:26:50,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:26:50,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671245449] [2020-10-16 12:26:50,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:26:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:26:50,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:26:50,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671245449] [2020-10-16 12:26:50,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:26:50,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:26:50,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1401390155] [2020-10-16 12:26:50,514 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:26:50,524 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:26:50,568 INFO L258 McrAutomatonBuilder]: Finished intersection with 95 states and 151 transitions. [2020-10-16 12:26:50,568 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:26:50,701 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:26:50,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:26:50,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:26:50,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:26:50,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:26:50,702 INFO L87 Difference]: Start difference. First operand 1067 states and 2769 transitions. Second operand 3 states. [2020-10-16 12:26:50,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:26:50,734 INFO L93 Difference]: Finished difference Result 498 states and 1104 transitions. [2020-10-16 12:26:50,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:26:50,735 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-10-16 12:26:50,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:26:50,737 INFO L225 Difference]: With dead ends: 498 [2020-10-16 12:26:50,737 INFO L226 Difference]: Without dead ends: 492 [2020-10-16 12:26:50,738 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:26:50,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2020-10-16 12:26:50,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 404. [2020-10-16 12:26:50,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2020-10-16 12:26:50,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 898 transitions. [2020-10-16 12:26:50,746 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 898 transitions. Word has length 37 [2020-10-16 12:26:50,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:26:50,746 INFO L481 AbstractCegarLoop]: Abstraction has 404 states and 898 transitions. [2020-10-16 12:26:50,746 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:26:50,747 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 898 transitions. [2020-10-16 12:26:50,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-16 12:26:50,748 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:26:50,748 INFO L422 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] [2020-10-16 12:26:50,748 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-16 12:26:50,748 INFO L429 AbstractCegarLoop]: === Iteration 15 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:26:50,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:26:50,749 INFO L82 PathProgramCache]: Analyzing trace with hash 373970430, now seen corresponding path program 1 times [2020-10-16 12:26:50,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:26:50,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296159008] [2020-10-16 12:26:50,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:26:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:26:51,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:26:51,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296159008] [2020-10-16 12:26:51,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:26:51,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 12:26:51,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [640288104] [2020-10-16 12:26:51,171 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:26:51,179 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:26:51,244 INFO L258 McrAutomatonBuilder]: Finished intersection with 88 states and 136 transitions. [2020-10-16 12:26:51,244 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:26:51,447 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:26:51,447 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-16 12:26:51,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:26:51,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-16 12:26:51,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-10-16 12:26:51,448 INFO L87 Difference]: Start difference. First operand 404 states and 898 transitions. Second operand 13 states. [2020-10-16 12:26:52,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:26:52,188 INFO L93 Difference]: Finished difference Result 484 states and 1073 transitions. [2020-10-16 12:26:52,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-16 12:26:52,189 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 38 [2020-10-16 12:26:52,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:26:52,191 INFO L225 Difference]: With dead ends: 484 [2020-10-16 12:26:52,191 INFO L226 Difference]: Without dead ends: 484 [2020-10-16 12:26:52,192 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 34 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=119, Invalid=301, Unknown=0, NotChecked=0, Total=420 [2020-10-16 12:26:52,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2020-10-16 12:26:52,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 468. [2020-10-16 12:26:52,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-10-16 12:26:52,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 1039 transitions. [2020-10-16 12:26:52,201 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 1039 transitions. Word has length 38 [2020-10-16 12:26:52,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:26:52,201 INFO L481 AbstractCegarLoop]: Abstraction has 468 states and 1039 transitions. [2020-10-16 12:26:52,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-16 12:26:52,202 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 1039 transitions. [2020-10-16 12:26:52,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-16 12:26:52,203 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:26:52,203 INFO L422 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] [2020-10-16 12:26:52,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-16 12:26:52,203 INFO L429 AbstractCegarLoop]: === Iteration 16 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:26:52,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:26:52,204 INFO L82 PathProgramCache]: Analyzing trace with hash 2024238984, now seen corresponding path program 1 times [2020-10-16 12:26:52,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:26:52,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984214144] [2020-10-16 12:26:52,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:26:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:26:53,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:26:53,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984214144] [2020-10-16 12:26:53,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:26:53,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-16 12:26:53,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1976846660] [2020-10-16 12:26:53,017 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:26:53,028 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:26:53,067 INFO L258 McrAutomatonBuilder]: Finished intersection with 91 states and 141 transitions. [2020-10-16 12:26:53,068 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:26:53,400 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:26:53,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-16 12:26:53,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:26:53,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-16 12:26:53,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2020-10-16 12:26:53,401 INFO L87 Difference]: Start difference. First operand 468 states and 1039 transitions. Second operand 18 states. [2020-10-16 12:26:54,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:26:54,646 INFO L93 Difference]: Finished difference Result 672 states and 1493 transitions. [2020-10-16 12:26:54,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-16 12:26:54,647 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 39 [2020-10-16 12:26:54,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:26:54,650 INFO L225 Difference]: With dead ends: 672 [2020-10-16 12:26:54,651 INFO L226 Difference]: Without dead ends: 663 [2020-10-16 12:26:54,651 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 27 SyntacticMatches, 12 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=179, Invalid=577, Unknown=0, NotChecked=0, Total=756 [2020-10-16 12:26:54,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2020-10-16 12:26:54,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 629. [2020-10-16 12:26:54,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629 states. [2020-10-16 12:26:54,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 1402 transitions. [2020-10-16 12:26:54,663 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 1402 transitions. Word has length 39 [2020-10-16 12:26:54,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:26:54,664 INFO L481 AbstractCegarLoop]: Abstraction has 629 states and 1402 transitions. [2020-10-16 12:26:54,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-16 12:26:54,664 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 1402 transitions. [2020-10-16 12:26:54,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-16 12:26:54,665 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:26:54,665 INFO L422 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] [2020-10-16 12:26:54,665 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-16 12:26:54,665 INFO L429 AbstractCegarLoop]: === Iteration 17 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:26:54,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:26:54,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1671341294, now seen corresponding path program 1 times [2020-10-16 12:26:54,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:26:54,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323655159] [2020-10-16 12:26:54,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:26:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2020-10-16 12:30:10,134 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 12:30:10,141 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 12:30:10,143 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 12:30:10,144 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 12:30:10,146 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 12:30:10,147 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 12:30:10,149 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 12:30:10,150 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 12:30:10,151 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 12:30:10,157 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 12:30:10,157 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 12:30:10,158 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 12:30:10,159 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 12:30:10,159 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 12:30:10,160 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 12:30:10,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-16 12:30:10,168 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-16 12:30:10,172 WARN L235 ceAbstractionStarter]: Timeout [2020-10-16 12:30:10,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:30:10 BasicIcfg [2020-10-16 12:30:10,172 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:30:10,175 INFO L168 Benchmark]: Toolchain (without parser) took 249486.22 ms. Allocated memory was 147.3 MB in the beginning and 3.3 GB in the end (delta: 3.1 GB). Free memory was 101.4 MB in the beginning and 2.5 GB in the end (delta: -2.4 GB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. [2020-10-16 12:30:10,179 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 147.3 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 12:30:10,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 899.04 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 101.0 MB in the beginning and 136.0 MB in the end (delta: -35.0 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2020-10-16 12:30:10,180 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.95 ms. Allocated memory is still 204.5 MB. Free memory was 135.3 MB in the beginning and 132.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-16 12:30:10,180 INFO L168 Benchmark]: Boogie Preprocessor took 75.08 ms. Allocated memory is still 204.5 MB. Free memory was 132.6 MB in the beginning and 129.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-16 12:30:10,181 INFO L168 Benchmark]: RCFGBuilder took 662.20 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 129.8 MB in the beginning and 198.7 MB in the end (delta: -68.9 MB). Peak memory consumption was 44.7 MB. Max. memory is 7.1 GB. [2020-10-16 12:30:10,185 INFO L168 Benchmark]: TraceAbstraction took 247773.55 ms. Allocated memory was 237.0 MB in the beginning and 3.3 GB in the end (delta: 3.0 GB). Free memory was 198.7 MB in the beginning and 2.5 GB in the end (delta: -2.3 GB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. [2020-10-16 12:30:10,194 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 147.3 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 899.04 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 101.0 MB in the beginning and 136.0 MB in the end (delta: -35.0 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 68.95 ms. Allocated memory is still 204.5 MB. Free memory was 135.3 MB in the beginning and 132.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 75.08 ms. Allocated memory is still 204.5 MB. Free memory was 132.6 MB in the beginning and 129.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 662.20 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 129.8 MB in the beginning and 198.7 MB in the end (delta: -68.9 MB). Peak memory consumption was 44.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 247773.55 ms. Allocated memory was 237.0 MB in the beginning and 3.3 GB in the end (delta: 3.0 GB). Free memory was 198.7 MB in the beginning and 2.5 GB in the end (delta: -2.3 GB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 8006 VarBasedMoverChecksPositive, 128 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 570 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 7.2s, 234 PlacesBefore, 71 PlacesAfterwards, 244 TransitionsBefore, 77 TransitionsAfterwards, 14896 CoEnabledTransitionPairs, 7 FixpointIterations, 61 TrivialSequentialCompositions, 110 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 20 ConcurrentYvCompositions, 4 ChoiceCompositions, 196 TotalNumberOfCompositions, 38259 MoverChecksTotal - TimeoutResultAtElement [Line: 1040]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1040). Cancelled while BasicCegarLoop was analyzing trace of length 41 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 39 interpolants. - TimeoutResultAtElement [Line: 1013]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1013). Cancelled while BasicCegarLoop was analyzing trace of length 41 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 39 interpolants. - TimeoutResultAtElement [Line: 1024]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1024). Cancelled while BasicCegarLoop was analyzing trace of length 41 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 39 interpolants. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 228 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 247.5s, OverallIterations: 17, TraceHistogramMax: 1, AutomataDifference: 29.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.3s, HoareTripleCheckerStatistics: 1104 SDtfs, 1076 SDslu, 3048 SDs, 0 SdLazy, 3998 SolverSat, 168 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 317 GetRequests, 141 SyntacticMatches, 23 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 557 ImplicationChecksByTransitivity, 18.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1484occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 16 MinimizatonAttempts, 964 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 13.0s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 268 ConstructedInterpolants, 0 QuantifiedInterpolants, 245590 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown