/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf -i ../../../trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 17:38:11,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 17:38:11,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 17:38:11,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 17:38:11,571 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 17:38:11,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 17:38:11,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 17:38:11,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 17:38:11,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 17:38:11,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 17:38:11,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 17:38:11,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 17:38:11,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 17:38:11,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 17:38:11,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 17:38:11,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 17:38:11,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 17:38:11,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 17:38:11,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 17:38:11,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 17:38:11,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 17:38:11,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 17:38:11,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 17:38:11,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 17:38:11,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-11 17:38:11,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-11 17:38:11,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-11 17:38:11,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-11 17:38:11,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-11 17:38:11,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-11 17:38:11,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 17:38:11,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 17:38:11,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 17:38:11,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 17:38:11,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 17:38:11,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 17:38:11,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 17:38:11,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 17:38:11,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 17:38:11,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 17:38:11,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 17:38:11,638 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf [2020-10-11 17:38:11,659 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 17:38:11,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 17:38:11,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 17:38:11,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 17:38:11,661 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 17:38:11,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 17:38:11,662 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 17:38:11,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 17:38:11,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 17:38:11,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 17:38:11,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 17:38:11,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 17:38:11,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 17:38:11,663 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 17:38:11,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 17:38:11,663 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 17:38:11,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 17:38:11,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 17:38:11,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 17:38:11,664 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 17:38:11,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 17:38:11,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 17:38:11,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 17:38:11,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 17:38:11,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 17:38:11,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 17:38:11,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 17:38:11,667 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-11 17:38:11,667 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-11 17:38:11,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 17:38:11,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 17:38:11,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 17:38:11,997 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 17:38:11,999 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 17:38:11,999 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 17:38:12,000 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i [2020-10-11 17:38:12,063 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbaba3043/1260b51102c34541a45530432bb5e8ed/FLAGc3d248fa9 [2020-10-11 17:38:12,549 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 17:38:12,550 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i [2020-10-11 17:38:12,566 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbaba3043/1260b51102c34541a45530432bb5e8ed/FLAGc3d248fa9 [2020-10-11 17:38:12,891 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbaba3043/1260b51102c34541a45530432bb5e8ed [2020-10-11 17:38:12,899 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 17:38:12,900 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 17:38:12,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 17:38:12,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 17:38:12,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 17:38:12,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:38:12" (1/1) ... [2020-10-11 17:38:12,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@414d9afd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:38:12, skipping insertion in model container [2020-10-11 17:38:12,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:38:12" (1/1) ... [2020-10-11 17:38:12,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 17:38:12,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 17:38:13,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 17:38:13,432 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 17:38:13,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 17:38:13,550 INFO L208 MainTranslator]: Completed translation [2020-10-11 17:38:13,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:38:13 WrapperNode [2020-10-11 17:38:13,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 17:38:13,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 17:38:13,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 17:38:13,552 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 17:38:13,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:38:13" (1/1) ... [2020-10-11 17:38:13,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:38:13" (1/1) ... [2020-10-11 17:38:13,606 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 17:38:13,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 17:38:13,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 17:38:13,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 17:38:13,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:38:13" (1/1) ... [2020-10-11 17:38:13,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:38:13" (1/1) ... [2020-10-11 17:38:13,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:38:13" (1/1) ... [2020-10-11 17:38:13,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:38:13" (1/1) ... [2020-10-11 17:38:13,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:38:13" (1/1) ... [2020-10-11 17:38:13,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:38:13" (1/1) ... [2020-10-11 17:38:13,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:38:13" (1/1) ... [2020-10-11 17:38:13,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 17:38:13,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 17:38:13,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 17:38:13,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 17:38:13,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:38:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 17:38:13,727 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-10-11 17:38:13,727 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-10-11 17:38:13,727 INFO L130 BoogieDeclarations]: Found specification of procedure thr3 [2020-10-11 17:38:13,728 INFO L138 BoogieDeclarations]: Found implementation of procedure thr3 [2020-10-11 17:38:13,728 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-11 17:38:13,728 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-11 17:38:13,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 17:38:13,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 17:38:13,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 17:38:13,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 17:38:13,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 17:38:13,731 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 17:38:14,361 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 17:38:14,361 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-11 17:38:14,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:38:14 BoogieIcfgContainer [2020-10-11 17:38:14,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 17:38:14,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 17:38:14,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 17:38:14,370 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 17:38:14,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 05:38:12" (1/3) ... [2020-10-11 17:38:14,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fd5f060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:38:14, skipping insertion in model container [2020-10-11 17:38:14,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:38:13" (2/3) ... [2020-10-11 17:38:14,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fd5f060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:38:14, skipping insertion in model container [2020-10-11 17:38:14,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:38:14" (3/3) ... [2020-10-11 17:38:14,374 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_pthread5_vs.i [2020-10-11 17:38:14,386 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 17:38:14,394 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-11 17:38:14,395 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 17:38:14,425 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,426 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,426 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,426 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,427 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,427 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,427 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,427 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,428 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,428 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,429 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,429 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,430 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,430 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,430 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,430 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,431 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,431 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,431 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,431 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,432 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,432 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,432 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,433 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,433 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,433 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,434 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,434 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,434 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,435 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,435 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,435 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,435 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,436 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,436 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,436 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,436 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,437 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,437 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,441 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,441 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,441 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,442 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,442 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,442 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,442 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,455 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,455 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,455 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,455 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,456 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,456 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:14,474 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-11 17:38:14,495 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 17:38:14,496 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-11 17:38:14,496 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 17:38:14,496 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 17:38:14,496 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 17:38:14,496 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 17:38:14,497 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 17:38:14,497 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 17:38:14,511 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 74 places, 72 transitions, 159 flow [2020-10-11 17:38:14,552 INFO L129 PetriNetUnfolder]: 8/78 cut-off events. [2020-10-11 17:38:14,552 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 17:38:14,558 INFO L80 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 78 events. 8/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 155 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 70. Up to 4 conditions per place. [2020-10-11 17:38:14,559 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 72 transitions, 159 flow [2020-10-11 17:38:14,565 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 72 places, 70 transitions, 151 flow [2020-10-11 17:38:14,577 INFO L129 PetriNetUnfolder]: 4/42 cut-off events. [2020-10-11 17:38:14,578 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 17:38:14,578 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 17:38:14,579 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 17:38:14,580 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 17:38:14,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 17:38:14,586 INFO L82 PathProgramCache]: Analyzing trace with hash 289774497, now seen corresponding path program 1 times [2020-10-11 17:38:14,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 17:38:14,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813686989] [2020-10-11 17:38:14,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 17:38:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 17:38:14,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 17:38:14,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813686989] [2020-10-11 17:38:14,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 17:38:14,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 17:38:14,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335193368] [2020-10-11 17:38:14,883 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 17:38:14,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 17:38:14,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 17:38:14,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 17:38:14,955 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 72 [2020-10-11 17:38:14,957 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 70 transitions, 151 flow. Second operand 4 states. [2020-10-11 17:38:14,958 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 17:38:14,958 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 72 [2020-10-11 17:38:14,960 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 17:38:15,128 INFO L129 PetriNetUnfolder]: 58/335 cut-off events. [2020-10-11 17:38:15,129 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 17:38:15,134 INFO L80 FinitePrefix]: Finished finitePrefix Result has 460 conditions, 335 events. 58/335 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2018 event pairs, 8 based on Foata normal form. 126/422 useless extension candidates. Maximal degree in co-relation 438. Up to 41 conditions per place. [2020-10-11 17:38:15,139 INFO L132 encePairwiseOnDemand]: 57/72 looper letters, 10 selfloop transitions, 12 changer transitions 0/71 dead transitions. [2020-10-11 17:38:15,140 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 71 transitions, 197 flow [2020-10-11 17:38:15,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 17:38:15,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-11 17:38:15,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 335 transitions. [2020-10-11 17:38:15,167 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9305555555555556 [2020-10-11 17:38:15,168 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 335 transitions. [2020-10-11 17:38:15,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 335 transitions. [2020-10-11 17:38:15,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 17:38:15,180 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 335 transitions. [2020-10-11 17:38:15,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-11 17:38:15,202 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-11 17:38:15,202 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-11 17:38:15,204 INFO L185 Difference]: Start difference. First operand has 72 places, 70 transitions, 151 flow. Second operand 5 states and 335 transitions. [2020-10-11 17:38:15,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 71 transitions, 197 flow [2020-10-11 17:38:15,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 71 transitions, 195 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-11 17:38:15,215 INFO L241 Difference]: Finished difference. Result has 70 places, 67 transitions, 215 flow [2020-10-11 17:38:15,218 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=125, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=215, PETRI_PLACES=70, PETRI_TRANSITIONS=67} [2020-10-11 17:38:15,219 INFO L341 CegarLoopForPetriNet]: 72 programPoint places, -2 predicate places. [2020-10-11 17:38:15,219 INFO L481 AbstractCegarLoop]: Abstraction has has 70 places, 67 transitions, 215 flow [2020-10-11 17:38:15,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 17:38:15,219 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 17:38:15,219 INFO L255 CegarLoopForPetriNet]: 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] [2020-10-11 17:38:15,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 17:38:15,220 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 17:38:15,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 17:38:15,220 INFO L82 PathProgramCache]: Analyzing trace with hash -186107010, now seen corresponding path program 1 times [2020-10-11 17:38:15,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 17:38:15,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580280283] [2020-10-11 17:38:15,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 17:38:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 17:38:15,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 17:38:15,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580280283] [2020-10-11 17:38:15,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 17:38:15,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 17:38:15,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535705626] [2020-10-11 17:38:15,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 17:38:15,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 17:38:15,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 17:38:15,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 17:38:15,533 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 72 [2020-10-11 17:38:15,534 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 67 transitions, 215 flow. Second operand 6 states. [2020-10-11 17:38:15,534 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 17:38:15,534 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 72 [2020-10-11 17:38:15,534 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 17:38:15,711 INFO L129 PetriNetUnfolder]: 31/264 cut-off events. [2020-10-11 17:38:15,711 INFO L130 PetriNetUnfolder]: For 55/55 co-relation queries the response was YES. [2020-10-11 17:38:15,713 INFO L80 FinitePrefix]: Finished finitePrefix Result has 497 conditions, 264 events. 31/264 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1310 event pairs, 0 based on Foata normal form. 88/338 useless extension candidates. Maximal degree in co-relation 468. Up to 30 conditions per place. [2020-10-11 17:38:15,714 INFO L132 encePairwiseOnDemand]: 57/72 looper letters, 10 selfloop transitions, 34 changer transitions 0/84 dead transitions. [2020-10-11 17:38:15,715 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 84 transitions, 335 flow [2020-10-11 17:38:15,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-11 17:38:15,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-11 17:38:15,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 538 transitions. [2020-10-11 17:38:15,718 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7472222222222222 [2020-10-11 17:38:15,718 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 538 transitions. [2020-10-11 17:38:15,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 538 transitions. [2020-10-11 17:38:15,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 17:38:15,719 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 538 transitions. [2020-10-11 17:38:15,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-11 17:38:15,723 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 11 states. [2020-10-11 17:38:15,723 INFO L81 ComplementDD]: Finished complementDD. Result 11 states. [2020-10-11 17:38:15,723 INFO L185 Difference]: Start difference. First operand has 70 places, 67 transitions, 215 flow. Second operand 10 states and 538 transitions. [2020-10-11 17:38:15,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 84 transitions, 335 flow [2020-10-11 17:38:15,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 84 transitions, 321 flow, removed 7 selfloop flow, removed 0 redundant places. [2020-10-11 17:38:15,730 INFO L241 Difference]: Finished difference. Result has 81 places, 83 transitions, 324 flow [2020-10-11 17:38:15,731 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=324, PETRI_PLACES=81, PETRI_TRANSITIONS=83} [2020-10-11 17:38:15,731 INFO L341 CegarLoopForPetriNet]: 72 programPoint places, 9 predicate places. [2020-10-11 17:38:15,732 INFO L481 AbstractCegarLoop]: Abstraction has has 81 places, 83 transitions, 324 flow [2020-10-11 17:38:15,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 17:38:15,732 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 17:38:15,732 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 17:38:15,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 17:38:15,733 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 17:38:15,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 17:38:15,733 INFO L82 PathProgramCache]: Analyzing trace with hash -2080402139, now seen corresponding path program 1 times [2020-10-11 17:38:15,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 17:38:15,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885617929] [2020-10-11 17:38:15,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 17:38:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 17:38:15,753 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 17:38:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 17:38:15,764 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 17:38:15,791 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-11 17:38:15,791 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-11 17:38:15,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 17:38:15,792 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-11 17:38:15,793 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-11 17:38:15,805 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,805 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,806 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,806 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,806 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,806 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,806 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,807 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,807 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,807 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,808 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,808 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,808 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,808 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,808 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,809 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,809 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,809 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,809 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,810 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,810 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,810 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,811 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,811 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,811 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,811 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,811 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,812 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,812 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,812 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,812 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,812 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,813 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,813 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,813 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,813 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,813 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,814 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,814 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,814 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,815 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,815 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,815 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,815 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,815 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,815 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,816 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,816 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,816 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,816 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,816 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,817 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,817 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,817 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,817 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,817 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,818 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,818 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,818 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,818 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,819 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,819 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,819 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,819 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,820 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,820 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,820 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,820 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,820 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,821 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,821 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,821 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,821 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,821 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,821 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,822 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,824 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,825 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,825 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,825 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,825 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,825 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,825 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,831 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,832 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,832 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,832 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,832 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,833 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,833 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,835 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,836 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,836 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,839 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,841 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,841 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,841 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,842 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,842 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,842 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,843 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,844 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,844 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,844 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,844 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,844 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:15,846 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-10-11 17:38:15,846 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 17:38:15,846 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-11 17:38:15,846 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 17:38:15,846 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 17:38:15,846 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 17:38:15,847 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 17:38:15,847 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 17:38:15,847 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 17:38:15,850 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 119 places, 117 transitions, 270 flow [2020-10-11 17:38:15,864 INFO L129 PetriNetUnfolder]: 12/110 cut-off events. [2020-10-11 17:38:15,865 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-11 17:38:15,866 INFO L80 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 110 events. 12/110 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 280 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 121. Up to 6 conditions per place. [2020-10-11 17:38:15,866 INFO L82 GeneralOperation]: Start removeDead. Operand has 119 places, 117 transitions, 270 flow [2020-10-11 17:38:15,868 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 94 places, 93 transitions, 204 flow [2020-10-11 17:38:15,872 INFO L129 PetriNetUnfolder]: 4/42 cut-off events. [2020-10-11 17:38:15,873 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 17:38:15,873 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 17:38:15,873 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 17:38:15,873 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 17:38:15,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 17:38:15,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1791293281, now seen corresponding path program 1 times [2020-10-11 17:38:15,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 17:38:15,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583507873] [2020-10-11 17:38:15,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 17:38:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 17:38:15,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 17:38:15,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583507873] [2020-10-11 17:38:15,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 17:38:15,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 17:38:15,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182715357] [2020-10-11 17:38:15,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 17:38:15,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 17:38:15,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 17:38:15,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 17:38:16,040 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 117 [2020-10-11 17:38:16,040 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 93 transitions, 204 flow. Second operand 4 states. [2020-10-11 17:38:16,041 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 17:38:16,041 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 117 [2020-10-11 17:38:16,041 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 17:38:16,470 INFO L129 PetriNetUnfolder]: 551/1935 cut-off events. [2020-10-11 17:38:16,471 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-11 17:38:16,483 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2741 conditions, 1935 events. 551/1935 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 16783 event pairs, 49 based on Foata normal form. 822/2544 useless extension candidates. Maximal degree in co-relation 2718. Up to 214 conditions per place. [2020-10-11 17:38:16,503 INFO L132 encePairwiseOnDemand]: 98/117 looper letters, 16 selfloop transitions, 17 changer transitions 0/101 dead transitions. [2020-10-11 17:38:16,503 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 101 transitions, 286 flow [2020-10-11 17:38:16,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 17:38:16,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-11 17:38:16,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 522 transitions. [2020-10-11 17:38:16,506 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8923076923076924 [2020-10-11 17:38:16,506 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 522 transitions. [2020-10-11 17:38:16,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 522 transitions. [2020-10-11 17:38:16,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 17:38:16,507 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 522 transitions. [2020-10-11 17:38:16,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-11 17:38:16,510 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-11 17:38:16,510 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-11 17:38:16,510 INFO L185 Difference]: Start difference. First operand has 94 places, 93 transitions, 204 flow. Second operand 5 states and 522 transitions. [2020-10-11 17:38:16,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 101 transitions, 286 flow [2020-10-11 17:38:16,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 101 transitions, 282 flow, removed 1 selfloop flow, removed 2 redundant places. [2020-10-11 17:38:16,514 INFO L241 Difference]: Finished difference. Result has 92 places, 94 transitions, 310 flow [2020-10-11 17:38:16,515 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=310, PETRI_PLACES=92, PETRI_TRANSITIONS=94} [2020-10-11 17:38:16,515 INFO L341 CegarLoopForPetriNet]: 94 programPoint places, -2 predicate places. [2020-10-11 17:38:16,515 INFO L481 AbstractCegarLoop]: Abstraction has has 92 places, 94 transitions, 310 flow [2020-10-11 17:38:16,515 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 17:38:16,515 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 17:38:16,516 INFO L255 CegarLoopForPetriNet]: 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] [2020-10-11 17:38:16,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 17:38:16,516 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 17:38:16,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 17:38:16,516 INFO L82 PathProgramCache]: Analyzing trace with hash -503278603, now seen corresponding path program 1 times [2020-10-11 17:38:16,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 17:38:16,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939424556] [2020-10-11 17:38:16,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 17:38:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 17:38:16,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 17:38:16,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939424556] [2020-10-11 17:38:16,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 17:38:16,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 17:38:16,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621662383] [2020-10-11 17:38:16,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 17:38:16,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 17:38:16,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 17:38:16,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 17:38:16,925 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 117 [2020-10-11 17:38:16,926 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 94 transitions, 310 flow. Second operand 6 states. [2020-10-11 17:38:16,926 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 17:38:16,926 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 117 [2020-10-11 17:38:16,926 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 17:38:17,358 INFO L129 PetriNetUnfolder]: 203/1337 cut-off events. [2020-10-11 17:38:17,358 INFO L130 PetriNetUnfolder]: For 319/319 co-relation queries the response was YES. [2020-10-11 17:38:17,363 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2371 conditions, 1337 events. 203/1337 cut-off events. For 319/319 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 11588 event pairs, 12 based on Foata normal form. 619/1848 useless extension candidates. Maximal degree in co-relation 2341. Up to 164 conditions per place. [2020-10-11 17:38:17,370 INFO L132 encePairwiseOnDemand]: 95/117 looper letters, 14 selfloop transitions, 54 changer transitions 0/123 dead transitions. [2020-10-11 17:38:17,371 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 123 transitions, 504 flow [2020-10-11 17:38:17,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-11 17:38:17,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-11 17:38:17,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 830 transitions. [2020-10-11 17:38:17,374 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7094017094017094 [2020-10-11 17:38:17,374 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 830 transitions. [2020-10-11 17:38:17,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 830 transitions. [2020-10-11 17:38:17,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 17:38:17,375 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 830 transitions. [2020-10-11 17:38:17,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-11 17:38:17,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 11 states. [2020-10-11 17:38:17,379 INFO L81 ComplementDD]: Finished complementDD. Result 11 states. [2020-10-11 17:38:17,380 INFO L185 Difference]: Start difference. First operand has 92 places, 94 transitions, 310 flow. Second operand 10 states and 830 transitions. [2020-10-11 17:38:17,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 123 transitions, 504 flow [2020-10-11 17:38:17,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 123 transitions, 481 flow, removed 9 selfloop flow, removed 1 redundant places. [2020-10-11 17:38:17,388 INFO L241 Difference]: Finished difference. Result has 102 places, 122 transitions, 489 flow [2020-10-11 17:38:17,388 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=489, PETRI_PLACES=102, PETRI_TRANSITIONS=122} [2020-10-11 17:38:17,389 INFO L341 CegarLoopForPetriNet]: 94 programPoint places, 8 predicate places. [2020-10-11 17:38:17,389 INFO L481 AbstractCegarLoop]: Abstraction has has 102 places, 122 transitions, 489 flow [2020-10-11 17:38:17,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 17:38:17,389 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 17:38:17,389 INFO L255 CegarLoopForPetriNet]: 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] [2020-10-11 17:38:17,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 17:38:17,389 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 17:38:17,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 17:38:17,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1288228652, now seen corresponding path program 1 times [2020-10-11 17:38:17,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 17:38:17,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813450199] [2020-10-11 17:38:17,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 17:38:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 17:38:17,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 17:38:17,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813450199] [2020-10-11 17:38:17,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 17:38:17,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 17:38:17,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891719638] [2020-10-11 17:38:17,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 17:38:17,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 17:38:17,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 17:38:17,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 17:38:17,530 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 117 [2020-10-11 17:38:17,530 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 122 transitions, 489 flow. Second operand 4 states. [2020-10-11 17:38:17,530 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 17:38:17,530 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 117 [2020-10-11 17:38:17,531 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 17:38:17,758 INFO L129 PetriNetUnfolder]: 229/1479 cut-off events. [2020-10-11 17:38:17,758 INFO L130 PetriNetUnfolder]: For 800/809 co-relation queries the response was YES. [2020-10-11 17:38:17,765 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2852 conditions, 1479 events. 229/1479 cut-off events. For 800/809 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 13098 event pairs, 12 based on Foata normal form. 9/1366 useless extension candidates. Maximal degree in co-relation 2820. Up to 147 conditions per place. [2020-10-11 17:38:17,775 INFO L132 encePairwiseOnDemand]: 111/117 looper letters, 17 selfloop transitions, 12 changer transitions 0/125 dead transitions. [2020-10-11 17:38:17,775 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 125 transitions, 576 flow [2020-10-11 17:38:17,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 17:38:17,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-11 17:38:17,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 474 transitions. [2020-10-11 17:38:17,778 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8102564102564103 [2020-10-11 17:38:17,778 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 474 transitions. [2020-10-11 17:38:17,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 474 transitions. [2020-10-11 17:38:17,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 17:38:17,779 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 474 transitions. [2020-10-11 17:38:17,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-11 17:38:17,781 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-11 17:38:17,781 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-11 17:38:17,782 INFO L185 Difference]: Start difference. First operand has 102 places, 122 transitions, 489 flow. Second operand 5 states and 474 transitions. [2020-10-11 17:38:17,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 125 transitions, 576 flow [2020-10-11 17:38:17,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 125 transitions, 566 flow, removed 2 selfloop flow, removed 2 redundant places. [2020-10-11 17:38:17,793 INFO L241 Difference]: Finished difference. Result has 104 places, 124 transitions, 547 flow [2020-10-11 17:38:17,794 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=471, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=547, PETRI_PLACES=104, PETRI_TRANSITIONS=124} [2020-10-11 17:38:17,794 INFO L341 CegarLoopForPetriNet]: 94 programPoint places, 10 predicate places. [2020-10-11 17:38:17,794 INFO L481 AbstractCegarLoop]: Abstraction has has 104 places, 124 transitions, 547 flow [2020-10-11 17:38:17,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 17:38:17,794 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 17:38:17,794 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 17:38:17,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-11 17:38:17,795 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 17:38:17,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 17:38:17,795 INFO L82 PathProgramCache]: Analyzing trace with hash 356234669, now seen corresponding path program 1 times [2020-10-11 17:38:17,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 17:38:17,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30923626] [2020-10-11 17:38:17,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 17:38:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 17:38:17,818 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 17:38:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 17:38:17,838 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 17:38:17,850 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-11 17:38:17,851 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-11 17:38:17,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-11 17:38:17,851 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-11 17:38:17,852 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-11 17:38:17,870 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,870 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,870 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,870 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,871 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,871 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,871 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,871 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,871 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,871 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,872 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,872 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,872 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,872 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,872 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,872 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,873 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,873 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,873 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,873 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,873 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,873 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,874 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,874 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,874 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,874 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,874 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,875 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,875 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,875 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,876 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,876 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,876 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,876 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,876 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,877 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,877 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,877 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,877 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,877 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,877 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,877 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,878 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,878 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,878 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,878 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,878 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,879 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,879 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,880 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,880 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,880 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,880 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,880 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,880 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,881 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,881 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,881 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,881 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,881 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,881 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,881 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,882 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,882 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,882 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,882 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,882 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,883 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,883 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,883 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,883 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,884 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,884 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,884 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,884 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,884 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,885 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,885 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,885 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,885 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,885 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,886 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,886 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,886 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,886 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,886 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,887 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,887 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,887 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,887 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,888 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,888 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,888 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,888 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,888 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,888 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,889 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,889 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,890 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,890 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,890 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,890 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,891 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,891 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,891 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,891 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,891 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,891 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,891 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,892 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,892 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,892 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,892 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,892 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,893 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,893 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,894 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,894 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,895 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,895 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,895 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,895 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,896 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,899 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,899 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,899 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,899 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,900 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,900 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,900 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,902 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,902 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,902 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,902 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,903 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,903 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,904 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,905 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,905 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,905 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,905 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,905 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,906 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,906 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,907 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,907 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,907 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,907 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,908 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,908 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,909 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,909 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,909 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,909 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,910 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,910 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,911 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,911 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,911 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,911 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,913 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,913 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,913 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,914 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,914 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,914 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:17,917 INFO L253 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2020-10-11 17:38:17,917 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 17:38:17,917 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-11 17:38:17,917 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 17:38:17,918 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 17:38:17,918 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 17:38:17,918 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 17:38:17,918 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 17:38:17,918 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 17:38:17,924 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 164 places, 162 transitions, 387 flow [2020-10-11 17:38:17,938 INFO L129 PetriNetUnfolder]: 16/142 cut-off events. [2020-10-11 17:38:17,939 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-11 17:38:17,940 INFO L80 FinitePrefix]: Finished finitePrefix Result has 168 conditions, 142 events. 16/142 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 402 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 158. Up to 8 conditions per place. [2020-10-11 17:38:17,940 INFO L82 GeneralOperation]: Start removeDead. Operand has 164 places, 162 transitions, 387 flow [2020-10-11 17:38:17,943 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 116 places, 116 transitions, 259 flow [2020-10-11 17:38:17,947 INFO L129 PetriNetUnfolder]: 4/42 cut-off events. [2020-10-11 17:38:17,947 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 17:38:17,947 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 17:38:17,947 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 17:38:17,948 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 17:38:17,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 17:38:17,948 INFO L82 PathProgramCache]: Analyzing trace with hash 224275970, now seen corresponding path program 1 times [2020-10-11 17:38:17,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 17:38:17,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763881373] [2020-10-11 17:38:17,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 17:38:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 17:38:18,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 17:38:18,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763881373] [2020-10-11 17:38:18,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 17:38:18,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 17:38:18,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697911792] [2020-10-11 17:38:18,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 17:38:18,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 17:38:18,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 17:38:18,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 17:38:18,180 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 162 [2020-10-11 17:38:18,181 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 116 transitions, 259 flow. Second operand 4 states. [2020-10-11 17:38:18,181 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 17:38:18,181 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 162 [2020-10-11 17:38:18,182 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 17:38:19,483 INFO L129 PetriNetUnfolder]: 3428/9605 cut-off events. [2020-10-11 17:38:19,484 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-11 17:38:19,568 INFO L80 FinitePrefix]: Finished finitePrefix Result has 14025 conditions, 9605 events. 3428/9605 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 102538 event pairs, 299 based on Foata normal form. 4644/13297 useless extension candidates. Maximal degree in co-relation 14001. Up to 1251 conditions per place. [2020-10-11 17:38:19,653 INFO L132 encePairwiseOnDemand]: 139/162 looper letters, 21 selfloop transitions, 22 changer transitions 0/130 dead transitions. [2020-10-11 17:38:19,653 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 130 transitions, 373 flow [2020-10-11 17:38:19,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 17:38:19,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-11 17:38:19,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 708 transitions. [2020-10-11 17:38:19,656 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8740740740740741 [2020-10-11 17:38:19,656 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 708 transitions. [2020-10-11 17:38:19,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 708 transitions. [2020-10-11 17:38:19,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 17:38:19,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 708 transitions. [2020-10-11 17:38:19,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-11 17:38:19,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-11 17:38:19,660 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-11 17:38:19,661 INFO L185 Difference]: Start difference. First operand has 116 places, 116 transitions, 259 flow. Second operand 5 states and 708 transitions. [2020-10-11 17:38:19,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 130 transitions, 373 flow [2020-10-11 17:38:19,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 130 transitions, 365 flow, removed 3 selfloop flow, removed 2 redundant places. [2020-10-11 17:38:19,664 INFO L241 Difference]: Finished difference. Result has 114 places, 121 transitions, 403 flow [2020-10-11 17:38:19,665 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=403, PETRI_PLACES=114, PETRI_TRANSITIONS=121} [2020-10-11 17:38:19,665 INFO L341 CegarLoopForPetriNet]: 116 programPoint places, -2 predicate places. [2020-10-11 17:38:19,665 INFO L481 AbstractCegarLoop]: Abstraction has has 114 places, 121 transitions, 403 flow [2020-10-11 17:38:19,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 17:38:19,665 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 17:38:19,666 INFO L255 CegarLoopForPetriNet]: 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] [2020-10-11 17:38:19,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-11 17:38:19,666 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 17:38:19,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 17:38:19,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1476210048, now seen corresponding path program 1 times [2020-10-11 17:38:19,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 17:38:19,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156515654] [2020-10-11 17:38:19,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 17:38:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 17:38:19,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 17:38:19,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156515654] [2020-10-11 17:38:19,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 17:38:19,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 17:38:19,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156711569] [2020-10-11 17:38:19,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 17:38:19,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 17:38:19,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 17:38:19,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 17:38:20,325 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 162 [2020-10-11 17:38:20,325 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 121 transitions, 403 flow. Second operand 6 states. [2020-10-11 17:38:20,326 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 17:38:20,326 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 162 [2020-10-11 17:38:20,326 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 17:38:21,307 INFO L129 PetriNetUnfolder]: 975/5787 cut-off events. [2020-10-11 17:38:21,307 INFO L130 PetriNetUnfolder]: For 1460/1460 co-relation queries the response was YES. [2020-10-11 17:38:21,324 INFO L80 FinitePrefix]: Finished finitePrefix Result has 9956 conditions, 5787 events. 975/5787 cut-off events. For 1460/1460 co-relation queries the response was YES. Maximal size of possible extension queue 310. Compared 68130 event pairs, 84 based on Foata normal form. 3405/8650 useless extension candidates. Maximal degree in co-relation 9925. Up to 714 conditions per place. [2020-10-11 17:38:21,343 INFO L132 encePairwiseOnDemand]: 133/162 looper letters, 18 selfloop transitions, 74 changer transitions 0/162 dead transitions. [2020-10-11 17:38:21,343 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 162 transitions, 669 flow [2020-10-11 17:38:21,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-11 17:38:21,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-11 17:38:21,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1122 transitions. [2020-10-11 17:38:21,348 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.6925925925925925 [2020-10-11 17:38:21,348 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1122 transitions. [2020-10-11 17:38:21,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1122 transitions. [2020-10-11 17:38:21,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 17:38:21,349 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1122 transitions. [2020-10-11 17:38:21,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-11 17:38:21,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 11 states. [2020-10-11 17:38:21,355 INFO L81 ComplementDD]: Finished complementDD. Result 11 states. [2020-10-11 17:38:21,355 INFO L185 Difference]: Start difference. First operand has 114 places, 121 transitions, 403 flow. Second operand 10 states and 1122 transitions. [2020-10-11 17:38:21,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 162 transitions, 669 flow [2020-10-11 17:38:21,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 162 transitions, 641 flow, removed 11 selfloop flow, removed 1 redundant places. [2020-10-11 17:38:21,397 INFO L241 Difference]: Finished difference. Result has 124 places, 161 transitions, 654 flow [2020-10-11 17:38:21,397 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=654, PETRI_PLACES=124, PETRI_TRANSITIONS=161} [2020-10-11 17:38:21,397 INFO L341 CegarLoopForPetriNet]: 116 programPoint places, 8 predicate places. [2020-10-11 17:38:21,398 INFO L481 AbstractCegarLoop]: Abstraction has has 124 places, 161 transitions, 654 flow [2020-10-11 17:38:21,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 17:38:21,398 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 17:38:21,398 INFO L255 CegarLoopForPetriNet]: 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] [2020-10-11 17:38:21,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-11 17:38:21,398 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 17:38:21,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 17:38:21,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1506140317, now seen corresponding path program 1 times [2020-10-11 17:38:21,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 17:38:21,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328111421] [2020-10-11 17:38:21,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 17:38:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 17:38:21,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 17:38:21,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328111421] [2020-10-11 17:38:21,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 17:38:21,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 17:38:21,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387901970] [2020-10-11 17:38:21,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 17:38:21,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 17:38:21,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 17:38:21,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 17:38:21,553 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 162 [2020-10-11 17:38:21,554 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 161 transitions, 654 flow. Second operand 4 states. [2020-10-11 17:38:21,554 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 17:38:21,554 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 162 [2020-10-11 17:38:21,554 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 17:38:22,336 INFO L129 PetriNetUnfolder]: 1124/6559 cut-off events. [2020-10-11 17:38:22,336 INFO L130 PetriNetUnfolder]: For 3509/3534 co-relation queries the response was YES. [2020-10-11 17:38:22,358 INFO L80 FinitePrefix]: Finished finitePrefix Result has 12248 conditions, 6559 events. 1124/6559 cut-off events. For 3509/3534 co-relation queries the response was YES. Maximal size of possible extension queue 342. Compared 78513 event pairs, 108 based on Foata normal form. 27/5957 useless extension candidates. Maximal degree in co-relation 12215. Up to 631 conditions per place. [2020-10-11 17:38:22,383 INFO L132 encePairwiseOnDemand]: 155/162 looper letters, 23 selfloop transitions, 15 changer transitions 0/165 dead transitions. [2020-10-11 17:38:22,384 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 165 transitions, 767 flow [2020-10-11 17:38:22,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 17:38:22,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-11 17:38:22,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 649 transitions. [2020-10-11 17:38:22,386 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8012345679012346 [2020-10-11 17:38:22,386 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 649 transitions. [2020-10-11 17:38:22,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 649 transitions. [2020-10-11 17:38:22,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 17:38:22,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 649 transitions. [2020-10-11 17:38:22,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-11 17:38:22,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-11 17:38:22,390 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-11 17:38:22,390 INFO L185 Difference]: Start difference. First operand has 124 places, 161 transitions, 654 flow. Second operand 5 states and 649 transitions. [2020-10-11 17:38:22,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 165 transitions, 767 flow [2020-10-11 17:38:22,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 165 transitions, 753 flow, removed 3 selfloop flow, removed 2 redundant places. [2020-10-11 17:38:22,433 INFO L241 Difference]: Finished difference. Result has 126 places, 164 transitions, 728 flow [2020-10-11 17:38:22,433 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=728, PETRI_PLACES=126, PETRI_TRANSITIONS=164} [2020-10-11 17:38:22,433 INFO L341 CegarLoopForPetriNet]: 116 programPoint places, 10 predicate places. [2020-10-11 17:38:22,433 INFO L481 AbstractCegarLoop]: Abstraction has has 126 places, 164 transitions, 728 flow [2020-10-11 17:38:22,434 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 17:38:22,434 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 17:38:22,434 INFO L255 CegarLoopForPetriNet]: 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] [2020-10-11 17:38:22,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-11 17:38:22,434 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 17:38:22,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 17:38:22,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1345080021, now seen corresponding path program 1 times [2020-10-11 17:38:22,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 17:38:22,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208904197] [2020-10-11 17:38:22,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 17:38:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 17:38:22,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 17:38:22,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208904197] [2020-10-11 17:38:22,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 17:38:22,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 17:38:22,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14301353] [2020-10-11 17:38:22,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 17:38:22,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 17:38:22,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 17:38:22,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 17:38:22,518 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 162 [2020-10-11 17:38:22,519 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 164 transitions, 728 flow. Second operand 3 states. [2020-10-11 17:38:22,519 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 17:38:22,519 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 162 [2020-10-11 17:38:22,519 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 17:38:23,381 INFO L129 PetriNetUnfolder]: 1607/8425 cut-off events. [2020-10-11 17:38:23,381 INFO L130 PetriNetUnfolder]: For 4336/4361 co-relation queries the response was YES. [2020-10-11 17:38:23,413 INFO L80 FinitePrefix]: Finished finitePrefix Result has 16424 conditions, 8425 events. 1607/8425 cut-off events. For 4336/4361 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 104905 event pairs, 151 based on Foata normal form. 447/8465 useless extension candidates. Maximal degree in co-relation 16391. Up to 894 conditions per place. [2020-10-11 17:38:23,444 INFO L132 encePairwiseOnDemand]: 154/162 looper letters, 6 selfloop transitions, 5 changer transitions 0/167 dead transitions. [2020-10-11 17:38:23,445 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 167 transitions, 756 flow [2020-10-11 17:38:23,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 17:38:23,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-11 17:38:23,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 428 transitions. [2020-10-11 17:38:23,446 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8806584362139918 [2020-10-11 17:38:23,447 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 428 transitions. [2020-10-11 17:38:23,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 428 transitions. [2020-10-11 17:38:23,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 17:38:23,447 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 428 transitions. [2020-10-11 17:38:23,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-11 17:38:23,449 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-11 17:38:23,449 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-11 17:38:23,449 INFO L185 Difference]: Start difference. First operand has 126 places, 164 transitions, 728 flow. Second operand 3 states and 428 transitions. [2020-10-11 17:38:23,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 167 transitions, 756 flow [2020-10-11 17:38:23,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 167 transitions, 746 flow, removed 3 selfloop flow, removed 1 redundant places. [2020-10-11 17:38:23,524 INFO L241 Difference]: Finished difference. Result has 129 places, 167 transitions, 756 flow [2020-10-11 17:38:23,524 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=718, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=756, PETRI_PLACES=129, PETRI_TRANSITIONS=167} [2020-10-11 17:38:23,524 INFO L341 CegarLoopForPetriNet]: 116 programPoint places, 13 predicate places. [2020-10-11 17:38:23,524 INFO L481 AbstractCegarLoop]: Abstraction has has 129 places, 167 transitions, 756 flow [2020-10-11 17:38:23,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 17:38:23,525 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 17:38:23,525 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 17:38:23,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-11 17:38:23,525 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 17:38:23,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 17:38:23,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1314494710, now seen corresponding path program 1 times [2020-10-11 17:38:23,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 17:38:23,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931986244] [2020-10-11 17:38:23,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 17:38:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 17:38:23,535 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 17:38:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 17:38:23,542 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 17:38:23,548 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-11 17:38:23,549 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-11 17:38:23,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-11 17:38:23,549 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-11 17:38:23,549 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-11 17:38:23,565 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,566 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,566 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,566 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,566 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,566 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,567 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,567 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,567 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,567 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,567 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,567 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,568 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,568 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,568 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,568 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,568 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,568 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,569 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,569 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,569 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,569 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,569 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,569 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,569 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,570 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,570 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,570 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,570 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,570 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,570 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,570 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,571 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,571 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,571 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,571 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,572 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,572 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,572 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,572 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,572 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,573 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,573 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,573 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,573 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,573 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,573 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,573 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,574 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,574 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,574 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,574 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,574 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,574 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,574 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,575 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,575 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,575 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,575 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,575 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,575 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,576 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,576 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,576 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,576 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,576 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,576 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,577 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,577 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,577 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,577 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,577 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,578 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,578 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,578 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,578 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,578 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,578 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,579 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,579 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,579 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,579 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,579 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,579 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,580 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,580 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,580 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,580 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,580 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,580 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,581 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,581 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,581 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,581 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,581 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,581 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,581 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,582 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,582 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,582 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,582 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,582 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,582 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,582 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,583 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,583 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,583 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,583 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,583 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,583 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,583 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,584 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,584 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,584 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,584 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,584 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,585 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,585 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,585 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,585 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,587 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,587 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,587 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,587 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,587 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,587 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,587 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,587 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,588 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,588 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,588 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,588 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,588 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,588 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,589 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,589 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,589 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,589 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,589 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,589 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,589 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,589 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,590 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,590 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,590 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,590 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,591 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,591 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,591 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,591 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,591 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,595 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,595 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,595 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,596 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,596 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,596 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,596 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,597 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,598 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,598 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,598 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,598 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,598 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,598 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,599 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,600 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,600 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,600 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,600 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,600 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,600 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,603 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,604 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,604 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,604 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,604 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,604 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,605 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,605 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,606 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,606 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,606 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,606 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,607 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,607 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,607 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,608 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,608 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,608 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,609 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,609 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,611 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,611 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,612 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,613 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,613 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,613 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,613 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,613 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,613 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,615 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,615 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,615 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,615 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,615 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,615 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:23,616 INFO L253 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2020-10-11 17:38:23,617 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 17:38:23,617 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-11 17:38:23,617 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 17:38:23,617 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 17:38:23,617 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 17:38:23,617 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 17:38:23,617 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 17:38:23,618 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 17:38:23,620 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 209 places, 207 transitions, 510 flow [2020-10-11 17:38:23,637 INFO L129 PetriNetUnfolder]: 20/174 cut-off events. [2020-10-11 17:38:23,637 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-11 17:38:23,640 INFO L80 FinitePrefix]: Finished finitePrefix Result has 209 conditions, 174 events. 20/174 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 550 event pairs, 0 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 196. Up to 10 conditions per place. [2020-10-11 17:38:23,640 INFO L82 GeneralOperation]: Start removeDead. Operand has 209 places, 207 transitions, 510 flow [2020-10-11 17:38:23,642 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 138 places, 139 transitions, 316 flow [2020-10-11 17:38:23,645 INFO L129 PetriNetUnfolder]: 4/44 cut-off events. [2020-10-11 17:38:23,645 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 17:38:23,645 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 17:38:23,645 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 17:38:23,645 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 17:38:23,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 17:38:23,646 INFO L82 PathProgramCache]: Analyzing trace with hash -116310140, now seen corresponding path program 1 times [2020-10-11 17:38:23,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 17:38:23,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276237488] [2020-10-11 17:38:23,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 17:38:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 17:38:23,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 17:38:23,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276237488] [2020-10-11 17:38:23,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 17:38:23,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 17:38:23,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688012294] [2020-10-11 17:38:23,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 17:38:23,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 17:38:23,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 17:38:23,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 17:38:23,857 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 207 [2020-10-11 17:38:23,858 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 139 transitions, 316 flow. Second operand 4 states. [2020-10-11 17:38:23,858 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 17:38:23,858 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 207 [2020-10-11 17:38:23,858 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 17:38:29,549 INFO L129 PetriNetUnfolder]: 18909/45513 cut-off events. [2020-10-11 17:38:29,549 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-11 17:38:30,457 INFO L80 FinitePrefix]: Finished finitePrefix Result has 68268 conditions, 45513 events. 18909/45513 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 2277. Compared 553203 event pairs, 1673 based on Foata normal form. 24226/65670 useless extension candidates. Maximal degree in co-relation 68243. Up to 6672 conditions per place. [2020-10-11 17:38:30,878 INFO L132 encePairwiseOnDemand]: 180/207 looper letters, 26 selfloop transitions, 27 changer transitions 0/159 dead transitions. [2020-10-11 17:38:30,878 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 159 transitions, 462 flow [2020-10-11 17:38:30,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 17:38:30,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-11 17:38:30,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 894 transitions. [2020-10-11 17:38:30,881 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.863768115942029 [2020-10-11 17:38:30,882 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 894 transitions. [2020-10-11 17:38:30,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 894 transitions. [2020-10-11 17:38:30,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 17:38:30,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 894 transitions. [2020-10-11 17:38:30,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-11 17:38:30,886 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-11 17:38:30,886 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-11 17:38:30,886 INFO L185 Difference]: Start difference. First operand has 138 places, 139 transitions, 316 flow. Second operand 5 states and 894 transitions. [2020-10-11 17:38:30,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 159 transitions, 462 flow [2020-10-11 17:38:30,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 159 transitions, 448 flow, removed 6 selfloop flow, removed 2 redundant places. [2020-10-11 17:38:30,890 INFO L241 Difference]: Finished difference. Result has 136 places, 148 transitions, 496 flow [2020-10-11 17:38:30,891 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=496, PETRI_PLACES=136, PETRI_TRANSITIONS=148} [2020-10-11 17:38:30,891 INFO L341 CegarLoopForPetriNet]: 138 programPoint places, -2 predicate places. [2020-10-11 17:38:30,891 INFO L481 AbstractCegarLoop]: Abstraction has has 136 places, 148 transitions, 496 flow [2020-10-11 17:38:30,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 17:38:30,891 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 17:38:30,891 INFO L255 CegarLoopForPetriNet]: 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] [2020-10-11 17:38:30,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-11 17:38:30,892 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 17:38:30,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 17:38:30,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1441052701, now seen corresponding path program 1 times [2020-10-11 17:38:30,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 17:38:30,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190317900] [2020-10-11 17:38:30,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 17:38:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 17:38:30,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 17:38:30,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190317900] [2020-10-11 17:38:30,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 17:38:30,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 17:38:30,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239951856] [2020-10-11 17:38:30,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 17:38:30,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 17:38:30,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 17:38:30,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-11 17:38:31,452 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 207 [2020-10-11 17:38:31,453 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 148 transitions, 496 flow. Second operand 6 states. [2020-10-11 17:38:31,453 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 17:38:31,453 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 207 [2020-10-11 17:38:31,453 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 17:38:34,897 INFO L129 PetriNetUnfolder]: 4019/22705 cut-off events. [2020-10-11 17:38:34,897 INFO L130 PetriNetUnfolder]: For 5901/5901 co-relation queries the response was YES. [2020-10-11 17:38:35,030 INFO L80 FinitePrefix]: Finished finitePrefix Result has 38389 conditions, 22705 events. 4019/22705 cut-off events. For 5901/5901 co-relation queries the response was YES. Maximal size of possible extension queue 1079. Compared 332788 event pairs, 408 based on Foata normal form. 16252/36683 useless extension candidates. Maximal degree in co-relation 38357. Up to 2756 conditions per place. [2020-10-11 17:38:35,086 INFO L132 encePairwiseOnDemand]: 171/207 looper letters, 22 selfloop transitions, 94 changer transitions 0/201 dead transitions. [2020-10-11 17:38:35,086 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 201 transitions, 834 flow [2020-10-11 17:38:35,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 17:38:35,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 17:38:35,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1288 transitions. [2020-10-11 17:38:35,091 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.691358024691358 [2020-10-11 17:38:35,091 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1288 transitions. [2020-10-11 17:38:35,091 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1288 transitions. [2020-10-11 17:38:35,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 17:38:35,092 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1288 transitions. [2020-10-11 17:38:35,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 17:38:35,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 17:38:35,097 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 17:38:35,098 INFO L185 Difference]: Start difference. First operand has 136 places, 148 transitions, 496 flow. Second operand 9 states and 1288 transitions. [2020-10-11 17:38:35,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 201 transitions, 834 flow [2020-10-11 17:38:35,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 201 transitions, 801 flow, removed 13 selfloop flow, removed 1 redundant places. [2020-10-11 17:38:35,359 INFO L241 Difference]: Finished difference. Result has 145 places, 200 transitions, 819 flow [2020-10-11 17:38:35,360 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=426, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=819, PETRI_PLACES=145, PETRI_TRANSITIONS=200} [2020-10-11 17:38:35,360 INFO L341 CegarLoopForPetriNet]: 138 programPoint places, 7 predicate places. [2020-10-11 17:38:35,360 INFO L481 AbstractCegarLoop]: Abstraction has has 145 places, 200 transitions, 819 flow [2020-10-11 17:38:35,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 17:38:35,360 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 17:38:35,360 INFO L255 CegarLoopForPetriNet]: 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] [2020-10-11 17:38:35,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-11 17:38:35,361 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 17:38:35,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 17:38:35,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1666497958, now seen corresponding path program 1 times [2020-10-11 17:38:35,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 17:38:35,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226952450] [2020-10-11 17:38:35,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 17:38:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 17:38:35,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 17:38:35,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226952450] [2020-10-11 17:38:35,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 17:38:35,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 17:38:35,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877714678] [2020-10-11 17:38:35,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 17:38:35,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 17:38:35,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 17:38:35,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 17:38:35,564 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 207 [2020-10-11 17:38:35,565 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 200 transitions, 819 flow. Second operand 4 states. [2020-10-11 17:38:35,565 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 17:38:35,565 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 207 [2020-10-11 17:38:35,565 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 17:38:37,915 INFO L129 PetriNetUnfolder]: 4679/26063 cut-off events. [2020-10-11 17:38:37,915 INFO L130 PetriNetUnfolder]: For 13841/13952 co-relation queries the response was YES. [2020-10-11 17:38:38,105 INFO L80 FinitePrefix]: Finished finitePrefix Result has 47700 conditions, 26063 events. 4679/26063 cut-off events. For 13841/13952 co-relation queries the response was YES. Maximal size of possible extension queue 1228. Compared 387513 event pairs, 646 based on Foata normal form. 81/23474 useless extension candidates. Maximal degree in co-relation 47666. Up to 2403 conditions per place. [2020-10-11 17:38:38,183 INFO L132 encePairwiseOnDemand]: 199/207 looper letters, 29 selfloop transitions, 18 changer transitions 0/205 dead transitions. [2020-10-11 17:38:38,183 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 205 transitions, 958 flow [2020-10-11 17:38:38,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 17:38:38,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-11 17:38:38,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 824 transitions. [2020-10-11 17:38:38,186 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7961352657004831 [2020-10-11 17:38:38,186 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 824 transitions. [2020-10-11 17:38:38,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 824 transitions. [2020-10-11 17:38:38,187 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 17:38:38,187 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 824 transitions. [2020-10-11 17:38:38,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-11 17:38:38,190 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-11 17:38:38,190 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-11 17:38:38,190 INFO L185 Difference]: Start difference. First operand has 145 places, 200 transitions, 819 flow. Second operand 5 states and 824 transitions. [2020-10-11 17:38:38,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 205 transitions, 958 flow [2020-10-11 17:38:38,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 205 transitions, 941 flow, removed 4 selfloop flow, removed 1 redundant places. [2020-10-11 17:38:38,677 INFO L241 Difference]: Finished difference. Result has 148 places, 204 transitions, 910 flow [2020-10-11 17:38:38,677 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=794, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=910, PETRI_PLACES=148, PETRI_TRANSITIONS=204} [2020-10-11 17:38:38,677 INFO L341 CegarLoopForPetriNet]: 138 programPoint places, 10 predicate places. [2020-10-11 17:38:38,678 INFO L481 AbstractCegarLoop]: Abstraction has has 148 places, 204 transitions, 910 flow [2020-10-11 17:38:38,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 17:38:38,678 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 17:38:38,678 INFO L255 CegarLoopForPetriNet]: 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] [2020-10-11 17:38:38,678 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-11 17:38:38,678 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 17:38:38,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 17:38:38,679 INFO L82 PathProgramCache]: Analyzing trace with hash 506843407, now seen corresponding path program 1 times [2020-10-11 17:38:38,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 17:38:38,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579146271] [2020-10-11 17:38:38,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 17:38:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 17:38:38,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 17:38:38,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579146271] [2020-10-11 17:38:38,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 17:38:38,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 17:38:38,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997113552] [2020-10-11 17:38:38,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 17:38:38,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 17:38:38,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 17:38:38,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 17:38:38,782 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 207 [2020-10-11 17:38:38,782 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 204 transitions, 910 flow. Second operand 3 states. [2020-10-11 17:38:38,782 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 17:38:38,783 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 207 [2020-10-11 17:38:38,783 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 17:38:41,998 INFO L129 PetriNetUnfolder]: 6883/34080 cut-off events. [2020-10-11 17:38:41,998 INFO L130 PetriNetUnfolder]: For 17240/17351 co-relation queries the response was YES. [2020-10-11 17:38:42,265 INFO L80 FinitePrefix]: Finished finitePrefix Result has 65082 conditions, 34080 events. 6883/34080 cut-off events. For 17240/17351 co-relation queries the response was YES. Maximal size of possible extension queue 1615. Compared 520052 event pairs, 1006 based on Foata normal form. 1820/34046 useless extension candidates. Maximal degree in co-relation 65047. Up to 3495 conditions per place. [2020-10-11 17:38:42,367 INFO L132 encePairwiseOnDemand]: 197/207 looper letters, 8 selfloop transitions, 6 changer transitions 0/208 dead transitions. [2020-10-11 17:38:42,367 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 208 transitions, 946 flow [2020-10-11 17:38:42,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 17:38:42,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-11 17:38:42,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 546 transitions. [2020-10-11 17:38:42,369 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8792270531400966 [2020-10-11 17:38:42,369 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 546 transitions. [2020-10-11 17:38:42,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 546 transitions. [2020-10-11 17:38:42,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 17:38:42,369 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 546 transitions. [2020-10-11 17:38:42,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-11 17:38:42,371 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-11 17:38:42,371 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-11 17:38:42,371 INFO L185 Difference]: Start difference. First operand has 148 places, 204 transitions, 910 flow. Second operand 3 states and 546 transitions. [2020-10-11 17:38:42,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 208 transitions, 946 flow [2020-10-11 17:38:43,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 208 transitions, 934 flow, removed 4 selfloop flow, removed 1 redundant places. [2020-10-11 17:38:43,459 INFO L241 Difference]: Finished difference. Result has 151 places, 208 transitions, 946 flow [2020-10-11 17:38:43,460 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=946, PETRI_PLACES=151, PETRI_TRANSITIONS=208} [2020-10-11 17:38:43,460 INFO L341 CegarLoopForPetriNet]: 138 programPoint places, 13 predicate places. [2020-10-11 17:38:43,460 INFO L481 AbstractCegarLoop]: Abstraction has has 151 places, 208 transitions, 946 flow [2020-10-11 17:38:43,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 17:38:43,460 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 17:38:43,460 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 17:38:43,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-11 17:38:43,460 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 17:38:43,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 17:38:43,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1427741564, now seen corresponding path program 1 times [2020-10-11 17:38:43,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 17:38:43,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103536595] [2020-10-11 17:38:43,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 17:38:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 17:38:43,469 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 17:38:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 17:38:43,475 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 17:38:43,483 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-11 17:38:43,483 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-11 17:38:43,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-11 17:38:43,484 WARN L371 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-11 17:38:43,484 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-11 17:38:43,503 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,503 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,503 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,503 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,503 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,504 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,504 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,504 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,504 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,504 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,505 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,505 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,505 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,505 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,505 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,505 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,505 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,505 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,506 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,506 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,506 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,506 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,506 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,506 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,507 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,507 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,507 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,507 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,507 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,507 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,508 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,508 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,508 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,508 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,508 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,508 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,508 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,508 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,509 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,509 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,509 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,509 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,509 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,509 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,509 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,509 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,510 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,510 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,510 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,510 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,510 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,510 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,511 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,511 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,511 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,511 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,511 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,511 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,511 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,511 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,512 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,512 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,512 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,512 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,512 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,512 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,512 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,513 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,513 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,513 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,513 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,513 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,513 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,513 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,513 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,514 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,514 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,514 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,514 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,514 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,514 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,514 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,515 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,515 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,515 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,515 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,515 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,515 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,516 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,516 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,516 WARN L313 ript$VariableManager]: TermVariabe thr3Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,516 WARN L313 ript$VariableManager]: TermVariabe thr3Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,516 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,516 WARN L313 ript$VariableManager]: TermVariabe thr3Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,516 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,516 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,517 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,517 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,517 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,517 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,517 WARN L313 ript$VariableManager]: TermVariabe thr3Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,517 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,517 WARN L313 ript$VariableManager]: TermVariabe thr3Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,517 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,518 WARN L313 ript$VariableManager]: TermVariabe thr3Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,518 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,518 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,518 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,518 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,518 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,519 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,519 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,519 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,519 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,519 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,519 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,519 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,519 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,520 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,520 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,520 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,520 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,520 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,520 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,521 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,521 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,521 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,521 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,521 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,521 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,521 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,521 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,522 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,522 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,522 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,522 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,522 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,522 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,522 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,523 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,523 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,523 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,523 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,523 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,523 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,524 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,524 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,524 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,524 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,524 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,524 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,524 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,524 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,525 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,525 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,525 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,526 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,526 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,526 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,526 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,526 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,526 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,526 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,526 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,527 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,527 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,527 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,527 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,527 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,527 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,528 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,528 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,528 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,528 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,529 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,529 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,529 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,530 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,530 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,530 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,530 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,530 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,531 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,531 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,531 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,531 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,531 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,531 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,537 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,538 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,538 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,538 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,538 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,538 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,538 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,540 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,540 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,541 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,541 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,541 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,541 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,541 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,543 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,544 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,544 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,544 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,544 WARN L313 ript$VariableManager]: TermVariabe thr3Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,544 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,544 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,547 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,548 WARN L313 ript$VariableManager]: TermVariabe thr3Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,548 WARN L313 ript$VariableManager]: TermVariabe thr3Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,548 WARN L313 ript$VariableManager]: TermVariabe thr3Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,548 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,548 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,548 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,549 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,550 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,550 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,550 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,550 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,550 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,551 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,552 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,552 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,552 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,552 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,552 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,553 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,554 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,554 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,554 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,554 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,554 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,555 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,556 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,556 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,556 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,556 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,556 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,557 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,558 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,558 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,558 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,558 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,558 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,559 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,559 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,560 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,560 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,560 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,560 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,561 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,561 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,562 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,562 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,562 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,562 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,563 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,563 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,564 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,564 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,564 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,564 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,565 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,565 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,565 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,566 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,566 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,566 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,567 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,567 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,567 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,567 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,567 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,568 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 17:38:43,569 INFO L253 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2020-10-11 17:38:43,569 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 17:38:43,569 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-11 17:38:43,569 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 17:38:43,569 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 17:38:43,570 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 17:38:43,570 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 17:38:43,570 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 17:38:43,570 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 17:38:43,573 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 254 places, 252 transitions, 639 flow [2020-10-11 17:38:43,593 INFO L129 PetriNetUnfolder]: 24/206 cut-off events. [2020-10-11 17:38:43,593 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-11 17:38:43,595 INFO L80 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 206 events. 24/206 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 687 event pairs, 0 based on Foata normal form. 0/170 useless extension candidates. Maximal degree in co-relation 235. Up to 12 conditions per place. [2020-10-11 17:38:43,596 INFO L82 GeneralOperation]: Start removeDead. Operand has 254 places, 252 transitions, 639 flow [2020-10-11 17:38:43,597 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 160 places, 162 transitions, 375 flow [2020-10-11 17:38:43,599 INFO L129 PetriNetUnfolder]: 5/47 cut-off events. [2020-10-11 17:38:43,599 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 17:38:43,599 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 17:38:43,599 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 17:38:43,600 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 17:38:43,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 17:38:43,600 INFO L82 PathProgramCache]: Analyzing trace with hash 826793251, now seen corresponding path program 1 times [2020-10-11 17:38:43,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 17:38:43,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540229538] [2020-10-11 17:38:43,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 17:38:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 17:38:43,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 17:38:43,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540229538] [2020-10-11 17:38:43,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 17:38:43,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 17:38:43,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452122615] [2020-10-11 17:38:43,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 17:38:43,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 17:38:43,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 17:38:43,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 17:38:43,858 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 252 [2020-10-11 17:38:43,858 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 162 transitions, 375 flow. Second operand 4 states. [2020-10-11 17:38:43,859 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 17:38:43,859 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 252 [2020-10-11 17:38:43,859 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 17:39:30,668 INFO L129 PetriNetUnfolder]: 96885/208965 cut-off events. [2020-10-11 17:39:30,669 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-11 17:39:33,609 INFO L80 FinitePrefix]: Finished finitePrefix Result has 320720 conditions, 208965 events. 96885/208965 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 9017. Compared 2799211 event pairs, 8877 based on Foata normal form. 118888/310739 useless extension candidates. Maximal degree in co-relation 320694. Up to 33497 conditions per place. [2020-10-11 17:39:36,723 INFO L132 encePairwiseOnDemand]: 221/252 looper letters, 31 selfloop transitions, 32 changer transitions 0/188 dead transitions. [2020-10-11 17:39:36,724 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 188 transitions, 553 flow [2020-10-11 17:39:36,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 17:39:36,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-11 17:39:36,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1080 transitions. [2020-10-11 17:39:36,727 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8571428571428571 [2020-10-11 17:39:36,727 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1080 transitions. [2020-10-11 17:39:36,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1080 transitions. [2020-10-11 17:39:36,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 17:39:36,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1080 transitions. [2020-10-11 17:39:36,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-11 17:39:36,733 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-11 17:39:36,733 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-11 17:39:36,733 INFO L185 Difference]: Start difference. First operand has 160 places, 162 transitions, 375 flow. Second operand 5 states and 1080 transitions. [2020-10-11 17:39:36,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 188 transitions, 553 flow [2020-10-11 17:39:36,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 188 transitions, 531 flow, removed 10 selfloop flow, removed 2 redundant places. [2020-10-11 17:39:36,737 INFO L241 Difference]: Finished difference. Result has 158 places, 175 transitions, 589 flow [2020-10-11 17:39:36,738 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=589, PETRI_PLACES=158, PETRI_TRANSITIONS=175} [2020-10-11 17:39:36,738 INFO L341 CegarLoopForPetriNet]: 160 programPoint places, -2 predicate places. [2020-10-11 17:39:36,738 INFO L481 AbstractCegarLoop]: Abstraction has has 158 places, 175 transitions, 589 flow [2020-10-11 17:39:36,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 17:39:36,738 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 17:39:36,738 INFO L255 CegarLoopForPetriNet]: 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] [2020-10-11 17:39:36,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-11 17:39:36,740 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 17:39:36,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 17:39:36,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1964349028, now seen corresponding path program 1 times [2020-10-11 17:39:36,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 17:39:36,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729209726] [2020-10-11 17:39:36,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 17:39:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 17:39:36,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 17:39:36,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729209726] [2020-10-11 17:39:36,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 17:39:36,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 17:39:36,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555867636] [2020-10-11 17:39:36,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 17:39:36,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 17:39:36,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 17:39:36,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-11 17:39:37,137 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 252 [2020-10-11 17:39:37,138 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 175 transitions, 589 flow. Second operand 6 states. [2020-10-11 17:39:37,138 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 17:39:37,139 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 252 [2020-10-11 17:39:37,139 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 17:39:50,946 INFO L129 PetriNetUnfolder]: 15259/83879 cut-off events. [2020-10-11 17:39:50,946 INFO L130 PetriNetUnfolder]: For 22174/22174 co-relation queries the response was YES. [2020-10-11 17:39:51,631 INFO L80 FinitePrefix]: Finished finitePrefix Result has 140258 conditions, 83879 events. 15259/83879 cut-off events. For 22174/22174 co-relation queries the response was YES. Maximal size of possible extension queue 3555. Compared 1459061 event pairs, 3508 based on Foata normal form. 69920/145087 useless extension candidates. Maximal degree in co-relation 140225. Up to 9974 conditions per place. [2020-10-11 17:39:51,867 INFO L132 encePairwiseOnDemand]: 209/252 looper letters, 26 selfloop transitions, 114 changer transitions 0/240 dead transitions. [2020-10-11 17:39:51,868 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 240 transitions, 999 flow [2020-10-11 17:39:51,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 17:39:51,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 17:39:51,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1554 transitions. [2020-10-11 17:39:51,871 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.6851851851851852 [2020-10-11 17:39:51,871 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1554 transitions. [2020-10-11 17:39:51,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1554 transitions. [2020-10-11 17:39:51,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 17:39:51,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1554 transitions. [2020-10-11 17:39:51,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 17:39:51,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 17:39:51,879 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 17:39:51,879 INFO L185 Difference]: Start difference. First operand has 158 places, 175 transitions, 589 flow. Second operand 9 states and 1554 transitions. [2020-10-11 17:39:51,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 240 transitions, 999 flow [2020-10-11 17:39:57,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 240 transitions, 961 flow, removed 15 selfloop flow, removed 1 redundant places. [2020-10-11 17:39:57,026 INFO L241 Difference]: Finished difference. Result has 167 places, 239 transitions, 984 flow [2020-10-11 17:39:57,027 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=984, PETRI_PLACES=167, PETRI_TRANSITIONS=239} [2020-10-11 17:39:57,027 INFO L341 CegarLoopForPetriNet]: 160 programPoint places, 7 predicate places. [2020-10-11 17:39:57,027 INFO L481 AbstractCegarLoop]: Abstraction has has 167 places, 239 transitions, 984 flow [2020-10-11 17:39:57,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 17:39:57,027 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 17:39:57,027 INFO L255 CegarLoopForPetriNet]: 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] [2020-10-11 17:39:57,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-11 17:39:57,028 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 17:39:57,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 17:39:57,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1275034031, now seen corresponding path program 1 times [2020-10-11 17:39:57,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 17:39:57,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183961842] [2020-10-11 17:39:57,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 17:39:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 17:39:57,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 17:39:57,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183961842] [2020-10-11 17:39:57,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 17:39:57,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 17:39:57,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352584243] [2020-10-11 17:39:57,058 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 17:39:57,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 17:39:57,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 17:39:57,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 17:39:57,692 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 252 [2020-10-11 17:39:57,693 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 239 transitions, 984 flow. Second operand 4 states. [2020-10-11 17:39:57,693 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 17:39:57,693 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 252 [2020-10-11 17:39:57,693 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 17:40:08,696 INFO L129 PetriNetUnfolder]: 17826/96591 cut-off events. [2020-10-11 17:40:08,696 INFO L130 PetriNetUnfolder]: For 51002/51548 co-relation queries the response was YES. [2020-10-11 17:40:09,480 INFO L80 FinitePrefix]: Finished finitePrefix Result has 174672 conditions, 96591 events. 17826/96591 cut-off events. For 51002/51548 co-relation queries the response was YES. Maximal size of possible extension queue 4085. Compared 1703933 event pairs, 3032 based on Foata normal form. 243/86555 useless extension candidates. Maximal degree in co-relation 174637. Up to 8595 conditions per place. [2020-10-11 17:40:09,767 INFO L132 encePairwiseOnDemand]: 243/252 looper letters, 35 selfloop transitions, 21 changer transitions 0/245 dead transitions. [2020-10-11 17:40:09,767 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 245 transitions, 1149 flow [2020-10-11 17:40:09,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 17:40:09,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-11 17:40:09,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 999 transitions. [2020-10-11 17:40:09,770 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7928571428571428 [2020-10-11 17:40:09,770 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 999 transitions. [2020-10-11 17:40:09,770 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 999 transitions. [2020-10-11 17:40:09,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 17:40:09,770 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 999 transitions. [2020-10-11 17:40:09,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-11 17:40:09,773 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-11 17:40:09,773 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-11 17:40:09,773 INFO L185 Difference]: Start difference. First operand has 167 places, 239 transitions, 984 flow. Second operand 5 states and 999 transitions. [2020-10-11 17:40:09,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 245 transitions, 1149 flow [2020-10-11 17:40:14,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 245 transitions, 1128 flow, removed 5 selfloop flow, removed 1 redundant places. [2020-10-11 17:40:14,764 INFO L241 Difference]: Finished difference. Result has 170 places, 244 transitions, 1091 flow [2020-10-11 17:40:14,765 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=955, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1091, PETRI_PLACES=170, PETRI_TRANSITIONS=244} [2020-10-11 17:40:14,765 INFO L341 CegarLoopForPetriNet]: 160 programPoint places, 10 predicate places. [2020-10-11 17:40:14,765 INFO L481 AbstractCegarLoop]: Abstraction has has 170 places, 244 transitions, 1091 flow [2020-10-11 17:40:14,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 17:40:14,765 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 17:40:14,766 INFO L255 CegarLoopForPetriNet]: 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] [2020-10-11 17:40:14,766 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-11 17:40:14,766 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 17:40:14,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 17:40:14,766 INFO L82 PathProgramCache]: Analyzing trace with hash 948418326, now seen corresponding path program 1 times [2020-10-11 17:40:14,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 17:40:14,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049548943] [2020-10-11 17:40:14,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 17:40:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 17:40:14,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 17:40:14,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049548943] [2020-10-11 17:40:14,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 17:40:14,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 17:40:14,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447764228] [2020-10-11 17:40:14,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 17:40:14,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 17:40:14,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 17:40:14,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 17:40:14,874 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 252 [2020-10-11 17:40:14,875 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 244 transitions, 1091 flow. Second operand 3 states. [2020-10-11 17:40:14,875 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 17:40:14,875 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 252 [2020-10-11 17:40:14,875 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 17:40:35,345 INFO L129 PetriNetUnfolder]: 26591/126821 cut-off events. [2020-10-11 17:40:35,345 INFO L130 PetriNetUnfolder]: For 63557/64140 co-relation queries the response was YES. [2020-10-11 17:40:36,502 INFO L80 FinitePrefix]: Finished finitePrefix Result has 239765 conditions, 126821 events. 26591/126821 cut-off events. For 63557/64140 co-relation queries the response was YES. Maximal size of possible extension queue 5360. Compared 2264577 event pairs, 4293 based on Foata normal form. 6865/126336 useless extension candidates. Maximal degree in co-relation 239729. Up to 12668 conditions per place. [2020-10-11 17:40:36,905 INFO L132 encePairwiseOnDemand]: 240/252 looper letters, 10 selfloop transitions, 7 changer transitions 0/249 dead transitions. [2020-10-11 17:40:36,905 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 249 transitions, 1135 flow [2020-10-11 17:40:36,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 17:40:36,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-11 17:40:36,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 664 transitions. [2020-10-11 17:40:36,907 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8783068783068783 [2020-10-11 17:40:36,907 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 664 transitions. [2020-10-11 17:40:36,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 664 transitions. [2020-10-11 17:40:36,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 17:40:36,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 664 transitions. [2020-10-11 17:40:36,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-11 17:40:36,910 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-11 17:40:36,910 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-11 17:40:36,911 INFO L185 Difference]: Start difference. First operand has 170 places, 244 transitions, 1091 flow. Second operand 3 states and 664 transitions. [2020-10-11 17:40:36,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 249 transitions, 1135 flow [2020-10-11 17:40:44,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 249 transitions, 1121 flow, removed 5 selfloop flow, removed 1 redundant places. [2020-10-11 17:40:44,499 INFO L241 Difference]: Finished difference. Result has 173 places, 249 transitions, 1135 flow [2020-10-11 17:40:44,500 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=1077, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1135, PETRI_PLACES=173, PETRI_TRANSITIONS=249} [2020-10-11 17:40:44,500 INFO L341 CegarLoopForPetriNet]: 160 programPoint places, 13 predicate places. [2020-10-11 17:40:44,500 INFO L481 AbstractCegarLoop]: Abstraction has has 173 places, 249 transitions, 1135 flow [2020-10-11 17:40:44,500 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 17:40:44,500 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 17:40:44,500 INFO L255 CegarLoopForPetriNet]: 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] [2020-10-11 17:40:44,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-11 17:40:44,500 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 17:40:44,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 17:40:44,501 INFO L82 PathProgramCache]: Analyzing trace with hash -992578865, now seen corresponding path program 1 times [2020-10-11 17:40:44,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 17:40:44,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979076857] [2020-10-11 17:40:44,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 17:40:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 17:40:44,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 17:40:44,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979076857] [2020-10-11 17:40:44,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 17:40:44,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 17:40:44,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581061514] [2020-10-11 17:40:44,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 17:40:44,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 17:40:44,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 17:40:44,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-11 17:40:44,737 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 252 [2020-10-11 17:40:44,737 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 249 transitions, 1135 flow. Second operand 4 states. [2020-10-11 17:40:44,737 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 17:40:44,738 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 252 [2020-10-11 17:40:44,738 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 17:41:02,850 INFO L129 PetriNetUnfolder]: 26591/123741 cut-off events. [2020-10-11 17:41:02,851 INFO L130 PetriNetUnfolder]: For 105612/106195 co-relation queries the response was YES. [2020-10-11 17:41:03,898 INFO L80 FinitePrefix]: Finished finitePrefix Result has 256624 conditions, 123741 events. 26591/123741 cut-off events. For 105612/106195 co-relation queries the response was YES. Maximal size of possible extension queue 5220. Compared 2188609 event pairs, 4293 based on Foata normal form. 1540/117931 useless extension candidates. Maximal degree in co-relation 256583. Up to 15363 conditions per place. [2020-10-11 17:41:04,265 INFO L132 encePairwiseOnDemand]: 240/252 looper letters, 47 selfloop transitions, 14 changer transitions 0/250 dead transitions. [2020-10-11 17:41:04,265 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 250 transitions, 1265 flow [2020-10-11 17:41:04,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-11 17:41:04,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-11 17:41:04,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 788 transitions. [2020-10-11 17:41:04,267 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7817460317460317 [2020-10-11 17:41:04,267 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 788 transitions. [2020-10-11 17:41:04,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 788 transitions. [2020-10-11 17:41:04,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 17:41:04,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 788 transitions. [2020-10-11 17:41:04,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2020-10-11 17:41:04,270 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 5 states. [2020-10-11 17:41:04,270 INFO L81 ComplementDD]: Finished complementDD. Result 5 states. [2020-10-11 17:41:04,270 INFO L185 Difference]: Start difference. First operand has 173 places, 249 transitions, 1135 flow. Second operand 4 states and 788 transitions. [2020-10-11 17:41:04,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 250 transitions, 1265 flow [2020-10-11 17:41:09,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 250 transitions, 1251 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-11 17:41:09,932 INFO L241 Difference]: Finished difference. Result has 175 places, 249 transitions, 1170 flow [2020-10-11 17:41:09,933 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=1121, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1170, PETRI_PLACES=175, PETRI_TRANSITIONS=249} [2020-10-11 17:41:09,933 INFO L341 CegarLoopForPetriNet]: 160 programPoint places, 15 predicate places. [2020-10-11 17:41:09,933 INFO L481 AbstractCegarLoop]: Abstraction has has 175 places, 249 transitions, 1170 flow [2020-10-11 17:41:09,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 17:41:09,933 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 17:41:09,933 INFO L255 CegarLoopForPetriNet]: 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] [2020-10-11 17:41:09,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-11 17:41:09,934 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 17:41:09,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 17:41:09,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1483688562, now seen corresponding path program 1 times [2020-10-11 17:41:09,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 17:41:09,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607281454] [2020-10-11 17:41:09,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 17:41:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 17:41:09,943 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 17:41:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 17:41:09,950 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 17:41:09,969 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-11 17:41:09,970 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-11 17:41:09,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-11 17:41:10,004 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 17:41:10,004 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 17:41:10,006 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 17:41:10,006 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 17:41:10,009 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 17:41:10,010 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 17:41:10,011 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 17:41:10,011 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 17:41:10,011 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 17:41:10,011 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 17:41:10,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 05:41:10 BasicIcfg [2020-10-11 17:41:10,086 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 17:41:10,090 INFO L168 Benchmark]: Toolchain (without parser) took 177187.71 ms. Allocated memory was 251.7 MB in the beginning and 5.2 GB in the end (delta: 5.0 GB). Free memory was 207.4 MB in the beginning and 2.1 GB in the end (delta: -1.8 GB). Peak memory consumption was 3.1 GB. Max. memory is 14.2 GB. [2020-10-11 17:41:10,091 INFO L168 Benchmark]: CDTParser took 1.36 ms. Allocated memory is still 251.7 MB. Free memory was 229.7 MB in the beginning and 228.9 MB in the end (delta: 839.2 kB). Peak memory consumption was 839.2 kB. Max. memory is 14.2 GB. [2020-10-11 17:41:10,092 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.25 ms. Allocated memory was 251.7 MB in the beginning and 315.1 MB in the end (delta: 63.4 MB). Free memory was 207.4 MB in the beginning and 270.8 MB in the end (delta: -63.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 14.2 GB. [2020-10-11 17:41:10,092 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.44 ms. Allocated memory is still 315.1 MB. Free memory was 270.8 MB in the beginning and 268.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 17:41:10,093 INFO L168 Benchmark]: Boogie Preprocessor took 47.59 ms. Allocated memory is still 315.1 MB. Free memory was 268.2 MB in the beginning and 266.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-11 17:41:10,094 INFO L168 Benchmark]: RCFGBuilder took 709.56 ms. Allocated memory is still 315.1 MB. Free memory was 266.6 MB in the beginning and 216.1 MB in the end (delta: 50.5 MB). Peak memory consumption was 50.5 MB. Max. memory is 14.2 GB. [2020-10-11 17:41:10,094 INFO L168 Benchmark]: TraceAbstraction took 175720.37 ms. Allocated memory was 315.1 MB in the beginning and 5.2 GB in the end (delta: 4.9 GB). Free memory was 216.1 MB in the beginning and 2.1 GB in the end (delta: -1.8 GB). Peak memory consumption was 3.1 GB. Max. memory is 14.2 GB. [2020-10-11 17:41:10,098 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36 ms. Allocated memory is still 251.7 MB. Free memory was 229.7 MB in the beginning and 228.9 MB in the end (delta: 839.2 kB). Peak memory consumption was 839.2 kB. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 650.25 ms. Allocated memory was 251.7 MB in the beginning and 315.1 MB in the end (delta: 63.4 MB). Free memory was 207.4 MB in the beginning and 270.8 MB in the end (delta: -63.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 54.44 ms. Allocated memory is still 315.1 MB. Free memory was 270.8 MB in the beginning and 268.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 47.59 ms. Allocated memory is still 315.1 MB. Free memory was 268.2 MB in the beginning and 266.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 709.56 ms. Allocated memory is still 315.1 MB. Free memory was 266.6 MB in the beginning and 216.1 MB in the end (delta: 50.5 MB). Peak memory consumption was 50.5 MB. Max. memory is 14.2 GB. * TraceAbstraction took 175720.37 ms. Allocated memory was 315.1 MB in the beginning and 5.2 GB in the end (delta: 4.9 GB). Free memory was 216.1 MB in the beginning and 2.1 GB in the end (delta: -1.8 GB). Peak memory consumption was 3.1 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 705]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L678] 0 int g0 = 0,g1 = 0,x = 0; VAL [g0=0, g1=0, x=0] [L679] 0 _Bool lock = 0; VAL [g0=0, g1=0, lock=0, x=0] [L680] 0 int mutex = 0; VAL [g0=0, g1=0, lock=0, mutex=0, x=0] [L724] 0 pthread_t t; VAL [g0=0, g1=0, lock=0, mutex=0, x=0] [L725] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) VAL [g0=0, g1=0, lock=0, mutex=0, x=0] [L717] CALL 1 __VERIFIER_atomic_acquire() [L683] CALL 1 assume_abort_if_not(mutex==0) [L4] COND FALSE 1 !(!cond) [L683] RET 1 assume_abort_if_not(mutex==0) [L684] 1 mutex = 1 [L717] RET 1 __VERIFIER_atomic_acquire() [L718] 1 g0=1 VAL [g0=1, g1=0, lock=0, mutex=1, x=0] [L718] 1 g1=1 VAL [g0=1, g1=1, lock=0, mutex=1, x=0] [L719] CALL 1 __VERIFIER_atomic_release() [L688] CALL 1 assume_abort_if_not(mutex==1) [L4] COND TRUE 1 !cond [L688] RET 1 assume_abort_if_not(mutex==1) [L689] 1 mutex = 0 [L719] RET 1 __VERIFIER_atomic_release() [L726] FCALL, FORK 0 pthread_create(&t, 0, thr2, 0) VAL [g0=1, g1=1, lock=0, mutex=0, x=0] [L727] COND TRUE 0 1 VAL [g0=1, g1=1, lock=0, mutex=0, x=0] [L729] FCALL, FORK 0 pthread_create(&t, 0, thr3, 0) VAL [g0=1, g1=1, lock=0, mutex=0, x=0] [L693] CALL 3 __VERIFIER_atomic_acquire() [L683] CALL 3 assume_abort_if_not(mutex==0) [L4] COND FALSE 3 !(!cond) [L683] RET 3 assume_abort_if_not(mutex==0) [L684] 3 mutex = 1 [L693] RET 3 __VERIFIER_atomic_acquire() [L694] COND TRUE 3 __VERIFIER_nondet_int() VAL [g0=1, g1=1, lock=0, mutex=1, x=0] [L696] 3 g0=0 VAL [g0=0, g1=1, lock=0, mutex=1, x=0] [L697] 3 g1=0 VAL [g0=0, g1=0, lock=0, mutex=1, x=0] [L698] 3 lock=0 VAL [g0=0, g1=0, lock=0, mutex=1, x=0] [L700] CALL 3 __VERIFIER_atomic_release() [L688] CALL 3 assume_abort_if_not(mutex==1) [L4] COND FALSE 3 !(!cond) [L688] RET 3 assume_abort_if_not(mutex==1) [L689] 3 mutex = 0 [L700] RET 3 __VERIFIER_atomic_release() [L701] CALL 3 __VERIFIER_atomic_acquire() [L683] CALL 3 assume_abort_if_not(mutex==0) [L4] COND FALSE 3 !(!cond) [L683] RET 3 assume_abort_if_not(mutex==0) [L684] 3 mutex = 1 [L701] RET 3 __VERIFIER_atomic_acquire() [L720] 1 lock=1 VAL [g0=0, g1=0, lock=1, mutex=1, x=0] [L702] COND TRUE 3 \read(lock) VAL [g0=0, g1=0, lock=1, mutex=1, x=0] [L704] 3 x=1 VAL [g0=0, g1=0, lock=1, mutex=1, x=1] [L705] COND TRUE 3 !(g0==1 && g1==1) VAL [g0=0, g1=0, lock=1, mutex=1, x=1] [L705] 3 __VERIFIER_error() VAL [g0=0, g1=0, lock=1, mutex=1, x=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 65 locations, 2 error locations. Started 5 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 175.2s, OverallIterations: 23, TraceHistogramMax: 5, AutomataDifference: 173.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 878 SDtfs, 708 SDslu, 638 SDs, 0 SdLazy, 1970 SolverSat, 715 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1170occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 619 NumberOfCodeBlocks, 619 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 441 ConstructedInterpolants, 0 QuantifiedInterpolants, 27097 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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 proved your program to be incorrect! Received shutdown request...