/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix021_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 18:44:48,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 18:44:48,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 18:44:48,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 18:44:48,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 18:44:48,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 18:44:48,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 18:44:48,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 18:44:48,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 18:44:48,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 18:44:48,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 18:44:48,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 18:44:48,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 18:44:48,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 18:44:48,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 18:44:48,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 18:44:48,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 18:44:48,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 18:44:48,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 18:44:48,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 18:44:48,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 18:44:48,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 18:44:48,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 18:44:48,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 18:44:48,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 18:44:48,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 18:44:48,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 18:44:48,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 18:44:48,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 18:44:48,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 18:44:48,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 18:44:48,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 18:44:48,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 18:44:48,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 18:44:48,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 18:44:48,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 18:44:48,808 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 18:44:48,859 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 18:44:48,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 18:44:48,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 18:44:48,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 18:44:48,865 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 18:44:48,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 18:44:48,866 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 18:44:48,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 18:44:48,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 18:44:48,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 18:44:48,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 18:44:48,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 18:44:48,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 18:44:48,869 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 18:44:48,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 18:44:48,869 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 18:44:48,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 18:44:48,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 18:44:48,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 18:44:48,870 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 18:44:48,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 18:44:48,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 18:44:48,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 18:44:48,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 18:44:48,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 18:44:48,872 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 18:44:48,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 18:44:48,873 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 18:44:48,873 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 18:44:48,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 18:44:48,873 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 18:44:49,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 18:44:49,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 18:44:49,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 18:44:49,343 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 18:44:49,344 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 18:44:49,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix021_rmo.opt.i [2021-04-28 18:44:49,436 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/627a4dde2/99e29d2cf34f41ab9074a3a95a874cf4/FLAG63561901a [2021-04-28 18:44:50,111 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 18:44:50,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix021_rmo.opt.i [2021-04-28 18:44:50,132 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/627a4dde2/99e29d2cf34f41ab9074a3a95a874cf4/FLAG63561901a [2021-04-28 18:44:50,411 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/627a4dde2/99e29d2cf34f41ab9074a3a95a874cf4 [2021-04-28 18:44:50,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 18:44:50,460 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 18:44:50,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 18:44:50,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 18:44:50,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 18:44:50,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:44:50" (1/1) ... [2021-04-28 18:44:50,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f0b8daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:44:50, skipping insertion in model container [2021-04-28 18:44:50,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:44:50" (1/1) ... [2021-04-28 18:44:50,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 18:44:50,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 18:44:50,688 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix021_rmo.opt.i[948,961] [2021-04-28 18:44:50,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:44:50,978 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 18:44:50,999 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix021_rmo.opt.i[948,961] [2021-04-28 18:44:51,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:44:51,239 INFO L208 MainTranslator]: Completed translation [2021-04-28 18:44:51,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:44:51 WrapperNode [2021-04-28 18:44:51,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 18:44:51,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 18:44:51,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 18:44:51,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 18:44:51,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:44:51" (1/1) ... [2021-04-28 18:44:51,271 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:44:51" (1/1) ... [2021-04-28 18:44:51,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 18:44:51,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 18:44:51,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 18:44:51,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 18:44:51,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:44:51" (1/1) ... [2021-04-28 18:44:51,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:44:51" (1/1) ... [2021-04-28 18:44:51,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:44:51" (1/1) ... [2021-04-28 18:44:51,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:44:51" (1/1) ... [2021-04-28 18:44:51,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:44:51" (1/1) ... [2021-04-28 18:44:51,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:44:51" (1/1) ... [2021-04-28 18:44:51,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:44:51" (1/1) ... [2021-04-28 18:44:51,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 18:44:51,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 18:44:51,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 18:44:51,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 18:44:51,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:44:51" (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 [2021-04-28 18:44:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 18:44:51,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 18:44:51,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 18:44:51,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 18:44:51,525 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 18:44:51,525 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 18:44:51,526 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 18:44:51,526 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 18:44:51,526 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 18:44:51,526 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 18:44:51,526 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 18:44:51,527 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 18:44:51,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 18:44:51,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 18:44:51,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 18:44:51,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 18:44:51,530 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 18:44:53,792 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 18:44:53,792 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 18:44:53,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:44:53 BoogieIcfgContainer [2021-04-28 18:44:53,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 18:44:53,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 18:44:53,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 18:44:53,800 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 18:44:53,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 06:44:50" (1/3) ... [2021-04-28 18:44:53,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ffa5e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:44:53, skipping insertion in model container [2021-04-28 18:44:53,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:44:51" (2/3) ... [2021-04-28 18:44:53,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ffa5e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:44:53, skipping insertion in model container [2021-04-28 18:44:53,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:44:53" (3/3) ... [2021-04-28 18:44:53,804 INFO L111 eAbstractionObserver]: Analyzing ICFG mix021_rmo.opt.i [2021-04-28 18:44:53,811 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 18:44:53,816 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 18:44:53,817 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 18:44:53,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,865 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,865 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,865 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,866 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,866 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,866 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,866 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,866 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,867 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,867 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,867 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,867 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,867 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,867 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,868 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,868 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,868 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,868 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,868 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,869 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,869 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,869 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,870 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,870 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,872 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,872 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,872 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,872 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,872 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,872 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,872 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,873 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,873 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,873 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,873 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,873 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,873 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,874 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,874 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,874 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,874 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,874 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,874 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,874 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,875 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,875 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,875 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,875 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,875 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,875 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,875 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,876 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,876 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,879 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,879 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,879 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,879 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,879 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,879 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,880 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,880 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,880 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,880 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,880 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,880 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,880 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,881 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,881 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,881 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,881 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,881 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,881 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,881 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,882 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,882 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,882 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,882 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,882 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,882 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,883 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,883 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,883 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,886 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,886 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,886 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,886 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,886 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,886 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,887 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,887 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,887 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,887 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,888 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,888 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,889 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,889 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,889 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,889 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,889 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,889 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,889 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,890 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,890 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,890 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,890 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,890 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,890 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,890 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,890 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,891 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,891 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,891 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,891 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,891 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,891 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,891 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,892 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,892 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,892 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,892 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,892 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,892 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,892 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,893 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,893 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,893 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,893 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,893 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,893 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,893 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,893 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,894 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,895 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,895 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,895 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,896 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,896 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,896 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,896 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,896 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,896 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,896 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,897 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,897 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,897 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,897 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,897 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,897 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,897 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,897 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,898 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,898 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,898 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,898 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,898 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,898 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,898 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,899 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,899 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,899 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,899 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,899 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,899 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,899 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,900 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,900 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,900 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,900 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,900 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,900 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,902 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,902 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,903 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,903 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,903 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,903 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,903 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,903 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,904 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,904 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,904 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,904 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,904 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,904 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,907 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,908 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,910 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,910 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,910 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,910 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,911 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,912 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,917 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,917 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,919 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,919 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,919 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,919 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,919 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,919 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,920 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,920 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,920 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,920 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,920 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,920 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,923 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,923 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,923 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,923 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:44:53,924 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 18:44:53,948 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 18:44:53,972 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 18:44:53,973 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 18:44:53,973 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 18:44:53,973 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 18:44:53,973 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 18:44:53,973 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 18:44:53,973 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 18:44:53,973 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 18:44:53,987 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 114 transitions, 248 flow [2021-04-28 18:44:54,037 INFO L129 PetriNetUnfolder]: 2/110 cut-off events. [2021-04-28 18:44:54,038 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:44:54,043 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 110 events. 2/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2021-04-28 18:44:54,043 INFO L82 GeneralOperation]: Start removeDead. Operand has 125 places, 114 transitions, 248 flow [2021-04-28 18:44:54,049 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 121 places, 110 transitions, 232 flow [2021-04-28 18:44:54,051 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:44:54,067 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 110 transitions, 232 flow [2021-04-28 18:44:54,071 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 110 transitions, 232 flow [2021-04-28 18:44:54,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 121 places, 110 transitions, 232 flow [2021-04-28 18:44:54,099 INFO L129 PetriNetUnfolder]: 2/110 cut-off events. [2021-04-28 18:44:54,099 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:44:54,100 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 110 events. 2/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 78 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2021-04-28 18:44:54,105 INFO L146 LiptonReduction]: Number of co-enabled transitions 2394 [2021-04-28 18:44:57,337 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 18:44:57,449 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 18:44:58,026 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 90 [2021-04-28 18:44:58,244 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 18:44:58,765 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 18:45:07,185 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-04-28 18:45:13,883 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:45:14,739 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:45:14,846 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:45:14,955 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:45:15,060 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:45:15,167 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:45:16,434 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 18:45:16,571 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 18:45:16,707 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 18:45:16,841 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 18:45:16,954 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 18:45:17,077 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 18:45:17,204 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 18:45:17,373 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 18:45:19,010 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:45:19,188 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:45:19,377 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:45:19,561 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:45:19,697 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:45:19,842 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:45:19,985 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:45:20,159 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:45:20,340 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:45:20,518 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:45:20,694 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:45:20,868 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:45:21,038 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:45:21,211 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:45:21,383 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:45:21,553 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:45:21,713 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:45:21,873 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:45:22,029 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:45:22,179 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:45:22,312 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:45:22,446 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:45:22,581 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:45:22,717 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:45:22,886 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:45:23,056 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:45:23,253 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:45:23,411 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:45:23,540 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:45:23,668 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:45:23,803 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:45:23,932 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:45:24,143 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:45:24,253 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:45:24,364 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:45:24,484 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:45:24,601 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:45:24,725 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:45:24,848 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:45:24,968 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:45:25,090 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:45:25,205 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:45:25,322 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:45:25,455 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:45:25,585 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:45:25,720 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:45:25,855 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:45:26,008 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:45:26,167 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:45:26,349 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:45:26,497 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:45:26,625 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:45:26,748 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:45:26,874 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:45:26,996 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:45:27,133 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:45:27,272 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:45:27,415 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:45:27,562 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:45:27,691 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:45:27,821 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:45:27,946 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:45:28,070 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:45:28,315 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:45:28,509 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:45:28,704 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:45:28,897 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:45:29,081 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:45:29,299 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:45:29,515 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:45:29,726 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:45:29,939 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:45:30,152 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:45:30,364 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:45:30,559 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:45:31,036 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 18:45:31,268 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 18:45:31,745 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 18:45:31,968 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 18:45:32,162 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:45:32,362 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:45:32,554 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:45:32,750 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:45:33,270 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 18:45:33,502 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-04-28 18:45:34,000 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 18:45:34,233 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-04-28 18:45:34,344 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:45:34,459 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:45:34,575 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:45:34,687 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:45:34,749 INFO L158 LiptonReduction]: Checked pairs total: 23404 [2021-04-28 18:45:34,749 INFO L160 LiptonReduction]: Total number of compositions: 269 [2021-04-28 18:45:34,754 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 40705 [2021-04-28 18:45:34,780 INFO L129 PetriNetUnfolder]: 0/92 cut-off events. [2021-04-28 18:45:34,780 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:45:34,781 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:45:34,781 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:45:34,782 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:45:34,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:45:34,788 INFO L82 PathProgramCache]: Analyzing trace with hash 531901949, now seen corresponding path program 1 times [2021-04-28 18:45:34,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:45:34,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143073704] [2021-04-28 18:45:34,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:45:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:45:35,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:45:35,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:45:35,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:45:35,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143073704] [2021-04-28 18:45:35,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:45:35,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:45:35,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745172264] [2021-04-28 18:45:35,084 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:45:35,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:45:35,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:45:35,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:45:35,104 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 383 [2021-04-28 18:45:35,110 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 137 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 315.6666666666667) internal successors, (947), 3 states have internal predecessors, (947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:35,110 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:45:35,110 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 383 [2021-04-28 18:45:35,112 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:45:35,209 INFO L129 PetriNetUnfolder]: 13/171 cut-off events. [2021-04-28 18:45:35,210 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:45:35,211 INFO L84 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 171 events. 13/171 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 991 event pairs, 1 based on Foata normal form. 15/70 useless extension candidates. Maximal degree in co-relation 148. Up to 25 conditions per place. [2021-04-28 18:45:35,213 INFO L132 encePairwiseOnDemand]: 368/383 looper letters, 6 selfloop transitions, 2 changer transitions 61/135 dead transitions. [2021-04-28 18:45:35,213 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 135 transitions, 316 flow [2021-04-28 18:45:35,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:45:35,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:45:35,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions. [2021-04-28 18:45:35,233 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8433420365535248 [2021-04-28 18:45:35,234 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 969 transitions. [2021-04-28 18:45:35,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 969 transitions. [2021-04-28 18:45:35,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:45:35,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 969 transitions. [2021-04-28 18:45:35,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 323.0) internal successors, (969), 3 states have internal predecessors, (969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:35,263 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 383.0) internal successors, (1532), 4 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:35,264 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 383.0) internal successors, (1532), 4 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:35,266 INFO L185 Difference]: Start difference. First operand has 149 places, 137 transitions, 286 flow. Second operand 3 states and 969 transitions. [2021-04-28 18:45:35,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 135 transitions, 316 flow [2021-04-28 18:45:35,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 135 transitions, 312 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 18:45:35,275 INFO L241 Difference]: Finished difference. Result has 144 places, 72 transitions, 156 flow [2021-04-28 18:45:35,277 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=156, PETRI_PLACES=144, PETRI_TRANSITIONS=72} [2021-04-28 18:45:35,278 INFO L343 CegarLoopForPetriNet]: 149 programPoint places, -5 predicate places. [2021-04-28 18:45:35,278 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:45:35,279 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 72 transitions, 156 flow [2021-04-28 18:45:35,280 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 144 places, 72 transitions, 156 flow [2021-04-28 18:45:35,281 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 72 transitions, 156 flow [2021-04-28 18:45:35,298 INFO L129 PetriNetUnfolder]: 0/72 cut-off events. [2021-04-28 18:45:35,298 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:45:35,301 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 72 events. 0/72 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 322 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 18:45:35,303 INFO L146 LiptonReduction]: Number of co-enabled transitions 2624 [2021-04-28 18:45:35,434 INFO L158 LiptonReduction]: Checked pairs total: 3504 [2021-04-28 18:45:35,434 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:45:35,434 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 156 [2021-04-28 18:45:35,436 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 72 transitions, 156 flow [2021-04-28 18:45:35,438 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 315.6666666666667) internal successors, (947), 3 states have internal predecessors, (947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:35,438 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:45:35,438 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:45:35,438 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 18:45:35,438 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:45:35,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:45:35,439 INFO L82 PathProgramCache]: Analyzing trace with hash 56748333, now seen corresponding path program 1 times [2021-04-28 18:45:35,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:45:35,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922425395] [2021-04-28 18:45:35,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:45:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:45:35,620 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 18:45:35,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 18:45:35,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:45:35,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922425395] [2021-04-28 18:45:35,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:45:35,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:45:35,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438802801] [2021-04-28 18:45:35,634 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:45:35,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:45:35,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:45:35,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:45:35,637 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 383 [2021-04-28 18:45:35,638 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 72 transitions, 156 flow. Second operand has 3 states, 3 states have (on average 237.66666666666666) internal successors, (713), 3 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:35,639 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:45:35,639 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 383 [2021-04-28 18:45:35,639 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:45:38,208 INFO L129 PetriNetUnfolder]: 5951/14073 cut-off events. [2021-04-28 18:45:38,208 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:45:38,264 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22688 conditions, 14073 events. 5951/14073 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2091. Compared 170278 event pairs, 1907 based on Foata normal form. 0/8523 useless extension candidates. Maximal degree in co-relation 22679. Up to 4993 conditions per place. [2021-04-28 18:45:38,286 INFO L132 encePairwiseOnDemand]: 359/383 looper letters, 8 selfloop transitions, 8 changer transitions 50/103 dead transitions. [2021-04-28 18:45:38,286 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 103 transitions, 350 flow [2021-04-28 18:45:38,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:45:38,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:45:38,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 774 transitions. [2021-04-28 18:45:38,289 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6736292428198434 [2021-04-28 18:45:38,289 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 774 transitions. [2021-04-28 18:45:38,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 774 transitions. [2021-04-28 18:45:38,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:45:38,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 774 transitions. [2021-04-28 18:45:38,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:38,296 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 383.0) internal successors, (1532), 4 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:38,297 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 383.0) internal successors, (1532), 4 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:38,297 INFO L185 Difference]: Start difference. First operand has 83 places, 72 transitions, 156 flow. Second operand 3 states and 774 transitions. [2021-04-28 18:45:38,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 103 transitions, 350 flow [2021-04-28 18:45:38,299 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 103 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:45:38,301 INFO L241 Difference]: Finished difference. Result has 85 places, 53 transitions, 162 flow [2021-04-28 18:45:38,301 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=162, PETRI_PLACES=85, PETRI_TRANSITIONS=53} [2021-04-28 18:45:38,302 INFO L343 CegarLoopForPetriNet]: 149 programPoint places, -64 predicate places. [2021-04-28 18:45:38,302 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:45:38,302 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 53 transitions, 162 flow [2021-04-28 18:45:38,303 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 53 transitions, 162 flow [2021-04-28 18:45:38,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 53 transitions, 162 flow [2021-04-28 18:45:38,416 INFO L129 PetriNetUnfolder]: 276/821 cut-off events. [2021-04-28 18:45:38,416 INFO L130 PetriNetUnfolder]: For 96/117 co-relation queries the response was YES. [2021-04-28 18:45:38,420 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1481 conditions, 821 events. 276/821 cut-off events. For 96/117 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 6435 event pairs, 114 based on Foata normal form. 0/561 useless extension candidates. Maximal degree in co-relation 1472. Up to 325 conditions per place. [2021-04-28 18:45:38,437 INFO L146 LiptonReduction]: Number of co-enabled transitions 1600 [2021-04-28 18:45:38,461 INFO L158 LiptonReduction]: Checked pairs total: 465 [2021-04-28 18:45:38,461 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:45:38,461 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 159 [2021-04-28 18:45:38,467 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 53 transitions, 162 flow [2021-04-28 18:45:38,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 237.66666666666666) internal successors, (713), 3 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:38,468 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:45:38,468 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:45:38,468 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 18:45:38,469 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:45:38,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:45:38,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1902715661, now seen corresponding path program 1 times [2021-04-28 18:45:38,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:45:38,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11659256] [2021-04-28 18:45:38,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:45:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:45:38,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:45:38,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:45:38,582 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 18:45:38,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 18:45:38,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:45:38,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11659256] [2021-04-28 18:45:38,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:45:38,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 18:45:38,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153672228] [2021-04-28 18:45:38,593 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:45:38,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:45:38,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:45:38,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:45:38,596 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 383 [2021-04-28 18:45:38,597 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 53 transitions, 162 flow. Second operand has 4 states, 4 states have (on average 237.75) internal successors, (951), 4 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:38,598 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:45:38,598 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 383 [2021-04-28 18:45:38,598 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:45:38,760 INFO L129 PetriNetUnfolder]: 231/768 cut-off events. [2021-04-28 18:45:38,760 INFO L130 PetriNetUnfolder]: For 123/635 co-relation queries the response was YES. [2021-04-28 18:45:38,764 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1721 conditions, 768 events. 231/768 cut-off events. For 123/635 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 5980 event pairs, 54 based on Foata normal form. 12/529 useless extension candidates. Maximal degree in co-relation 1710. Up to 278 conditions per place. [2021-04-28 18:45:38,770 INFO L132 encePairwiseOnDemand]: 374/383 looper letters, 16 selfloop transitions, 12 changer transitions 0/65 dead transitions. [2021-04-28 18:45:38,771 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 65 transitions, 278 flow [2021-04-28 18:45:38,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:45:38,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:45:38,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 971 transitions. [2021-04-28 18:45:38,774 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6338120104438643 [2021-04-28 18:45:38,774 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 971 transitions. [2021-04-28 18:45:38,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 971 transitions. [2021-04-28 18:45:38,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:45:38,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 971 transitions. [2021-04-28 18:45:38,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 242.75) internal successors, (971), 4 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:38,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 383.0) internal successors, (1915), 5 states have internal predecessors, (1915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:38,784 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 383.0) internal successors, (1915), 5 states have internal predecessors, (1915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:38,784 INFO L185 Difference]: Start difference. First operand has 59 places, 53 transitions, 162 flow. Second operand 4 states and 971 transitions. [2021-04-28 18:45:38,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 65 transitions, 278 flow [2021-04-28 18:45:38,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 65 transitions, 250 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:45:38,789 INFO L241 Difference]: Finished difference. Result has 63 places, 61 transitions, 240 flow [2021-04-28 18:45:38,790 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=240, PETRI_PLACES=63, PETRI_TRANSITIONS=61} [2021-04-28 18:45:38,790 INFO L343 CegarLoopForPetriNet]: 149 programPoint places, -86 predicate places. [2021-04-28 18:45:38,790 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:45:38,790 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 61 transitions, 240 flow [2021-04-28 18:45:38,791 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 61 transitions, 240 flow [2021-04-28 18:45:38,791 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 61 transitions, 240 flow [2021-04-28 18:45:38,897 INFO L129 PetriNetUnfolder]: 231/758 cut-off events. [2021-04-28 18:45:38,897 INFO L130 PetriNetUnfolder]: For 331/429 co-relation queries the response was YES. [2021-04-28 18:45:38,901 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1573 conditions, 758 events. 231/758 cut-off events. For 331/429 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 6014 event pairs, 73 based on Foata normal form. 1/506 useless extension candidates. Maximal degree in co-relation 1561. Up to 278 conditions per place. [2021-04-28 18:45:38,918 INFO L146 LiptonReduction]: Number of co-enabled transitions 1934 [2021-04-28 18:45:39,009 INFO L158 LiptonReduction]: Checked pairs total: 630 [2021-04-28 18:45:39,009 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:45:39,010 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 220 [2021-04-28 18:45:39,012 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 61 transitions, 240 flow [2021-04-28 18:45:39,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 237.75) internal successors, (951), 4 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:39,013 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:45:39,013 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:45:39,013 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 18:45:39,013 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:45:39,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:45:39,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1759195308, now seen corresponding path program 1 times [2021-04-28 18:45:39,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:45:39,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74528585] [2021-04-28 18:45:39,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:45:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:45:39,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:45:39,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:45:39,074 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 18:45:39,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 18:45:39,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:45:39,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74528585] [2021-04-28 18:45:39,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:45:39,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 18:45:39,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058099701] [2021-04-28 18:45:39,088 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:45:39,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:45:39,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:45:39,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:45:39,091 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 383 [2021-04-28 18:45:39,092 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 61 transitions, 240 flow. Second operand has 4 states, 4 states have (on average 237.75) internal successors, (951), 4 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:39,092 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:45:39,093 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 383 [2021-04-28 18:45:39,093 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:45:39,250 INFO L129 PetriNetUnfolder]: 205/701 cut-off events. [2021-04-28 18:45:39,251 INFO L130 PetriNetUnfolder]: For 384/1103 co-relation queries the response was YES. [2021-04-28 18:45:39,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1781 conditions, 701 events. 205/701 cut-off events. For 384/1103 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 5368 event pairs, 53 based on Foata normal form. 18/490 useless extension candidates. Maximal degree in co-relation 1767. Up to 246 conditions per place. [2021-04-28 18:45:39,261 INFO L132 encePairwiseOnDemand]: 374/383 looper letters, 16 selfloop transitions, 19 changer transitions 0/72 dead transitions. [2021-04-28 18:45:39,261 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 72 transitions, 372 flow [2021-04-28 18:45:39,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:45:39,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:45:39,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 971 transitions. [2021-04-28 18:45:39,265 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6338120104438643 [2021-04-28 18:45:39,265 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 971 transitions. [2021-04-28 18:45:39,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 971 transitions. [2021-04-28 18:45:39,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:45:39,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 971 transitions. [2021-04-28 18:45:39,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 242.75) internal successors, (971), 4 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:39,274 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 383.0) internal successors, (1915), 5 states have internal predecessors, (1915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:39,276 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 383.0) internal successors, (1915), 5 states have internal predecessors, (1915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:39,276 INFO L185 Difference]: Start difference. First operand has 63 places, 61 transitions, 240 flow. Second operand 4 states and 971 transitions. [2021-04-28 18:45:39,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 72 transitions, 372 flow [2021-04-28 18:45:39,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 72 transitions, 372 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 18:45:39,282 INFO L241 Difference]: Finished difference. Result has 68 places, 68 transitions, 352 flow [2021-04-28 18:45:39,282 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=352, PETRI_PLACES=68, PETRI_TRANSITIONS=68} [2021-04-28 18:45:39,283 INFO L343 CegarLoopForPetriNet]: 149 programPoint places, -81 predicate places. [2021-04-28 18:45:39,283 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:45:39,283 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 68 transitions, 352 flow [2021-04-28 18:45:39,283 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 68 transitions, 352 flow [2021-04-28 18:45:39,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 68 transitions, 352 flow [2021-04-28 18:45:39,386 INFO L129 PetriNetUnfolder]: 205/673 cut-off events. [2021-04-28 18:45:39,387 INFO L130 PetriNetUnfolder]: For 735/937 co-relation queries the response was YES. [2021-04-28 18:45:39,391 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1734 conditions, 673 events. 205/673 cut-off events. For 735/937 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 5165 event pairs, 39 based on Foata normal form. 0/456 useless extension candidates. Maximal degree in co-relation 1718. Up to 246 conditions per place. [2021-04-28 18:45:39,409 INFO L146 LiptonReduction]: Number of co-enabled transitions 2186 [2021-04-28 18:45:39,423 INFO L158 LiptonReduction]: Checked pairs total: 870 [2021-04-28 18:45:39,423 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:45:39,423 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 140 [2021-04-28 18:45:39,425 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 68 transitions, 352 flow [2021-04-28 18:45:39,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 237.75) internal successors, (951), 4 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:39,426 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:45:39,426 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:45:39,426 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 18:45:39,426 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:45:39,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:45:39,427 INFO L82 PathProgramCache]: Analyzing trace with hash 190724448, now seen corresponding path program 1 times [2021-04-28 18:45:39,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:45:39,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711743115] [2021-04-28 18:45:39,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:45:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:45:39,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:45:39,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:45:39,491 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 18:45:39,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 18:45:39,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:45:39,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711743115] [2021-04-28 18:45:39,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:45:39,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 18:45:39,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107675181] [2021-04-28 18:45:39,509 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:45:39,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:45:39,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:45:39,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:45:39,511 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 383 [2021-04-28 18:45:39,513 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 68 transitions, 352 flow. Second operand has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:39,513 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:45:39,513 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 383 [2021-04-28 18:45:39,513 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:45:39,675 INFO L129 PetriNetUnfolder]: 173/562 cut-off events. [2021-04-28 18:45:39,675 INFO L130 PetriNetUnfolder]: For 921/1821 co-relation queries the response was YES. [2021-04-28 18:45:39,679 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1788 conditions, 562 events. 173/562 cut-off events. For 921/1821 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 3885 event pairs, 12 based on Foata normal form. 6/398 useless extension candidates. Maximal degree in co-relation 1770. Up to 210 conditions per place. [2021-04-28 18:45:39,684 INFO L132 encePairwiseOnDemand]: 374/383 looper letters, 30 selfloop transitions, 18 changer transitions 0/85 dead transitions. [2021-04-28 18:45:39,685 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 85 transitions, 600 flow [2021-04-28 18:45:39,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:45:39,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:45:39,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 969 transitions. [2021-04-28 18:45:39,689 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6325065274151436 [2021-04-28 18:45:39,689 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 969 transitions. [2021-04-28 18:45:39,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 969 transitions. [2021-04-28 18:45:39,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:45:39,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 969 transitions. [2021-04-28 18:45:39,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 242.25) internal successors, (969), 4 states have internal predecessors, (969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:39,696 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 383.0) internal successors, (1915), 5 states have internal predecessors, (1915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:39,697 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 383.0) internal successors, (1915), 5 states have internal predecessors, (1915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:39,698 INFO L185 Difference]: Start difference. First operand has 68 places, 68 transitions, 352 flow. Second operand 4 states and 969 transitions. [2021-04-28 18:45:39,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 85 transitions, 600 flow [2021-04-28 18:45:39,702 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 85 transitions, 600 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 18:45:39,705 INFO L241 Difference]: Finished difference. Result has 74 places, 78 transitions, 553 flow [2021-04-28 18:45:39,705 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=553, PETRI_PLACES=74, PETRI_TRANSITIONS=78} [2021-04-28 18:45:39,705 INFO L343 CegarLoopForPetriNet]: 149 programPoint places, -75 predicate places. [2021-04-28 18:45:39,705 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:45:39,705 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 78 transitions, 553 flow [2021-04-28 18:45:39,706 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 78 transitions, 553 flow [2021-04-28 18:45:39,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 78 transitions, 553 flow [2021-04-28 18:45:39,790 INFO L129 PetriNetUnfolder]: 173/574 cut-off events. [2021-04-28 18:45:39,790 INFO L130 PetriNetUnfolder]: For 1332/1488 co-relation queries the response was YES. [2021-04-28 18:45:39,794 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1802 conditions, 574 events. 173/574 cut-off events. For 1332/1488 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4184 event pairs, 33 based on Foata normal form. 1/396 useless extension candidates. Maximal degree in co-relation 1781. Up to 210 conditions per place. [2021-04-28 18:45:39,807 INFO L146 LiptonReduction]: Number of co-enabled transitions 2514 [2021-04-28 18:45:39,833 INFO L158 LiptonReduction]: Checked pairs total: 1073 [2021-04-28 18:45:39,833 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:45:39,833 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 128 [2021-04-28 18:45:39,839 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 78 transitions, 553 flow [2021-04-28 18:45:39,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:39,840 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:45:39,840 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:45:39,840 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 18:45:39,840 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:45:39,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:45:39,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1015303360, now seen corresponding path program 1 times [2021-04-28 18:45:39,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:45:39,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042540527] [2021-04-28 18:45:39,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:45:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:45:39,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:45:39,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:45:39,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:45:39,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:45:39,984 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 18:45:39,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 18:45:39,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:45:39,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042540527] [2021-04-28 18:45:39,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:45:39,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:45:39,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909939736] [2021-04-28 18:45:39,998 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:45:39,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:45:39,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:45:39,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:45:40,000 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 383 [2021-04-28 18:45:40,002 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 78 transitions, 553 flow. Second operand has 4 states, 4 states have (on average 238.25) internal successors, (953), 4 states have internal predecessors, (953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:40,002 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:45:40,002 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 383 [2021-04-28 18:45:40,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:45:40,172 INFO L129 PetriNetUnfolder]: 171/666 cut-off events. [2021-04-28 18:45:40,172 INFO L130 PetriNetUnfolder]: For 1688/2689 co-relation queries the response was YES. [2021-04-28 18:45:40,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2293 conditions, 666 events. 171/666 cut-off events. For 1688/2689 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 5132 event pairs, 36 based on Foata normal form. 33/478 useless extension candidates. Maximal degree in co-relation 2270. Up to 222 conditions per place. [2021-04-28 18:45:40,183 INFO L132 encePairwiseOnDemand]: 374/383 looper letters, 15 selfloop transitions, 31 changer transitions 4/87 dead transitions. [2021-04-28 18:45:40,183 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 87 transitions, 755 flow [2021-04-28 18:45:40,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:45:40,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:45:40,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 970 transitions. [2021-04-28 18:45:40,187 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6331592689295039 [2021-04-28 18:45:40,187 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 970 transitions. [2021-04-28 18:45:40,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 970 transitions. [2021-04-28 18:45:40,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:45:40,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 970 transitions. [2021-04-28 18:45:40,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 242.5) internal successors, (970), 4 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:40,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 383.0) internal successors, (1915), 5 states have internal predecessors, (1915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:40,194 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 383.0) internal successors, (1915), 5 states have internal predecessors, (1915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:40,194 INFO L185 Difference]: Start difference. First operand has 74 places, 78 transitions, 553 flow. Second operand 4 states and 970 transitions. [2021-04-28 18:45:40,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 87 transitions, 755 flow [2021-04-28 18:45:40,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 87 transitions, 748 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:45:40,203 INFO L241 Difference]: Finished difference. Result has 79 places, 81 transitions, 728 flow [2021-04-28 18:45:40,204 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=728, PETRI_PLACES=79, PETRI_TRANSITIONS=81} [2021-04-28 18:45:40,204 INFO L343 CegarLoopForPetriNet]: 149 programPoint places, -70 predicate places. [2021-04-28 18:45:40,204 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:45:40,204 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 81 transitions, 728 flow [2021-04-28 18:45:40,204 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 81 transitions, 728 flow [2021-04-28 18:45:40,205 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 81 transitions, 728 flow [2021-04-28 18:45:40,316 INFO L129 PetriNetUnfolder]: 160/619 cut-off events. [2021-04-28 18:45:40,316 INFO L130 PetriNetUnfolder]: For 1982/2091 co-relation queries the response was YES. [2021-04-28 18:45:40,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2168 conditions, 619 events. 160/619 cut-off events. For 1982/2091 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4849 event pairs, 42 based on Foata normal form. 1/414 useless extension candidates. Maximal degree in co-relation 2143. Up to 214 conditions per place. [2021-04-28 18:45:40,334 INFO L146 LiptonReduction]: Number of co-enabled transitions 2626 [2021-04-28 18:45:40,342 INFO L158 LiptonReduction]: Checked pairs total: 1164 [2021-04-28 18:45:40,342 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:45:40,343 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 139 [2021-04-28 18:45:40,344 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 81 transitions, 728 flow [2021-04-28 18:45:40,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 238.25) internal successors, (953), 4 states have internal predecessors, (953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:40,345 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:45:40,345 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:45:40,345 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 18:45:40,345 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:45:40,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:45:40,346 INFO L82 PathProgramCache]: Analyzing trace with hash 828639783, now seen corresponding path program 1 times [2021-04-28 18:45:40,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:45:40,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569780720] [2021-04-28 18:45:40,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:45:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:45:40,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:45:40,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:45:40,442 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:45:40,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:45:40,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:45:40,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:45:40,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:45:40,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569780720] [2021-04-28 18:45:40,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:45:40,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:45:40,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517686960] [2021-04-28 18:45:40,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:45:40,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:45:40,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:45:40,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:45:40,459 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 383 [2021-04-28 18:45:40,460 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 81 transitions, 728 flow. Second operand has 4 states, 4 states have (on average 290.75) internal successors, (1163), 4 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:40,460 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:45:40,460 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 383 [2021-04-28 18:45:40,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:45:53,717 INFO L129 PetriNetUnfolder]: 81699/120913 cut-off events. [2021-04-28 18:45:53,717 INFO L130 PetriNetUnfolder]: For 13448/13939 co-relation queries the response was YES. [2021-04-28 18:45:54,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 247167 conditions, 120913 events. 81699/120913 cut-off events. For 13448/13939 co-relation queries the response was YES. Maximal size of possible extension queue 17460. Compared 1162703 event pairs, 43455 based on Foata normal form. 2218/36148 useless extension candidates. Maximal degree in co-relation 247140. Up to 77533 conditions per place. [2021-04-28 18:45:54,691 INFO L132 encePairwiseOnDemand]: 363/383 looper letters, 34 selfloop transitions, 33 changer transitions 0/125 dead transitions. [2021-04-28 18:45:54,691 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 125 transitions, 950 flow [2021-04-28 18:45:54,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:45:54,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:45:54,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1516 transitions. [2021-04-28 18:45:54,696 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.791644908616188 [2021-04-28 18:45:54,696 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1516 transitions. [2021-04-28 18:45:54,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1516 transitions. [2021-04-28 18:45:54,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:45:54,698 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1516 transitions. [2021-04-28 18:45:54,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 303.2) internal successors, (1516), 5 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:54,705 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 383.0) internal successors, (2298), 6 states have internal predecessors, (2298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:54,706 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 383.0) internal successors, (2298), 6 states have internal predecessors, (2298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:45:54,706 INFO L185 Difference]: Start difference. First operand has 79 places, 81 transitions, 728 flow. Second operand 5 states and 1516 transitions. [2021-04-28 18:45:54,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 125 transitions, 950 flow [2021-04-28 18:45:54,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 125 transitions, 948 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-04-28 18:45:54,737 INFO L241 Difference]: Finished difference. Result has 86 places, 112 transitions, 972 flow [2021-04-28 18:45:54,738 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=726, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=972, PETRI_PLACES=86, PETRI_TRANSITIONS=112} [2021-04-28 18:45:54,738 INFO L343 CegarLoopForPetriNet]: 149 programPoint places, -63 predicate places. [2021-04-28 18:45:54,738 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:45:54,738 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 112 transitions, 972 flow [2021-04-28 18:45:54,739 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 112 transitions, 972 flow [2021-04-28 18:45:54,740 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 112 transitions, 972 flow [2021-04-28 18:46:04,879 INFO L129 PetriNetUnfolder]: 66612/99228 cut-off events. [2021-04-28 18:46:04,879 INFO L130 PetriNetUnfolder]: For 27050/82620 co-relation queries the response was YES. [2021-04-28 18:46:05,315 INFO L84 FinitePrefix]: Finished finitePrefix Result has 286173 conditions, 99228 events. 66612/99228 cut-off events. For 27050/82620 co-relation queries the response was YES. Maximal size of possible extension queue 14308. Compared 957820 event pairs, 37909 based on Foata normal form. 37/30067 useless extension candidates. Maximal degree in co-relation 286143. Up to 94361 conditions per place. [2021-04-28 18:46:06,386 INFO L146 LiptonReduction]: Number of co-enabled transitions 4242 [2021-04-28 18:46:11,777 INFO L158 LiptonReduction]: Checked pairs total: 1719 [2021-04-28 18:46:11,777 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:46:11,777 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17039 [2021-04-28 18:46:11,779 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 112 transitions, 972 flow [2021-04-28 18:46:11,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 290.75) internal successors, (1163), 4 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:46:11,780 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:46:11,780 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:46:11,780 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 18:46:11,780 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:46:11,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:46:11,781 INFO L82 PathProgramCache]: Analyzing trace with hash -2078795583, now seen corresponding path program 1 times [2021-04-28 18:46:11,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:46:11,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279680055] [2021-04-28 18:46:11,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:46:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:46:11,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:46:11,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:46:11,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:46:11,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:46:11,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:46:11,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279680055] [2021-04-28 18:46:11,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:46:11,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 18:46:11,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638826369] [2021-04-28 18:46:11,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:46:11,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:46:11,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:46:11,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:46:11,852 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 383 [2021-04-28 18:46:11,853 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 112 transitions, 972 flow. Second operand has 3 states, 3 states have (on average 268.0) internal successors, (804), 3 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:46:11,853 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:46:11,853 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 383 [2021-04-28 18:46:11,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:46:29,269 INFO L129 PetriNetUnfolder]: 111611/164533 cut-off events. [2021-04-28 18:46:29,270 INFO L130 PetriNetUnfolder]: For 52008/457992 co-relation queries the response was YES. [2021-04-28 18:46:30,290 INFO L84 FinitePrefix]: Finished finitePrefix Result has 474355 conditions, 164533 events. 111611/164533 cut-off events. For 52008/457992 co-relation queries the response was YES. Maximal size of possible extension queue 23271. Compared 1625251 event pairs, 64388 based on Foata normal form. 643/47978 useless extension candidates. Maximal degree in co-relation 474323. Up to 157355 conditions per place. [2021-04-28 18:46:30,641 INFO L132 encePairwiseOnDemand]: 380/383 looper letters, 4 selfloop transitions, 14 changer transitions 1/112 dead transitions. [2021-04-28 18:46:30,642 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 112 transitions, 1010 flow [2021-04-28 18:46:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:46:30,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:46:30,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 807 transitions. [2021-04-28 18:46:30,645 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7023498694516971 [2021-04-28 18:46:30,645 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 807 transitions. [2021-04-28 18:46:30,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 807 transitions. [2021-04-28 18:46:30,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:46:30,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 807 transitions. [2021-04-28 18:46:30,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.0) internal successors, (807), 3 states have internal predecessors, (807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:46:30,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 383.0) internal successors, (1532), 4 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:46:30,654 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 383.0) internal successors, (1532), 4 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:46:30,654 INFO L185 Difference]: Start difference. First operand has 86 places, 112 transitions, 972 flow. Second operand 3 states and 807 transitions. [2021-04-28 18:46:30,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 112 transitions, 1010 flow [2021-04-28 18:46:30,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 112 transitions, 1010 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 18:46:30,968 INFO L241 Difference]: Finished difference. Result has 89 places, 111 transitions, 1001 flow [2021-04-28 18:46:30,968 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=972, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1001, PETRI_PLACES=89, PETRI_TRANSITIONS=111} [2021-04-28 18:46:30,968 INFO L343 CegarLoopForPetriNet]: 149 programPoint places, -60 predicate places. [2021-04-28 18:46:30,969 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:46:30,969 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 111 transitions, 1001 flow [2021-04-28 18:46:30,969 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 111 transitions, 1001 flow [2021-04-28 18:46:30,970 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 111 transitions, 1001 flow [2021-04-28 18:46:46,934 INFO L129 PetriNetUnfolder]: 105708/154983 cut-off events. [2021-04-28 18:46:46,935 INFO L130 PetriNetUnfolder]: For 41341/275111 co-relation queries the response was YES. [2021-04-28 18:46:48,091 INFO L84 FinitePrefix]: Finished finitePrefix Result has 446637 conditions, 154983 events. 105708/154983 cut-off events. For 41341/275111 co-relation queries the response was YES. Maximal size of possible extension queue 21890. Compared 1517029 event pairs, 61399 based on Foata normal form. 47/45207 useless extension candidates. Maximal degree in co-relation 446605. Up to 148775 conditions per place. [2021-04-28 18:46:49,351 INFO L146 LiptonReduction]: Number of co-enabled transitions 4196 [2021-04-28 18:46:52,866 INFO L158 LiptonReduction]: Checked pairs total: 1635 [2021-04-28 18:46:52,867 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:46:52,867 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21898 [2021-04-28 18:46:52,869 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 111 transitions, 1001 flow [2021-04-28 18:46:52,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 268.0) internal successors, (804), 3 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:46:52,869 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:46:52,869 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:46:52,870 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 18:46:52,870 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:46:52,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:46:52,870 INFO L82 PathProgramCache]: Analyzing trace with hash -643960448, now seen corresponding path program 1 times [2021-04-28 18:46:52,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:46:52,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126734790] [2021-04-28 18:46:52,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:46:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:46:52,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:46:52,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:46:52,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:46:52,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:46:52,944 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:46:52,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:46:52,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:46:52,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:46:52,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:46:52,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126734790] [2021-04-28 18:46:52,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:46:52,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:46:52,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503058312] [2021-04-28 18:46:52,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:46:52,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:46:52,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:46:52,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:46:52,958 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 383 [2021-04-28 18:46:52,959 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 111 transitions, 1001 flow. Second operand has 5 states, 5 states have (on average 290.8) internal successors, (1454), 5 states have internal predecessors, (1454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:46:52,959 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:46:52,960 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 383 [2021-04-28 18:46:52,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:47:20,053 INFO L129 PetriNetUnfolder]: 142412/217924 cut-off events. [2021-04-28 18:47:20,053 INFO L130 PetriNetUnfolder]: For 73806/1894212 co-relation queries the response was YES. [2021-04-28 18:47:21,399 INFO L84 FinitePrefix]: Finished finitePrefix Result has 841145 conditions, 217924 events. 142412/217924 cut-off events. For 73806/1894212 co-relation queries the response was YES. Maximal size of possible extension queue 34986. Compared 2313853 event pairs, 28805 based on Foata normal form. 3981/72078 useless extension candidates. Maximal degree in co-relation 841111. Up to 205115 conditions per place. [2021-04-28 18:47:21,927 INFO L132 encePairwiseOnDemand]: 363/383 looper letters, 35 selfloop transitions, 64 changer transitions 0/156 dead transitions. [2021-04-28 18:47:21,927 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 156 transitions, 1448 flow [2021-04-28 18:47:21,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 18:47:21,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 18:47:21,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2126 transitions. [2021-04-28 18:47:21,934 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7929876911600149 [2021-04-28 18:47:21,934 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2126 transitions. [2021-04-28 18:47:21,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2126 transitions. [2021-04-28 18:47:21,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:47:21,936 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2126 transitions. [2021-04-28 18:47:21,941 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 303.7142857142857) internal successors, (2126), 7 states have internal predecessors, (2126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:47:21,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 383.0) internal successors, (3064), 8 states have internal predecessors, (3064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:47:21,948 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 383.0) internal successors, (3064), 8 states have internal predecessors, (3064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:47:21,948 INFO L185 Difference]: Start difference. First operand has 89 places, 111 transitions, 1001 flow. Second operand 7 states and 2126 transitions. [2021-04-28 18:47:21,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 156 transitions, 1448 flow [2021-04-28 18:47:22,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 156 transitions, 1432 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 18:47:22,434 INFO L241 Difference]: Finished difference. Result has 97 places, 142 transitions, 1427 flow [2021-04-28 18:47:22,434 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=985, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1427, PETRI_PLACES=97, PETRI_TRANSITIONS=142} [2021-04-28 18:47:22,434 INFO L343 CegarLoopForPetriNet]: 149 programPoint places, -52 predicate places. [2021-04-28 18:47:22,434 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:47:22,435 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 97 places, 142 transitions, 1427 flow [2021-04-28 18:47:22,435 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 97 places, 142 transitions, 1427 flow [2021-04-28 18:47:22,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 142 transitions, 1427 flow [2021-04-28 18:47:46,604 INFO L129 PetriNetUnfolder]: 125816/193676 cut-off events. [2021-04-28 18:47:46,605 INFO L130 PetriNetUnfolder]: For 204218/1154845 co-relation queries the response was YES. [2021-04-28 18:47:48,079 INFO L84 FinitePrefix]: Finished finitePrefix Result has 924180 conditions, 193676 events. 125816/193676 cut-off events. For 204218/1154845 co-relation queries the response was YES. Maximal size of possible extension queue 29931. Compared 2091662 event pairs, 28172 based on Foata normal form. 87/58607 useless extension candidates. Maximal degree in co-relation 924144. Up to 186650 conditions per place. [2021-04-28 18:47:51,231 INFO L146 LiptonReduction]: Number of co-enabled transitions 5784 [2021-04-28 18:48:29,221 INFO L158 LiptonReduction]: Checked pairs total: 2786 [2021-04-28 18:48:29,222 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:48:29,222 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 66788 [2021-04-28 18:48:29,223 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 142 transitions, 1427 flow [2021-04-28 18:48:29,224 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 290.8) internal successors, (1454), 5 states have internal predecessors, (1454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:29,224 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:48:29,224 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:48:29,224 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 18:48:29,224 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:48:29,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:48:29,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1306499509, now seen corresponding path program 1 times [2021-04-28 18:48:29,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:48:29,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775826366] [2021-04-28 18:48:29,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:48:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:48:29,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:48:29,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:48:29,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:48:29,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:48:29,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:48:29,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:48:29,336 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:48:29,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:48:29,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:48:29,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:48:29,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:48:29,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775826366] [2021-04-28 18:48:29,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:48:29,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 18:48:29,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984027507] [2021-04-28 18:48:29,349 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 18:48:29,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:48:29,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 18:48:29,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 18:48:29,352 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 383 [2021-04-28 18:48:29,354 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 142 transitions, 1427 flow. Second operand has 6 states, 6 states have (on average 290.8333333333333) internal successors, (1745), 6 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:29,354 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:48:29,355 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 383 [2021-04-28 18:48:29,355 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:49:02,878 INFO L129 PetriNetUnfolder]: 134762/218761 cut-off events. [2021-04-28 18:49:02,878 INFO L130 PetriNetUnfolder]: For 206869/3164011 co-relation queries the response was YES. [2021-04-28 18:49:04,136 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1248603 conditions, 218761 events. 134762/218761 cut-off events. For 206869/3164011 co-relation queries the response was YES. Maximal size of possible extension queue 36870. Compared 2532493 event pairs, 4694 based on Foata normal form. 4201/72339 useless extension candidates. Maximal degree in co-relation 1248565. Up to 207518 conditions per place. [2021-04-28 18:49:04,776 INFO L132 encePairwiseOnDemand]: 363/383 looper letters, 24 selfloop transitions, 95 changer transitions 13/188 dead transitions. [2021-04-28 18:49:04,777 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 188 transitions, 2099 flow [2021-04-28 18:49:04,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 18:49:04,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 18:49:04,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2736 transitions. [2021-04-28 18:49:04,785 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.793733681462141 [2021-04-28 18:49:04,785 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2736 transitions. [2021-04-28 18:49:04,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2736 transitions. [2021-04-28 18:49:04,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:49:04,787 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2736 transitions. [2021-04-28 18:49:04,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 304.0) internal successors, (2736), 9 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:49:04,801 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 383.0) internal successors, (3830), 10 states have internal predecessors, (3830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:49:04,803 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 383.0) internal successors, (3830), 10 states have internal predecessors, (3830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:49:04,803 INFO L185 Difference]: Start difference. First operand has 97 places, 142 transitions, 1427 flow. Second operand 9 states and 2736 transitions. [2021-04-28 18:49:04,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 188 transitions, 2099 flow [2021-04-28 18:50:20,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 188 transitions, 1936 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-04-28 18:50:20,266 INFO L241 Difference]: Finished difference. Result has 105 places, 172 transitions, 1845 flow [2021-04-28 18:50:20,267 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=1265, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1845, PETRI_PLACES=105, PETRI_TRANSITIONS=172} [2021-04-28 18:50:20,267 INFO L343 CegarLoopForPetriNet]: 149 programPoint places, -44 predicate places. [2021-04-28 18:50:20,267 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:50:20,267 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 172 transitions, 1845 flow [2021-04-28 18:50:20,267 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 172 transitions, 1845 flow [2021-04-28 18:50:20,269 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 172 transitions, 1845 flow [2021-04-28 18:50:40,465 INFO L129 PetriNetUnfolder]: 86599/151077 cut-off events. [2021-04-28 18:50:40,465 INFO L130 PetriNetUnfolder]: For 740485/1374962 co-relation queries the response was YES. [2021-04-28 18:50:41,825 INFO L84 FinitePrefix]: Finished finitePrefix Result has 889543 conditions, 151077 events. 86599/151077 cut-off events. For 740485/1374962 co-relation queries the response was YES. Maximal size of possible extension queue 29560. Compared 1918061 event pairs, 4619 based on Foata normal form. 2/45513 useless extension candidates. Maximal degree in co-relation 889504. Up to 123436 conditions per place. [2021-04-28 18:50:43,548 INFO L146 LiptonReduction]: Number of co-enabled transitions 6304 [2021-04-28 18:51:09,115 INFO L158 LiptonReduction]: Checked pairs total: 3896 [2021-04-28 18:51:09,116 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:51:09,116 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48849 [2021-04-28 18:51:09,117 INFO L480 AbstractCegarLoop]: Abstraction has has 105 places, 172 transitions, 1845 flow [2021-04-28 18:51:09,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 290.8333333333333) internal successors, (1745), 6 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:51:09,118 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:51:09,118 INFO L263 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] [2021-04-28 18:51:09,118 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 18:51:09,119 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:51:09,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:51:09,119 INFO L82 PathProgramCache]: Analyzing trace with hash 2071373056, now seen corresponding path program 1 times [2021-04-28 18:51:09,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:51:09,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566085764] [2021-04-28 18:51:09,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:51:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:51:09,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:51:09,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:51:09,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:51:09,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:51:09,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:51:09,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:51:09,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:51:09,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:51:09,227 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:51:09,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:51:09,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:51:09,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:51:09,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:51:09,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566085764] [2021-04-28 18:51:09,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:51:09,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 18:51:09,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024841788] [2021-04-28 18:51:09,239 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 18:51:09,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:51:09,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 18:51:09,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 18:51:09,242 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 383 [2021-04-28 18:51:09,245 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 172 transitions, 1845 flow. Second operand has 7 states, 7 states have (on average 290.85714285714283) internal successors, (2036), 7 states have internal predecessors, (2036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:51:09,245 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:51:09,245 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 383 [2021-04-28 18:51:09,245 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:51:37,649 INFO L129 PetriNetUnfolder]: 92137/164730 cut-off events. [2021-04-28 18:51:37,650 INFO L130 PetriNetUnfolder]: For 442920/3512967 co-relation queries the response was YES. [2021-04-28 18:51:38,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1116944 conditions, 164730 events. 92137/164730 cut-off events. For 442920/3512967 co-relation queries the response was YES. Maximal size of possible extension queue 34497. Compared 2110172 event pairs, 23 based on Foata normal form. 2942/52399 useless extension candidates. Maximal degree in co-relation 1116903. Up to 131140 conditions per place. [2021-04-28 18:51:39,188 INFO L132 encePairwiseOnDemand]: 363/383 looper letters, 6 selfloop transitions, 113 changer transitions 27/195 dead transitions. [2021-04-28 18:51:39,188 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 195 transitions, 2333 flow [2021-04-28 18:51:39,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-28 18:51:39,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-28 18:51:39,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3322 transitions. [2021-04-28 18:51:39,198 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7885117493472585 [2021-04-28 18:51:39,199 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3322 transitions. [2021-04-28 18:51:39,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3322 transitions. [2021-04-28 18:51:39,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:51:39,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3322 transitions. [2021-04-28 18:51:39,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 302.0) internal successors, (3322), 11 states have internal predecessors, (3322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:51:39,218 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 383.0) internal successors, (4596), 12 states have internal predecessors, (4596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:51:39,219 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 383.0) internal successors, (4596), 12 states have internal predecessors, (4596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:51:39,219 INFO L185 Difference]: Start difference. First operand has 105 places, 172 transitions, 1845 flow. Second operand 11 states and 3322 transitions. [2021-04-28 18:51:39,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 195 transitions, 2333 flow Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown