/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/mix037_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 20:15:48,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 20:15:48,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 20:15:48,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 20:15:48,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 20:15:48,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 20:15:48,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 20:15:48,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 20:15:48,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 20:15:48,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 20:15:48,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 20:15:48,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 20:15:48,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 20:15:48,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 20:15:48,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 20:15:48,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 20:15:48,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 20:15:48,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 20:15:48,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 20:15:48,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 20:15:48,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 20:15:48,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 20:15:48,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 20:15:48,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 20:15:48,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 20:15:48,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 20:15:48,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 20:15:48,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 20:15:48,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 20:15:48,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 20:15:48,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 20:15:48,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 20:15:48,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 20:15:48,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 20:15:48,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 20:15:48,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 20:15:48,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 20:15:48,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 20:15:48,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 20:15:48,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 20:15:48,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 20:15:48,595 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 20:15:48,648 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 20:15:48,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 20:15:48,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 20:15:48,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 20:15:48,652 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 20:15:48,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 20:15:48,653 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 20:15:48,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 20:15:48,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 20:15:48,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 20:15:48,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 20:15:48,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 20:15:48,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 20:15:48,655 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 20:15:48,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 20:15:48,656 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 20:15:48,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 20:15:48,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 20:15:48,656 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 20:15:48,656 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 20:15:48,657 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 20:15:48,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 20:15:48,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 20:15:48,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 20:15:48,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 20:15:48,658 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 20:15:48,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 20:15:48,658 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 20:15:48,658 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 20:15:48,659 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 20:15:48,659 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 20:15:49,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 20:15:49,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 20:15:49,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 20:15:49,106 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 20:15:49,106 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 20:15:49,107 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix037_power.oepc.i [2021-04-28 20:15:49,185 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f3911fc4/1efdd28d88ca4be0aadcb272023ebdfa/FLAG6013476c9 [2021-04-28 20:15:49,798 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 20:15:49,798 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix037_power.oepc.i [2021-04-28 20:15:49,826 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f3911fc4/1efdd28d88ca4be0aadcb272023ebdfa/FLAG6013476c9 [2021-04-28 20:15:50,088 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f3911fc4/1efdd28d88ca4be0aadcb272023ebdfa [2021-04-28 20:15:50,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 20:15:50,135 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 20:15:50,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 20:15:50,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 20:15:50,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 20:15:50,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:15:50" (1/1) ... [2021-04-28 20:15:50,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69aa5588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:15:50, skipping insertion in model container [2021-04-28 20:15:50,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:15:50" (1/1) ... [2021-04-28 20:15:50,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 20:15:50,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 20:15:50,372 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/mix037_power.oepc.i[951,964] [2021-04-28 20:15:50,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:15:50,673 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 20:15:50,689 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/mix037_power.oepc.i[951,964] [2021-04-28 20:15:50,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:15:50,889 INFO L208 MainTranslator]: Completed translation [2021-04-28 20:15:50,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:15:50 WrapperNode [2021-04-28 20:15:50,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 20:15:50,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 20:15:50,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 20:15:50,892 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 20:15:50,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:15:50" (1/1) ... [2021-04-28 20:15:50,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:15:50" (1/1) ... [2021-04-28 20:15:50,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 20:15:50,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 20:15:50,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 20:15:50,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 20:15:50,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:15:50" (1/1) ... [2021-04-28 20:15:50,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:15:50" (1/1) ... [2021-04-28 20:15:50,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:15:50" (1/1) ... [2021-04-28 20:15:50,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:15:50" (1/1) ... [2021-04-28 20:15:50,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:15:50" (1/1) ... [2021-04-28 20:15:50,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:15:50" (1/1) ... [2021-04-28 20:15:50,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:15:50" (1/1) ... [2021-04-28 20:15:50,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 20:15:51,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 20:15:51,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 20:15:51,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 20:15:51,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:15:50" (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 20:15:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 20:15:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 20:15:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 20:15:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 20:15:51,114 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 20:15:51,114 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 20:15:51,114 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 20:15:51,114 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 20:15:51,114 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 20:15:51,114 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 20:15:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 20:15:51,115 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 20:15:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 20:15:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 20:15:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 20:15:51,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 20:15:51,121 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 20:15:53,553 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 20:15:53,553 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 20:15:53,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:15:53 BoogieIcfgContainer [2021-04-28 20:15:53,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 20:15:53,557 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 20:15:53,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 20:15:53,561 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 20:15:53,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 08:15:50" (1/3) ... [2021-04-28 20:15:53,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@357a9887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:15:53, skipping insertion in model container [2021-04-28 20:15:53,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:15:50" (2/3) ... [2021-04-28 20:15:53,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@357a9887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:15:53, skipping insertion in model container [2021-04-28 20:15:53,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:15:53" (3/3) ... [2021-04-28 20:15:53,565 INFO L111 eAbstractionObserver]: Analyzing ICFG mix037_power.oepc.i [2021-04-28 20:15:53,573 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 20:15:53,578 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 20:15:53,579 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 20:15:53,625 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,625 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,625 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,626 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,626 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,626 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,626 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,626 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,627 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,627 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,627 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,627 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,628 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,628 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,628 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,628 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,629 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,629 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,629 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,629 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,629 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,629 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,630 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,630 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,630 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,633 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,633 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,633 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,634 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,634 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,634 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,634 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,634 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,635 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,635 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,635 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,635 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,635 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,635 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,635 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,636 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,636 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,636 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,636 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,638 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,639 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,639 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,639 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,639 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,639 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,639 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,640 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,640 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,640 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,640 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,640 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,644 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,644 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,644 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,645 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,645 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,645 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,645 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,645 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,646 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,646 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,646 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,646 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,646 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,646 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,647 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,647 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,647 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,647 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,647 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,647 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,648 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,648 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,648 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,648 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,648 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,648 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,649 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,649 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,649 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,649 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,649 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,649 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,649 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,654 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,654 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,654 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,654 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,654 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,654 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,655 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,655 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,655 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,655 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,655 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,655 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,655 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,656 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,656 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,656 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,656 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,656 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,656 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,656 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,657 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,657 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,657 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,657 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,657 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,657 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,657 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,658 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,658 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,658 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,658 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,658 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,658 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,658 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,659 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,659 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,659 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,659 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,662 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,662 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,662 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,662 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,662 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,663 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,663 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,663 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,663 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,664 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,664 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,664 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,664 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,664 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,665 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,665 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,665 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,665 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,668 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,668 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,668 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,668 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,668 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,669 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,669 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,669 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,669 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,669 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,670 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,670 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,670 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,670 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,670 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,670 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,671 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,671 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,671 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,671 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,671 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,671 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,673 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,673 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,673 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,673 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,673 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,675 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,676 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,676 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,676 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,676 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,676 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,677 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,677 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,677 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,677 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,677 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,678 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,679 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,679 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,681 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,681 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,682 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,683 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,683 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,683 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,683 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,683 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,684 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,684 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,684 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,684 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:15:53,685 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 20:15:53,709 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 20:15:53,733 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 20:15:53,734 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 20:15:53,734 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 20:15:53,734 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 20:15:53,734 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 20:15:53,734 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 20:15:53,734 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 20:15:53,735 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 20:15:53,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 131 places, 120 transitions, 260 flow [2021-04-28 20:15:53,801 INFO L129 PetriNetUnfolder]: 2/116 cut-off events. [2021-04-28 20:15:53,802 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:15:53,808 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 116 events. 2/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 91 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 20:15:53,808 INFO L82 GeneralOperation]: Start removeDead. Operand has 131 places, 120 transitions, 260 flow [2021-04-28 20:15:53,814 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 127 places, 116 transitions, 244 flow [2021-04-28 20:15:53,816 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:15:53,833 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 116 transitions, 244 flow [2021-04-28 20:15:53,837 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 116 transitions, 244 flow [2021-04-28 20:15:53,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 116 transitions, 244 flow [2021-04-28 20:15:53,868 INFO L129 PetriNetUnfolder]: 2/116 cut-off events. [2021-04-28 20:15:53,868 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:15:53,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 116 events. 2/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 91 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 20:15:53,874 INFO L146 LiptonReduction]: Number of co-enabled transitions 2876 [2021-04-28 20:15:55,604 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 20:15:58,041 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 20:15:58,152 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 20:15:58,681 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 20:15:58,896 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 20:16:04,913 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-04-28 20:16:12,530 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:16:15,425 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 20:16:16,365 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:16:16,485 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:16:16,604 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:16:16,725 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:16:17,205 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:16:17,312 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:16:17,415 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:16:17,520 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:16:17,627 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:16:17,832 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:16:17,937 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:16:18,062 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:16:18,185 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:16:18,309 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:16:18,432 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:16:18,656 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:19,312 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:16:19,414 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:16:19,517 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:16:19,621 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:16:19,737 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:16:19,849 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:16:19,964 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:16:20,075 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:16:20,569 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:20,679 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:20,788 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:20,898 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:21,004 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:16:21,108 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:16:21,213 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:16:21,319 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:16:21,430 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:21,540 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:21,688 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:21,797 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:21,908 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:22,017 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:22,127 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:22,237 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:22,390 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:16:22,543 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:16:22,697 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:16:22,852 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:16:22,963 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:23,073 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:23,184 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:23,294 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:23,801 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:23,911 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:24,021 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:24,132 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:16:24,593 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:16:24,775 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:16:24,958 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:16:25,142 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:16:25,299 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:16:25,458 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:16:25,610 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:16:25,747 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:16:25,907 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:16:26,066 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:16:26,230 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:16:26,387 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:16:26,564 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:16:26,739 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:16:26,915 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:16:27,097 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:16:27,263 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:16:27,433 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:16:27,604 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:16:27,767 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:16:27,949 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:16:28,134 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:16:28,366 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:16:28,552 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:16:28,702 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:16:28,851 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:16:29,003 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:16:29,154 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:16:29,307 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:16:29,456 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:16:29,612 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:16:29,766 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:16:29,919 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:16:30,072 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:16:30,231 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:16:30,391 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:16:30,528 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:16:30,664 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:16:30,802 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:16:30,942 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:16:31,138 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:16:31,318 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:16:31,523 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:16:31,720 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:16:31,899 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:16:32,074 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:16:32,282 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:16:32,457 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:16:32,623 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:16:32,788 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:16:32,961 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:16:33,135 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:16:33,322 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:16:33,510 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:16:33,706 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:16:33,899 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:16:34,072 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:16:34,247 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:16:34,419 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:16:34,588 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:16:34,716 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:16:34,843 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:16:34,971 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:16:35,098 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:16:35,350 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:16:35,575 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:16:35,806 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:16:36,056 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:16:36,208 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:16:36,363 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:16:36,514 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:16:36,666 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:16:36,884 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:16:37,096 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:16:37,316 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:16:37,533 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:16:37,765 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:16:38,000 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:16:38,221 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:16:38,441 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:16:38,668 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:16:38,893 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:16:39,119 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:16:39,345 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:16:39,578 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:16:39,824 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:16:40,055 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:16:40,273 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:16:40,482 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:16:40,692 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:16:40,906 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:16:41,118 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:16:41,253 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:16:41,385 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:16:41,517 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:16:41,650 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:16:42,216 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-28 20:16:42,488 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 20:16:43,061 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-28 20:16:43,332 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 20:16:43,559 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:16:43,811 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:16:44,037 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:16:44,269 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:16:44,807 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 20:16:45,072 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 20:16:45,624 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 20:16:45,883 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 20:16:46,085 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:16:46,291 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:16:46,496 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:16:46,702 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:16:46,749 INFO L158 LiptonReduction]: Checked pairs total: 28569 [2021-04-28 20:16:46,749 INFO L160 LiptonReduction]: Total number of compositions: 289 [2021-04-28 20:16:46,756 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 52941 [2021-04-28 20:16:46,780 INFO L129 PetriNetUnfolder]: 0/65 cut-off events. [2021-04-28 20:16:46,780 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:16:46,781 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:16:46,781 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 20:16:46,782 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:16:46,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:16:46,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1402811, now seen corresponding path program 1 times [2021-04-28 20:16:46,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:16:46,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959587285] [2021-04-28 20:16:46,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:16:46,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:16:47,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:16:47,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:16:47,061 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 20:16:47,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959587285] [2021-04-28 20:16:47,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:16:47,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:16:47,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238464035] [2021-04-28 20:16:47,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:16:47,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:16:47,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:16:47,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:16:47,102 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 409 [2021-04-28 20:16:47,111 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 144 transitions, 300 flow. Second operand has 3 states, 3 states have (on average 308.6666666666667) internal successors, (926), 3 states have internal predecessors, (926), 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 20:16:47,111 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:16:47,112 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 409 [2021-04-28 20:16:47,113 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:16:47,414 INFO L129 PetriNetUnfolder]: 133/825 cut-off events. [2021-04-28 20:16:47,415 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:16:47,423 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1061 conditions, 825 events. 133/825 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 7317 event pairs, 110 based on Foata normal form. 69/345 useless extension candidates. Maximal degree in co-relation 975. Up to 153 conditions per place. [2021-04-28 20:16:47,430 INFO L132 encePairwiseOnDemand]: 386/409 looper letters, 11 selfloop transitions, 2 changer transitions 60/145 dead transitions. [2021-04-28 20:16:47,430 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 145 transitions, 362 flow [2021-04-28 20:16:47,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:16:47,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:16:47,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 961 transitions. [2021-04-28 20:16:47,462 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7832110839445803 [2021-04-28 20:16:47,462 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 961 transitions. [2021-04-28 20:16:47,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 961 transitions. [2021-04-28 20:16:47,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:16:47,472 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 961 transitions. [2021-04-28 20:16:47,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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 20:16:47,501 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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 20:16:47,503 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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 20:16:47,505 INFO L185 Difference]: Start difference. First operand has 156 places, 144 transitions, 300 flow. Second operand 3 states and 961 transitions. [2021-04-28 20:16:47,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 145 transitions, 362 flow [2021-04-28 20:16:47,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 145 transitions, 358 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 20:16:47,515 INFO L241 Difference]: Finished difference. Result has 151 places, 80 transitions, 172 flow [2021-04-28 20:16:47,518 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=172, PETRI_PLACES=151, PETRI_TRANSITIONS=80} [2021-04-28 20:16:47,520 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -5 predicate places. [2021-04-28 20:16:47,520 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:16:47,522 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 151 places, 80 transitions, 172 flow [2021-04-28 20:16:47,523 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 151 places, 80 transitions, 172 flow [2021-04-28 20:16:47,523 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 80 transitions, 172 flow [2021-04-28 20:16:47,535 INFO L129 PetriNetUnfolder]: 0/80 cut-off events. [2021-04-28 20:16:47,535 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:16:47,535 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 80 events. 0/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 389 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 20:16:47,540 INFO L146 LiptonReduction]: Number of co-enabled transitions 3316 [2021-04-28 20:16:48,204 INFO L158 LiptonReduction]: Checked pairs total: 4278 [2021-04-28 20:16:48,204 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:16:48,204 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 684 [2021-04-28 20:16:48,206 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 80 transitions, 172 flow [2021-04-28 20:16:48,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 308.6666666666667) internal successors, (926), 3 states have internal predecessors, (926), 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 20:16:48,208 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:16:48,208 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:16:48,208 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 20:16:48,208 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:16:48,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:16:48,209 INFO L82 PathProgramCache]: Analyzing trace with hash 593966690, now seen corresponding path program 1 times [2021-04-28 20:16:48,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:16:48,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663222740] [2021-04-28 20:16:48,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:16:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:16:48,424 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:16:48,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:16:48,439 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 20:16:48,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663222740] [2021-04-28 20:16:48,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:16:48,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:16:48,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563964815] [2021-04-28 20:16:48,441 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:16:48,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:16:48,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:16:48,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:16:48,446 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 409 [2021-04-28 20:16:48,447 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 80 transitions, 172 flow. Second operand has 3 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 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 20:16:48,447 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:16:48,447 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 409 [2021-04-28 20:16:48,447 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:16:50,009 INFO L129 PetriNetUnfolder]: 3314/8858 cut-off events. [2021-04-28 20:16:50,009 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:16:50,048 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13814 conditions, 8858 events. 3314/8858 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1360. Compared 107402 event pairs, 1159 based on Foata normal form. 0/5606 useless extension candidates. Maximal degree in co-relation 13805. Up to 3411 conditions per place. [2021-04-28 20:16:50,060 INFO L132 encePairwiseOnDemand]: 387/409 looper letters, 7 selfloop transitions, 7 changer transitions 48/109 dead transitions. [2021-04-28 20:16:50,061 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 109 transitions, 354 flow [2021-04-28 20:16:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:16:50,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:16:50,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 761 transitions. [2021-04-28 20:16:50,065 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6202118989405053 [2021-04-28 20:16:50,065 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 761 transitions. [2021-04-28 20:16:50,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 761 transitions. [2021-04-28 20:16:50,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:16:50,066 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 761 transitions. [2021-04-28 20:16:50,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 253.66666666666666) internal successors, (761), 3 states have internal predecessors, (761), 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 20:16:50,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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 20:16:50,073 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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 20:16:50,074 INFO L185 Difference]: Start difference. First operand has 91 places, 80 transitions, 172 flow. Second operand 3 states and 761 transitions. [2021-04-28 20:16:50,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 109 transitions, 354 flow [2021-04-28 20:16:50,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 109 transitions, 350 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:16:50,080 INFO L241 Difference]: Finished difference. Result has 93 places, 61 transitions, 172 flow [2021-04-28 20:16:50,081 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=172, PETRI_PLACES=93, PETRI_TRANSITIONS=61} [2021-04-28 20:16:50,081 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -63 predicate places. [2021-04-28 20:16:50,081 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:16:50,082 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 61 transitions, 172 flow [2021-04-28 20:16:50,083 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 61 transitions, 172 flow [2021-04-28 20:16:50,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 61 transitions, 172 flow [2021-04-28 20:16:50,178 INFO L129 PetriNetUnfolder]: 152/595 cut-off events. [2021-04-28 20:16:50,178 INFO L130 PetriNetUnfolder]: For 39/47 co-relation queries the response was YES. [2021-04-28 20:16:50,182 INFO L84 FinitePrefix]: Finished finitePrefix Result has 963 conditions, 595 events. 152/595 cut-off events. For 39/47 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 4653 event pairs, 73 based on Foata normal form. 0/408 useless extension candidates. Maximal degree in co-relation 954. Up to 221 conditions per place. [2021-04-28 20:16:50,197 INFO L146 LiptonReduction]: Number of co-enabled transitions 2100 [2021-04-28 20:16:50,427 INFO L158 LiptonReduction]: Checked pairs total: 1441 [2021-04-28 20:16:50,427 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:16:50,428 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 347 [2021-04-28 20:16:50,431 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 61 transitions, 172 flow [2021-04-28 20:16:50,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 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 20:16:50,434 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:16:50,434 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:16:50,434 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 20:16:50,434 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:16:50,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:16:50,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1233096230, now seen corresponding path program 1 times [2021-04-28 20:16:50,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:16:50,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457698891] [2021-04-28 20:16:50,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:16:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:16:50,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:16:50,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:16:50,582 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:16:50,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:16:50,595 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 20:16:50,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457698891] [2021-04-28 20:16:50,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:16:50,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 20:16:50,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805137394] [2021-04-28 20:16:50,596 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:16:50,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:16:50,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:16:50,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:16:50,599 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 409 [2021-04-28 20:16:50,601 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 61 transitions, 172 flow. Second operand has 4 states, 4 states have (on average 234.75) internal successors, (939), 4 states have internal predecessors, (939), 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 20:16:50,601 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:16:50,601 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 409 [2021-04-28 20:16:50,601 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:16:50,735 INFO L129 PetriNetUnfolder]: 122/442 cut-off events. [2021-04-28 20:16:50,735 INFO L130 PetriNetUnfolder]: For 72/313 co-relation queries the response was YES. [2021-04-28 20:16:50,738 INFO L84 FinitePrefix]: Finished finitePrefix Result has 962 conditions, 442 events. 122/442 cut-off events. For 72/313 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2864 event pairs, 14 based on Foata normal form. 3/314 useless extension candidates. Maximal degree in co-relation 951. Up to 181 conditions per place. [2021-04-28 20:16:50,742 INFO L132 encePairwiseOnDemand]: 401/409 looper letters, 13 selfloop transitions, 8 changer transitions 0/68 dead transitions. [2021-04-28 20:16:50,742 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 68 transitions, 250 flow [2021-04-28 20:16:50,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:16:50,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:16:50,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 953 transitions. [2021-04-28 20:16:50,746 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5825183374083129 [2021-04-28 20:16:50,746 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 953 transitions. [2021-04-28 20:16:50,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 953 transitions. [2021-04-28 20:16:50,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:16:50,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 953 transitions. [2021-04-28 20:16:50,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 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 20:16:50,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 409.0) internal successors, (2045), 5 states have internal predecessors, (2045), 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 20:16:50,757 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 409.0) internal successors, (2045), 5 states have internal predecessors, (2045), 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 20:16:50,757 INFO L185 Difference]: Start difference. First operand has 68 places, 61 transitions, 172 flow. Second operand 4 states and 953 transitions. [2021-04-28 20:16:50,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 68 transitions, 250 flow [2021-04-28 20:16:50,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 68 transitions, 228 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:16:50,762 INFO L241 Difference]: Finished difference. Result has 72 places, 65 transitions, 216 flow [2021-04-28 20:16:50,762 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=216, PETRI_PLACES=72, PETRI_TRANSITIONS=65} [2021-04-28 20:16:50,762 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -84 predicate places. [2021-04-28 20:16:50,762 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:16:50,763 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 65 transitions, 216 flow [2021-04-28 20:16:50,763 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 65 transitions, 216 flow [2021-04-28 20:16:50,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 65 transitions, 216 flow [2021-04-28 20:16:50,849 INFO L129 PetriNetUnfolder]: 122/498 cut-off events. [2021-04-28 20:16:50,849 INFO L130 PetriNetUnfolder]: For 146/172 co-relation queries the response was YES. [2021-04-28 20:16:50,852 INFO L84 FinitePrefix]: Finished finitePrefix Result has 924 conditions, 498 events. 122/498 cut-off events. For 146/172 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 3611 event pairs, 51 based on Foata normal form. 0/343 useless extension candidates. Maximal degree in co-relation 912. Up to 181 conditions per place. [2021-04-28 20:16:50,866 INFO L146 LiptonReduction]: Number of co-enabled transitions 2260 [2021-04-28 20:16:50,925 INFO L158 LiptonReduction]: Checked pairs total: 1602 [2021-04-28 20:16:50,925 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:16:50,925 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 163 [2021-04-28 20:16:50,928 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 65 transitions, 216 flow [2021-04-28 20:16:50,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 234.75) internal successors, (939), 4 states have internal predecessors, (939), 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 20:16:50,929 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:16:50,929 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:16:50,929 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 20:16:50,929 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:16:50,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:16:50,930 INFO L82 PathProgramCache]: Analyzing trace with hash -481086827, now seen corresponding path program 1 times [2021-04-28 20:16:50,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:16:50,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993685153] [2021-04-28 20:16:50,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:16:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:16:51,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:16:51,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:16:51,032 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:16:51,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:16:51,043 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 20:16:51,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993685153] [2021-04-28 20:16:51,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:16:51,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 20:16:51,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118302486] [2021-04-28 20:16:51,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:16:51,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:16:51,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:16:51,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:16:51,047 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 409 [2021-04-28 20:16:51,049 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 65 transitions, 216 flow. Second operand has 4 states, 4 states have (on average 234.75) internal successors, (939), 4 states have internal predecessors, (939), 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 20:16:51,049 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:16:51,049 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 409 [2021-04-28 20:16:51,049 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:16:51,168 INFO L129 PetriNetUnfolder]: 106/466 cut-off events. [2021-04-28 20:16:51,168 INFO L130 PetriNetUnfolder]: For 211/406 co-relation queries the response was YES. [2021-04-28 20:16:51,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1028 conditions, 466 events. 106/466 cut-off events. For 211/406 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 3318 event pairs, 44 based on Foata normal form. 11/326 useless extension candidates. Maximal degree in co-relation 1014. Up to 161 conditions per place. [2021-04-28 20:16:51,176 INFO L132 encePairwiseOnDemand]: 401/409 looper letters, 11 selfloop transitions, 16 changer transitions 0/74 dead transitions. [2021-04-28 20:16:51,176 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 74 transitions, 324 flow [2021-04-28 20:16:51,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:16:51,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:16:51,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 955 transitions. [2021-04-28 20:16:51,181 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5837408312958435 [2021-04-28 20:16:51,181 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 955 transitions. [2021-04-28 20:16:51,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 955 transitions. [2021-04-28 20:16:51,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:16:51,182 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 955 transitions. [2021-04-28 20:16:51,186 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 238.75) internal successors, (955), 4 states have internal predecessors, (955), 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 20:16:51,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 409.0) internal successors, (2045), 5 states have internal predecessors, (2045), 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 20:16:51,193 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 409.0) internal successors, (2045), 5 states have internal predecessors, (2045), 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 20:16:51,193 INFO L185 Difference]: Start difference. First operand has 72 places, 65 transitions, 216 flow. Second operand 4 states and 955 transitions. [2021-04-28 20:16:51,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 74 transitions, 324 flow [2021-04-28 20:16:51,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 74 transitions, 319 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 20:16:51,198 INFO L241 Difference]: Finished difference. Result has 76 places, 71 transitions, 309 flow [2021-04-28 20:16:51,198 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=309, PETRI_PLACES=76, PETRI_TRANSITIONS=71} [2021-04-28 20:16:51,199 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -80 predicate places. [2021-04-28 20:16:51,199 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:16:51,199 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 71 transitions, 309 flow [2021-04-28 20:16:51,199 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 71 transitions, 309 flow [2021-04-28 20:16:51,200 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 71 transitions, 309 flow [2021-04-28 20:16:51,271 INFO L129 PetriNetUnfolder]: 106/394 cut-off events. [2021-04-28 20:16:51,271 INFO L130 PetriNetUnfolder]: For 294/344 co-relation queries the response was YES. [2021-04-28 20:16:51,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 936 conditions, 394 events. 106/394 cut-off events. For 294/344 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2618 event pairs, 33 based on Foata normal form. 1/282 useless extension candidates. Maximal degree in co-relation 921. Up to 161 conditions per place. [2021-04-28 20:16:51,286 INFO L146 LiptonReduction]: Number of co-enabled transitions 2524 [2021-04-28 20:16:51,350 INFO L158 LiptonReduction]: Checked pairs total: 1860 [2021-04-28 20:16:51,350 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:16:51,350 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 151 [2021-04-28 20:16:51,352 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 71 transitions, 309 flow [2021-04-28 20:16:51,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 234.75) internal successors, (939), 4 states have internal predecessors, (939), 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 20:16:51,353 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:16:51,353 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:16:51,353 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 20:16:51,353 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:16:51,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:16:51,354 INFO L82 PathProgramCache]: Analyzing trace with hash -405977995, now seen corresponding path program 1 times [2021-04-28 20:16:51,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:16:51,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872448206] [2021-04-28 20:16:51,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:16:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:16:51,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:16:51,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:16:51,415 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:16:51,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:16:51,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:16:51,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:16:51,423 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 20:16:51,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872448206] [2021-04-28 20:16:51,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:16:51,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:16:51,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428644585] [2021-04-28 20:16:51,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:16:51,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:16:51,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:16:51,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:16:51,427 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 409 [2021-04-28 20:16:51,429 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 71 transitions, 309 flow. Second operand has 4 states, 4 states have (on average 313.75) internal successors, (1255), 4 states have internal predecessors, (1255), 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 20:16:51,429 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:16:51,430 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 409 [2021-04-28 20:16:51,430 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:16:59,923 INFO L129 PetriNetUnfolder]: 43892/65396 cut-off events. [2021-04-28 20:16:59,923 INFO L130 PetriNetUnfolder]: For 2491/2634 co-relation queries the response was YES. [2021-04-28 20:17:00,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 132504 conditions, 65396 events. 43892/65396 cut-off events. For 2491/2634 co-relation queries the response was YES. Maximal size of possible extension queue 9768. Compared 601630 event pairs, 23166 based on Foata normal form. 1204/20270 useless extension candidates. Maximal degree in co-relation 132487. Up to 41674 conditions per place. [2021-04-28 20:17:00,676 INFO L132 encePairwiseOnDemand]: 389/409 looper letters, 34 selfloop transitions, 33 changer transitions 0/115 dead transitions. [2021-04-28 20:17:00,676 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 115 transitions, 531 flow [2021-04-28 20:17:00,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 20:17:00,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 20:17:00,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1631 transitions. [2021-04-28 20:17:00,682 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7975550122249389 [2021-04-28 20:17:00,682 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1631 transitions. [2021-04-28 20:17:00,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1631 transitions. [2021-04-28 20:17:00,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:17:00,684 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1631 transitions. [2021-04-28 20:17:00,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 326.2) internal successors, (1631), 5 states have internal predecessors, (1631), 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 20:17:00,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 409.0) internal successors, (2454), 6 states have internal predecessors, (2454), 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 20:17:00,697 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 409.0) internal successors, (2454), 6 states have internal predecessors, (2454), 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 20:17:00,698 INFO L185 Difference]: Start difference. First operand has 76 places, 71 transitions, 309 flow. Second operand 5 states and 1631 transitions. [2021-04-28 20:17:00,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 115 transitions, 531 flow [2021-04-28 20:17:00,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 115 transitions, 531 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 20:17:00,714 INFO L241 Difference]: Finished difference. Result has 83 places, 102 transitions, 555 flow [2021-04-28 20:17:00,714 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=309, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=555, PETRI_PLACES=83, PETRI_TRANSITIONS=102} [2021-04-28 20:17:00,715 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -73 predicate places. [2021-04-28 20:17:00,715 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:17:00,715 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 102 transitions, 555 flow [2021-04-28 20:17:00,715 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 102 transitions, 555 flow [2021-04-28 20:17:00,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 102 transitions, 555 flow [2021-04-28 20:17:06,162 INFO L129 PetriNetUnfolder]: 37492/56507 cut-off events. [2021-04-28 20:17:06,162 INFO L130 PetriNetUnfolder]: For 11312/68513 co-relation queries the response was YES. [2021-04-28 20:17:06,416 INFO L84 FinitePrefix]: Finished finitePrefix Result has 161763 conditions, 56507 events. 37492/56507 cut-off events. For 11312/68513 co-relation queries the response was YES. Maximal size of possible extension queue 9481. Compared 549558 event pairs, 21058 based on Foata normal form. 23/16761 useless extension candidates. Maximal degree in co-relation 161743. Up to 53375 conditions per place. [2021-04-28 20:17:07,187 INFO L146 LiptonReduction]: Number of co-enabled transitions 3824 [2021-04-28 20:17:09,512 INFO L158 LiptonReduction]: Checked pairs total: 3492 [2021-04-28 20:17:09,512 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:17:09,512 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8797 [2021-04-28 20:17:09,514 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 102 transitions, 555 flow [2021-04-28 20:17:09,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 313.75) internal successors, (1255), 4 states have internal predecessors, (1255), 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 20:17:09,515 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:17:09,516 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 20:17:09,516 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 20:17:09,516 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:17:09,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:17:09,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1946396486, now seen corresponding path program 1 times [2021-04-28 20:17:09,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:17:09,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419500681] [2021-04-28 20:17:09,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:17:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:17:09,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:09,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:17:09,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:09,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:17:09,582 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:17:09,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:17:09,600 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 20:17:09,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419500681] [2021-04-28 20:17:09,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:17:09,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:17:09,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775258627] [2021-04-28 20:17:09,601 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:17:09,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:17:09,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:17:09,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:17:09,605 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 409 [2021-04-28 20:17:09,607 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 102 transitions, 555 flow. Second operand has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 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 20:17:09,607 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:17:09,607 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 409 [2021-04-28 20:17:09,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:17:16,735 INFO L129 PetriNetUnfolder]: 51323/76442 cut-off events. [2021-04-28 20:17:16,735 INFO L130 PetriNetUnfolder]: For 18602/108043 co-relation queries the response was YES. [2021-04-28 20:17:17,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 219474 conditions, 76442 events. 51323/76442 cut-off events. For 18602/108043 co-relation queries the response was YES. Maximal size of possible extension queue 12033. Compared 724057 event pairs, 29268 based on Foata normal form. 586/23382 useless extension candidates. Maximal degree in co-relation 219452. Up to 72440 conditions per place. [2021-04-28 20:17:17,357 INFO L132 encePairwiseOnDemand]: 403/409 looper letters, 16 selfloop transitions, 12 changer transitions 0/106 dead transitions. [2021-04-28 20:17:17,358 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 106 transitions, 630 flow [2021-04-28 20:17:17,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:17:17,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:17:17,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 954 transitions. [2021-04-28 20:17:17,362 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5831295843520783 [2021-04-28 20:17:17,362 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 954 transitions. [2021-04-28 20:17:17,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 954 transitions. [2021-04-28 20:17:17,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:17:17,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 954 transitions. [2021-04-28 20:17:17,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 238.5) internal successors, (954), 4 states have internal predecessors, (954), 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 20:17:17,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 409.0) internal successors, (2045), 5 states have internal predecessors, (2045), 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 20:17:17,370 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 409.0) internal successors, (2045), 5 states have internal predecessors, (2045), 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 20:17:17,370 INFO L185 Difference]: Start difference. First operand has 83 places, 102 transitions, 555 flow. Second operand 4 states and 954 transitions. [2021-04-28 20:17:17,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 106 transitions, 630 flow [2021-04-28 20:17:17,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 106 transitions, 630 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 20:17:17,488 INFO L241 Difference]: Finished difference. Result has 87 places, 102 transitions, 589 flow [2021-04-28 20:17:17,488 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=555, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=589, PETRI_PLACES=87, PETRI_TRANSITIONS=102} [2021-04-28 20:17:17,489 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -69 predicate places. [2021-04-28 20:17:17,489 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:17:17,489 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 102 transitions, 589 flow [2021-04-28 20:17:17,489 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 102 transitions, 589 flow [2021-04-28 20:17:17,490 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 102 transitions, 589 flow [2021-04-28 20:17:24,335 INFO L129 PetriNetUnfolder]: 53011/79056 cut-off events. [2021-04-28 20:17:24,335 INFO L130 PetriNetUnfolder]: For 15778/113625 co-relation queries the response was YES. [2021-04-28 20:17:25,019 INFO L84 FinitePrefix]: Finished finitePrefix Result has 226726 conditions, 79056 events. 53011/79056 cut-off events. For 15778/113625 co-relation queries the response was YES. Maximal size of possible extension queue 13155. Compared 776055 event pairs, 30115 based on Foata normal form. 23/23170 useless extension candidates. Maximal degree in co-relation 226703. Up to 75353 conditions per place. [2021-04-28 20:17:25,682 INFO L146 LiptonReduction]: Number of co-enabled transitions 3822 [2021-04-28 20:17:27,531 INFO L158 LiptonReduction]: Checked pairs total: 3492 [2021-04-28 20:17:27,531 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:17:27,532 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10043 [2021-04-28 20:17:27,533 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 102 transitions, 589 flow [2021-04-28 20:17:27,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 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 20:17:27,534 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:17:27,534 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 20:17:27,535 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 20:17:27,535 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:17:27,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:17:27,535 INFO L82 PathProgramCache]: Analyzing trace with hash 992027516, now seen corresponding path program 1 times [2021-04-28 20:17:27,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:17:27,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660573792] [2021-04-28 20:17:27,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:17:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:17:27,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:27,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:17:27,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:27,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:17:27,612 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:17:27,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:17:27,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:27,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:17:27,622 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 20:17:27,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660573792] [2021-04-28 20:17:27,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:17:27,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 20:17:27,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623067631] [2021-04-28 20:17:27,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 20:17:27,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:17:27,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 20:17:27,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 20:17:27,627 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 409 [2021-04-28 20:17:27,629 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 102 transitions, 589 flow. Second operand has 5 states, 5 states have (on average 313.8) internal successors, (1569), 5 states have internal predecessors, (1569), 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 20:17:27,629 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:17:27,630 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 409 [2021-04-28 20:17:27,630 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:17:37,793 INFO L129 PetriNetUnfolder]: 64742/100562 cut-off events. [2021-04-28 20:17:37,793 INFO L130 PetriNetUnfolder]: For 30098/364923 co-relation queries the response was YES. [2021-04-28 20:17:38,542 INFO L84 FinitePrefix]: Finished finitePrefix Result has 386566 conditions, 100562 events. 64742/100562 cut-off events. For 30098/364923 co-relation queries the response was YES. Maximal size of possible extension queue 16929. Compared 1022707 event pairs, 13199 based on Foata normal form. 1881/34423 useless extension candidates. Maximal degree in co-relation 386541. Up to 93869 conditions per place. [2021-04-28 20:17:38,775 INFO L132 encePairwiseOnDemand]: 389/409 looper letters, 35 selfloop transitions, 64 changer transitions 0/147 dead transitions. [2021-04-28 20:17:38,775 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 147 transitions, 1036 flow [2021-04-28 20:17:38,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 20:17:38,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 20:17:38,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2287 transitions. [2021-04-28 20:17:38,782 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.798812434509256 [2021-04-28 20:17:38,782 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2287 transitions. [2021-04-28 20:17:38,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2287 transitions. [2021-04-28 20:17:38,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:17:38,785 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2287 transitions. [2021-04-28 20:17:38,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 326.7142857142857) internal successors, (2287), 7 states have internal predecessors, (2287), 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 20:17:38,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 409.0) internal successors, (3272), 8 states have internal predecessors, (3272), 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 20:17:38,797 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 409.0) internal successors, (3272), 8 states have internal predecessors, (3272), 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 20:17:38,797 INFO L185 Difference]: Start difference. First operand has 87 places, 102 transitions, 589 flow. Second operand 7 states and 2287 transitions. [2021-04-28 20:17:38,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 147 transitions, 1036 flow [2021-04-28 20:17:38,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 147 transitions, 995 flow, removed 6 selfloop flow, removed 2 redundant places. [2021-04-28 20:17:38,922 INFO L241 Difference]: Finished difference. Result has 94 places, 133 transitions, 990 flow [2021-04-28 20:17:38,922 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=990, PETRI_PLACES=94, PETRI_TRANSITIONS=133} [2021-04-28 20:17:38,922 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -62 predicate places. [2021-04-28 20:17:38,922 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:17:38,923 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 133 transitions, 990 flow [2021-04-28 20:17:38,923 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 133 transitions, 990 flow [2021-04-28 20:17:38,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 133 transitions, 990 flow [2021-04-28 20:17:48,955 INFO L129 PetriNetUnfolder]: 59749/94681 cut-off events. [2021-04-28 20:17:48,955 INFO L130 PetriNetUnfolder]: For 121329/570279 co-relation queries the response was YES. [2021-04-28 20:17:49,430 INFO L84 FinitePrefix]: Finished finitePrefix Result has 447791 conditions, 94681 events. 59749/94681 cut-off events. For 121329/570279 co-relation queries the response was YES. Maximal size of possible extension queue 15822. Compared 1021170 event pairs, 12790 based on Foata normal form. 54/28756 useless extension candidates. Maximal degree in co-relation 447765. Up to 90191 conditions per place. [2021-04-28 20:17:50,520 INFO L146 LiptonReduction]: Number of co-enabled transitions 5294 [2021-04-28 20:17:57,194 INFO L158 LiptonReduction]: Checked pairs total: 7038 [2021-04-28 20:17:57,194 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:17:57,194 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18272 [2021-04-28 20:17:57,196 INFO L480 AbstractCegarLoop]: Abstraction has has 94 places, 133 transitions, 990 flow [2021-04-28 20:17:57,196 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 313.8) internal successors, (1569), 5 states have internal predecessors, (1569), 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 20:17:57,197 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:17:57,197 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] [2021-04-28 20:17:57,197 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 20:17:57,197 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:17:57,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:17:57,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1801447099, now seen corresponding path program 1 times [2021-04-28 20:17:57,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:17:57,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351541332] [2021-04-28 20:17:57,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:17:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:17:57,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:57,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:17:57,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:57,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:17:57,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:57,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:17:57,312 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:17:57,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:17:57,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:17:57,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:17:57,322 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 20:17:57,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351541332] [2021-04-28 20:17:57,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:17:57,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 20:17:57,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140479916] [2021-04-28 20:17:57,323 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 20:17:57,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:17:57,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 20:17:57,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 20:17:57,326 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 409 [2021-04-28 20:17:57,328 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 133 transitions, 990 flow. Second operand has 6 states, 6 states have (on average 313.8333333333333) internal successors, (1883), 6 states have internal predecessors, (1883), 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 20:17:57,328 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:17:57,329 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 409 [2021-04-28 20:17:57,329 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:18:09,985 INFO L129 PetriNetUnfolder]: 62189/102925 cut-off events. [2021-04-28 20:18:09,985 INFO L130 PetriNetUnfolder]: For 102956/1061885 co-relation queries the response was YES. [2021-04-28 20:18:10,543 INFO L84 FinitePrefix]: Finished finitePrefix Result has 584839 conditions, 102925 events. 62189/102925 cut-off events. For 102956/1061885 co-relation queries the response was YES. Maximal size of possible extension queue 15984. Compared 1137936 event pairs, 2048 based on Foata normal form. 2041/34898 useless extension candidates. Maximal degree in co-relation 584811. Up to 97103 conditions per place. [2021-04-28 20:18:11,197 INFO L132 encePairwiseOnDemand]: 389/409 looper letters, 24 selfloop transitions, 95 changer transitions 12/179 dead transitions. [2021-04-28 20:18:11,198 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 179 transitions, 1662 flow [2021-04-28 20:18:11,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 20:18:11,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 20:18:11,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2943 transitions. [2021-04-28 20:18:11,208 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7995110024449877 [2021-04-28 20:18:11,208 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2943 transitions. [2021-04-28 20:18:11,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2943 transitions. [2021-04-28 20:18:11,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:18:11,212 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2943 transitions. [2021-04-28 20:18:11,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 327.0) internal successors, (2943), 9 states have internal predecessors, (2943), 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 20:18:11,228 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 409.0) internal successors, (4090), 10 states have internal predecessors, (4090), 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 20:18:11,232 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 409.0) internal successors, (4090), 10 states have internal predecessors, (4090), 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 20:18:11,232 INFO L185 Difference]: Start difference. First operand has 94 places, 133 transitions, 990 flow. Second operand 9 states and 2943 transitions. [2021-04-28 20:18:11,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 179 transitions, 1662 flow [2021-04-28 20:18:31,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 179 transitions, 1491 flow, removed 55 selfloop flow, removed 4 redundant places. [2021-04-28 20:18:31,870 INFO L241 Difference]: Finished difference. Result has 101 places, 164 transitions, 1410 flow [2021-04-28 20:18:31,870 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=820, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1410, PETRI_PLACES=101, PETRI_TRANSITIONS=164} [2021-04-28 20:18:31,870 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -55 predicate places. [2021-04-28 20:18:31,870 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:18:31,871 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 164 transitions, 1410 flow [2021-04-28 20:18:31,871 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 164 transitions, 1410 flow [2021-04-28 20:18:31,872 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 164 transitions, 1410 flow [2021-04-28 20:18:40,772 INFO L129 PetriNetUnfolder]: 43667/77880 cut-off events. [2021-04-28 20:18:40,773 INFO L130 PetriNetUnfolder]: For 200006/441954 co-relation queries the response was YES. [2021-04-28 20:18:41,258 INFO L84 FinitePrefix]: Finished finitePrefix Result has 453127 conditions, 77880 events. 43667/77880 cut-off events. For 200006/441954 co-relation queries the response was YES. Maximal size of possible extension queue 16203. Compared 964782 event pairs, 2038 based on Foata normal form. 1/22989 useless extension candidates. Maximal degree in co-relation 453099. Up to 62956 conditions per place. [2021-04-28 20:18:42,218 INFO L146 LiptonReduction]: Number of co-enabled transitions 6062 [2021-04-28 20:19:33,019 INFO L158 LiptonReduction]: Checked pairs total: 11040 [2021-04-28 20:19:33,019 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:19:33,019 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 61149 [2021-04-28 20:19:33,021 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 164 transitions, 1410 flow [2021-04-28 20:19:33,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 313.8333333333333) internal successors, (1883), 6 states have internal predecessors, (1883), 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 20:19:33,022 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:19:33,022 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, 1, 1] [2021-04-28 20:19:33,022 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 20:19:33,022 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:19:33,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:19:33,023 INFO L82 PathProgramCache]: Analyzing trace with hash 810401496, now seen corresponding path program 1 times [2021-04-28 20:19:33,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:19:33,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527390812] [2021-04-28 20:19:33,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:19:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:19:33,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:19:33,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:19:33,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:19:33,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:19:33,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:19:33,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:19:33,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:19:33,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:19:33,161 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:19:33,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:19:33,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:19:33,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:19:33,172 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 20:19:33,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527390812] [2021-04-28 20:19:33,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:19:33,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 20:19:33,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883622093] [2021-04-28 20:19:33,173 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 20:19:33,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:19:33,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 20:19:33,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 20:19:33,177 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 409 [2021-04-28 20:19:33,179 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 164 transitions, 1410 flow. Second operand has 7 states, 7 states have (on average 313.85714285714283) internal successors, (2197), 7 states have internal predecessors, (2197), 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 20:19:33,180 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:19:33,180 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 409 [2021-04-28 20:19:33,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:19:44,828 INFO L129 PetriNetUnfolder]: 44612/80758 cut-off events. [2021-04-28 20:19:44,828 INFO L130 PetriNetUnfolder]: For 196694/746567 co-relation queries the response was YES. [2021-04-28 20:19:45,663 INFO L84 FinitePrefix]: Finished finitePrefix Result has 542388 conditions, 80758 events. 44612/80758 cut-off events. For 196694/746567 co-relation queries the response was YES. Maximal size of possible extension queue 15903. Compared 971572 event pairs, 23 based on Foata normal form. 1340/26421 useless extension candidates. Maximal degree in co-relation 542358. Up to 63586 conditions per place. [2021-04-28 20:19:45,818 INFO L132 encePairwiseOnDemand]: 389/409 looper letters, 6 selfloop transitions, 113 changer transitions 25/187 dead transitions. [2021-04-28 20:19:45,818 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 187 transitions, 1898 flow [2021-04-28 20:19:45,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-28 20:19:45,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-28 20:19:45,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3575 transitions. [2021-04-28 20:19:45,835 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7946210268948656 [2021-04-28 20:19:45,835 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3575 transitions. [2021-04-28 20:19:45,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3575 transitions. [2021-04-28 20:19:45,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:19:45,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3575 transitions. [2021-04-28 20:19:45,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 325.0) internal successors, (3575), 11 states have internal predecessors, (3575), 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 20:19:45,866 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 409.0) internal successors, (4908), 12 states have internal predecessors, (4908), 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 20:19:45,869 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 409.0) internal successors, (4908), 12 states have internal predecessors, (4908), 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 20:19:45,870 INFO L185 Difference]: Start difference. First operand has 101 places, 164 transitions, 1410 flow. Second operand 11 states and 3575 transitions. [2021-04-28 20:19:45,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 187 transitions, 1898 flow [2021-04-28 20:25:12,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 187 transitions, 1559 flow, removed 109 selfloop flow, removed 6 redundant places. [2021-04-28 20:25:12,589 INFO L241 Difference]: Finished difference. Result has 108 places, 159 transitions, 1309 flow [2021-04-28 20:25:12,590 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=1072, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=112, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1309, PETRI_PLACES=108, PETRI_TRANSITIONS=159} [2021-04-28 20:25:12,590 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -48 predicate places. [2021-04-28 20:25:12,590 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:25:12,590 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 159 transitions, 1309 flow [2021-04-28 20:25:12,591 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 159 transitions, 1309 flow [2021-04-28 20:25:12,592 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 159 transitions, 1309 flow [2021-04-28 20:25:14,877 INFO L129 PetriNetUnfolder]: 15482/29455 cut-off events. [2021-04-28 20:25:14,878 INFO L130 PetriNetUnfolder]: For 66109/137370 co-relation queries the response was YES. [2021-04-28 20:25:15,103 INFO L84 FinitePrefix]: Finished finitePrefix Result has 131328 conditions, 29455 events. 15482/29455 cut-off events. For 66109/137370 co-relation queries the response was YES. Maximal size of possible extension queue 7086. Compared 344712 event pairs, 10 based on Foata normal form. 1/8528 useless extension candidates. Maximal degree in co-relation 131298. Up to 17280 conditions per place. [2021-04-28 20:25:15,454 INFO L146 LiptonReduction]: Number of co-enabled transitions 4988 [2021-04-28 20:26:07,379 INFO L158 LiptonReduction]: Checked pairs total: 10200 [2021-04-28 20:26:07,379 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:26:07,379 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 54789 [2021-04-28 20:26:07,381 INFO L480 AbstractCegarLoop]: Abstraction has has 106 places, 159 transitions, 1309 flow [2021-04-28 20:26:07,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 313.85714285714283) internal successors, (2197), 7 states have internal predecessors, (2197), 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 20:26:07,381 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:26:07,381 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, 1, 1, 1, 1, 1, 1] [2021-04-28 20:26:07,382 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 20:26:07,382 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:26:07,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:26:07,382 INFO L82 PathProgramCache]: Analyzing trace with hash 75136928, now seen corresponding path program 1 times [2021-04-28 20:26:07,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:26:07,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775388993] [2021-04-28 20:26:07,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:26:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:26:07,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:26:07,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:26:07,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:26:07,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:26:07,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:26:07,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:26:07,462 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 20:26:07,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775388993] [2021-04-28 20:26:07,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:26:07,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:26:07,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984204221] [2021-04-28 20:26:07,463 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:26:07,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:26:07,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:26:07,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:26:07,466 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 409 [2021-04-28 20:26:07,467 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 159 transitions, 1309 flow. Second operand has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 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 20:26:07,467 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:26:07,467 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 409 [2021-04-28 20:26:07,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:26:12,981 INFO L129 PetriNetUnfolder]: 32870/62579 cut-off events. [2021-04-28 20:26:12,981 INFO L130 PetriNetUnfolder]: For 107473/224043 co-relation queries the response was YES. [2021-04-28 20:26:13,453 INFO L84 FinitePrefix]: Finished finitePrefix Result has 279500 conditions, 62579 events. 32870/62579 cut-off events. For 107473/224043 co-relation queries the response was YES. Maximal size of possible extension queue 14577. Compared 783845 event pairs, 24 based on Foata normal form. 82/18274 useless extension candidates. Maximal degree in co-relation 279468. Up to 36288 conditions per place. [2021-04-28 20:26:13,638 INFO L132 encePairwiseOnDemand]: 405/409 looper letters, 5 selfloop transitions, 7 changer transitions 0/162 dead transitions. [2021-04-28 20:26:13,638 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 162 transitions, 1349 flow [2021-04-28 20:26:13,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:26:13,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:26:13,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1011 transitions. [2021-04-28 20:26:13,643 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6179706601466992 [2021-04-28 20:26:13,643 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1011 transitions. [2021-04-28 20:26:13,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1011 transitions. [2021-04-28 20:26:13,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:26:13,644 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1011 transitions. [2021-04-28 20:26:13,646 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 252.75) internal successors, (1011), 4 states have internal predecessors, (1011), 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 20:26:13,649 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 409.0) internal successors, (2045), 5 states have internal predecessors, (2045), 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 20:26:13,650 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 409.0) internal successors, (2045), 5 states have internal predecessors, (2045), 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 20:26:13,650 INFO L185 Difference]: Start difference. First operand has 106 places, 159 transitions, 1309 flow. Second operand 4 states and 1011 transitions. [2021-04-28 20:26:13,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 162 transitions, 1349 flow Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown