/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-NoLbe-Before.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-match-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 07:03:26,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 07:03:26,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 07:03:26,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 07:03:26,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 07:03:26,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 07:03:26,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 07:03:26,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 07:03:26,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 07:03:26,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 07:03:26,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 07:03:26,606 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 07:03:26,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 07:03:26,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 07:03:26,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 07:03:26,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 07:03:26,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 07:03:26,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 07:03:26,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 07:03:26,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 07:03:26,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 07:03:26,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 07:03:26,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 07:03:26,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 07:03:26,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-19 07:03:26,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-19 07:03:26,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-19 07:03:26,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-19 07:03:26,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-19 07:03:26,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-19 07:03:26,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-19 07:03:26,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-19 07:03:26,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-19 07:03:26,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-19 07:03:26,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-19 07:03:26,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-19 07:03:26,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-19 07:03:26,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-19 07:03:26,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 07:03:26,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 07:03:26,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 07:03:26,625 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-NoLbe-Before.epf [2022-01-19 07:03:26,652 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 07:03:26,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 07:03:26,653 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 07:03:26,653 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 07:03:26,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 07:03:26,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 07:03:26,653 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 07:03:26,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 07:03:26,654 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 07:03:26,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 07:03:26,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 07:03:26,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 07:03:26,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 07:03:26,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 07:03:26,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 07:03:26,655 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 07:03:26,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 07:03:26,655 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 07:03:26,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 07:03:26,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 07:03:26,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 07:03:26,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 07:03:26,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 07:03:26,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 07:03:26,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 07:03:26,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 07:03:26,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 07:03:26,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 07:03:26,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 07:03:26,657 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 07:03:26,657 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 07:03:26,658 INFO L138 SettingsManager]: * When to check the insufficient erros location relative to the other error locations=BEFORE [2022-01-19 07:03:26,658 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 07:03:26,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 07:03:26,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 07:03:26,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 07:03:26,828 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 07:03:26,830 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 07:03:26,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-match-subst.wvr.c [2022-01-19 07:03:26,873 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/096318027/f7d3eef0666c42d4ab0a8c8812cea891/FLAG89439e283 [2022-01-19 07:03:27,294 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 07:03:27,295 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-subst.wvr.c [2022-01-19 07:03:27,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/096318027/f7d3eef0666c42d4ab0a8c8812cea891/FLAG89439e283 [2022-01-19 07:03:27,324 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/096318027/f7d3eef0666c42d4ab0a8c8812cea891 [2022-01-19 07:03:27,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 07:03:27,356 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 07:03:27,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 07:03:27,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 07:03:27,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 07:03:27,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 07:03:27" (1/1) ... [2022-01-19 07:03:27,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c616ba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 07:03:27, skipping insertion in model container [2022-01-19 07:03:27,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 07:03:27" (1/1) ... [2022-01-19 07:03:27,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 07:03:27,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 07:03:27,554 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-subst.wvr.c[3017,3030] [2022-01-19 07:03:27,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 07:03:27,562 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 07:03:27,576 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-subst.wvr.c[3017,3030] [2022-01-19 07:03:27,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 07:03:27,587 INFO L208 MainTranslator]: Completed translation [2022-01-19 07:03:27,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 07:03:27 WrapperNode [2022-01-19 07:03:27,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 07:03:27,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 07:03:27,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 07:03:27,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 07:03:27,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 07:03:27" (1/1) ... [2022-01-19 07:03:27,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 07:03:27" (1/1) ... [2022-01-19 07:03:27,614 INFO L137 Inliner]: procedures = 23, calls = 34, calls flagged for inlining = 12, calls inlined = 22, statements flattened = 254 [2022-01-19 07:03:27,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 07:03:27,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 07:03:27,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 07:03:27,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 07:03:27,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 07:03:27" (1/1) ... [2022-01-19 07:03:27,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 07:03:27" (1/1) ... [2022-01-19 07:03:27,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 07:03:27" (1/1) ... [2022-01-19 07:03:27,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 07:03:27" (1/1) ... [2022-01-19 07:03:27,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 07:03:27" (1/1) ... [2022-01-19 07:03:27,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 07:03:27" (1/1) ... [2022-01-19 07:03:27,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 07:03:27" (1/1) ... [2022-01-19 07:03:27,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 07:03:27,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 07:03:27,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 07:03:27,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 07:03:27,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 07:03:27" (1/1) ... [2022-01-19 07:03:27,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 07:03:27,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 07:03:27,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-19 07:03:27,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-19 07:03:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 07:03:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-19 07:03:27,687 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-19 07:03:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-19 07:03:27,687 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-19 07:03:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-19 07:03:27,688 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-19 07:03:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 07:03:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 07:03:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 07:03:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 07:03:27,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 07:03:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-19 07:03:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 07:03:27,689 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-19 07:03:27,748 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 07:03:27,749 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 07:03:28,022 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 07:03:28,031 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 07:03:28,031 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-19 07:03:28,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 07:03:28 BoogieIcfgContainer [2022-01-19 07:03:28,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 07:03:28,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 07:03:28,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 07:03:28,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 07:03:28,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 07:03:27" (1/3) ... [2022-01-19 07:03:28,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@363a3423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 07:03:28, skipping insertion in model container [2022-01-19 07:03:28,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 07:03:27" (2/3) ... [2022-01-19 07:03:28,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@363a3423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 07:03:28, skipping insertion in model container [2022-01-19 07:03:28,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 07:03:28" (3/3) ... [2022-01-19 07:03:28,037 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-match-subst.wvr.c [2022-01-19 07:03:28,040 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 07:03:28,040 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-19 07:03:28,041 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 07:03:28,091 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,091 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,091 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,091 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,091 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,091 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,101 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,103 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,103 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,103 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,103 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,103 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,103 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,104 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,104 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,104 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,104 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,104 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,104 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,105 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,105 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,105 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,105 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,105 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,105 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,105 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,105 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,106 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,106 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,106 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,106 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,106 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,107 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,107 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,107 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,107 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,107 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,107 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,107 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,107 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,109 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,109 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,109 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,109 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,109 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,110 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,110 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,110 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,111 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,111 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,111 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,111 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,111 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,111 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,111 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,111 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,112 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,112 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,112 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,112 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,112 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,112 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,112 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,112 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,112 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,115 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,115 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,115 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,115 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,115 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,115 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,115 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,116 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,116 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,116 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,116 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,116 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,117 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,117 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,117 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,117 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,117 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,117 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,117 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,120 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,120 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,120 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,120 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,120 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,121 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,121 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,121 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,121 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,121 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,122 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,122 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,122 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,122 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,122 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,122 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,122 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,122 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,123 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,123 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,123 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,123 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,123 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,123 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,123 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,124 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,124 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,124 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,124 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,124 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,124 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,124 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,124 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,125 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,125 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,125 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,125 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,125 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,125 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,125 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,127 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,127 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,127 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,127 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,127 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,127 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,127 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,127 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,127 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,128 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,128 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,128 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,130 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,130 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,130 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,130 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,130 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,130 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,130 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,130 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,131 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,131 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,131 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,131 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,131 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,131 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,132 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,132 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,136 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,136 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,136 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,136 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,136 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,136 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,136 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,137 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,139 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,139 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,139 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,139 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,139 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,139 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,140 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,140 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,140 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,140 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,140 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,140 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,140 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,140 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,141 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,141 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,141 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,141 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,141 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,141 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,141 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,141 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,141 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,142 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,142 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,142 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,142 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,142 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,143 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,143 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,143 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,143 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,143 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,143 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,143 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,143 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,143 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,144 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,144 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,144 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,144 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,144 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,144 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,144 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,144 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,144 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,145 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,145 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,145 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,145 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,145 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,145 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,145 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,145 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,145 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,146 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,146 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,146 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,147 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,147 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,147 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,147 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,147 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,148 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,148 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,148 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,148 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,148 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,148 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,149 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,149 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,149 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,149 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,149 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,150 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,150 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,150 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,150 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,150 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,150 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,151 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,151 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,151 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,151 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,151 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,151 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,151 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,152 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,152 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,152 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,152 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,152 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,152 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,153 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,153 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,153 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,153 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,154 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,154 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,154 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,154 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,154 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,154 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,155 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,155 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,155 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,155 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,156 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,156 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,156 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,156 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,156 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,156 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,156 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,157 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,157 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,157 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,157 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,157 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,157 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,159 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,159 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,164 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,167 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,167 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,167 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,167 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,168 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,168 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,168 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,168 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,168 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,168 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,169 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,170 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,177 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,177 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,177 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,177 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,177 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,177 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,177 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,178 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,178 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,178 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,178 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,178 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,179 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,179 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,180 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,180 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,180 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,180 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,180 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,180 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,180 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,180 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,181 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,181 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,181 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,181 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,181 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,181 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,181 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,181 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,182 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,182 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,182 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,182 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,182 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,183 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,183 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,183 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,183 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,183 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,184 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,184 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,184 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,184 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,184 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,184 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,184 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,185 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,185 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,185 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,185 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,185 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,186 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,186 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,186 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,186 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,186 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,186 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,187 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,187 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,187 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,187 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,187 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,188 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,188 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,188 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,188 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,188 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,188 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,188 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,189 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,189 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,189 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,192 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,197 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,197 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,197 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,197 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,197 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,198 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,198 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,198 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,198 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,198 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,198 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,198 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,199 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,199 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,199 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,199 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,199 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,199 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,199 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,199 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,200 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,200 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,200 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,200 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,200 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,200 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,200 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,201 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,201 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,201 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,201 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,202 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,202 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,202 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,202 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,202 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,202 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,202 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,202 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,203 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,203 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,203 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,203 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,203 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,204 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,204 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,204 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,204 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,204 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,204 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,205 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,205 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,205 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,205 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,205 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,205 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,205 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,206 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,206 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,206 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,206 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,206 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,206 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,206 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,206 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,207 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,207 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,218 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,219 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,219 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,220 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,220 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,220 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,220 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,221 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,221 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,222 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,222 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,222 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,222 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,222 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,222 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,222 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,223 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,223 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,223 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,223 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,223 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,224 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,224 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,224 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,224 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,224 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,225 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,225 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,225 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,225 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,225 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,225 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,225 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,226 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,226 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,226 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,226 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,226 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,226 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,226 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,226 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,227 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,227 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,227 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,227 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,227 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,227 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,227 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,228 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,228 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,228 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,228 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,228 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,228 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,228 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,228 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,229 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,229 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,229 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,232 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,232 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,232 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,233 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,233 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,233 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,233 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,233 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,235 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,239 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,239 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,239 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,240 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,240 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,240 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,240 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,240 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,240 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,240 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,241 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,241 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,241 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,241 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,241 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,241 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,241 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,242 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,243 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,243 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,243 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,243 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,243 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,248 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,252 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,252 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,252 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,253 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,253 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,253 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,253 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,253 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,253 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,253 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 07:03:28,262 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-19 07:03:28,310 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 07:03:28,316 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-19 07:03:28,316 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-19 07:03:28,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 333 places, 349 transitions, 722 flow [2022-01-19 07:03:28,441 INFO L129 PetriNetUnfolder]: 26/346 cut-off events. [2022-01-19 07:03:28,442 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-19 07:03:28,447 INFO L84 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 346 events. 26/346 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 633 event pairs, 0 based on Foata normal form. 0/319 useless extension candidates. Maximal degree in co-relation 256. Up to 2 conditions per place. [2022-01-19 07:03:28,448 INFO L82 GeneralOperation]: Start removeDead. Operand has 333 places, 349 transitions, 722 flow [2022-01-19 07:03:28,453 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 319 places, 335 transitions, 688 flow [2022-01-19 07:03:28,565 INFO L129 PetriNetUnfolder]: 26/334 cut-off events. [2022-01-19 07:03:28,565 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-19 07:03:28,565 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:28,566 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:28,567 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:28,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:28,576 INFO L85 PathProgramCache]: Analyzing trace with hash -742994273, now seen corresponding path program 1 times [2022-01-19 07:03:28,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:28,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004168559] [2022-01-19 07:03:28,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:28,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:29,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:29,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:29,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004168559] [2022-01-19 07:03:29,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004168559] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:29,058 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:29,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-19 07:03:29,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120112916] [2022-01-19 07:03:29,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:29,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 07:03:29,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:29,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 07:03:29,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-19 07:03:29,094 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 349 [2022-01-19 07:03:29,099 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 335 transitions, 688 flow. Second operand has 6 states, 6 states have (on average 316.0) internal successors, (1896), 6 states have internal predecessors, (1896), 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) [2022-01-19 07:03:29,100 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:29,100 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 349 [2022-01-19 07:03:29,100 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:29,267 INFO L129 PetriNetUnfolder]: 31/543 cut-off events. [2022-01-19 07:03:29,267 INFO L130 PetriNetUnfolder]: For 33/39 co-relation queries the response was YES. [2022-01-19 07:03:29,273 INFO L84 FinitePrefix]: Finished finitePrefix Result has 638 conditions, 543 events. 31/543 cut-off events. For 33/39 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1602 event pairs, 6 based on Foata normal form. 77/572 useless extension candidates. Maximal degree in co-relation 509. Up to 31 conditions per place. [2022-01-19 07:03:29,276 INFO L132 encePairwiseOnDemand]: 327/349 looper letters, 26 selfloop transitions, 3 changer transitions 7/336 dead transitions. [2022-01-19 07:03:29,276 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 336 transitions, 789 flow [2022-01-19 07:03:29,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-19 07:03:29,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-01-19 07:03:29,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2580 transitions. [2022-01-19 07:03:29,291 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9240687679083095 [2022-01-19 07:03:29,292 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 2580 transitions. [2022-01-19 07:03:29,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 2580 transitions. [2022-01-19 07:03:29,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:29,296 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2580 transitions. [2022-01-19 07:03:29,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 322.5) internal successors, (2580), 8 states have internal predecessors, (2580), 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) [2022-01-19 07:03:29,309 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 349.0) internal successors, (3141), 9 states have internal predecessors, (3141), 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) [2022-01-19 07:03:29,310 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 349.0) internal successors, (3141), 9 states have internal predecessors, (3141), 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) [2022-01-19 07:03:29,311 INFO L186 Difference]: Start difference. First operand has 319 places, 335 transitions, 688 flow. Second operand 8 states and 2580 transitions. [2022-01-19 07:03:29,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 336 transitions, 789 flow [2022-01-19 07:03:29,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 336 transitions, 759 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-01-19 07:03:29,329 INFO L242 Difference]: Finished difference. Result has 325 places, 321 transitions, 669 flow [2022-01-19 07:03:29,331 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=669, PETRI_PLACES=325, PETRI_TRANSITIONS=321} [2022-01-19 07:03:29,334 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 6 predicate places. [2022-01-19 07:03:29,334 INFO L470 AbstractCegarLoop]: Abstraction has has 325 places, 321 transitions, 669 flow [2022-01-19 07:03:29,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 316.0) internal successors, (1896), 6 states have internal predecessors, (1896), 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) [2022-01-19 07:03:29,335 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:29,336 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:29,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 07:03:29,336 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:29,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:29,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1186332343, now seen corresponding path program 1 times [2022-01-19 07:03:29,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:29,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945910738] [2022-01-19 07:03:29,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:29,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:29,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:29,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:29,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945910738] [2022-01-19 07:03:29,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945910738] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:29,515 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:29,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 07:03:29,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212025123] [2022-01-19 07:03:29,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:29,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 07:03:29,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:29,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 07:03:29,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-19 07:03:29,519 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349 [2022-01-19 07:03:29,521 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 321 transitions, 669 flow. Second operand has 7 states, 7 states have (on average 312.85714285714283) internal successors, (2190), 7 states have internal predecessors, (2190), 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) [2022-01-19 07:03:29,521 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:29,521 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349 [2022-01-19 07:03:29,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:29,745 INFO L129 PetriNetUnfolder]: 54/751 cut-off events. [2022-01-19 07:03:29,745 INFO L130 PetriNetUnfolder]: For 26/44 co-relation queries the response was YES. [2022-01-19 07:03:29,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 916 conditions, 751 events. 54/751 cut-off events. For 26/44 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3042 event pairs, 18 based on Foata normal form. 1/683 useless extension candidates. Maximal degree in co-relation 893. Up to 64 conditions per place. [2022-01-19 07:03:29,753 INFO L132 encePairwiseOnDemand]: 341/349 looper letters, 33 selfloop transitions, 5 changer transitions 6/341 dead transitions. [2022-01-19 07:03:29,753 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 341 transitions, 818 flow [2022-01-19 07:03:29,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-19 07:03:29,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-19 07:03:29,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2833 transitions. [2022-01-19 07:03:29,756 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9019420566698504 [2022-01-19 07:03:29,757 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2833 transitions. [2022-01-19 07:03:29,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2833 transitions. [2022-01-19 07:03:29,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:29,758 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2833 transitions. [2022-01-19 07:03:29,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 314.77777777777777) internal successors, (2833), 9 states have internal predecessors, (2833), 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) [2022-01-19 07:03:29,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 349.0) internal successors, (3490), 10 states have internal predecessors, (3490), 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) [2022-01-19 07:03:29,766 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 349.0) internal successors, (3490), 10 states have internal predecessors, (3490), 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) [2022-01-19 07:03:29,766 INFO L186 Difference]: Start difference. First operand has 325 places, 321 transitions, 669 flow. Second operand 9 states and 2833 transitions. [2022-01-19 07:03:29,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 341 transitions, 818 flow [2022-01-19 07:03:29,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 341 transitions, 811 flow, removed 3 selfloop flow, removed 3 redundant places. [2022-01-19 07:03:29,773 INFO L242 Difference]: Finished difference. Result has 332 places, 323 transitions, 697 flow [2022-01-19 07:03:29,773 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=664, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=697, PETRI_PLACES=332, PETRI_TRANSITIONS=323} [2022-01-19 07:03:29,774 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 13 predicate places. [2022-01-19 07:03:29,774 INFO L470 AbstractCegarLoop]: Abstraction has has 332 places, 323 transitions, 697 flow [2022-01-19 07:03:29,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 312.85714285714283) internal successors, (2190), 7 states have internal predecessors, (2190), 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) [2022-01-19 07:03:29,775 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:29,775 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:29,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-19 07:03:29,775 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:29,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:29,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1589507655, now seen corresponding path program 1 times [2022-01-19 07:03:29,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:29,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475500066] [2022-01-19 07:03:29,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:29,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:29,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:29,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:29,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475500066] [2022-01-19 07:03:29,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475500066] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:29,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:29,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 07:03:29,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217817044] [2022-01-19 07:03:29,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:29,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 07:03:29,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:29,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 07:03:29,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-19 07:03:29,936 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 307 out of 349 [2022-01-19 07:03:29,938 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 323 transitions, 697 flow. Second operand has 8 states, 8 states have (on average 309.75) internal successors, (2478), 8 states have internal predecessors, (2478), 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) [2022-01-19 07:03:29,938 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:29,938 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 349 [2022-01-19 07:03:29,938 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:30,147 INFO L129 PetriNetUnfolder]: 67/775 cut-off events. [2022-01-19 07:03:30,147 INFO L130 PetriNetUnfolder]: For 51/77 co-relation queries the response was YES. [2022-01-19 07:03:30,154 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1041 conditions, 775 events. 67/775 cut-off events. For 51/77 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3273 event pairs, 26 based on Foata normal form. 1/704 useless extension candidates. Maximal degree in co-relation 1013. Up to 84 conditions per place. [2022-01-19 07:03:30,157 INFO L132 encePairwiseOnDemand]: 338/349 looper letters, 41 selfloop transitions, 8 changer transitions 8/351 dead transitions. [2022-01-19 07:03:30,158 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 351 transitions, 904 flow [2022-01-19 07:03:30,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-19 07:03:30,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-01-19 07:03:30,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3738 transitions. [2022-01-19 07:03:30,162 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8925501432664756 [2022-01-19 07:03:30,162 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 3738 transitions. [2022-01-19 07:03:30,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 3738 transitions. [2022-01-19 07:03:30,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:30,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 3738 transitions. [2022-01-19 07:03:30,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 311.5) internal successors, (3738), 12 states have internal predecessors, (3738), 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) [2022-01-19 07:03:30,174 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 349.0) internal successors, (4537), 13 states have internal predecessors, (4537), 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) [2022-01-19 07:03:30,174 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 349.0) internal successors, (4537), 13 states have internal predecessors, (4537), 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) [2022-01-19 07:03:30,174 INFO L186 Difference]: Start difference. First operand has 332 places, 323 transitions, 697 flow. Second operand 12 states and 3738 transitions. [2022-01-19 07:03:30,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 351 transitions, 904 flow [2022-01-19 07:03:30,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 351 transitions, 885 flow, removed 9 selfloop flow, removed 5 redundant places. [2022-01-19 07:03:30,181 INFO L242 Difference]: Finished difference. Result has 343 places, 325 transitions, 729 flow [2022-01-19 07:03:30,181 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=684, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=729, PETRI_PLACES=343, PETRI_TRANSITIONS=325} [2022-01-19 07:03:30,183 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 24 predicate places. [2022-01-19 07:03:30,183 INFO L470 AbstractCegarLoop]: Abstraction has has 343 places, 325 transitions, 729 flow [2022-01-19 07:03:30,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 309.75) internal successors, (2478), 8 states have internal predecessors, (2478), 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) [2022-01-19 07:03:30,184 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:30,184 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:30,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-19 07:03:30,184 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:30,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:30,185 INFO L85 PathProgramCache]: Analyzing trace with hash -232079166, now seen corresponding path program 1 times [2022-01-19 07:03:30,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:30,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896123778] [2022-01-19 07:03:30,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:30,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:30,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:30,344 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:30,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896123778] [2022-01-19 07:03:30,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896123778] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:30,345 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:30,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-19 07:03:30,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855870151] [2022-01-19 07:03:30,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:30,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-19 07:03:30,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:30,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-19 07:03:30,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-01-19 07:03:30,352 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 349 [2022-01-19 07:03:30,354 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 325 transitions, 729 flow. Second operand has 9 states, 9 states have (on average 306.6666666666667) internal successors, (2760), 9 states have internal predecessors, (2760), 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) [2022-01-19 07:03:30,354 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:30,354 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 349 [2022-01-19 07:03:30,354 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:30,631 INFO L129 PetriNetUnfolder]: 88/957 cut-off events. [2022-01-19 07:03:30,632 INFO L130 PetriNetUnfolder]: For 96/130 co-relation queries the response was YES. [2022-01-19 07:03:30,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1334 conditions, 957 events. 88/957 cut-off events. For 96/130 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 4751 event pairs, 36 based on Foata normal form. 1/868 useless extension candidates. Maximal degree in co-relation 1301. Up to 109 conditions per place. [2022-01-19 07:03:30,643 INFO L132 encePairwiseOnDemand]: 336/349 looper letters, 48 selfloop transitions, 10 changer transitions 10/359 dead transitions. [2022-01-19 07:03:30,643 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 359 transitions, 984 flow [2022-01-19 07:03:30,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-19 07:03:30,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2022-01-19 07:03:30,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 4319 transitions. [2022-01-19 07:03:30,649 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8839541547277937 [2022-01-19 07:03:30,649 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 4319 transitions. [2022-01-19 07:03:30,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 4319 transitions. [2022-01-19 07:03:30,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:30,650 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 4319 transitions. [2022-01-19 07:03:30,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 308.5) internal successors, (4319), 14 states have internal predecessors, (4319), 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) [2022-01-19 07:03:30,662 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 349.0) internal successors, (5235), 15 states have internal predecessors, (5235), 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) [2022-01-19 07:03:30,662 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 349.0) internal successors, (5235), 15 states have internal predecessors, (5235), 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) [2022-01-19 07:03:30,663 INFO L186 Difference]: Start difference. First operand has 343 places, 325 transitions, 729 flow. Second operand 14 states and 4319 transitions. [2022-01-19 07:03:30,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 359 transitions, 984 flow [2022-01-19 07:03:30,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 359 transitions, 950 flow, removed 16 selfloop flow, removed 7 redundant places. [2022-01-19 07:03:30,669 INFO L242 Difference]: Finished difference. Result has 354 places, 327 transitions, 760 flow [2022-01-19 07:03:30,670 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=705, PETRI_DIFFERENCE_MINUEND_PLACES=330, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=760, PETRI_PLACES=354, PETRI_TRANSITIONS=327} [2022-01-19 07:03:30,671 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 35 predicate places. [2022-01-19 07:03:30,671 INFO L470 AbstractCegarLoop]: Abstraction has has 354 places, 327 transitions, 760 flow [2022-01-19 07:03:30,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 306.6666666666667) internal successors, (2760), 9 states have internal predecessors, (2760), 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) [2022-01-19 07:03:30,680 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:30,680 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:30,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-19 07:03:30,681 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:30,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:30,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1840379948, now seen corresponding path program 1 times [2022-01-19 07:03:30,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:30,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122491973] [2022-01-19 07:03:30,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:30,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:30,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:30,792 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:30,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122491973] [2022-01-19 07:03:30,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122491973] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:30,792 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:30,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 07:03:30,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231859890] [2022-01-19 07:03:30,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:30,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 07:03:30,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:30,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 07:03:30,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-01-19 07:03:30,795 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 349 [2022-01-19 07:03:30,797 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 327 transitions, 760 flow. Second operand has 8 states, 8 states have (on average 310.75) internal successors, (2486), 8 states have internal predecessors, (2486), 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) [2022-01-19 07:03:30,797 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:30,797 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 349 [2022-01-19 07:03:30,797 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:31,036 INFO L129 PetriNetUnfolder]: 179/969 cut-off events. [2022-01-19 07:03:31,036 INFO L130 PetriNetUnfolder]: For 127/143 co-relation queries the response was YES. [2022-01-19 07:03:31,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1392 conditions, 969 events. 179/969 cut-off events. For 127/143 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 5687 event pairs, 66 based on Foata normal form. 5/899 useless extension candidates. Maximal degree in co-relation 1328. Up to 154 conditions per place. [2022-01-19 07:03:31,049 INFO L132 encePairwiseOnDemand]: 340/349 looper letters, 49 selfloop transitions, 3 changer transitions 26/381 dead transitions. [2022-01-19 07:03:31,049 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 381 transitions, 1058 flow [2022-01-19 07:03:31,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-19 07:03:31,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-01-19 07:03:31,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 4083 transitions. [2022-01-19 07:03:31,055 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.899933877011241 [2022-01-19 07:03:31,055 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 4083 transitions. [2022-01-19 07:03:31,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 4083 transitions. [2022-01-19 07:03:31,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:31,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 4083 transitions. [2022-01-19 07:03:31,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 314.0769230769231) internal successors, (4083), 13 states have internal predecessors, (4083), 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) [2022-01-19 07:03:31,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 349.0) internal successors, (4886), 14 states have internal predecessors, (4886), 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) [2022-01-19 07:03:31,066 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 349.0) internal successors, (4886), 14 states have internal predecessors, (4886), 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) [2022-01-19 07:03:31,066 INFO L186 Difference]: Start difference. First operand has 354 places, 327 transitions, 760 flow. Second operand 13 states and 4083 transitions. [2022-01-19 07:03:31,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 381 transitions, 1058 flow [2022-01-19 07:03:31,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 381 transitions, 1012 flow, removed 22 selfloop flow, removed 9 redundant places. [2022-01-19 07:03:31,074 INFO L242 Difference]: Finished difference. Result has 360 places, 329 transitions, 769 flow [2022-01-19 07:03:31,075 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=726, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=769, PETRI_PLACES=360, PETRI_TRANSITIONS=329} [2022-01-19 07:03:31,076 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 41 predicate places. [2022-01-19 07:03:31,076 INFO L470 AbstractCegarLoop]: Abstraction has has 360 places, 329 transitions, 769 flow [2022-01-19 07:03:31,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 310.75) internal successors, (2486), 8 states have internal predecessors, (2486), 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) [2022-01-19 07:03:31,077 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:31,077 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:31,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-19 07:03:31,077 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:31,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:31,078 INFO L85 PathProgramCache]: Analyzing trace with hash -27308194, now seen corresponding path program 2 times [2022-01-19 07:03:31,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:31,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980030655] [2022-01-19 07:03:31,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:31,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:31,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:31,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:31,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980030655] [2022-01-19 07:03:31,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980030655] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:31,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:31,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 07:03:31,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232586925] [2022-01-19 07:03:31,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:31,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 07:03:31,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:31,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 07:03:31,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-01-19 07:03:31,211 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 349 [2022-01-19 07:03:31,212 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 329 transitions, 769 flow. Second operand has 8 states, 8 states have (on average 310.75) internal successors, (2486), 8 states have internal predecessors, (2486), 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) [2022-01-19 07:03:31,212 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:31,212 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 349 [2022-01-19 07:03:31,212 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:31,536 INFO L129 PetriNetUnfolder]: 255/1411 cut-off events. [2022-01-19 07:03:31,536 INFO L130 PetriNetUnfolder]: For 780/805 co-relation queries the response was YES. [2022-01-19 07:03:31,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2497 conditions, 1411 events. 255/1411 cut-off events. For 780/805 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 10442 event pairs, 130 based on Foata normal form. 1/1299 useless extension candidates. Maximal degree in co-relation 2451. Up to 257 conditions per place. [2022-01-19 07:03:31,553 INFO L132 encePairwiseOnDemand]: 340/349 looper letters, 56 selfloop transitions, 3 changer transitions 25/387 dead transitions. [2022-01-19 07:03:31,553 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 387 transitions, 1182 flow [2022-01-19 07:03:31,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-19 07:03:31,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-01-19 07:03:31,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 4081 transitions. [2022-01-19 07:03:31,559 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8994930570861803 [2022-01-19 07:03:31,559 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 4081 transitions. [2022-01-19 07:03:31,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 4081 transitions. [2022-01-19 07:03:31,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:31,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 4081 transitions. [2022-01-19 07:03:31,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 313.9230769230769) internal successors, (4081), 13 states have internal predecessors, (4081), 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) [2022-01-19 07:03:31,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 349.0) internal successors, (4886), 14 states have internal predecessors, (4886), 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) [2022-01-19 07:03:31,569 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 349.0) internal successors, (4886), 14 states have internal predecessors, (4886), 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) [2022-01-19 07:03:31,569 INFO L186 Difference]: Start difference. First operand has 360 places, 329 transitions, 769 flow. Second operand 13 states and 4081 transitions. [2022-01-19 07:03:31,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 387 transitions, 1182 flow [2022-01-19 07:03:31,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 387 transitions, 1140 flow, removed 19 selfloop flow, removed 7 redundant places. [2022-01-19 07:03:31,576 INFO L242 Difference]: Finished difference. Result has 368 places, 331 transitions, 803 flow [2022-01-19 07:03:31,576 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=756, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=803, PETRI_PLACES=368, PETRI_TRANSITIONS=331} [2022-01-19 07:03:31,578 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 49 predicate places. [2022-01-19 07:03:31,578 INFO L470 AbstractCegarLoop]: Abstraction has has 368 places, 331 transitions, 803 flow [2022-01-19 07:03:31,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 310.75) internal successors, (2486), 8 states have internal predecessors, (2486), 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) [2022-01-19 07:03:31,579 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:31,579 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:31,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-19 07:03:31,579 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:31,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:31,580 INFO L85 PathProgramCache]: Analyzing trace with hash 157564496, now seen corresponding path program 3 times [2022-01-19 07:03:31,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:31,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345361835] [2022-01-19 07:03:31,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:31,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:31,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:31,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:31,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345361835] [2022-01-19 07:03:31,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345361835] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:31,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:31,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 07:03:31,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260950795] [2022-01-19 07:03:31,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:31,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 07:03:31,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:31,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 07:03:31,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-01-19 07:03:31,698 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 349 [2022-01-19 07:03:31,700 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 331 transitions, 803 flow. Second operand has 8 states, 8 states have (on average 310.75) internal successors, (2486), 8 states have internal predecessors, (2486), 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) [2022-01-19 07:03:31,700 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:31,700 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 349 [2022-01-19 07:03:31,700 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:32,030 INFO L129 PetriNetUnfolder]: 270/1432 cut-off events. [2022-01-19 07:03:32,030 INFO L130 PetriNetUnfolder]: For 1504/1523 co-relation queries the response was YES. [2022-01-19 07:03:32,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2904 conditions, 1432 events. 270/1432 cut-off events. For 1504/1523 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 10660 event pairs, 163 based on Foata normal form. 1/1312 useless extension candidates. Maximal degree in co-relation 2853. Up to 350 conditions per place. [2022-01-19 07:03:32,044 INFO L132 encePairwiseOnDemand]: 340/349 looper letters, 38 selfloop transitions, 8 changer transitions 20/369 dead transitions. [2022-01-19 07:03:32,044 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 369 transitions, 1143 flow [2022-01-19 07:03:32,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-19 07:03:32,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-01-19 07:03:32,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3759 transitions. [2022-01-19 07:03:32,049 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8975644699140402 [2022-01-19 07:03:32,049 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 3759 transitions. [2022-01-19 07:03:32,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 3759 transitions. [2022-01-19 07:03:32,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:32,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 3759 transitions. [2022-01-19 07:03:32,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 313.25) internal successors, (3759), 12 states have internal predecessors, (3759), 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) [2022-01-19 07:03:32,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 349.0) internal successors, (4537), 13 states have internal predecessors, (4537), 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) [2022-01-19 07:03:32,059 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 349.0) internal successors, (4537), 13 states have internal predecessors, (4537), 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) [2022-01-19 07:03:32,059 INFO L186 Difference]: Start difference. First operand has 368 places, 331 transitions, 803 flow. Second operand 12 states and 3759 transitions. [2022-01-19 07:03:32,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 369 transitions, 1143 flow [2022-01-19 07:03:32,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 369 transitions, 1115 flow, removed 13 selfloop flow, removed 7 redundant places. [2022-01-19 07:03:32,066 INFO L242 Difference]: Finished difference. Result has 371 places, 338 transitions, 893 flow [2022-01-19 07:03:32,066 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=790, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=893, PETRI_PLACES=371, PETRI_TRANSITIONS=338} [2022-01-19 07:03:32,067 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 52 predicate places. [2022-01-19 07:03:32,067 INFO L470 AbstractCegarLoop]: Abstraction has has 371 places, 338 transitions, 893 flow [2022-01-19 07:03:32,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 310.75) internal successors, (2486), 8 states have internal predecessors, (2486), 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) [2022-01-19 07:03:32,067 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:32,067 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:32,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-19 07:03:32,068 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:32,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:32,068 INFO L85 PathProgramCache]: Analyzing trace with hash -2047788938, now seen corresponding path program 4 times [2022-01-19 07:03:32,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:32,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507377452] [2022-01-19 07:03:32,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:32,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:32,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:32,148 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:32,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507377452] [2022-01-19 07:03:32,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507377452] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:32,149 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:32,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 07:03:32,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052281391] [2022-01-19 07:03:32,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:32,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 07:03:32,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:32,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 07:03:32,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-01-19 07:03:32,151 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 349 [2022-01-19 07:03:32,153 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 338 transitions, 893 flow. Second operand has 8 states, 8 states have (on average 310.75) internal successors, (2486), 8 states have internal predecessors, (2486), 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) [2022-01-19 07:03:32,153 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:32,153 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 349 [2022-01-19 07:03:32,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:32,416 INFO L129 PetriNetUnfolder]: 262/1412 cut-off events. [2022-01-19 07:03:32,416 INFO L130 PetriNetUnfolder]: For 1807/1837 co-relation queries the response was YES. [2022-01-19 07:03:32,430 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3015 conditions, 1412 events. 262/1412 cut-off events. For 1807/1837 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 10482 event pairs, 151 based on Foata normal form. 2/1297 useless extension candidates. Maximal degree in co-relation 2963. Up to 346 conditions per place. [2022-01-19 07:03:32,435 INFO L132 encePairwiseOnDemand]: 340/349 looper letters, 38 selfloop transitions, 12 changer transitions 19/372 dead transitions. [2022-01-19 07:03:32,435 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 372 transitions, 1231 flow [2022-01-19 07:03:32,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-19 07:03:32,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-01-19 07:03:32,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3450 transitions. [2022-01-19 07:03:32,439 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8986715290440219 [2022-01-19 07:03:32,439 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3450 transitions. [2022-01-19 07:03:32,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3450 transitions. [2022-01-19 07:03:32,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:32,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3450 transitions. [2022-01-19 07:03:32,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 313.6363636363636) internal successors, (3450), 11 states have internal predecessors, (3450), 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) [2022-01-19 07:03:32,448 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 349.0) internal successors, (4188), 12 states have internal predecessors, (4188), 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) [2022-01-19 07:03:32,448 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 349.0) internal successors, (4188), 12 states have internal predecessors, (4188), 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) [2022-01-19 07:03:32,448 INFO L186 Difference]: Start difference. First operand has 371 places, 338 transitions, 893 flow. Second operand 11 states and 3450 transitions. [2022-01-19 07:03:32,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 372 transitions, 1231 flow [2022-01-19 07:03:32,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 372 transitions, 1209 flow, removed 11 selfloop flow, removed 3 redundant places. [2022-01-19 07:03:32,457 INFO L242 Difference]: Finished difference. Result has 380 places, 343 transitions, 984 flow [2022-01-19 07:03:32,457 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=875, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=984, PETRI_PLACES=380, PETRI_TRANSITIONS=343} [2022-01-19 07:03:32,458 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 61 predicate places. [2022-01-19 07:03:32,458 INFO L470 AbstractCegarLoop]: Abstraction has has 380 places, 343 transitions, 984 flow [2022-01-19 07:03:32,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 310.75) internal successors, (2486), 8 states have internal predecessors, (2486), 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) [2022-01-19 07:03:32,458 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:32,459 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:32,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-19 07:03:32,459 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:32,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:32,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1545102218, now seen corresponding path program 5 times [2022-01-19 07:03:32,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:32,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781863624] [2022-01-19 07:03:32,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:32,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:32,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:32,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:32,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781863624] [2022-01-19 07:03:32,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781863624] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:32,550 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:32,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 07:03:32,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660862722] [2022-01-19 07:03:32,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:32,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 07:03:32,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:32,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 07:03:32,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-01-19 07:03:32,552 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 349 [2022-01-19 07:03:32,554 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 343 transitions, 984 flow. Second operand has 8 states, 8 states have (on average 310.75) internal successors, (2486), 8 states have internal predecessors, (2486), 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) [2022-01-19 07:03:32,554 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:32,554 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 349 [2022-01-19 07:03:32,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:32,819 INFO L129 PetriNetUnfolder]: 247/1398 cut-off events. [2022-01-19 07:03:32,820 INFO L130 PetriNetUnfolder]: For 2357/2376 co-relation queries the response was YES. [2022-01-19 07:03:32,833 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3115 conditions, 1398 events. 247/1398 cut-off events. For 2357/2376 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 10446 event pairs, 155 based on Foata normal form. 1/1283 useless extension candidates. Maximal degree in co-relation 3057. Up to 347 conditions per place. [2022-01-19 07:03:32,837 INFO L132 encePairwiseOnDemand]: 340/349 looper letters, 36 selfloop transitions, 4 changer transitions 26/369 dead transitions. [2022-01-19 07:03:32,837 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 369 transitions, 1263 flow [2022-01-19 07:03:32,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-19 07:03:32,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-01-19 07:03:32,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3446 transitions. [2022-01-19 07:03:32,842 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8976295910393332 [2022-01-19 07:03:32,842 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3446 transitions. [2022-01-19 07:03:32,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3446 transitions. [2022-01-19 07:03:32,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:32,843 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3446 transitions. [2022-01-19 07:03:32,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 313.27272727272725) internal successors, (3446), 11 states have internal predecessors, (3446), 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) [2022-01-19 07:03:32,851 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 349.0) internal successors, (4188), 12 states have internal predecessors, (4188), 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) [2022-01-19 07:03:32,851 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 349.0) internal successors, (4188), 12 states have internal predecessors, (4188), 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) [2022-01-19 07:03:32,851 INFO L186 Difference]: Start difference. First operand has 380 places, 343 transitions, 984 flow. Second operand 11 states and 3446 transitions. [2022-01-19 07:03:32,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 369 transitions, 1263 flow [2022-01-19 07:03:32,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 369 transitions, 1220 flow, removed 17 selfloop flow, removed 5 redundant places. [2022-01-19 07:03:32,861 INFO L242 Difference]: Finished difference. Result has 385 places, 337 transitions, 898 flow [2022-01-19 07:03:32,861 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=947, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=898, PETRI_PLACES=385, PETRI_TRANSITIONS=337} [2022-01-19 07:03:32,861 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 66 predicate places. [2022-01-19 07:03:32,862 INFO L470 AbstractCegarLoop]: Abstraction has has 385 places, 337 transitions, 898 flow [2022-01-19 07:03:32,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 310.75) internal successors, (2486), 8 states have internal predecessors, (2486), 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) [2022-01-19 07:03:32,862 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:32,862 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:32,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-19 07:03:32,862 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:32,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:32,863 INFO L85 PathProgramCache]: Analyzing trace with hash 2112607538, now seen corresponding path program 6 times [2022-01-19 07:03:32,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:32,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15041826] [2022-01-19 07:03:32,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:32,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:32,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:32,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:32,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15041826] [2022-01-19 07:03:32,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15041826] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:32,945 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:32,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 07:03:32,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85408410] [2022-01-19 07:03:32,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:32,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 07:03:32,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:32,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 07:03:32,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-01-19 07:03:32,948 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 349 [2022-01-19 07:03:32,949 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 337 transitions, 898 flow. Second operand has 8 states, 8 states have (on average 310.75) internal successors, (2486), 8 states have internal predecessors, (2486), 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) [2022-01-19 07:03:32,949 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:32,949 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 349 [2022-01-19 07:03:32,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:33,193 INFO L129 PetriNetUnfolder]: 221/1226 cut-off events. [2022-01-19 07:03:33,193 INFO L130 PetriNetUnfolder]: For 2122/2146 co-relation queries the response was YES. [2022-01-19 07:03:33,207 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2672 conditions, 1226 events. 221/1226 cut-off events. For 2122/2146 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 8559 event pairs, 145 based on Foata normal form. 2/1121 useless extension candidates. Maximal degree in co-relation 2618. Up to 300 conditions per place. [2022-01-19 07:03:33,211 INFO L132 encePairwiseOnDemand]: 340/349 looper letters, 31 selfloop transitions, 2 changer transitions 28/364 dead transitions. [2022-01-19 07:03:33,211 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 364 transitions, 1162 flow [2022-01-19 07:03:33,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-19 07:03:33,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-01-19 07:03:33,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3756 transitions. [2022-01-19 07:03:33,214 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8968481375358166 [2022-01-19 07:03:33,214 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 3756 transitions. [2022-01-19 07:03:33,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 3756 transitions. [2022-01-19 07:03:33,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:33,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 3756 transitions. [2022-01-19 07:03:33,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 313.0) internal successors, (3756), 12 states have internal predecessors, (3756), 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) [2022-01-19 07:03:33,222 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 349.0) internal successors, (4537), 13 states have internal predecessors, (4537), 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) [2022-01-19 07:03:33,222 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 349.0) internal successors, (4537), 13 states have internal predecessors, (4537), 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) [2022-01-19 07:03:33,222 INFO L186 Difference]: Start difference. First operand has 385 places, 337 transitions, 898 flow. Second operand 12 states and 3756 transitions. [2022-01-19 07:03:33,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 364 transitions, 1162 flow [2022-01-19 07:03:33,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 364 transitions, 1112 flow, removed 16 selfloop flow, removed 11 redundant places. [2022-01-19 07:03:33,231 INFO L242 Difference]: Finished difference. Result has 380 places, 331 transitions, 826 flow [2022-01-19 07:03:33,232 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=868, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=826, PETRI_PLACES=380, PETRI_TRANSITIONS=331} [2022-01-19 07:03:33,232 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 61 predicate places. [2022-01-19 07:03:33,232 INFO L470 AbstractCegarLoop]: Abstraction has has 380 places, 331 transitions, 826 flow [2022-01-19 07:03:33,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 310.75) internal successors, (2486), 8 states have internal predecessors, (2486), 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) [2022-01-19 07:03:33,233 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:33,233 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:33,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-19 07:03:33,233 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:33,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:33,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1595665028, now seen corresponding path program 1 times [2022-01-19 07:03:33,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:33,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555869450] [2022-01-19 07:03:33,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:33,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:33,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:33,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:33,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555869450] [2022-01-19 07:03:33,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555869450] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:33,284 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:33,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 07:03:33,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027188480] [2022-01-19 07:03:33,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:33,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 07:03:33,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:33,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 07:03:33,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 07:03:33,286 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349 [2022-01-19 07:03:33,286 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 331 transitions, 826 flow. Second operand has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:03:33,286 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:33,286 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349 [2022-01-19 07:03:33,287 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:33,667 INFO L129 PetriNetUnfolder]: 560/3302 cut-off events. [2022-01-19 07:03:33,667 INFO L130 PetriNetUnfolder]: For 2780/2878 co-relation queries the response was YES. [2022-01-19 07:03:33,696 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5970 conditions, 3302 events. 560/3302 cut-off events. For 2780/2878 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 29590 event pairs, 318 based on Foata normal form. 7/2795 useless extension candidates. Maximal degree in co-relation 5917. Up to 427 conditions per place. [2022-01-19 07:03:33,703 INFO L132 encePairwiseOnDemand]: 345/349 looper letters, 37 selfloop transitions, 2 changer transitions 4/348 dead transitions. [2022-01-19 07:03:33,703 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 348 transitions, 949 flow [2022-01-19 07:03:33,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-19 07:03:33,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-01-19 07:03:33,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1283 transitions. [2022-01-19 07:03:33,705 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.919054441260745 [2022-01-19 07:03:33,705 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1283 transitions. [2022-01-19 07:03:33,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1283 transitions. [2022-01-19 07:03:33,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:33,705 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1283 transitions. [2022-01-19 07:03:33,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 320.75) internal successors, (1283), 4 states have internal predecessors, (1283), 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) [2022-01-19 07:03:33,708 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 349.0) internal successors, (1745), 5 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 07:03:33,708 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 349.0) internal successors, (1745), 5 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 07:03:33,708 INFO L186 Difference]: Start difference. First operand has 380 places, 331 transitions, 826 flow. Second operand 4 states and 1283 transitions. [2022-01-19 07:03:33,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 348 transitions, 949 flow [2022-01-19 07:03:33,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 348 transitions, 921 flow, removed 10 selfloop flow, removed 13 redundant places. [2022-01-19 07:03:33,727 INFO L242 Difference]: Finished difference. Result has 360 places, 330 transitions, 803 flow [2022-01-19 07:03:33,727 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=803, PETRI_PLACES=360, PETRI_TRANSITIONS=330} [2022-01-19 07:03:33,727 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 41 predicate places. [2022-01-19 07:03:33,728 INFO L470 AbstractCegarLoop]: Abstraction has has 360 places, 330 transitions, 803 flow [2022-01-19 07:03:33,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:03:33,728 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:33,728 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:33,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-19 07:03:33,728 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:33,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:33,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1521460524, now seen corresponding path program 2 times [2022-01-19 07:03:33,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:33,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572708999] [2022-01-19 07:03:33,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:33,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:33,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:33,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:33,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572708999] [2022-01-19 07:03:33,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572708999] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:33,773 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:33,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 07:03:33,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288821961] [2022-01-19 07:03:33,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:33,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 07:03:33,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:33,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 07:03:33,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 07:03:33,775 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349 [2022-01-19 07:03:33,776 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 330 transitions, 803 flow. Second operand has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:03:33,776 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:33,776 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349 [2022-01-19 07:03:33,776 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:34,344 INFO L129 PetriNetUnfolder]: 477/3426 cut-off events. [2022-01-19 07:03:34,344 INFO L130 PetriNetUnfolder]: For 1643/1728 co-relation queries the response was YES. [2022-01-19 07:03:34,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6146 conditions, 3426 events. 477/3426 cut-off events. For 1643/1728 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 32829 event pairs, 140 based on Foata normal form. 16/3146 useless extension candidates. Maximal degree in co-relation 5362. Up to 314 conditions per place. [2022-01-19 07:03:34,397 INFO L132 encePairwiseOnDemand]: 341/349 looper letters, 47 selfloop transitions, 8 changer transitions 1/361 dead transitions. [2022-01-19 07:03:34,397 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 361 transitions, 1003 flow [2022-01-19 07:03:34,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 07:03:34,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 07:03:34,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1607 transitions. [2022-01-19 07:03:34,399 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9209169054441261 [2022-01-19 07:03:34,400 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1607 transitions. [2022-01-19 07:03:34,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1607 transitions. [2022-01-19 07:03:34,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:34,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1607 transitions. [2022-01-19 07:03:34,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 321.4) internal successors, (1607), 5 states have internal predecessors, (1607), 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) [2022-01-19 07:03:34,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:03:34,405 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:03:34,405 INFO L186 Difference]: Start difference. First operand has 360 places, 330 transitions, 803 flow. Second operand 5 states and 1607 transitions. [2022-01-19 07:03:34,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 361 transitions, 1003 flow [2022-01-19 07:03:34,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 361 transitions, 997 flow, removed 2 selfloop flow, removed 3 redundant places. [2022-01-19 07:03:34,425 INFO L242 Difference]: Finished difference. Result has 360 places, 337 transitions, 864 flow [2022-01-19 07:03:34,426 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=864, PETRI_PLACES=360, PETRI_TRANSITIONS=337} [2022-01-19 07:03:34,426 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 41 predicate places. [2022-01-19 07:03:34,427 INFO L470 AbstractCegarLoop]: Abstraction has has 360 places, 337 transitions, 864 flow [2022-01-19 07:03:34,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:03:34,427 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:34,427 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:34,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-19 07:03:34,428 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:34,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:34,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1161190256, now seen corresponding path program 3 times [2022-01-19 07:03:34,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:34,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121324067] [2022-01-19 07:03:34,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:34,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:34,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:34,484 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:34,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121324067] [2022-01-19 07:03:34,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121324067] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:34,484 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:34,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 07:03:34,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254057401] [2022-01-19 07:03:34,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:34,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 07:03:34,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:34,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 07:03:34,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 07:03:34,487 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349 [2022-01-19 07:03:34,496 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 337 transitions, 864 flow. Second operand has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:03:34,496 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:34,496 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349 [2022-01-19 07:03:34,496 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:35,262 INFO L129 PetriNetUnfolder]: 619/4557 cut-off events. [2022-01-19 07:03:35,262 INFO L130 PetriNetUnfolder]: For 3052/3180 co-relation queries the response was YES. [2022-01-19 07:03:35,316 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8185 conditions, 4557 events. 619/4557 cut-off events. For 3052/3180 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 45101 event pairs, 408 based on Foata normal form. 14/4147 useless extension candidates. Maximal degree in co-relation 6982. Up to 475 conditions per place. [2022-01-19 07:03:35,330 INFO L132 encePairwiseOnDemand]: 345/349 looper letters, 45 selfloop transitions, 4 changer transitions 1/355 dead transitions. [2022-01-19 07:03:35,330 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 355 transitions, 1036 flow [2022-01-19 07:03:35,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-19 07:03:35,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-01-19 07:03:35,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1282 transitions. [2022-01-19 07:03:35,334 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9183381088825215 [2022-01-19 07:03:35,334 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1282 transitions. [2022-01-19 07:03:35,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1282 transitions. [2022-01-19 07:03:35,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:35,335 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1282 transitions. [2022-01-19 07:03:35,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 320.5) internal successors, (1282), 4 states have internal predecessors, (1282), 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) [2022-01-19 07:03:35,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 349.0) internal successors, (1745), 5 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 07:03:35,341 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 349.0) internal successors, (1745), 5 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 07:03:35,341 INFO L186 Difference]: Start difference. First operand has 360 places, 337 transitions, 864 flow. Second operand 4 states and 1282 transitions. [2022-01-19 07:03:35,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 355 transitions, 1036 flow [2022-01-19 07:03:35,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 355 transitions, 1026 flow, removed 5 selfloop flow, removed 0 redundant places. [2022-01-19 07:03:35,361 INFO L242 Difference]: Finished difference. Result has 365 places, 338 transitions, 883 flow [2022-01-19 07:03:35,362 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=883, PETRI_PLACES=365, PETRI_TRANSITIONS=338} [2022-01-19 07:03:35,362 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 46 predicate places. [2022-01-19 07:03:35,363 INFO L470 AbstractCegarLoop]: Abstraction has has 365 places, 338 transitions, 883 flow [2022-01-19 07:03:35,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:03:35,363 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:35,363 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:35,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-19 07:03:35,364 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:35,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:35,364 INFO L85 PathProgramCache]: Analyzing trace with hash -773437546, now seen corresponding path program 4 times [2022-01-19 07:03:35,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:35,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161284865] [2022-01-19 07:03:35,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:35,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:35,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:35,428 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:35,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161284865] [2022-01-19 07:03:35,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161284865] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:35,428 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:35,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 07:03:35,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121102373] [2022-01-19 07:03:35,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:35,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 07:03:35,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:35,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 07:03:35,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 07:03:35,431 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349 [2022-01-19 07:03:35,432 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 338 transitions, 883 flow. Second operand has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:03:35,432 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:35,432 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349 [2022-01-19 07:03:35,433 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:36,146 INFO L129 PetriNetUnfolder]: 547/4175 cut-off events. [2022-01-19 07:03:36,146 INFO L130 PetriNetUnfolder]: For 3851/3952 co-relation queries the response was YES. [2022-01-19 07:03:36,201 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8323 conditions, 4175 events. 547/4175 cut-off events. For 3851/3952 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 42253 event pairs, 246 based on Foata normal form. 24/3952 useless extension candidates. Maximal degree in co-relation 7106. Up to 361 conditions per place. [2022-01-19 07:03:36,224 INFO L132 encePairwiseOnDemand]: 341/349 looper letters, 48 selfloop transitions, 12 changer transitions 5/370 dead transitions. [2022-01-19 07:03:36,225 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 370 transitions, 1162 flow [2022-01-19 07:03:36,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 07:03:36,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 07:03:36,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1606 transitions. [2022-01-19 07:03:36,227 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9203438395415473 [2022-01-19 07:03:36,227 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1606 transitions. [2022-01-19 07:03:36,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1606 transitions. [2022-01-19 07:03:36,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:36,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1606 transitions. [2022-01-19 07:03:36,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 321.2) internal successors, (1606), 5 states have internal predecessors, (1606), 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) [2022-01-19 07:03:36,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:03:36,233 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:03:36,233 INFO L186 Difference]: Start difference. First operand has 365 places, 338 transitions, 883 flow. Second operand 5 states and 1606 transitions. [2022-01-19 07:03:36,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 370 transitions, 1162 flow [2022-01-19 07:03:36,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 370 transitions, 1158 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-19 07:03:36,263 INFO L242 Difference]: Finished difference. Result has 372 places, 346 transitions, 987 flow [2022-01-19 07:03:36,264 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=987, PETRI_PLACES=372, PETRI_TRANSITIONS=346} [2022-01-19 07:03:36,265 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 53 predicate places. [2022-01-19 07:03:36,265 INFO L470 AbstractCegarLoop]: Abstraction has has 372 places, 346 transitions, 987 flow [2022-01-19 07:03:36,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:03:36,265 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:36,266 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:36,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-19 07:03:36,266 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:36,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:36,267 INFO L85 PathProgramCache]: Analyzing trace with hash 90776712, now seen corresponding path program 5 times [2022-01-19 07:03:36,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:36,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512245285] [2022-01-19 07:03:36,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:36,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:36,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:36,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:36,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512245285] [2022-01-19 07:03:36,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512245285] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:36,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:36,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 07:03:36,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526573655] [2022-01-19 07:03:36,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:36,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 07:03:36,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:36,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 07:03:36,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 07:03:36,335 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349 [2022-01-19 07:03:36,336 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 346 transitions, 987 flow. Second operand has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:03:36,336 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:36,336 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349 [2022-01-19 07:03:36,336 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:37,145 INFO L129 PetriNetUnfolder]: 569/4622 cut-off events. [2022-01-19 07:03:37,145 INFO L130 PetriNetUnfolder]: For 4614/4690 co-relation queries the response was YES. [2022-01-19 07:03:37,173 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9089 conditions, 4622 events. 569/4622 cut-off events. For 4614/4690 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 46908 event pairs, 333 based on Foata normal form. 22/4303 useless extension candidates. Maximal degree in co-relation 8034. Up to 393 conditions per place. [2022-01-19 07:03:37,181 INFO L132 encePairwiseOnDemand]: 339/349 looper letters, 57 selfloop transitions, 10 changer transitions 7/379 dead transitions. [2022-01-19 07:03:37,181 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 379 transitions, 1291 flow [2022-01-19 07:03:37,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 07:03:37,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 07:03:37,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1612 transitions. [2022-01-19 07:03:37,183 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.92378223495702 [2022-01-19 07:03:37,183 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1612 transitions. [2022-01-19 07:03:37,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1612 transitions. [2022-01-19 07:03:37,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:37,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1612 transitions. [2022-01-19 07:03:37,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 322.4) internal successors, (1612), 5 states have internal predecessors, (1612), 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) [2022-01-19 07:03:37,186 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:03:37,186 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:03:37,186 INFO L186 Difference]: Start difference. First operand has 372 places, 346 transitions, 987 flow. Second operand 5 states and 1612 transitions. [2022-01-19 07:03:37,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 379 transitions, 1291 flow [2022-01-19 07:03:37,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 379 transitions, 1273 flow, removed 9 selfloop flow, removed 1 redundant places. [2022-01-19 07:03:37,204 INFO L242 Difference]: Finished difference. Result has 377 places, 349 transitions, 1038 flow [2022-01-19 07:03:37,204 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=965, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1038, PETRI_PLACES=377, PETRI_TRANSITIONS=349} [2022-01-19 07:03:37,205 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 58 predicate places. [2022-01-19 07:03:37,205 INFO L470 AbstractCegarLoop]: Abstraction has has 377 places, 349 transitions, 1038 flow [2022-01-19 07:03:37,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:03:37,205 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:37,205 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:37,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-19 07:03:37,206 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:37,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:37,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1887567964, now seen corresponding path program 1 times [2022-01-19 07:03:37,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:37,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619683847] [2022-01-19 07:03:37,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:37,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:37,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:37,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:37,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619683847] [2022-01-19 07:03:37,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619683847] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:37,244 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:37,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 07:03:37,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901675197] [2022-01-19 07:03:37,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:37,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 07:03:37,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:37,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 07:03:37,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 07:03:37,246 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349 [2022-01-19 07:03:37,247 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 349 transitions, 1038 flow. Second operand has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:03:37,247 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:37,247 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349 [2022-01-19 07:03:37,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:37,803 INFO L129 PetriNetUnfolder]: 512/4437 cut-off events. [2022-01-19 07:03:37,803 INFO L130 PetriNetUnfolder]: For 4786/5070 co-relation queries the response was YES. [2022-01-19 07:03:37,829 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8878 conditions, 4437 events. 512/4437 cut-off events. For 4786/5070 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 46298 event pairs, 221 based on Foata normal form. 12/4117 useless extension candidates. Maximal degree in co-relation 7690. Up to 301 conditions per place. [2022-01-19 07:03:37,838 INFO L132 encePairwiseOnDemand]: 340/349 looper letters, 67 selfloop transitions, 14 changer transitions 5/391 dead transitions. [2022-01-19 07:03:37,838 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 391 transitions, 1516 flow [2022-01-19 07:03:37,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 07:03:37,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 07:03:37,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1608 transitions. [2022-01-19 07:03:37,842 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9214899713467049 [2022-01-19 07:03:37,842 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1608 transitions. [2022-01-19 07:03:37,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1608 transitions. [2022-01-19 07:03:37,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:37,842 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1608 transitions. [2022-01-19 07:03:37,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 321.6) internal successors, (1608), 5 states have internal predecessors, (1608), 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) [2022-01-19 07:03:37,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:03:37,846 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:03:37,847 INFO L186 Difference]: Start difference. First operand has 377 places, 349 transitions, 1038 flow. Second operand 5 states and 1608 transitions. [2022-01-19 07:03:37,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 391 transitions, 1516 flow [2022-01-19 07:03:37,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 391 transitions, 1498 flow, removed 6 selfloop flow, removed 4 redundant places. [2022-01-19 07:03:37,869 INFO L242 Difference]: Finished difference. Result has 380 places, 360 transitions, 1184 flow [2022-01-19 07:03:37,869 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=1022, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1184, PETRI_PLACES=380, PETRI_TRANSITIONS=360} [2022-01-19 07:03:37,869 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 61 predicate places. [2022-01-19 07:03:37,871 INFO L470 AbstractCegarLoop]: Abstraction has has 380 places, 360 transitions, 1184 flow [2022-01-19 07:03:37,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:03:37,871 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:37,872 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:37,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-19 07:03:37,872 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:37,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:37,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1134796298, now seen corresponding path program 2 times [2022-01-19 07:03:37,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:37,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223390385] [2022-01-19 07:03:37,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:37,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:37,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:37,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:37,909 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:37,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223390385] [2022-01-19 07:03:37,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223390385] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:37,910 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:37,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 07:03:37,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688756169] [2022-01-19 07:03:37,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:37,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 07:03:37,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:37,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 07:03:37,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 07:03:37,911 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349 [2022-01-19 07:03:37,912 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 360 transitions, 1184 flow. Second operand has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:03:37,912 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:37,912 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349 [2022-01-19 07:03:37,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:38,542 INFO L129 PetriNetUnfolder]: 547/4727 cut-off events. [2022-01-19 07:03:38,542 INFO L130 PetriNetUnfolder]: For 5598/5914 co-relation queries the response was YES. [2022-01-19 07:03:38,572 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9128 conditions, 4727 events. 547/4727 cut-off events. For 5598/5914 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 47793 event pairs, 318 based on Foata normal form. 30/4358 useless extension candidates. Maximal degree in co-relation 9062. Up to 391 conditions per place. [2022-01-19 07:03:38,580 INFO L132 encePairwiseOnDemand]: 339/349 looper letters, 66 selfloop transitions, 16 changer transitions 4/391 dead transitions. [2022-01-19 07:03:38,581 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 391 transitions, 1530 flow [2022-01-19 07:03:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 07:03:38,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 07:03:38,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1612 transitions. [2022-01-19 07:03:38,583 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.92378223495702 [2022-01-19 07:03:38,583 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1612 transitions. [2022-01-19 07:03:38,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1612 transitions. [2022-01-19 07:03:38,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:38,583 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1612 transitions. [2022-01-19 07:03:38,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 322.4) internal successors, (1612), 5 states have internal predecessors, (1612), 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) [2022-01-19 07:03:38,587 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:03:38,587 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:03:38,587 INFO L186 Difference]: Start difference. First operand has 380 places, 360 transitions, 1184 flow. Second operand 5 states and 1612 transitions. [2022-01-19 07:03:38,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 391 transitions, 1530 flow [2022-01-19 07:03:38,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 391 transitions, 1514 flow, removed 8 selfloop flow, removed 1 redundant places. [2022-01-19 07:03:38,605 INFO L242 Difference]: Finished difference. Result has 386 places, 365 transitions, 1287 flow [2022-01-19 07:03:38,606 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=1134, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1287, PETRI_PLACES=386, PETRI_TRANSITIONS=365} [2022-01-19 07:03:38,606 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 67 predicate places. [2022-01-19 07:03:38,606 INFO L470 AbstractCegarLoop]: Abstraction has has 386 places, 365 transitions, 1287 flow [2022-01-19 07:03:38,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:03:38,606 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:38,606 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:38,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-19 07:03:38,607 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:38,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:38,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1721851518, now seen corresponding path program 3 times [2022-01-19 07:03:38,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:38,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302904724] [2022-01-19 07:03:38,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:38,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:38,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:38,647 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:38,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302904724] [2022-01-19 07:03:38,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302904724] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:38,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:38,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 07:03:38,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830337200] [2022-01-19 07:03:38,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:38,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 07:03:38,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:38,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 07:03:38,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 07:03:38,650 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349 [2022-01-19 07:03:38,650 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 365 transitions, 1287 flow. Second operand has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:03:38,650 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:38,650 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349 [2022-01-19 07:03:38,650 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:39,238 INFO L129 PetriNetUnfolder]: 441/3936 cut-off events. [2022-01-19 07:03:39,238 INFO L130 PetriNetUnfolder]: For 6155/6468 co-relation queries the response was YES. [2022-01-19 07:03:39,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8493 conditions, 3936 events. 441/3936 cut-off events. For 6155/6468 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 39176 event pairs, 204 based on Foata normal form. 11/3664 useless extension candidates. Maximal degree in co-relation 7279. Up to 281 conditions per place. [2022-01-19 07:03:39,285 INFO L132 encePairwiseOnDemand]: 341/349 looper letters, 68 selfloop transitions, 20 changer transitions 1/394 dead transitions. [2022-01-19 07:03:39,285 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 394 transitions, 1702 flow [2022-01-19 07:03:39,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 07:03:39,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 07:03:39,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1604 transitions. [2022-01-19 07:03:39,287 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9191977077363896 [2022-01-19 07:03:39,287 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1604 transitions. [2022-01-19 07:03:39,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1604 transitions. [2022-01-19 07:03:39,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:39,287 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1604 transitions. [2022-01-19 07:03:39,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 320.8) internal successors, (1604), 5 states have internal predecessors, (1604), 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) [2022-01-19 07:03:39,290 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:03:39,290 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:03:39,291 INFO L186 Difference]: Start difference. First operand has 386 places, 365 transitions, 1287 flow. Second operand 5 states and 1604 transitions. [2022-01-19 07:03:39,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 394 transitions, 1702 flow [2022-01-19 07:03:39,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 394 transitions, 1684 flow, removed 9 selfloop flow, removed 0 redundant places. [2022-01-19 07:03:39,315 INFO L242 Difference]: Finished difference. Result has 393 places, 374 transitions, 1460 flow [2022-01-19 07:03:39,316 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=1271, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1460, PETRI_PLACES=393, PETRI_TRANSITIONS=374} [2022-01-19 07:03:39,316 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 74 predicate places. [2022-01-19 07:03:39,316 INFO L470 AbstractCegarLoop]: Abstraction has has 393 places, 374 transitions, 1460 flow [2022-01-19 07:03:39,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:03:39,316 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:39,317 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:39,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-19 07:03:39,317 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:39,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:39,317 INFO L85 PathProgramCache]: Analyzing trace with hash 332516982, now seen corresponding path program 4 times [2022-01-19 07:03:39,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:39,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191521157] [2022-01-19 07:03:39,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:39,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:39,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:39,366 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:39,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191521157] [2022-01-19 07:03:39,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191521157] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:39,366 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:39,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 07:03:39,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277552864] [2022-01-19 07:03:39,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:39,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 07:03:39,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:39,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 07:03:39,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 07:03:39,369 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349 [2022-01-19 07:03:39,369 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 374 transitions, 1460 flow. Second operand has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:03:39,369 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:39,370 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349 [2022-01-19 07:03:39,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:39,936 INFO L129 PetriNetUnfolder]: 510/4611 cut-off events. [2022-01-19 07:03:39,936 INFO L130 PetriNetUnfolder]: For 8247/8827 co-relation queries the response was YES. [2022-01-19 07:03:39,972 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9553 conditions, 4611 events. 510/4611 cut-off events. For 8247/8827 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 46563 event pairs, 330 based on Foata normal form. 7/4247 useless extension candidates. Maximal degree in co-relation 8193. Up to 524 conditions per place. [2022-01-19 07:03:39,981 INFO L132 encePairwiseOnDemand]: 346/349 looper letters, 67 selfloop transitions, 4 changer transitions 7/383 dead transitions. [2022-01-19 07:03:39,981 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 383 transitions, 1688 flow [2022-01-19 07:03:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-19 07:03:39,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-01-19 07:03:39,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1277 transitions. [2022-01-19 07:03:39,982 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.914756446991404 [2022-01-19 07:03:39,982 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1277 transitions. [2022-01-19 07:03:39,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1277 transitions. [2022-01-19 07:03:39,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:39,983 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1277 transitions. [2022-01-19 07:03:39,984 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 319.25) internal successors, (1277), 4 states have internal predecessors, (1277), 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) [2022-01-19 07:03:39,987 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 349.0) internal successors, (1745), 5 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 07:03:39,987 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 349.0) internal successors, (1745), 5 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 07:03:39,987 INFO L186 Difference]: Start difference. First operand has 393 places, 374 transitions, 1460 flow. Second operand 4 states and 1277 transitions. [2022-01-19 07:03:39,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 383 transitions, 1688 flow [2022-01-19 07:03:40,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 383 transitions, 1672 flow, removed 8 selfloop flow, removed 0 redundant places. [2022-01-19 07:03:40,016 INFO L242 Difference]: Finished difference. Result has 398 places, 370 transitions, 1405 flow [2022-01-19 07:03:40,017 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=1444, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1405, PETRI_PLACES=398, PETRI_TRANSITIONS=370} [2022-01-19 07:03:40,017 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 79 predicate places. [2022-01-19 07:03:40,017 INFO L470 AbstractCegarLoop]: Abstraction has has 398 places, 370 transitions, 1405 flow [2022-01-19 07:03:40,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:03:40,017 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:40,017 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:40,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-19 07:03:40,018 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:40,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:40,018 INFO L85 PathProgramCache]: Analyzing trace with hash 2139981444, now seen corresponding path program 5 times [2022-01-19 07:03:40,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:40,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592429476] [2022-01-19 07:03:40,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:40,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:40,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:40,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:40,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592429476] [2022-01-19 07:03:40,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592429476] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:40,105 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:40,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 07:03:40,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251557288] [2022-01-19 07:03:40,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:40,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 07:03:40,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:40,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 07:03:40,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 07:03:40,108 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349 [2022-01-19 07:03:40,109 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 370 transitions, 1405 flow. Second operand has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:03:40,109 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:40,109 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349 [2022-01-19 07:03:40,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:40,785 INFO L129 PetriNetUnfolder]: 490/4282 cut-off events. [2022-01-19 07:03:40,785 INFO L130 PetriNetUnfolder]: For 8466/9151 co-relation queries the response was YES. [2022-01-19 07:03:40,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8841 conditions, 4282 events. 490/4282 cut-off events. For 8466/9151 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 41809 event pairs, 300 based on Foata normal form. 10/3936 useless extension candidates. Maximal degree in co-relation 8792. Up to 462 conditions per place. [2022-01-19 07:03:40,833 INFO L132 encePairwiseOnDemand]: 346/349 looper letters, 65 selfloop transitions, 6 changer transitions 4/380 dead transitions. [2022-01-19 07:03:40,833 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 380 transitions, 1625 flow [2022-01-19 07:03:40,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-19 07:03:40,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-01-19 07:03:40,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1279 transitions. [2022-01-19 07:03:40,851 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.916189111747851 [2022-01-19 07:03:40,851 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1279 transitions. [2022-01-19 07:03:40,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1279 transitions. [2022-01-19 07:03:40,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:40,852 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1279 transitions. [2022-01-19 07:03:40,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 319.75) internal successors, (1279), 4 states have internal predecessors, (1279), 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) [2022-01-19 07:03:40,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 349.0) internal successors, (1745), 5 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 07:03:40,854 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 349.0) internal successors, (1745), 5 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 07:03:40,854 INFO L186 Difference]: Start difference. First operand has 398 places, 370 transitions, 1405 flow. Second operand 4 states and 1279 transitions. [2022-01-19 07:03:40,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 380 transitions, 1625 flow [2022-01-19 07:03:40,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 380 transitions, 1618 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-01-19 07:03:40,895 INFO L242 Difference]: Finished difference. Result has 400 places, 367 transitions, 1374 flow [2022-01-19 07:03:40,895 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=1381, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1374, PETRI_PLACES=400, PETRI_TRANSITIONS=367} [2022-01-19 07:03:40,895 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 81 predicate places. [2022-01-19 07:03:40,895 INFO L470 AbstractCegarLoop]: Abstraction has has 400 places, 367 transitions, 1374 flow [2022-01-19 07:03:40,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:03:40,896 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:40,896 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:40,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-19 07:03:40,915 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:40,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:40,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1581629290, now seen corresponding path program 1 times [2022-01-19 07:03:40,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:40,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015826314] [2022-01-19 07:03:40,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:40,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:40,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:40,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:40,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015826314] [2022-01-19 07:03:40,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015826314] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:40,967 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:40,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 07:03:40,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711158112] [2022-01-19 07:03:40,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:40,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 07:03:40,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:40,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 07:03:40,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 07:03:40,969 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349 [2022-01-19 07:03:40,970 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 367 transitions, 1374 flow. Second operand has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:03:40,971 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:40,971 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349 [2022-01-19 07:03:40,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:41,562 INFO L129 PetriNetUnfolder]: 510/4189 cut-off events. [2022-01-19 07:03:41,563 INFO L130 PetriNetUnfolder]: For 9021/9134 co-relation queries the response was YES. [2022-01-19 07:03:41,601 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9015 conditions, 4189 events. 510/4189 cut-off events. For 9021/9134 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 41226 event pairs, 151 based on Foata normal form. 20/3913 useless extension candidates. Maximal degree in co-relation 8965. Up to 408 conditions per place. [2022-01-19 07:03:41,609 INFO L132 encePairwiseOnDemand]: 341/349 looper letters, 87 selfloop transitions, 16 changer transitions 14/422 dead transitions. [2022-01-19 07:03:41,609 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 422 transitions, 2227 flow [2022-01-19 07:03:41,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 07:03:41,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 07:03:41,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1608 transitions. [2022-01-19 07:03:41,611 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9214899713467049 [2022-01-19 07:03:41,611 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1608 transitions. [2022-01-19 07:03:41,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1608 transitions. [2022-01-19 07:03:41,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:41,611 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1608 transitions. [2022-01-19 07:03:41,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 321.6) internal successors, (1608), 5 states have internal predecessors, (1608), 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) [2022-01-19 07:03:41,614 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:03:41,614 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:03:41,614 INFO L186 Difference]: Start difference. First operand has 400 places, 367 transitions, 1374 flow. Second operand 5 states and 1608 transitions. [2022-01-19 07:03:41,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 422 transitions, 2227 flow [2022-01-19 07:03:41,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 422 transitions, 2206 flow, removed 6 selfloop flow, removed 1 redundant places. [2022-01-19 07:03:41,640 INFO L242 Difference]: Finished difference. Result has 405 places, 377 transitions, 1556 flow [2022-01-19 07:03:41,641 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=1362, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1556, PETRI_PLACES=405, PETRI_TRANSITIONS=377} [2022-01-19 07:03:41,641 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 86 predicate places. [2022-01-19 07:03:41,641 INFO L470 AbstractCegarLoop]: Abstraction has has 405 places, 377 transitions, 1556 flow [2022-01-19 07:03:41,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:03:41,641 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:41,641 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:41,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-19 07:03:41,642 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:41,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:41,642 INFO L85 PathProgramCache]: Analyzing trace with hash 4879054, now seen corresponding path program 2 times [2022-01-19 07:03:41,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:41,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554182415] [2022-01-19 07:03:41,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:41,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:41,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:41,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:41,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554182415] [2022-01-19 07:03:41,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554182415] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:41,680 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:41,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 07:03:41,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375813367] [2022-01-19 07:03:41,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:41,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 07:03:41,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:41,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 07:03:41,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 07:03:41,681 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349 [2022-01-19 07:03:41,682 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 377 transitions, 1556 flow. Second operand has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:03:41,682 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:41,682 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349 [2022-01-19 07:03:41,682 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:42,303 INFO L129 PetriNetUnfolder]: 509/4129 cut-off events. [2022-01-19 07:03:42,303 INFO L130 PetriNetUnfolder]: For 10638/11294 co-relation queries the response was YES. [2022-01-19 07:03:42,330 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9065 conditions, 4129 events. 509/4129 cut-off events. For 10638/11294 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 40226 event pairs, 169 based on Foata normal form. 30/3836 useless extension candidates. Maximal degree in co-relation 9012. Up to 361 conditions per place. [2022-01-19 07:03:42,337 INFO L132 encePairwiseOnDemand]: 340/349 looper letters, 81 selfloop transitions, 25 changer transitions 6/417 dead transitions. [2022-01-19 07:03:42,337 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 417 transitions, 2255 flow [2022-01-19 07:03:42,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 07:03:42,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 07:03:42,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1606 transitions. [2022-01-19 07:03:42,345 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9203438395415473 [2022-01-19 07:03:42,345 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1606 transitions. [2022-01-19 07:03:42,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1606 transitions. [2022-01-19 07:03:42,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:42,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1606 transitions. [2022-01-19 07:03:42,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 321.2) internal successors, (1606), 5 states have internal predecessors, (1606), 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) [2022-01-19 07:03:42,353 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:03:42,353 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:03:42,354 INFO L186 Difference]: Start difference. First operand has 405 places, 377 transitions, 1556 flow. Second operand 5 states and 1606 transitions. [2022-01-19 07:03:42,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 417 transitions, 2255 flow [2022-01-19 07:03:42,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 417 transitions, 2229 flow, removed 13 selfloop flow, removed 0 redundant places. [2022-01-19 07:03:42,392 INFO L242 Difference]: Finished difference. Result has 413 places, 387 transitions, 1785 flow [2022-01-19 07:03:42,392 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=1530, PETRI_DIFFERENCE_MINUEND_PLACES=405, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1785, PETRI_PLACES=413, PETRI_TRANSITIONS=387} [2022-01-19 07:03:42,393 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 94 predicate places. [2022-01-19 07:03:42,393 INFO L470 AbstractCegarLoop]: Abstraction has has 413 places, 387 transitions, 1785 flow [2022-01-19 07:03:42,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:03:42,393 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:42,393 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:42,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-01-19 07:03:42,393 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:42,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:42,394 INFO L85 PathProgramCache]: Analyzing trace with hash 757831568, now seen corresponding path program 1 times [2022-01-19 07:03:42,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:42,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587796381] [2022-01-19 07:03:42,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:42,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:42,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:42,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:42,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587796381] [2022-01-19 07:03:42,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587796381] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:42,516 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:42,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 07:03:42,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080053824] [2022-01-19 07:03:42,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:42,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 07:03:42,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:42,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 07:03:42,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-01-19 07:03:42,521 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349 [2022-01-19 07:03:42,523 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 387 transitions, 1785 flow. Second operand has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:03:42,523 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:42,523 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349 [2022-01-19 07:03:42,523 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:44,198 INFO L129 PetriNetUnfolder]: 2277/7802 cut-off events. [2022-01-19 07:03:44,198 INFO L130 PetriNetUnfolder]: For 9907/10179 co-relation queries the response was YES. [2022-01-19 07:03:44,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17755 conditions, 7802 events. 2277/7802 cut-off events. For 9907/10179 co-relation queries the response was YES. Maximal size of possible extension queue 649. Compared 82356 event pairs, 1433 based on Foata normal form. 8/6970 useless extension candidates. Maximal degree in co-relation 17698. Up to 2942 conditions per place. [2022-01-19 07:03:44,273 INFO L132 encePairwiseOnDemand]: 336/349 looper letters, 80 selfloop transitions, 30 changer transitions 28/491 dead transitions. [2022-01-19 07:03:44,273 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 491 transitions, 2440 flow [2022-01-19 07:03:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-19 07:03:44,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2022-01-19 07:03:44,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 7383 transitions. [2022-01-19 07:03:44,279 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8814469914040115 [2022-01-19 07:03:44,280 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 7383 transitions. [2022-01-19 07:03:44,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 7383 transitions. [2022-01-19 07:03:44,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:44,281 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 7383 transitions. [2022-01-19 07:03:44,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 307.625) internal successors, (7383), 24 states have internal predecessors, (7383), 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) [2022-01-19 07:03:44,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 349.0) internal successors, (8725), 25 states have internal predecessors, (8725), 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) [2022-01-19 07:03:44,299 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 349.0) internal successors, (8725), 25 states have internal predecessors, (8725), 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) [2022-01-19 07:03:44,300 INFO L186 Difference]: Start difference. First operand has 413 places, 387 transitions, 1785 flow. Second operand 24 states and 7383 transitions. [2022-01-19 07:03:44,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 491 transitions, 2440 flow [2022-01-19 07:03:44,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 491 transitions, 2412 flow, removed 14 selfloop flow, removed 0 redundant places. [2022-01-19 07:03:44,338 INFO L242 Difference]: Finished difference. Result has 456 places, 416 transitions, 2047 flow [2022-01-19 07:03:44,339 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=1757, PETRI_DIFFERENCE_MINUEND_PLACES=413, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=2047, PETRI_PLACES=456, PETRI_TRANSITIONS=416} [2022-01-19 07:03:44,339 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 137 predicate places. [2022-01-19 07:03:44,339 INFO L470 AbstractCegarLoop]: Abstraction has has 456 places, 416 transitions, 2047 flow [2022-01-19 07:03:44,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:03:44,340 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:44,340 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:44,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-01-19 07:03:44,340 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:44,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:44,341 INFO L85 PathProgramCache]: Analyzing trace with hash 2144117028, now seen corresponding path program 2 times [2022-01-19 07:03:44,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:44,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345214830] [2022-01-19 07:03:44,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:44,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:44,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:44,444 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:44,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345214830] [2022-01-19 07:03:44,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345214830] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:44,444 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:44,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 07:03:44,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227620671] [2022-01-19 07:03:44,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:44,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 07:03:44,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:44,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 07:03:44,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-01-19 07:03:44,447 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349 [2022-01-19 07:03:44,449 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 416 transitions, 2047 flow. Second operand has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:03:44,449 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:44,449 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349 [2022-01-19 07:03:44,449 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:46,314 INFO L129 PetriNetUnfolder]: 2368/8386 cut-off events. [2022-01-19 07:03:46,315 INFO L130 PetriNetUnfolder]: For 23901/24541 co-relation queries the response was YES. [2022-01-19 07:03:46,502 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24974 conditions, 8386 events. 2368/8386 cut-off events. For 23901/24541 co-relation queries the response was YES. Maximal size of possible extension queue 673. Compared 89120 event pairs, 1328 based on Foata normal form. 10/7520 useless extension candidates. Maximal degree in co-relation 24896. Up to 2658 conditions per place. [2022-01-19 07:03:46,533 INFO L132 encePairwiseOnDemand]: 336/349 looper letters, 113 selfloop transitions, 45 changer transitions 26/537 dead transitions. [2022-01-19 07:03:46,533 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 537 transitions, 3124 flow [2022-01-19 07:03:46,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-19 07:03:46,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2022-01-19 07:03:46,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 7380 transitions. [2022-01-19 07:03:46,539 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8810888252148997 [2022-01-19 07:03:46,539 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 7380 transitions. [2022-01-19 07:03:46,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 7380 transitions. [2022-01-19 07:03:46,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:46,541 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 7380 transitions. [2022-01-19 07:03:46,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 307.5) internal successors, (7380), 24 states have internal predecessors, (7380), 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) [2022-01-19 07:03:46,556 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 349.0) internal successors, (8725), 25 states have internal predecessors, (8725), 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) [2022-01-19 07:03:46,557 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 349.0) internal successors, (8725), 25 states have internal predecessors, (8725), 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) [2022-01-19 07:03:46,557 INFO L186 Difference]: Start difference. First operand has 456 places, 416 transitions, 2047 flow. Second operand 24 states and 7380 transitions. [2022-01-19 07:03:46,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 537 transitions, 3124 flow [2022-01-19 07:03:46,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 537 transitions, 3012 flow, removed 56 selfloop flow, removed 2 redundant places. [2022-01-19 07:03:46,740 INFO L242 Difference]: Finished difference. Result has 495 places, 445 transitions, 2451 flow [2022-01-19 07:03:46,741 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=1973, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=2451, PETRI_PLACES=495, PETRI_TRANSITIONS=445} [2022-01-19 07:03:46,741 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 176 predicate places. [2022-01-19 07:03:46,741 INFO L470 AbstractCegarLoop]: Abstraction has has 495 places, 445 transitions, 2451 flow [2022-01-19 07:03:46,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:03:46,741 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:46,742 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:46,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-01-19 07:03:46,742 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:46,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:46,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1078131910, now seen corresponding path program 3 times [2022-01-19 07:03:46,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:46,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216474483] [2022-01-19 07:03:46,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:46,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:46,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:46,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:46,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216474483] [2022-01-19 07:03:46,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216474483] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:46,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:46,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 07:03:46,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610019706] [2022-01-19 07:03:46,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:46,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 07:03:46,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:46,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 07:03:46,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-01-19 07:03:46,943 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349 [2022-01-19 07:03:46,944 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 495 places, 445 transitions, 2451 flow. Second operand has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:03:46,944 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:46,944 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349 [2022-01-19 07:03:46,944 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:49,042 INFO L129 PetriNetUnfolder]: 2540/8738 cut-off events. [2022-01-19 07:03:49,042 INFO L130 PetriNetUnfolder]: For 39420/39738 co-relation queries the response was YES. [2022-01-19 07:03:49,132 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30805 conditions, 8738 events. 2540/8738 cut-off events. For 39420/39738 co-relation queries the response was YES. Maximal size of possible extension queue 725. Compared 93968 event pairs, 1604 based on Foata normal form. 14/7810 useless extension candidates. Maximal degree in co-relation 30708. Up to 3411 conditions per place. [2022-01-19 07:03:49,155 INFO L132 encePairwiseOnDemand]: 336/349 looper letters, 101 selfloop transitions, 56 changer transitions 24/534 dead transitions. [2022-01-19 07:03:49,155 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 534 transitions, 3699 flow [2022-01-19 07:03:49,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-01-19 07:03:49,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2022-01-19 07:03:49,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 6761 transitions. [2022-01-19 07:03:49,159 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8805678562125554 [2022-01-19 07:03:49,159 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 6761 transitions. [2022-01-19 07:03:49,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 6761 transitions. [2022-01-19 07:03:49,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:49,160 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 6761 transitions. [2022-01-19 07:03:49,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 307.3181818181818) internal successors, (6761), 22 states have internal predecessors, (6761), 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) [2022-01-19 07:03:49,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 349.0) internal successors, (8027), 23 states have internal predecessors, (8027), 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) [2022-01-19 07:03:49,168 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 349.0) internal successors, (8027), 23 states have internal predecessors, (8027), 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) [2022-01-19 07:03:49,168 INFO L186 Difference]: Start difference. First operand has 495 places, 445 transitions, 2451 flow. Second operand 22 states and 6761 transitions. [2022-01-19 07:03:49,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 514 places, 534 transitions, 3699 flow [2022-01-19 07:03:49,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 512 places, 534 transitions, 3429 flow, removed 135 selfloop flow, removed 2 redundant places. [2022-01-19 07:03:49,543 INFO L242 Difference]: Finished difference. Result has 526 places, 475 transitions, 2896 flow [2022-01-19 07:03:49,544 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=2303, PETRI_DIFFERENCE_MINUEND_PLACES=491, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=2896, PETRI_PLACES=526, PETRI_TRANSITIONS=475} [2022-01-19 07:03:49,544 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 207 predicate places. [2022-01-19 07:03:49,544 INFO L470 AbstractCegarLoop]: Abstraction has has 526 places, 475 transitions, 2896 flow [2022-01-19 07:03:49,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:03:49,545 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:49,545 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:49,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-19 07:03:49,545 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:49,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:49,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1289019372, now seen corresponding path program 4 times [2022-01-19 07:03:49,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:49,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809634150] [2022-01-19 07:03:49,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:49,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:49,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:49,640 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:49,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809634150] [2022-01-19 07:03:49,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809634150] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:49,640 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:49,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 07:03:49,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092116458] [2022-01-19 07:03:49,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:49,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 07:03:49,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:49,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 07:03:49,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-01-19 07:03:49,643 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349 [2022-01-19 07:03:49,644 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 475 transitions, 2896 flow. Second operand has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:03:49,644 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:49,644 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349 [2022-01-19 07:03:49,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:51,900 INFO L129 PetriNetUnfolder]: 2744/9522 cut-off events. [2022-01-19 07:03:51,900 INFO L130 PetriNetUnfolder]: For 51212/52096 co-relation queries the response was YES. [2022-01-19 07:03:52,113 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34355 conditions, 9522 events. 2744/9522 cut-off events. For 51212/52096 co-relation queries the response was YES. Maximal size of possible extension queue 793. Compared 103517 event pairs, 1599 based on Foata normal form. 10/8546 useless extension candidates. Maximal degree in co-relation 34245. Up to 3196 conditions per place. [2022-01-19 07:03:52,149 INFO L132 encePairwiseOnDemand]: 336/349 looper letters, 120 selfloop transitions, 61 changer transitions 22/556 dead transitions. [2022-01-19 07:03:52,150 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 556 transitions, 4212 flow [2022-01-19 07:03:52,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-19 07:03:52,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2022-01-19 07:03:52,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 6152 transitions. [2022-01-19 07:03:52,153 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8813753581661891 [2022-01-19 07:03:52,153 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 6152 transitions. [2022-01-19 07:03:52,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 6152 transitions. [2022-01-19 07:03:52,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:52,153 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 6152 transitions. [2022-01-19 07:03:52,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 307.6) internal successors, (6152), 20 states have internal predecessors, (6152), 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) [2022-01-19 07:03:52,160 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 349.0) internal successors, (7329), 21 states have internal predecessors, (7329), 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) [2022-01-19 07:03:52,160 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 349.0) internal successors, (7329), 21 states have internal predecessors, (7329), 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) [2022-01-19 07:03:52,160 INFO L186 Difference]: Start difference. First operand has 526 places, 475 transitions, 2896 flow. Second operand 20 states and 6152 transitions. [2022-01-19 07:03:52,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 556 transitions, 4212 flow [2022-01-19 07:03:52,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 556 transitions, 3962 flow, removed 125 selfloop flow, removed 2 redundant places. [2022-01-19 07:03:52,477 INFO L242 Difference]: Finished difference. Result has 556 places, 507 transitions, 3422 flow [2022-01-19 07:03:52,478 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=2686, PETRI_DIFFERENCE_MINUEND_PLACES=522, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=475, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=434, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=3422, PETRI_PLACES=556, PETRI_TRANSITIONS=507} [2022-01-19 07:03:52,478 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 237 predicate places. [2022-01-19 07:03:52,478 INFO L470 AbstractCegarLoop]: Abstraction has has 556 places, 507 transitions, 3422 flow [2022-01-19 07:03:52,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:03:52,479 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:52,479 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:52,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-01-19 07:03:52,479 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:52,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:52,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1782446198, now seen corresponding path program 5 times [2022-01-19 07:03:52,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:52,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207923752] [2022-01-19 07:03:52,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:52,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:52,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:52,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:52,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207923752] [2022-01-19 07:03:52,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207923752] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:52,565 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:52,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 07:03:52,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975003565] [2022-01-19 07:03:52,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:52,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 07:03:52,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:52,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 07:03:52,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-01-19 07:03:52,567 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349 [2022-01-19 07:03:52,568 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 556 places, 507 transitions, 3422 flow. Second operand has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:03:52,568 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:52,568 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349 [2022-01-19 07:03:52,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:55,112 INFO L129 PetriNetUnfolder]: 2810/9678 cut-off events. [2022-01-19 07:03:55,113 INFO L130 PetriNetUnfolder]: For 68924/69292 co-relation queries the response was YES. [2022-01-19 07:03:55,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37936 conditions, 9678 events. 2810/9678 cut-off events. For 68924/69292 co-relation queries the response was YES. Maximal size of possible extension queue 821. Compared 106602 event pairs, 1672 based on Foata normal form. 13/8667 useless extension candidates. Maximal degree in co-relation 37812. Up to 3693 conditions per place. [2022-01-19 07:03:55,254 INFO L132 encePairwiseOnDemand]: 336/349 looper letters, 139 selfloop transitions, 78 changer transitions 19/589 dead transitions. [2022-01-19 07:03:55,254 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 573 places, 589 transitions, 4901 flow [2022-01-19 07:03:55,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-19 07:03:55,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2022-01-19 07:03:55,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 6148 transitions. [2022-01-19 07:03:55,258 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8808022922636103 [2022-01-19 07:03:55,258 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 6148 transitions. [2022-01-19 07:03:55,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 6148 transitions. [2022-01-19 07:03:55,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:55,259 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 6148 transitions. [2022-01-19 07:03:55,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 307.4) internal successors, (6148), 20 states have internal predecessors, (6148), 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) [2022-01-19 07:03:55,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 349.0) internal successors, (7329), 21 states have internal predecessors, (7329), 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) [2022-01-19 07:03:55,266 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 349.0) internal successors, (7329), 21 states have internal predecessors, (7329), 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) [2022-01-19 07:03:55,266 INFO L186 Difference]: Start difference. First operand has 556 places, 507 transitions, 3422 flow. Second operand 20 states and 6148 transitions. [2022-01-19 07:03:55,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 573 places, 589 transitions, 4901 flow [2022-01-19 07:03:55,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 571 places, 589 transitions, 4517 flow, removed 192 selfloop flow, removed 2 redundant places. [2022-01-19 07:03:55,905 INFO L242 Difference]: Finished difference. Result has 586 places, 538 transitions, 3957 flow [2022-01-19 07:03:55,914 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=3168, PETRI_DIFFERENCE_MINUEND_PLACES=552, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=507, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=450, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=3957, PETRI_PLACES=586, PETRI_TRANSITIONS=538} [2022-01-19 07:03:55,914 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 267 predicate places. [2022-01-19 07:03:55,915 INFO L470 AbstractCegarLoop]: Abstraction has has 586 places, 538 transitions, 3957 flow [2022-01-19 07:03:55,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:03:55,915 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:55,915 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:55,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-01-19 07:03:55,915 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:55,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:55,916 INFO L85 PathProgramCache]: Analyzing trace with hash 907104584, now seen corresponding path program 6 times [2022-01-19 07:03:55,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:55,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583810894] [2022-01-19 07:03:55,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:55,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:55,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:55,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:55,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583810894] [2022-01-19 07:03:55,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583810894] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:55,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:55,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 07:03:55,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331039328] [2022-01-19 07:03:55,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:55,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 07:03:55,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:55,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 07:03:55,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-01-19 07:03:55,997 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349 [2022-01-19 07:03:55,998 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 586 places, 538 transitions, 3957 flow. Second operand has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:03:55,998 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:55,998 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349 [2022-01-19 07:03:55,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:03:58,776 INFO L129 PetriNetUnfolder]: 2850/9990 cut-off events. [2022-01-19 07:03:58,776 INFO L130 PetriNetUnfolder]: For 77438/77826 co-relation queries the response was YES. [2022-01-19 07:03:58,897 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39780 conditions, 9990 events. 2850/9990 cut-off events. For 77438/77826 co-relation queries the response was YES. Maximal size of possible extension queue 839. Compared 111681 event pairs, 1660 based on Foata normal form. 24/9002 useless extension candidates. Maximal degree in co-relation 39642. Up to 3717 conditions per place. [2022-01-19 07:03:58,923 INFO L132 encePairwiseOnDemand]: 336/349 looper letters, 140 selfloop transitions, 96 changer transitions 17/606 dead transitions. [2022-01-19 07:03:58,924 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 601 places, 606 transitions, 5344 flow [2022-01-19 07:03:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-19 07:03:58,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2022-01-19 07:03:58,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 5537 transitions. [2022-01-19 07:03:58,927 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8814071951607768 [2022-01-19 07:03:58,927 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 5537 transitions. [2022-01-19 07:03:58,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 5537 transitions. [2022-01-19 07:03:58,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:03:58,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 5537 transitions. [2022-01-19 07:03:58,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 307.6111111111111) internal successors, (5537), 18 states have internal predecessors, (5537), 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) [2022-01-19 07:03:58,933 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 349.0) internal successors, (6631), 19 states have internal predecessors, (6631), 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) [2022-01-19 07:03:58,933 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 349.0) internal successors, (6631), 19 states have internal predecessors, (6631), 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) [2022-01-19 07:03:58,933 INFO L186 Difference]: Start difference. First operand has 586 places, 538 transitions, 3957 flow. Second operand 18 states and 5537 transitions. [2022-01-19 07:03:58,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 601 places, 606 transitions, 5344 flow [2022-01-19 07:03:59,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 599 places, 606 transitions, 4928 flow, removed 208 selfloop flow, removed 2 redundant places. [2022-01-19 07:03:59,533 INFO L242 Difference]: Finished difference. Result has 607 places, 559 transitions, 4350 flow [2022-01-19 07:03:59,533 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=3735, PETRI_DIFFERENCE_MINUEND_PLACES=582, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=456, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=4350, PETRI_PLACES=607, PETRI_TRANSITIONS=559} [2022-01-19 07:03:59,533 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 288 predicate places. [2022-01-19 07:03:59,533 INFO L470 AbstractCegarLoop]: Abstraction has has 607 places, 559 transitions, 4350 flow [2022-01-19 07:03:59,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:03:59,534 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:03:59,534 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:03:59,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-01-19 07:03:59,534 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:03:59,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:03:59,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1145114812, now seen corresponding path program 7 times [2022-01-19 07:03:59,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:03:59,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129151023] [2022-01-19 07:03:59,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:03:59,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:03:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:03:59,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:03:59,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:03:59,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129151023] [2022-01-19 07:03:59,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129151023] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:03:59,617 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:03:59,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 07:03:59,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336700957] [2022-01-19 07:03:59,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:03:59,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 07:03:59,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:03:59,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 07:03:59,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-01-19 07:03:59,619 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349 [2022-01-19 07:03:59,620 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 607 places, 559 transitions, 4350 flow. Second operand has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:03:59,620 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:03:59,620 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349 [2022-01-19 07:03:59,621 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:04:02,723 INFO L129 PetriNetUnfolder]: 2946/10266 cut-off events. [2022-01-19 07:04:02,723 INFO L130 PetriNetUnfolder]: For 61426/61810 co-relation queries the response was YES. [2022-01-19 07:04:02,953 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40314 conditions, 10266 events. 2946/10266 cut-off events. For 61426/61810 co-relation queries the response was YES. Maximal size of possible extension queue 873. Compared 115471 event pairs, 1680 based on Foata normal form. 19/9243 useless extension candidates. Maximal degree in co-relation 40169. Up to 3795 conditions per place. [2022-01-19 07:04:03,001 INFO L132 encePairwiseOnDemand]: 336/349 looper letters, 151 selfloop transitions, 100 changer transitions 16/620 dead transitions. [2022-01-19 07:04:03,001 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 621 places, 620 transitions, 5603 flow [2022-01-19 07:04:03,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-19 07:04:03,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2022-01-19 07:04:03,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 5234 transitions. [2022-01-19 07:04:03,006 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8821843923815945 [2022-01-19 07:04:03,007 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 5234 transitions. [2022-01-19 07:04:03,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 5234 transitions. [2022-01-19 07:04:03,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:04:03,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 5234 transitions. [2022-01-19 07:04:03,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 307.88235294117646) internal successors, (5234), 17 states have internal predecessors, (5234), 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) [2022-01-19 07:04:03,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 349.0) internal successors, (6282), 18 states have internal predecessors, (6282), 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) [2022-01-19 07:04:03,017 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 349.0) internal successors, (6282), 18 states have internal predecessors, (6282), 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) [2022-01-19 07:04:03,017 INFO L186 Difference]: Start difference. First operand has 607 places, 559 transitions, 4350 flow. Second operand 17 states and 5234 transitions. [2022-01-19 07:04:03,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 621 places, 620 transitions, 5603 flow [2022-01-19 07:04:03,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 619 places, 620 transitions, 5421 flow, removed 91 selfloop flow, removed 2 redundant places. [2022-01-19 07:04:03,700 INFO L242 Difference]: Finished difference. Result has 628 places, 580 transitions, 4857 flow [2022-01-19 07:04:03,700 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=4202, PETRI_DIFFERENCE_MINUEND_PLACES=603, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=559, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=474, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=4857, PETRI_PLACES=628, PETRI_TRANSITIONS=580} [2022-01-19 07:04:03,702 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 309 predicate places. [2022-01-19 07:04:03,702 INFO L470 AbstractCegarLoop]: Abstraction has has 628 places, 580 transitions, 4857 flow [2022-01-19 07:04:03,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:04:03,703 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:04:03,703 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:04:03,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-01-19 07:04:03,703 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:04:03,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:04:03,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1457870368, now seen corresponding path program 8 times [2022-01-19 07:04:03,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:04:03,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632810636] [2022-01-19 07:04:03,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:04:03,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:04:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:04:03,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:04:03,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:04:03,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632810636] [2022-01-19 07:04:03,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632810636] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:04:03,844 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:04:03,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 07:04:03,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179690396] [2022-01-19 07:04:03,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:04:03,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 07:04:03,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:04:03,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 07:04:03,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-01-19 07:04:03,847 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349 [2022-01-19 07:04:03,858 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 628 places, 580 transitions, 4857 flow. Second operand has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:04:03,858 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:04:03,858 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349 [2022-01-19 07:04:03,858 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:04:06,945 INFO L129 PetriNetUnfolder]: 2948/10438 cut-off events. [2022-01-19 07:04:06,946 INFO L130 PetriNetUnfolder]: For 67266/67651 co-relation queries the response was YES. [2022-01-19 07:04:07,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41743 conditions, 10438 events. 2948/10438 cut-off events. For 67266/67651 co-relation queries the response was YES. Maximal size of possible extension queue 881. Compared 118466 event pairs, 1674 based on Foata normal form. 24/9431 useless extension candidates. Maximal degree in co-relation 41590. Up to 3849 conditions per place. [2022-01-19 07:04:07,131 INFO L132 encePairwiseOnDemand]: 336/349 looper letters, 151 selfloop transitions, 107 changer transitions 19/630 dead transitions. [2022-01-19 07:04:07,131 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 641 places, 630 transitions, 5875 flow [2022-01-19 07:04:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-19 07:04:07,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-01-19 07:04:07,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 4926 transitions. [2022-01-19 07:04:07,147 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8821633237822349 [2022-01-19 07:04:07,147 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 4926 transitions. [2022-01-19 07:04:07,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 4926 transitions. [2022-01-19 07:04:07,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:04:07,148 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 4926 transitions. [2022-01-19 07:04:07,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 307.875) internal successors, (4926), 16 states have internal predecessors, (4926), 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) [2022-01-19 07:04:07,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 349.0) internal successors, (5933), 17 states have internal predecessors, (5933), 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) [2022-01-19 07:04:07,154 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 349.0) internal successors, (5933), 17 states have internal predecessors, (5933), 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) [2022-01-19 07:04:07,154 INFO L186 Difference]: Start difference. First operand has 628 places, 580 transitions, 4857 flow. Second operand 16 states and 4926 transitions. [2022-01-19 07:04:07,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 641 places, 630 transitions, 5875 flow [2022-01-19 07:04:07,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 639 places, 630 transitions, 5727 flow, removed 74 selfloop flow, removed 2 redundant places. [2022-01-19 07:04:07,706 INFO L242 Difference]: Finished difference. Result has 646 places, 588 transitions, 5123 flow [2022-01-19 07:04:07,706 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=4713, PETRI_DIFFERENCE_MINUEND_PLACES=624, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=580, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=99, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=477, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=5123, PETRI_PLACES=646, PETRI_TRANSITIONS=588} [2022-01-19 07:04:07,706 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 327 predicate places. [2022-01-19 07:04:07,707 INFO L470 AbstractCegarLoop]: Abstraction has has 646 places, 588 transitions, 5123 flow [2022-01-19 07:04:07,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:04:07,707 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:04:07,707 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:04:07,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-01-19 07:04:07,707 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:04:07,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:04:07,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1919101692, now seen corresponding path program 9 times [2022-01-19 07:04:07,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:04:07,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13739862] [2022-01-19 07:04:07,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:04:07,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:04:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:04:07,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:04:07,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:04:07,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13739862] [2022-01-19 07:04:07,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13739862] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:04:07,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:04:07,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 07:04:07,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521848230] [2022-01-19 07:04:07,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:04:07,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 07:04:07,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:04:07,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 07:04:07,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-01-19 07:04:07,804 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349 [2022-01-19 07:04:07,805 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 646 places, 588 transitions, 5123 flow. Second operand has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:04:07,805 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:04:07,805 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349 [2022-01-19 07:04:07,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:04:10,845 INFO L129 PetriNetUnfolder]: 3008/10670 cut-off events. [2022-01-19 07:04:10,845 INFO L130 PetriNetUnfolder]: For 73009/73394 co-relation queries the response was YES. [2022-01-19 07:04:10,990 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43956 conditions, 10670 events. 3008/10670 cut-off events. For 73009/73394 co-relation queries the response was YES. Maximal size of possible extension queue 905. Compared 121864 event pairs, 1670 based on Foata normal form. 19/9627 useless extension candidates. Maximal degree in co-relation 43797. Up to 3745 conditions per place. [2022-01-19 07:04:11,020 INFO L132 encePairwiseOnDemand]: 336/349 looper letters, 185 selfloop transitions, 98 changer transitions 23/659 dead transitions. [2022-01-19 07:04:11,020 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 664 places, 659 transitions, 6641 flow [2022-01-19 07:04:11,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-19 07:04:11,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2022-01-19 07:04:11,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6458 transitions. [2022-01-19 07:04:11,027 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8811570473461591 [2022-01-19 07:04:11,028 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 6458 transitions. [2022-01-19 07:04:11,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 6458 transitions. [2022-01-19 07:04:11,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:04:11,029 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 6458 transitions. [2022-01-19 07:04:11,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 307.5238095238095) internal successors, (6458), 21 states have internal predecessors, (6458), 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) [2022-01-19 07:04:11,039 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 349.0) internal successors, (7678), 22 states have internal predecessors, (7678), 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) [2022-01-19 07:04:11,039 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 349.0) internal successors, (7678), 22 states have internal predecessors, (7678), 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) [2022-01-19 07:04:11,039 INFO L186 Difference]: Start difference. First operand has 646 places, 588 transitions, 5123 flow. Second operand 21 states and 6458 transitions. [2022-01-19 07:04:11,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 664 places, 659 transitions, 6641 flow [2022-01-19 07:04:11,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 661 places, 659 transitions, 6522 flow, removed 37 selfloop flow, removed 3 redundant places. [2022-01-19 07:04:11,886 INFO L242 Difference]: Finished difference. Result has 675 places, 612 transitions, 5858 flow [2022-01-19 07:04:11,887 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=5036, PETRI_DIFFERENCE_MINUEND_PLACES=641, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=588, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=504, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=5858, PETRI_PLACES=675, PETRI_TRANSITIONS=612} [2022-01-19 07:04:11,887 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 356 predicate places. [2022-01-19 07:04:11,887 INFO L470 AbstractCegarLoop]: Abstraction has has 675 places, 612 transitions, 5858 flow [2022-01-19 07:04:11,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:04:11,888 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:04:11,888 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:04:11,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-01-19 07:04:11,888 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:04:11,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:04:11,888 INFO L85 PathProgramCache]: Analyzing trace with hash -2078172640, now seen corresponding path program 10 times [2022-01-19 07:04:11,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:04:11,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517342279] [2022-01-19 07:04:11,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:04:11,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:04:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:04:12,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:04:12,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:04:12,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517342279] [2022-01-19 07:04:12,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517342279] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:04:12,039 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:04:12,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 07:04:12,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184260965] [2022-01-19 07:04:12,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:04:12,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 07:04:12,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:04:12,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 07:04:12,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-01-19 07:04:12,043 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349 [2022-01-19 07:04:12,044 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 675 places, 612 transitions, 5858 flow. Second operand has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:04:12,044 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:04:12,044 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349 [2022-01-19 07:04:12,044 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:04:15,535 INFO L129 PetriNetUnfolder]: 3038/10836 cut-off events. [2022-01-19 07:04:15,535 INFO L130 PetriNetUnfolder]: For 83989/84386 co-relation queries the response was YES. [2022-01-19 07:04:15,696 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46368 conditions, 10836 events. 3038/10836 cut-off events. For 83989/84386 co-relation queries the response was YES. Maximal size of possible extension queue 921. Compared 124256 event pairs, 1718 based on Foata normal form. 19/9775 useless extension candidates. Maximal degree in co-relation 46197. Up to 3953 conditions per place. [2022-01-19 07:04:15,729 INFO L132 encePairwiseOnDemand]: 336/349 looper letters, 167 selfloop transitions, 120 changer transitions 20/660 dead transitions. [2022-01-19 07:04:15,729 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 690 places, 660 transitions, 7031 flow [2022-01-19 07:04:15,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-19 07:04:15,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2022-01-19 07:04:15,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 5537 transitions. [2022-01-19 07:04:15,736 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8814071951607768 [2022-01-19 07:04:15,736 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 5537 transitions. [2022-01-19 07:04:15,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 5537 transitions. [2022-01-19 07:04:15,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:04:15,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 5537 transitions. [2022-01-19 07:04:15,936 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 307.6111111111111) internal successors, (5537), 18 states have internal predecessors, (5537), 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) [2022-01-19 07:04:15,939 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 349.0) internal successors, (6631), 19 states have internal predecessors, (6631), 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) [2022-01-19 07:04:15,940 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 349.0) internal successors, (6631), 19 states have internal predecessors, (6631), 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) [2022-01-19 07:04:15,940 INFO L186 Difference]: Start difference. First operand has 675 places, 612 transitions, 5858 flow. Second operand 18 states and 5537 transitions. [2022-01-19 07:04:15,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 690 places, 660 transitions, 7031 flow [2022-01-19 07:04:16,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 688 places, 660 transitions, 6773 flow, removed 129 selfloop flow, removed 2 redundant places. [2022-01-19 07:04:16,986 INFO L242 Difference]: Finished difference. Result has 696 places, 626 transitions, 6232 flow [2022-01-19 07:04:16,986 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=5646, PETRI_DIFFERENCE_MINUEND_PLACES=671, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=612, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=107, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=500, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=6232, PETRI_PLACES=696, PETRI_TRANSITIONS=626} [2022-01-19 07:04:16,987 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 377 predicate places. [2022-01-19 07:04:16,987 INFO L470 AbstractCegarLoop]: Abstraction has has 696 places, 626 transitions, 6232 flow [2022-01-19 07:04:16,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:04:16,988 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:04:16,991 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:04:16,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-01-19 07:04:16,991 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:04:16,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:04:16,991 INFO L85 PathProgramCache]: Analyzing trace with hash 2085660946, now seen corresponding path program 11 times [2022-01-19 07:04:16,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:04:16,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832878291] [2022-01-19 07:04:16,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:04:16,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:04:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:04:17,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:04:17,183 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:04:17,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832878291] [2022-01-19 07:04:17,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832878291] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:04:17,183 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:04:17,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 07:04:17,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247161787] [2022-01-19 07:04:17,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:04:17,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 07:04:17,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:04:17,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 07:04:17,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-01-19 07:04:17,185 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349 [2022-01-19 07:04:17,186 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 696 places, 626 transitions, 6232 flow. Second operand has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:04:17,186 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:04:17,186 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349 [2022-01-19 07:04:17,186 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:04:20,952 INFO L129 PetriNetUnfolder]: 3078/11112 cut-off events. [2022-01-19 07:04:20,952 INFO L130 PetriNetUnfolder]: For 85922/86331 co-relation queries the response was YES. [2022-01-19 07:04:21,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47790 conditions, 11112 events. 3078/11112 cut-off events. For 85922/86331 co-relation queries the response was YES. Maximal size of possible extension queue 939. Compared 128684 event pairs, 1716 based on Foata normal form. 19/10040 useless extension candidates. Maximal degree in co-relation 47612. Up to 4005 conditions per place. [2022-01-19 07:04:21,141 INFO L132 encePairwiseOnDemand]: 336/349 looper letters, 197 selfloop transitions, 113 changer transitions 15/678 dead transitions. [2022-01-19 07:04:21,141 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 710 places, 678 transitions, 7567 flow [2022-01-19 07:04:21,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-19 07:04:21,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2022-01-19 07:04:21,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 5234 transitions. [2022-01-19 07:04:21,146 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8821843923815945 [2022-01-19 07:04:21,146 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 5234 transitions. [2022-01-19 07:04:21,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 5234 transitions. [2022-01-19 07:04:21,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:04:21,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 5234 transitions. [2022-01-19 07:04:21,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 307.88235294117646) internal successors, (5234), 17 states have internal predecessors, (5234), 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) [2022-01-19 07:04:21,169 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 349.0) internal successors, (6282), 18 states have internal predecessors, (6282), 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) [2022-01-19 07:04:21,169 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 349.0) internal successors, (6282), 18 states have internal predecessors, (6282), 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) [2022-01-19 07:04:21,169 INFO L186 Difference]: Start difference. First operand has 696 places, 626 transitions, 6232 flow. Second operand 17 states and 5234 transitions. [2022-01-19 07:04:21,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 710 places, 678 transitions, 7567 flow [2022-01-19 07:04:21,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 706 places, 678 transitions, 7382 flow, removed 43 selfloop flow, removed 4 redundant places. [2022-01-19 07:04:21,891 INFO L242 Difference]: Finished difference. Result has 714 places, 644 transitions, 6785 flow [2022-01-19 07:04:21,891 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=6059, PETRI_DIFFERENCE_MINUEND_PLACES=690, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=626, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=526, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=6785, PETRI_PLACES=714, PETRI_TRANSITIONS=644} [2022-01-19 07:04:21,896 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 395 predicate places. [2022-01-19 07:04:21,897 INFO L470 AbstractCegarLoop]: Abstraction has has 714 places, 644 transitions, 6785 flow [2022-01-19 07:04:21,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:04:21,897 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:04:21,897 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:04:21,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-01-19 07:04:21,897 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:04:21,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:04:21,898 INFO L85 PathProgramCache]: Analyzing trace with hash -732126942, now seen corresponding path program 12 times [2022-01-19 07:04:21,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:04:21,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983335956] [2022-01-19 07:04:21,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:04:21,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:04:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:04:22,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:04:22,000 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:04:22,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983335956] [2022-01-19 07:04:22,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983335956] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:04:22,000 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:04:22,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 07:04:22,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822795034] [2022-01-19 07:04:22,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:04:22,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 07:04:22,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:04:22,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 07:04:22,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-01-19 07:04:22,003 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349 [2022-01-19 07:04:22,004 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 714 places, 644 transitions, 6785 flow. Second operand has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:04:22,004 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:04:22,004 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349 [2022-01-19 07:04:22,004 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:04:25,350 INFO L129 PetriNetUnfolder]: 3074/11304 cut-off events. [2022-01-19 07:04:25,351 INFO L130 PetriNetUnfolder]: For 86741/87158 co-relation queries the response was YES. [2022-01-19 07:04:25,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48497 conditions, 11304 events. 3074/11304 cut-off events. For 86741/87158 co-relation queries the response was YES. Maximal size of possible extension queue 941. Compared 131624 event pairs, 1702 based on Foata normal form. 19/10241 useless extension candidates. Maximal degree in co-relation 48313. Up to 3987 conditions per place. [2022-01-19 07:04:25,569 INFO L132 encePairwiseOnDemand]: 336/349 looper letters, 195 selfloop transitions, 116 changer transitions 24/688 dead transitions. [2022-01-19 07:04:25,569 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 729 places, 688 transitions, 7906 flow [2022-01-19 07:04:25,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-19 07:04:25,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2022-01-19 07:04:25,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 5541 transitions. [2022-01-19 07:04:25,573 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8820439350525311 [2022-01-19 07:04:25,573 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 5541 transitions. [2022-01-19 07:04:25,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 5541 transitions. [2022-01-19 07:04:25,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:04:25,573 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 5541 transitions. [2022-01-19 07:04:25,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 307.8333333333333) internal successors, (5541), 18 states have internal predecessors, (5541), 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) [2022-01-19 07:04:25,579 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 349.0) internal successors, (6631), 19 states have internal predecessors, (6631), 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) [2022-01-19 07:04:25,579 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 349.0) internal successors, (6631), 19 states have internal predecessors, (6631), 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) [2022-01-19 07:04:25,579 INFO L186 Difference]: Start difference. First operand has 714 places, 644 transitions, 6785 flow. Second operand 18 states and 5541 transitions. [2022-01-19 07:04:25,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 729 places, 688 transitions, 7906 flow [2022-01-19 07:04:26,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 726 places, 688 transitions, 7644 flow, removed 106 selfloop flow, removed 3 redundant places. [2022-01-19 07:04:26,579 INFO L242 Difference]: Finished difference. Result has 733 places, 653 transitions, 7049 flow [2022-01-19 07:04:26,580 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=6563, PETRI_DIFFERENCE_MINUEND_PLACES=709, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=644, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=531, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=7049, PETRI_PLACES=733, PETRI_TRANSITIONS=653} [2022-01-19 07:04:26,580 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 414 predicate places. [2022-01-19 07:04:26,580 INFO L470 AbstractCegarLoop]: Abstraction has has 733 places, 653 transitions, 7049 flow [2022-01-19 07:04:26,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:04:26,580 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:04:26,581 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:04:26,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-01-19 07:04:26,581 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:04:26,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:04:26,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1594563102, now seen corresponding path program 13 times [2022-01-19 07:04:26,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:04:26,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777924899] [2022-01-19 07:04:26,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:04:26,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:04:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:04:26,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:04:26,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:04:26,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777924899] [2022-01-19 07:04:26,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777924899] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:04:26,684 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:04:26,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 07:04:26,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54424668] [2022-01-19 07:04:26,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:04:26,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 07:04:26,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:04:26,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 07:04:26,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-01-19 07:04:26,688 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349 [2022-01-19 07:04:26,689 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 733 places, 653 transitions, 7049 flow. Second operand has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:04:26,689 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:04:26,689 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349 [2022-01-19 07:04:26,689 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:04:30,347 INFO L129 PetriNetUnfolder]: 3236/11920 cut-off events. [2022-01-19 07:04:30,347 INFO L130 PetriNetUnfolder]: For 108705/110718 co-relation queries the response was YES. [2022-01-19 07:04:30,531 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52138 conditions, 11920 events. 3236/11920 cut-off events. For 108705/110718 co-relation queries the response was YES. Maximal size of possible extension queue 1001. Compared 139539 event pairs, 1563 based on Foata normal form. 15/10857 useless extension candidates. Maximal degree in co-relation 51949. Up to 3628 conditions per place. [2022-01-19 07:04:30,566 INFO L132 encePairwiseOnDemand]: 336/349 looper letters, 219 selfloop transitions, 143 changer transitions 23/738 dead transitions. [2022-01-19 07:04:30,566 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 752 places, 738 transitions, 8856 flow [2022-01-19 07:04:30,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-01-19 07:04:30,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2022-01-19 07:04:30,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 6759 transitions. [2022-01-19 07:04:30,569 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8803073717113832 [2022-01-19 07:04:30,569 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 6759 transitions. [2022-01-19 07:04:30,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 6759 transitions. [2022-01-19 07:04:30,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:04:30,570 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 6759 transitions. [2022-01-19 07:04:30,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 307.22727272727275) internal successors, (6759), 22 states have internal predecessors, (6759), 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) [2022-01-19 07:04:30,580 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 349.0) internal successors, (8027), 23 states have internal predecessors, (8027), 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) [2022-01-19 07:04:30,580 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 349.0) internal successors, (8027), 23 states have internal predecessors, (8027), 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) [2022-01-19 07:04:30,580 INFO L186 Difference]: Start difference. First operand has 733 places, 653 transitions, 7049 flow. Second operand 22 states and 6759 transitions. [2022-01-19 07:04:30,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 752 places, 738 transitions, 8856 flow [2022-01-19 07:04:31,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 749 places, 738 transitions, 8668 flow, removed 63 selfloop flow, removed 3 redundant places. [2022-01-19 07:04:31,357 INFO L242 Difference]: Finished difference. Result has 763 places, 685 transitions, 7931 flow [2022-01-19 07:04:31,358 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=6876, PETRI_DIFFERENCE_MINUEND_PLACES=728, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=653, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=114, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=531, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=7931, PETRI_PLACES=763, PETRI_TRANSITIONS=685} [2022-01-19 07:04:31,358 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 444 predicate places. [2022-01-19 07:04:31,359 INFO L470 AbstractCegarLoop]: Abstraction has has 763 places, 685 transitions, 7931 flow [2022-01-19 07:04:31,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:04:31,359 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:04:31,359 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:04:31,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-01-19 07:04:31,360 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:04:31,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:04:31,360 INFO L85 PathProgramCache]: Analyzing trace with hash 405814724, now seen corresponding path program 14 times [2022-01-19 07:04:31,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:04:31,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226689505] [2022-01-19 07:04:31,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:04:31,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:04:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:04:31,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:04:31,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:04:31,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226689505] [2022-01-19 07:04:31,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226689505] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:04:31,470 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:04:31,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 07:04:31,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008108270] [2022-01-19 07:04:31,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:04:31,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 07:04:31,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:04:31,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 07:04:31,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-01-19 07:04:31,472 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349 [2022-01-19 07:04:31,474 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 763 places, 685 transitions, 7931 flow. Second operand has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:04:31,474 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:04:31,474 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349 [2022-01-19 07:04:31,474 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:04:35,997 INFO L129 PetriNetUnfolder]: 3294/12092 cut-off events. [2022-01-19 07:04:35,997 INFO L130 PetriNetUnfolder]: For 124248/126482 co-relation queries the response was YES. [2022-01-19 07:04:36,195 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55642 conditions, 12092 events. 3294/12092 cut-off events. For 124248/126482 co-relation queries the response was YES. Maximal size of possible extension queue 1025. Compared 141771 event pairs, 1591 based on Foata normal form. 15/10987 useless extension candidates. Maximal degree in co-relation 55440. Up to 3666 conditions per place. [2022-01-19 07:04:36,230 INFO L132 encePairwiseOnDemand]: 336/349 looper letters, 273 selfloop transitions, 105 changer transitions 21/752 dead transitions. [2022-01-19 07:04:36,230 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 781 places, 752 transitions, 9648 flow [2022-01-19 07:04:36,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-19 07:04:36,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2022-01-19 07:04:36,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6455 transitions. [2022-01-19 07:04:36,233 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8807477145586028 [2022-01-19 07:04:36,233 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 6455 transitions. [2022-01-19 07:04:36,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 6455 transitions. [2022-01-19 07:04:36,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:04:36,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 6455 transitions. [2022-01-19 07:04:36,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 307.3809523809524) internal successors, (6455), 21 states have internal predecessors, (6455), 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) [2022-01-19 07:04:36,240 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 349.0) internal successors, (7678), 22 states have internal predecessors, (7678), 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) [2022-01-19 07:04:36,240 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 349.0) internal successors, (7678), 22 states have internal predecessors, (7678), 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) [2022-01-19 07:04:36,240 INFO L186 Difference]: Start difference. First operand has 763 places, 685 transitions, 7931 flow. Second operand 21 states and 6455 transitions. [2022-01-19 07:04:36,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 781 places, 752 transitions, 9648 flow [2022-01-19 07:04:37,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 779 places, 752 transitions, 9454 flow, removed 97 selfloop flow, removed 2 redundant places. [2022-01-19 07:04:37,260 INFO L242 Difference]: Finished difference. Result has 793 places, 709 transitions, 8615 flow [2022-01-19 07:04:37,261 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=7751, PETRI_DIFFERENCE_MINUEND_PLACES=759, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=685, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=595, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=8615, PETRI_PLACES=793, PETRI_TRANSITIONS=709} [2022-01-19 07:04:37,261 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 474 predicate places. [2022-01-19 07:04:37,262 INFO L470 AbstractCegarLoop]: Abstraction has has 793 places, 709 transitions, 8615 flow [2022-01-19 07:04:37,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:04:37,262 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:04:37,262 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:04:37,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-01-19 07:04:37,262 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:04:37,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:04:37,263 INFO L85 PathProgramCache]: Analyzing trace with hash 992327226, now seen corresponding path program 15 times [2022-01-19 07:04:37,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:04:37,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391007238] [2022-01-19 07:04:37,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:04:37,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:04:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:04:37,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:04:37,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:04:37,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391007238] [2022-01-19 07:04:37,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391007238] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:04:37,358 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:04:37,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 07:04:37,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66139109] [2022-01-19 07:04:37,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:04:37,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 07:04:37,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:04:37,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 07:04:37,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-01-19 07:04:37,361 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349 [2022-01-19 07:04:37,362 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 793 places, 709 transitions, 8615 flow. Second operand has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:04:37,362 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:04:37,362 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349 [2022-01-19 07:04:37,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:04:42,101 INFO L129 PetriNetUnfolder]: 3334/12328 cut-off events. [2022-01-19 07:04:42,102 INFO L130 PetriNetUnfolder]: For 137683/140006 co-relation queries the response was YES. [2022-01-19 07:04:42,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58057 conditions, 12328 events. 3334/12328 cut-off events. For 137683/140006 co-relation queries the response was YES. Maximal size of possible extension queue 1043. Compared 145748 event pairs, 1571 based on Foata normal form. 15/11240 useless extension candidates. Maximal degree in co-relation 57842. Up to 3776 conditions per place. [2022-01-19 07:04:42,333 INFO L132 encePairwiseOnDemand]: 336/349 looper letters, 240 selfloop transitions, 161 changer transitions 18/772 dead transitions. [2022-01-19 07:04:42,334 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 808 places, 772 transitions, 10235 flow [2022-01-19 07:04:42,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-19 07:04:42,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2022-01-19 07:04:42,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 5537 transitions. [2022-01-19 07:04:42,336 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8814071951607768 [2022-01-19 07:04:42,336 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 5537 transitions. [2022-01-19 07:04:42,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 5537 transitions. [2022-01-19 07:04:42,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:04:42,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 5537 transitions. [2022-01-19 07:04:42,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 307.6111111111111) internal successors, (5537), 18 states have internal predecessors, (5537), 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) [2022-01-19 07:04:42,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 349.0) internal successors, (6631), 19 states have internal predecessors, (6631), 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) [2022-01-19 07:04:42,342 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 349.0) internal successors, (6631), 19 states have internal predecessors, (6631), 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) [2022-01-19 07:04:42,342 INFO L186 Difference]: Start difference. First operand has 793 places, 709 transitions, 8615 flow. Second operand 18 states and 5537 transitions. [2022-01-19 07:04:42,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 808 places, 772 transitions, 10235 flow [2022-01-19 07:04:43,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 806 places, 772 transitions, 10037 flow, removed 99 selfloop flow, removed 2 redundant places. [2022-01-19 07:04:43,330 INFO L242 Difference]: Finished difference. Result has 814 places, 730 transitions, 9301 flow [2022-01-19 07:04:43,330 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=8419, PETRI_DIFFERENCE_MINUEND_PLACES=789, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=709, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=562, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=9301, PETRI_PLACES=814, PETRI_TRANSITIONS=730} [2022-01-19 07:04:43,330 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 495 predicate places. [2022-01-19 07:04:43,330 INFO L470 AbstractCegarLoop]: Abstraction has has 814 places, 730 transitions, 9301 flow [2022-01-19 07:04:43,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:04:43,331 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:04:43,331 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:04:43,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-01-19 07:04:43,331 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:04:43,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:04:43,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1700939714, now seen corresponding path program 16 times [2022-01-19 07:04:43,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:04:43,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283813381] [2022-01-19 07:04:43,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:04:43,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:04:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:04:43,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:04:43,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:04:43,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283813381] [2022-01-19 07:04:43,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283813381] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:04:43,418 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:04:43,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 07:04:43,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492351332] [2022-01-19 07:04:43,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:04:43,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 07:04:43,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:04:43,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 07:04:43,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-01-19 07:04:43,420 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349 [2022-01-19 07:04:43,421 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 814 places, 730 transitions, 9301 flow. Second operand has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:04:43,421 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:04:43,421 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349 [2022-01-19 07:04:43,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:04:48,453 INFO L129 PetriNetUnfolder]: 3426/12628 cut-off events. [2022-01-19 07:04:48,453 INFO L130 PetriNetUnfolder]: For 146796/149147 co-relation queries the response was YES. [2022-01-19 07:04:48,666 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61446 conditions, 12628 events. 3426/12628 cut-off events. For 146796/149147 co-relation queries the response was YES. Maximal size of possible extension queue 1086. Compared 150703 event pairs, 1601 based on Foata normal form. 15/11499 useless extension candidates. Maximal degree in co-relation 61224. Up to 3842 conditions per place. [2022-01-19 07:04:48,703 INFO L132 encePairwiseOnDemand]: 336/349 looper letters, 283 selfloop transitions, 134 changer transitions 16/786 dead transitions. [2022-01-19 07:04:48,703 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 828 places, 786 transitions, 10957 flow [2022-01-19 07:04:48,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-19 07:04:48,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2022-01-19 07:04:48,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 5233 transitions. [2022-01-19 07:04:48,705 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8820158435867184 [2022-01-19 07:04:48,705 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 5233 transitions. [2022-01-19 07:04:48,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 5233 transitions. [2022-01-19 07:04:48,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:04:48,706 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 5233 transitions. [2022-01-19 07:04:48,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 307.8235294117647) internal successors, (5233), 17 states have internal predecessors, (5233), 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) [2022-01-19 07:04:48,711 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 349.0) internal successors, (6282), 18 states have internal predecessors, (6282), 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) [2022-01-19 07:04:48,711 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 349.0) internal successors, (6282), 18 states have internal predecessors, (6282), 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) [2022-01-19 07:04:48,711 INFO L186 Difference]: Start difference. First operand has 814 places, 730 transitions, 9301 flow. Second operand 17 states and 5233 transitions. [2022-01-19 07:04:48,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 828 places, 786 transitions, 10957 flow [2022-01-19 07:04:49,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 826 places, 786 transitions, 10699 flow, removed 129 selfloop flow, removed 2 redundant places. [2022-01-19 07:04:49,886 INFO L242 Difference]: Finished difference. Result has 835 places, 751 transitions, 9927 flow [2022-01-19 07:04:49,886 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=9087, PETRI_DIFFERENCE_MINUEND_PLACES=810, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=730, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=114, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=611, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=9927, PETRI_PLACES=835, PETRI_TRANSITIONS=751} [2022-01-19 07:04:49,887 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 516 predicate places. [2022-01-19 07:04:49,887 INFO L470 AbstractCegarLoop]: Abstraction has has 835 places, 751 transitions, 9927 flow [2022-01-19 07:04:49,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:04:49,887 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:04:49,887 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:04:49,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-01-19 07:04:49,887 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:04:49,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:04:49,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1869694260, now seen corresponding path program 17 times [2022-01-19 07:04:49,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:04:49,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007607244] [2022-01-19 07:04:49,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:04:49,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:04:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:04:49,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:04:49,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:04:49,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007607244] [2022-01-19 07:04:49,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007607244] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:04:49,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:04:49,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 07:04:49,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988960772] [2022-01-19 07:04:49,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:04:49,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 07:04:49,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:04:49,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 07:04:49,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-01-19 07:04:49,975 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349 [2022-01-19 07:04:49,976 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 835 places, 751 transitions, 9927 flow. Second operand has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:04:49,976 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:04:49,976 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349 [2022-01-19 07:04:49,976 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:04:54,721 INFO L129 PetriNetUnfolder]: 3466/12864 cut-off events. [2022-01-19 07:04:54,721 INFO L130 PetriNetUnfolder]: For 154633/157205 co-relation queries the response was YES. [2022-01-19 07:04:54,949 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63638 conditions, 12864 events. 3466/12864 cut-off events. For 154633/157205 co-relation queries the response was YES. Maximal size of possible extension queue 1122. Compared 154724 event pairs, 1599 based on Foata normal form. 15/11724 useless extension candidates. Maximal degree in co-relation 63408. Up to 3896 conditions per place. [2022-01-19 07:04:54,987 INFO L132 encePairwiseOnDemand]: 336/349 looper letters, 308 selfloop transitions, 126 changer transitions 17/804 dead transitions. [2022-01-19 07:04:54,987 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 850 places, 804 transitions, 11584 flow [2022-01-19 07:04:54,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-19 07:04:54,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2022-01-19 07:04:54,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 5540 transitions. [2022-01-19 07:04:54,990 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8818847500795924 [2022-01-19 07:04:54,990 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 5540 transitions. [2022-01-19 07:04:54,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 5540 transitions. [2022-01-19 07:04:54,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:04:54,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 5540 transitions. [2022-01-19 07:04:54,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 307.77777777777777) internal successors, (5540), 18 states have internal predecessors, (5540), 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) [2022-01-19 07:04:54,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 349.0) internal successors, (6631), 19 states have internal predecessors, (6631), 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) [2022-01-19 07:04:54,996 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 349.0) internal successors, (6631), 19 states have internal predecessors, (6631), 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) [2022-01-19 07:04:54,996 INFO L186 Difference]: Start difference. First operand has 835 places, 751 transitions, 9927 flow. Second operand 18 states and 5540 transitions. [2022-01-19 07:04:54,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 850 places, 804 transitions, 11584 flow [2022-01-19 07:04:56,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 848 places, 804 transitions, 11414 flow, removed 85 selfloop flow, removed 2 redundant places. [2022-01-19 07:04:56,170 INFO L242 Difference]: Finished difference. Result has 856 places, 770 transitions, 10584 flow [2022-01-19 07:04:56,171 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=9761, PETRI_DIFFERENCE_MINUEND_PLACES=831, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=751, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=638, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=10584, PETRI_PLACES=856, PETRI_TRANSITIONS=770} [2022-01-19 07:04:56,171 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 537 predicate places. [2022-01-19 07:04:56,171 INFO L470 AbstractCegarLoop]: Abstraction has has 856 places, 770 transitions, 10584 flow [2022-01-19 07:04:56,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:04:56,172 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:04:56,172 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:04:56,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-01-19 07:04:56,172 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:04:56,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:04:56,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1197953896, now seen corresponding path program 18 times [2022-01-19 07:04:56,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:04:56,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191108405] [2022-01-19 07:04:56,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:04:56,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:04:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:04:56,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:04:56,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:04:56,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191108405] [2022-01-19 07:04:56,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191108405] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:04:56,483 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:04:56,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 07:04:56,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739818958] [2022-01-19 07:04:56,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:04:56,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 07:04:56,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:04:56,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 07:04:56,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-01-19 07:04:56,485 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349 [2022-01-19 07:04:56,485 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 856 places, 770 transitions, 10584 flow. Second operand has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:04:56,486 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:04:56,486 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349 [2022-01-19 07:04:56,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:05:01,972 INFO L129 PetriNetUnfolder]: 3474/13044 cut-off events. [2022-01-19 07:05:01,972 INFO L130 PetriNetUnfolder]: For 165434/168194 co-relation queries the response was YES. [2022-01-19 07:05:02,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65101 conditions, 13044 events. 3474/13044 cut-off events. For 165434/168194 co-relation queries the response was YES. Maximal size of possible extension queue 1143. Compared 157524 event pairs, 1581 based on Foata normal form. 15/11928 useless extension candidates. Maximal degree in co-relation 64864. Up to 3936 conditions per place. [2022-01-19 07:05:02,256 INFO L132 encePairwiseOnDemand]: 336/349 looper letters, 264 selfloop transitions, 178 changer transitions 22/817 dead transitions. [2022-01-19 07:05:02,256 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 869 places, 817 transitions, 11931 flow [2022-01-19 07:05:02,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-19 07:05:02,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-01-19 07:05:02,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 4929 transitions. [2022-01-19 07:05:02,258 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8827005730659025 [2022-01-19 07:05:02,259 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 4929 transitions. [2022-01-19 07:05:02,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 4929 transitions. [2022-01-19 07:05:02,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:05:02,260 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 4929 transitions. [2022-01-19 07:05:02,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 308.0625) internal successors, (4929), 16 states have internal predecessors, (4929), 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) [2022-01-19 07:05:02,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 349.0) internal successors, (5933), 17 states have internal predecessors, (5933), 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) [2022-01-19 07:05:02,265 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 349.0) internal successors, (5933), 17 states have internal predecessors, (5933), 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) [2022-01-19 07:05:02,265 INFO L186 Difference]: Start difference. First operand has 856 places, 770 transitions, 10584 flow. Second operand 16 states and 4929 transitions. [2022-01-19 07:05:02,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 869 places, 817 transitions, 11931 flow [2022-01-19 07:05:03,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 867 places, 817 transitions, 11717 flow, removed 107 selfloop flow, removed 2 redundant places. [2022-01-19 07:05:03,718 INFO L242 Difference]: Finished difference. Result has 874 places, 778 transitions, 10950 flow [2022-01-19 07:05:03,723 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=10372, PETRI_DIFFERENCE_MINUEND_PLACES=852, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=170, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=596, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=10950, PETRI_PLACES=874, PETRI_TRANSITIONS=778} [2022-01-19 07:05:03,724 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 555 predicate places. [2022-01-19 07:05:03,724 INFO L470 AbstractCegarLoop]: Abstraction has has 874 places, 778 transitions, 10950 flow [2022-01-19 07:05:03,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:05:03,725 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:05:03,725 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:05:03,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-01-19 07:05:03,725 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:05:03,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:05:03,726 INFO L85 PathProgramCache]: Analyzing trace with hash 2002777388, now seen corresponding path program 19 times [2022-01-19 07:05:03,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:05:03,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209735238] [2022-01-19 07:05:03,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:05:03,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:05:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:05:03,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:05:03,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:05:03,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209735238] [2022-01-19 07:05:03,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209735238] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:05:03,832 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:05:03,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 07:05:03,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810387272] [2022-01-19 07:05:03,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:05:03,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 07:05:03,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:05:03,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 07:05:03,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-01-19 07:05:03,835 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349 [2022-01-19 07:05:03,837 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 874 places, 778 transitions, 10950 flow. Second operand has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:05:03,837 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:05:03,837 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349 [2022-01-19 07:05:03,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:05:09,296 INFO L129 PetriNetUnfolder]: 3508/13142 cut-off events. [2022-01-19 07:05:09,297 INFO L130 PetriNetUnfolder]: For 172540/175300 co-relation queries the response was YES. [2022-01-19 07:05:09,690 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67430 conditions, 13142 events. 3508/13142 cut-off events. For 172540/175300 co-relation queries the response was YES. Maximal size of possible extension queue 1167. Compared 159320 event pairs, 1621 based on Foata normal form. 15/11978 useless extension candidates. Maximal degree in co-relation 67187. Up to 3968 conditions per place. [2022-01-19 07:05:09,757 INFO L132 encePairwiseOnDemand]: 336/349 looper letters, 297 selfloop transitions, 152 changer transitions 23/825 dead transitions. [2022-01-19 07:05:09,758 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 889 places, 825 transitions, 12446 flow [2022-01-19 07:05:09,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-19 07:05:09,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2022-01-19 07:05:09,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 5540 transitions. [2022-01-19 07:05:09,762 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8818847500795924 [2022-01-19 07:05:09,762 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 5540 transitions. [2022-01-19 07:05:09,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 5540 transitions. [2022-01-19 07:05:09,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:05:09,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 5540 transitions. [2022-01-19 07:05:09,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 307.77777777777777) internal successors, (5540), 18 states have internal predecessors, (5540), 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) [2022-01-19 07:05:09,771 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 349.0) internal successors, (6631), 19 states have internal predecessors, (6631), 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) [2022-01-19 07:05:09,771 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 349.0) internal successors, (6631), 19 states have internal predecessors, (6631), 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) [2022-01-19 07:05:09,771 INFO L186 Difference]: Start difference. First operand has 874 places, 778 transitions, 10950 flow. Second operand 18 states and 5540 transitions. [2022-01-19 07:05:09,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 889 places, 825 transitions, 12446 flow [2022-01-19 07:05:11,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 884 places, 825 transitions, 12136 flow, removed 39 selfloop flow, removed 5 redundant places. [2022-01-19 07:05:11,743 INFO L242 Difference]: Finished difference. Result has 891 places, 792 transitions, 11376 flow [2022-01-19 07:05:11,744 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=10660, PETRI_DIFFERENCE_MINUEND_PLACES=867, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=778, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=140, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=634, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=11376, PETRI_PLACES=891, PETRI_TRANSITIONS=792} [2022-01-19 07:05:11,744 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 572 predicate places. [2022-01-19 07:05:11,744 INFO L470 AbstractCegarLoop]: Abstraction has has 891 places, 792 transitions, 11376 flow [2022-01-19 07:05:11,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:05:11,744 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:05:11,745 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:05:11,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-01-19 07:05:11,745 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:05:11,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:05:11,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1661105862, now seen corresponding path program 20 times [2022-01-19 07:05:11,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:05:11,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674403098] [2022-01-19 07:05:11,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:05:11,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:05:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:05:11,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:05:11,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:05:11,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674403098] [2022-01-19 07:05:11,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674403098] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:05:11,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:05:11,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 07:05:11,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160211881] [2022-01-19 07:05:11,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:05:11,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 07:05:11,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:05:11,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 07:05:11,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-01-19 07:05:11,835 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349 [2022-01-19 07:05:11,837 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 891 places, 792 transitions, 11376 flow. Second operand has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:05:11,837 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:05:11,837 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349 [2022-01-19 07:05:11,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:05:16,986 INFO L129 PetriNetUnfolder]: 3508/13260 cut-off events. [2022-01-19 07:05:16,986 INFO L130 PetriNetUnfolder]: For 172604/175364 co-relation queries the response was YES. [2022-01-19 07:05:17,237 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67808 conditions, 13260 events. 3508/13260 cut-off events. For 172604/175364 co-relation queries the response was YES. Maximal size of possible extension queue 1173. Compared 161275 event pairs, 1605 based on Foata normal form. 15/12112 useless extension candidates. Maximal degree in co-relation 67560. Up to 3964 conditions per place. [2022-01-19 07:05:17,274 INFO L132 encePairwiseOnDemand]: 336/349 looper letters, 318 selfloop transitions, 137 changer transitions 27/832 dead transitions. [2022-01-19 07:05:17,274 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 905 places, 832 transitions, 12705 flow [2022-01-19 07:05:17,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-19 07:05:17,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2022-01-19 07:05:17,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 5237 transitions. [2022-01-19 07:05:17,278 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8826900387662229 [2022-01-19 07:05:17,278 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 5237 transitions. [2022-01-19 07:05:17,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 5237 transitions. [2022-01-19 07:05:17,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:05:17,278 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 5237 transitions. [2022-01-19 07:05:17,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 308.05882352941177) internal successors, (5237), 17 states have internal predecessors, (5237), 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) [2022-01-19 07:05:17,285 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 349.0) internal successors, (6282), 18 states have internal predecessors, (6282), 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) [2022-01-19 07:05:17,285 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 349.0) internal successors, (6282), 18 states have internal predecessors, (6282), 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) [2022-01-19 07:05:17,285 INFO L186 Difference]: Start difference. First operand has 891 places, 792 transitions, 11376 flow. Second operand 17 states and 5237 transitions. [2022-01-19 07:05:17,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 905 places, 832 transitions, 12705 flow [2022-01-19 07:05:19,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 901 places, 832 transitions, 12514 flow, removed 58 selfloop flow, removed 4 redundant places. [2022-01-19 07:05:19,017 INFO L242 Difference]: Finished difference. Result has 908 places, 797 transitions, 11669 flow [2022-01-19 07:05:19,018 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=11191, PETRI_DIFFERENCE_MINUEND_PLACES=885, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=792, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=658, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=11669, PETRI_PLACES=908, PETRI_TRANSITIONS=797} [2022-01-19 07:05:19,018 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 589 predicate places. [2022-01-19 07:05:19,018 INFO L470 AbstractCegarLoop]: Abstraction has has 908 places, 797 transitions, 11669 flow [2022-01-19 07:05:19,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 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) [2022-01-19 07:05:19,019 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:05:19,019 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:05:19,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-01-19 07:05:19,019 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:05:19,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:05:19,020 INFO L85 PathProgramCache]: Analyzing trace with hash -492528208, now seen corresponding path program 1 times [2022-01-19 07:05:19,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:05:19,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256168715] [2022-01-19 07:05:19,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:05:19,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:05:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:05:19,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:05:19,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:05:19,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256168715] [2022-01-19 07:05:19,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256168715] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:05:19,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:05:19,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 07:05:19,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396881871] [2022-01-19 07:05:19,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:05:19,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 07:05:19,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:05:19,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 07:05:19,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 07:05:19,070 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349 [2022-01-19 07:05:19,070 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 908 places, 797 transitions, 11669 flow. Second operand has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:05:19,070 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:05:19,071 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349 [2022-01-19 07:05:19,071 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:05:22,805 INFO L129 PetriNetUnfolder]: 1295/9118 cut-off events. [2022-01-19 07:05:22,805 INFO L130 PetriNetUnfolder]: For 116110/116168 co-relation queries the response was YES. [2022-01-19 07:05:23,068 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46894 conditions, 9118 events. 1295/9118 cut-off events. For 116110/116168 co-relation queries the response was YES. Maximal size of possible extension queue 409. Compared 107907 event pairs, 129 based on Foata normal form. 35/8911 useless extension candidates. Maximal degree in co-relation 46642. Up to 579 conditions per place. [2022-01-19 07:05:23,085 INFO L132 encePairwiseOnDemand]: 341/349 looper letters, 77 selfloop transitions, 19 changer transitions 421/830 dead transitions. [2022-01-19 07:05:23,085 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 910 places, 830 transitions, 12225 flow [2022-01-19 07:05:23,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 07:05:23,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 07:05:23,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1605 transitions. [2022-01-19 07:05:23,087 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9197707736389685 [2022-01-19 07:05:23,087 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1605 transitions. [2022-01-19 07:05:23,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1605 transitions. [2022-01-19 07:05:23,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:05:23,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1605 transitions. [2022-01-19 07:05:23,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 321.0) internal successors, (1605), 5 states have internal predecessors, (1605), 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) [2022-01-19 07:05:23,090 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:05:23,090 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:05:23,090 INFO L186 Difference]: Start difference. First operand has 908 places, 797 transitions, 11669 flow. Second operand 5 states and 1605 transitions. [2022-01-19 07:05:23,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 910 places, 830 transitions, 12225 flow [2022-01-19 07:05:24,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 907 places, 830 transitions, 12037 flow, removed 58 selfloop flow, removed 3 redundant places. [2022-01-19 07:05:24,486 INFO L242 Difference]: Finished difference. Result has 911 places, 391 transitions, 2103 flow [2022-01-19 07:05:24,486 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=11435, PETRI_DIFFERENCE_MINUEND_PLACES=903, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=795, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=778, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2103, PETRI_PLACES=911, PETRI_TRANSITIONS=391} [2022-01-19 07:05:24,487 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 592 predicate places. [2022-01-19 07:05:24,488 INFO L470 AbstractCegarLoop]: Abstraction has has 911 places, 391 transitions, 2103 flow [2022-01-19 07:05:24,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:05:24,488 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:05:24,488 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:05:24,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-01-19 07:05:24,488 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:05:24,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:05:24,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1249328010, now seen corresponding path program 3 times [2022-01-19 07:05:24,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:05:24,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750070266] [2022-01-19 07:05:24,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:05:24,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:05:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:05:24,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:05:24,741 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:05:24,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750070266] [2022-01-19 07:05:24,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750070266] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:05:24,741 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:05:24,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 07:05:24,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732269189] [2022-01-19 07:05:24,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:05:24,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 07:05:24,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:05:24,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 07:05:24,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 07:05:24,743 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349 [2022-01-19 07:05:24,744 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 911 places, 391 transitions, 2103 flow. Second operand has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:05:24,744 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:05:24,744 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349 [2022-01-19 07:05:24,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:05:25,660 INFO L129 PetriNetUnfolder]: 361/3193 cut-off events. [2022-01-19 07:05:25,661 INFO L130 PetriNetUnfolder]: For 28480/28883 co-relation queries the response was YES. [2022-01-19 07:05:25,731 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11263 conditions, 3193 events. 361/3193 cut-off events. For 28480/28883 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 29119 event pairs, 165 based on Foata normal form. 22/2980 useless extension candidates. Maximal degree in co-relation 11010. Up to 383 conditions per place. [2022-01-19 07:05:25,909 INFO L132 encePairwiseOnDemand]: 342/349 looper letters, 91 selfloop transitions, 12 changer transitions 0/416 dead transitions. [2022-01-19 07:05:25,909 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 647 places, 416 transitions, 2590 flow [2022-01-19 07:05:25,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 07:05:25,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 07:05:25,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1601 transitions. [2022-01-19 07:05:25,921 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9174785100286533 [2022-01-19 07:05:25,921 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1601 transitions. [2022-01-19 07:05:25,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1601 transitions. [2022-01-19 07:05:25,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:05:25,922 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1601 transitions. [2022-01-19 07:05:25,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 320.2) internal successors, (1601), 5 states have internal predecessors, (1601), 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) [2022-01-19 07:05:25,923 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:05:25,924 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:05:25,924 INFO L186 Difference]: Start difference. First operand has 911 places, 391 transitions, 2103 flow. Second operand 5 states and 1601 transitions. [2022-01-19 07:05:25,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 647 places, 416 transitions, 2590 flow [2022-01-19 07:05:26,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 529 places, 416 transitions, 2256 flow, removed 114 selfloop flow, removed 118 redundant places. [2022-01-19 07:05:26,013 INFO L242 Difference]: Finished difference. Result has 532 places, 398 transitions, 1938 flow [2022-01-19 07:05:26,013 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=1779, PETRI_DIFFERENCE_MINUEND_PLACES=525, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1938, PETRI_PLACES=532, PETRI_TRANSITIONS=398} [2022-01-19 07:05:26,020 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 213 predicate places. [2022-01-19 07:05:26,020 INFO L470 AbstractCegarLoop]: Abstraction has has 532 places, 398 transitions, 1938 flow [2022-01-19 07:05:26,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:05:26,021 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:05:26,025 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:05:26,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-01-19 07:05:26,025 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:05:26,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:05:26,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1669880470, now seen corresponding path program 4 times [2022-01-19 07:05:26,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:05:26,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224565888] [2022-01-19 07:05:26,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:05:26,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:05:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:05:26,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:05:26,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:05:26,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224565888] [2022-01-19 07:05:26,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224565888] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:05:26,092 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:05:26,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 07:05:26,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550480172] [2022-01-19 07:05:26,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:05:26,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 07:05:26,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:05:26,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 07:05:26,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 07:05:26,094 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349 [2022-01-19 07:05:26,095 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 532 places, 398 transitions, 1938 flow. Second operand has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:05:26,095 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:05:26,095 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349 [2022-01-19 07:05:26,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:05:26,963 INFO L129 PetriNetUnfolder]: 384/3178 cut-off events. [2022-01-19 07:05:26,963 INFO L130 PetriNetUnfolder]: For 8918/9065 co-relation queries the response was YES. [2022-01-19 07:05:27,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7857 conditions, 3178 events. 384/3178 cut-off events. For 8918/9065 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 29099 event pairs, 135 based on Foata normal form. 20/2964 useless extension candidates. Maximal degree in co-relation 7698. Up to 289 conditions per place. [2022-01-19 07:05:27,049 INFO L132 encePairwiseOnDemand]: 343/349 looper letters, 78 selfloop transitions, 13 changer transitions 23/427 dead transitions. [2022-01-19 07:05:27,050 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 427 transitions, 2530 flow [2022-01-19 07:05:27,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 07:05:27,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 07:05:27,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1604 transitions. [2022-01-19 07:05:27,051 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9191977077363896 [2022-01-19 07:05:27,051 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1604 transitions. [2022-01-19 07:05:27,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1604 transitions. [2022-01-19 07:05:27,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:05:27,052 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1604 transitions. [2022-01-19 07:05:27,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 320.8) internal successors, (1604), 5 states have internal predecessors, (1604), 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) [2022-01-19 07:05:27,054 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:05:27,054 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:05:27,054 INFO L186 Difference]: Start difference. First operand has 532 places, 398 transitions, 1938 flow. Second operand 5 states and 1604 transitions. [2022-01-19 07:05:27,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 427 transitions, 2530 flow [2022-01-19 07:05:27,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 536 places, 427 transitions, 2488 flow, removed 21 selfloop flow, removed 0 redundant places. [2022-01-19 07:05:27,111 INFO L242 Difference]: Finished difference. Result has 538 places, 390 transitions, 1822 flow [2022-01-19 07:05:27,112 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=1887, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1822, PETRI_PLACES=538, PETRI_TRANSITIONS=390} [2022-01-19 07:05:27,112 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 219 predicate places. [2022-01-19 07:05:27,112 INFO L470 AbstractCegarLoop]: Abstraction has has 538 places, 390 transitions, 1822 flow [2022-01-19 07:05:27,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:05:27,112 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:05:27,113 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:05:27,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-01-19 07:05:27,113 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:05:27,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:05:27,113 INFO L85 PathProgramCache]: Analyzing trace with hash 916627046, now seen corresponding path program 2 times [2022-01-19 07:05:27,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:05:27,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144314993] [2022-01-19 07:05:27,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:05:27,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:05:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:05:27,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:05:27,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:05:27,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144314993] [2022-01-19 07:05:27,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144314993] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:05:27,162 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:05:27,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 07:05:27,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468121012] [2022-01-19 07:05:27,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:05:27,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 07:05:27,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:05:27,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 07:05:27,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 07:05:27,164 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349 [2022-01-19 07:05:27,165 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 538 places, 390 transitions, 1822 flow. Second operand has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:05:27,165 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:05:27,165 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349 [2022-01-19 07:05:27,165 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:05:27,987 INFO L129 PetriNetUnfolder]: 313/2808 cut-off events. [2022-01-19 07:05:27,987 INFO L130 PetriNetUnfolder]: For 9347/9761 co-relation queries the response was YES. [2022-01-19 07:05:28,029 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7030 conditions, 2808 events. 313/2808 cut-off events. For 9347/9761 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 24654 event pairs, 159 based on Foata normal form. 14/2617 useless extension candidates. Maximal degree in co-relation 6869. Up to 367 conditions per place. [2022-01-19 07:05:28,036 INFO L132 encePairwiseOnDemand]: 343/349 looper letters, 73 selfloop transitions, 10 changer transitions 6/402 dead transitions. [2022-01-19 07:05:28,036 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 402 transitions, 2092 flow [2022-01-19 07:05:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 07:05:28,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 07:05:28,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1593 transitions. [2022-01-19 07:05:28,038 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9128939828080229 [2022-01-19 07:05:28,038 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1593 transitions. [2022-01-19 07:05:28,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1593 transitions. [2022-01-19 07:05:28,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:05:28,038 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1593 transitions. [2022-01-19 07:05:28,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 318.6) internal successors, (1593), 5 states have internal predecessors, (1593), 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) [2022-01-19 07:05:28,041 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:05:28,041 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:05:28,041 INFO L186 Difference]: Start difference. First operand has 538 places, 390 transitions, 1822 flow. Second operand 5 states and 1593 transitions. [2022-01-19 07:05:28,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 402 transitions, 2092 flow [2022-01-19 07:05:28,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 402 transitions, 2058 flow, removed 7 selfloop flow, removed 4 redundant places. [2022-01-19 07:05:28,107 INFO L242 Difference]: Finished difference. Result has 540 places, 387 transitions, 1786 flow [2022-01-19 07:05:28,108 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=1778, PETRI_DIFFERENCE_MINUEND_PLACES=534, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1786, PETRI_PLACES=540, PETRI_TRANSITIONS=387} [2022-01-19 07:05:28,108 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 221 predicate places. [2022-01-19 07:05:28,108 INFO L470 AbstractCegarLoop]: Abstraction has has 540 places, 387 transitions, 1786 flow [2022-01-19 07:05:28,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:05:28,108 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:05:28,108 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:05:28,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-01-19 07:05:28,108 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:05:28,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:05:28,109 INFO L85 PathProgramCache]: Analyzing trace with hash -2006279322, now seen corresponding path program 3 times [2022-01-19 07:05:28,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:05:28,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438227744] [2022-01-19 07:05:28,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:05:28,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:05:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:05:28,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:05:28,168 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:05:28,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438227744] [2022-01-19 07:05:28,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438227744] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:05:28,169 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:05:28,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 07:05:28,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081887888] [2022-01-19 07:05:28,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:05:28,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 07:05:28,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:05:28,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 07:05:28,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 07:05:28,171 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349 [2022-01-19 07:05:28,171 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 387 transitions, 1786 flow. Second operand has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:05:28,172 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:05:28,172 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349 [2022-01-19 07:05:28,172 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:05:28,981 INFO L129 PetriNetUnfolder]: 329/2788 cut-off events. [2022-01-19 07:05:28,981 INFO L130 PetriNetUnfolder]: For 9066/9469 co-relation queries the response was YES. [2022-01-19 07:05:29,013 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6876 conditions, 2788 events. 329/2788 cut-off events. For 9066/9469 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 24038 event pairs, 111 based on Foata normal form. 19/2593 useless extension candidates. Maximal degree in co-relation 6715. Up to 256 conditions per place. [2022-01-19 07:05:29,018 INFO L132 encePairwiseOnDemand]: 345/349 looper letters, 71 selfloop transitions, 15 changer transitions 2/401 dead transitions. [2022-01-19 07:05:29,018 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 401 transitions, 2128 flow [2022-01-19 07:05:29,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 07:05:29,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 07:05:29,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1591 transitions. [2022-01-19 07:05:29,020 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9117478510028654 [2022-01-19 07:05:29,020 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1591 transitions. [2022-01-19 07:05:29,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1591 transitions. [2022-01-19 07:05:29,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:05:29,020 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1591 transitions. [2022-01-19 07:05:29,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 318.2) internal successors, (1591), 5 states have internal predecessors, (1591), 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) [2022-01-19 07:05:29,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:05:29,022 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:05:29,022 INFO L186 Difference]: Start difference. First operand has 540 places, 387 transitions, 1786 flow. Second operand 5 states and 1591 transitions. [2022-01-19 07:05:29,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 401 transitions, 2128 flow [2022-01-19 07:05:29,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 401 transitions, 2088 flow, removed 10 selfloop flow, removed 6 redundant places. [2022-01-19 07:05:29,054 INFO L242 Difference]: Finished difference. Result has 537 places, 386 transitions, 1755 flow [2022-01-19 07:05:29,055 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=1717, PETRI_DIFFERENCE_MINUEND_PLACES=533, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1755, PETRI_PLACES=537, PETRI_TRANSITIONS=386} [2022-01-19 07:05:29,055 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 218 predicate places. [2022-01-19 07:05:29,055 INFO L470 AbstractCegarLoop]: Abstraction has has 537 places, 386 transitions, 1755 flow [2022-01-19 07:05:29,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 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) [2022-01-19 07:05:29,055 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:05:29,056 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:05:29,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-01-19 07:05:29,056 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:05:29,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:05:29,056 INFO L85 PathProgramCache]: Analyzing trace with hash 293277038, now seen corresponding path program 1 times [2022-01-19 07:05:29,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:05:29,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690470792] [2022-01-19 07:05:29,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:05:29,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:05:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:05:29,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:05:29,136 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:05:29,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690470792] [2022-01-19 07:05:29,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690470792] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:05:29,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:05:29,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 07:05:29,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052083479] [2022-01-19 07:05:29,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:05:29,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 07:05:29,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:05:29,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 07:05:29,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 07:05:29,139 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349 [2022-01-19 07:05:29,139 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 386 transitions, 1755 flow. Second operand has 4 states, 4 states have (on average 314.5) internal successors, (1258), 4 states have internal predecessors, (1258), 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) [2022-01-19 07:05:29,139 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:05:29,139 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349 [2022-01-19 07:05:29,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:05:29,931 INFO L129 PetriNetUnfolder]: 373/2913 cut-off events. [2022-01-19 07:05:29,931 INFO L130 PetriNetUnfolder]: For 8402/8449 co-relation queries the response was YES. [2022-01-19 07:05:30,002 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7337 conditions, 2913 events. 373/2913 cut-off events. For 8402/8449 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 25867 event pairs, 122 based on Foata normal form. 29/2730 useless extension candidates. Maximal degree in co-relation 7180. Up to 202 conditions per place. [2022-01-19 07:05:30,013 INFO L132 encePairwiseOnDemand]: 341/349 looper letters, 83 selfloop transitions, 21 changer transitions 13/427 dead transitions. [2022-01-19 07:05:30,013 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 427 transitions, 2531 flow [2022-01-19 07:05:30,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 07:05:30,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 07:05:30,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1604 transitions. [2022-01-19 07:05:30,015 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9191977077363896 [2022-01-19 07:05:30,015 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1604 transitions. [2022-01-19 07:05:30,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1604 transitions. [2022-01-19 07:05:30,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:05:30,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1604 transitions. [2022-01-19 07:05:30,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 320.8) internal successors, (1604), 5 states have internal predecessors, (1604), 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) [2022-01-19 07:05:30,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:05:30,017 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:05:30,018 INFO L186 Difference]: Start difference. First operand has 537 places, 386 transitions, 1755 flow. Second operand 5 states and 1604 transitions. [2022-01-19 07:05:30,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 427 transitions, 2531 flow [2022-01-19 07:05:30,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 427 transitions, 2523 flow, removed 4 selfloop flow, removed 0 redundant places. [2022-01-19 07:05:30,067 INFO L242 Difference]: Finished difference. Result has 545 places, 391 transitions, 1963 flow [2022-01-19 07:05:30,067 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=1747, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1963, PETRI_PLACES=545, PETRI_TRANSITIONS=391} [2022-01-19 07:05:30,068 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 226 predicate places. [2022-01-19 07:05:30,068 INFO L470 AbstractCegarLoop]: Abstraction has has 545 places, 391 transitions, 1963 flow [2022-01-19 07:05:30,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 314.5) internal successors, (1258), 4 states have internal predecessors, (1258), 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) [2022-01-19 07:05:30,068 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:05:30,068 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:05:30,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-01-19 07:05:30,069 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:05:30,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:05:30,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1851766016, now seen corresponding path program 1 times [2022-01-19 07:05:30,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:05:30,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406174974] [2022-01-19 07:05:30,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:05:30,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:05:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:05:30,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:05:30,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:05:30,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406174974] [2022-01-19 07:05:30,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406174974] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:05:30,119 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:05:30,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 07:05:30,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118407365] [2022-01-19 07:05:30,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:05:30,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 07:05:30,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:05:30,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 07:05:30,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 07:05:30,121 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349 [2022-01-19 07:05:30,121 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 391 transitions, 1963 flow. Second operand has 4 states, 4 states have (on average 314.5) internal successors, (1258), 4 states have internal predecessors, (1258), 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) [2022-01-19 07:05:30,121 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:05:30,122 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349 [2022-01-19 07:05:30,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:05:30,988 INFO L129 PetriNetUnfolder]: 371/3171 cut-off events. [2022-01-19 07:05:30,988 INFO L130 PetriNetUnfolder]: For 11078/11713 co-relation queries the response was YES. [2022-01-19 07:05:31,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7813 conditions, 3171 events. 371/3171 cut-off events. For 11078/11713 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 28369 event pairs, 121 based on Foata normal form. 43/2963 useless extension candidates. Maximal degree in co-relation 7652. Up to 198 conditions per place. [2022-01-19 07:05:31,076 INFO L132 encePairwiseOnDemand]: 340/349 looper letters, 97 selfloop transitions, 26 changer transitions 10/443 dead transitions. [2022-01-19 07:05:31,076 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 545 places, 443 transitions, 3002 flow [2022-01-19 07:05:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 07:05:31,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 07:05:31,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1605 transitions. [2022-01-19 07:05:31,078 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9197707736389685 [2022-01-19 07:05:31,078 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1605 transitions. [2022-01-19 07:05:31,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1605 transitions. [2022-01-19 07:05:31,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:05:31,079 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1605 transitions. [2022-01-19 07:05:31,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 321.0) internal successors, (1605), 5 states have internal predecessors, (1605), 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) [2022-01-19 07:05:31,081 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:05:31,081 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:05:31,081 INFO L186 Difference]: Start difference. First operand has 545 places, 391 transitions, 1963 flow. Second operand 5 states and 1605 transitions. [2022-01-19 07:05:31,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 545 places, 443 transitions, 3002 flow [2022-01-19 07:05:31,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 443 transitions, 2918 flow, removed 42 selfloop flow, removed 3 redundant places. [2022-01-19 07:05:31,147 INFO L242 Difference]: Finished difference. Result has 546 places, 402 transitions, 2254 flow [2022-01-19 07:05:31,148 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=1921, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2254, PETRI_PLACES=546, PETRI_TRANSITIONS=402} [2022-01-19 07:05:31,148 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 227 predicate places. [2022-01-19 07:05:31,148 INFO L470 AbstractCegarLoop]: Abstraction has has 546 places, 402 transitions, 2254 flow [2022-01-19 07:05:31,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 314.5) internal successors, (1258), 4 states have internal predecessors, (1258), 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) [2022-01-19 07:05:31,148 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:05:31,149 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:05:31,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-01-19 07:05:31,149 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:05:31,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:05:31,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1708910834, now seen corresponding path program 2 times [2022-01-19 07:05:31,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:05:31,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860347832] [2022-01-19 07:05:31,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:05:31,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:05:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:05:31,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:05:31,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:05:31,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860347832] [2022-01-19 07:05:31,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860347832] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:05:31,191 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:05:31,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 07:05:31,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49721597] [2022-01-19 07:05:31,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:05:31,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 07:05:31,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:05:31,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 07:05:31,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 07:05:31,193 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349 [2022-01-19 07:05:31,194 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 402 transitions, 2254 flow. Second operand has 4 states, 4 states have (on average 314.5) internal successors, (1258), 4 states have internal predecessors, (1258), 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) [2022-01-19 07:05:31,194 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:05:31,194 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349 [2022-01-19 07:05:31,194 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:05:31,945 INFO L129 PetriNetUnfolder]: 363/3151 cut-off events. [2022-01-19 07:05:31,945 INFO L130 PetriNetUnfolder]: For 11393/11990 co-relation queries the response was YES. [2022-01-19 07:05:31,997 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7806 conditions, 3151 events. 363/3151 cut-off events. For 11393/11990 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 28417 event pairs, 127 based on Foata normal form. 37/2949 useless extension candidates. Maximal degree in co-relation 7644. Up to 326 conditions per place. [2022-01-19 07:05:32,005 INFO L132 encePairwiseOnDemand]: 343/349 looper letters, 95 selfloop transitions, 13 changer transitions 7/425 dead transitions. [2022-01-19 07:05:32,005 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 425 transitions, 2772 flow [2022-01-19 07:05:32,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 07:05:32,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 07:05:32,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1599 transitions. [2022-01-19 07:05:32,006 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9163323782234957 [2022-01-19 07:05:32,006 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1599 transitions. [2022-01-19 07:05:32,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1599 transitions. [2022-01-19 07:05:32,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:05:32,006 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1599 transitions. [2022-01-19 07:05:32,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 319.8) internal successors, (1599), 5 states have internal predecessors, (1599), 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) [2022-01-19 07:05:32,008 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:05:32,008 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:05:32,008 INFO L186 Difference]: Start difference. First operand has 546 places, 402 transitions, 2254 flow. Second operand 5 states and 1599 transitions. [2022-01-19 07:05:32,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 425 transitions, 2772 flow [2022-01-19 07:05:32,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 549 places, 425 transitions, 2726 flow, removed 23 selfloop flow, removed 1 redundant places. [2022-01-19 07:05:32,053 INFO L242 Difference]: Finished difference. Result has 552 places, 405 transitions, 2308 flow [2022-01-19 07:05:32,054 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=2214, PETRI_DIFFERENCE_MINUEND_PLACES=545, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2308, PETRI_PLACES=552, PETRI_TRANSITIONS=405} [2022-01-19 07:05:32,054 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 233 predicate places. [2022-01-19 07:05:32,054 INFO L470 AbstractCegarLoop]: Abstraction has has 552 places, 405 transitions, 2308 flow [2022-01-19 07:05:32,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 314.5) internal successors, (1258), 4 states have internal predecessors, (1258), 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) [2022-01-19 07:05:32,054 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:05:32,054 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:05:32,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-01-19 07:05:32,054 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:05:32,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:05:32,055 INFO L85 PathProgramCache]: Analyzing trace with hash -333599300, now seen corresponding path program 3 times [2022-01-19 07:05:32,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:05:32,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855440909] [2022-01-19 07:05:32,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:05:32,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:05:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:05:32,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:05:32,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:05:32,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855440909] [2022-01-19 07:05:32,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855440909] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:05:32,128 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:05:32,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 07:05:32,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720117588] [2022-01-19 07:05:32,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:05:32,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 07:05:32,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:05:32,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 07:05:32,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 07:05:32,130 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349 [2022-01-19 07:05:32,131 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 552 places, 405 transitions, 2308 flow. Second operand has 4 states, 4 states have (on average 314.5) internal successors, (1258), 4 states have internal predecessors, (1258), 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) [2022-01-19 07:05:32,131 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:05:32,131 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349 [2022-01-19 07:05:32,131 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:05:32,955 INFO L129 PetriNetUnfolder]: 320/2815 cut-off events. [2022-01-19 07:05:32,956 INFO L130 PetriNetUnfolder]: For 11102/11873 co-relation queries the response was YES. [2022-01-19 07:05:33,029 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6950 conditions, 2815 events. 320/2815 cut-off events. For 11102/11873 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 24669 event pairs, 88 based on Foata normal form. 43/2647 useless extension candidates. Maximal degree in co-relation 6785. Up to 163 conditions per place. [2022-01-19 07:05:33,038 INFO L132 encePairwiseOnDemand]: 339/349 looper letters, 92 selfloop transitions, 28 changer transitions 23/453 dead transitions. [2022-01-19 07:05:33,038 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 555 places, 453 transitions, 3324 flow [2022-01-19 07:05:33,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 07:05:33,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 07:05:33,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1607 transitions. [2022-01-19 07:05:33,040 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9209169054441261 [2022-01-19 07:05:33,040 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1607 transitions. [2022-01-19 07:05:33,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1607 transitions. [2022-01-19 07:05:33,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:05:33,040 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1607 transitions. [2022-01-19 07:05:33,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 321.4) internal successors, (1607), 5 states have internal predecessors, (1607), 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) [2022-01-19 07:05:33,042 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:05:33,043 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:05:33,043 INFO L186 Difference]: Start difference. First operand has 552 places, 405 transitions, 2308 flow. Second operand 5 states and 1607 transitions. [2022-01-19 07:05:33,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 555 places, 453 transitions, 3324 flow [2022-01-19 07:05:33,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 555 places, 453 transitions, 3290 flow, removed 17 selfloop flow, removed 0 redundant places. [2022-01-19 07:05:33,110 INFO L242 Difference]: Finished difference. Result has 558 places, 406 transitions, 2434 flow [2022-01-19 07:05:33,110 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=2267, PETRI_DIFFERENCE_MINUEND_PLACES=551, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2434, PETRI_PLACES=558, PETRI_TRANSITIONS=406} [2022-01-19 07:05:33,110 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 239 predicate places. [2022-01-19 07:05:33,110 INFO L470 AbstractCegarLoop]: Abstraction has has 558 places, 406 transitions, 2434 flow [2022-01-19 07:05:33,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 314.5) internal successors, (1258), 4 states have internal predecessors, (1258), 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) [2022-01-19 07:05:33,111 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:05:33,111 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:05:33,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-01-19 07:05:33,111 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:05:33,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:05:33,112 INFO L85 PathProgramCache]: Analyzing trace with hash -814484826, now seen corresponding path program 4 times [2022-01-19 07:05:33,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:05:33,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008523248] [2022-01-19 07:05:33,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:05:33,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:05:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:05:33,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:05:33,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:05:33,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008523248] [2022-01-19 07:05:33,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008523248] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:05:33,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:05:33,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 07:05:33,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863436067] [2022-01-19 07:05:33,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:05:33,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 07:05:33,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:05:33,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 07:05:33,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 07:05:33,155 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349 [2022-01-19 07:05:33,156 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 558 places, 406 transitions, 2434 flow. Second operand has 4 states, 4 states have (on average 314.5) internal successors, (1258), 4 states have internal predecessors, (1258), 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) [2022-01-19 07:05:33,156 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:05:33,156 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349 [2022-01-19 07:05:33,156 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:05:33,659 INFO L129 PetriNetUnfolder]: 286/2409 cut-off events. [2022-01-19 07:05:33,660 INFO L130 PetriNetUnfolder]: For 10319/11149 co-relation queries the response was YES. [2022-01-19 07:05:33,702 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5967 conditions, 2409 events. 286/2409 cut-off events. For 10319/11149 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 19575 event pairs, 84 based on Foata normal form. 25/2233 useless extension candidates. Maximal degree in co-relation 5799. Up to 194 conditions per place. [2022-01-19 07:05:33,708 INFO L132 encePairwiseOnDemand]: 344/349 looper letters, 80 selfloop transitions, 24 changer transitions 10/424 dead transitions. [2022-01-19 07:05:33,708 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 562 places, 424 transitions, 2890 flow [2022-01-19 07:05:33,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 07:05:33,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 07:05:33,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1593 transitions. [2022-01-19 07:05:33,710 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9128939828080229 [2022-01-19 07:05:33,711 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1593 transitions. [2022-01-19 07:05:33,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1593 transitions. [2022-01-19 07:05:33,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:05:33,711 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1593 transitions. [2022-01-19 07:05:33,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 318.6) internal successors, (1593), 5 states have internal predecessors, (1593), 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) [2022-01-19 07:05:33,713 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:05:33,714 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:05:33,714 INFO L186 Difference]: Start difference. First operand has 558 places, 406 transitions, 2434 flow. Second operand 5 states and 1593 transitions. [2022-01-19 07:05:33,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 562 places, 424 transitions, 2890 flow [2022-01-19 07:05:33,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 559 places, 424 transitions, 2762 flow, removed 61 selfloop flow, removed 3 redundant places. [2022-01-19 07:05:33,776 INFO L242 Difference]: Finished difference. Result has 560 places, 406 transitions, 2376 flow [2022-01-19 07:05:33,777 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=2302, PETRI_DIFFERENCE_MINUEND_PLACES=555, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=405, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2376, PETRI_PLACES=560, PETRI_TRANSITIONS=406} [2022-01-19 07:05:33,777 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 241 predicate places. [2022-01-19 07:05:33,777 INFO L470 AbstractCegarLoop]: Abstraction has has 560 places, 406 transitions, 2376 flow [2022-01-19 07:05:33,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 314.5) internal successors, (1258), 4 states have internal predecessors, (1258), 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) [2022-01-19 07:05:33,777 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:05:33,778 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:05:33,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-01-19 07:05:33,778 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:05:33,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:05:33,781 INFO L85 PathProgramCache]: Analyzing trace with hash 26134532, now seen corresponding path program 2 times [2022-01-19 07:05:33,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:05:33,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492383138] [2022-01-19 07:05:33,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:05:33,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:05:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:05:33,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:05:33,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:05:33,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492383138] [2022-01-19 07:05:33,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492383138] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:05:33,841 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:05:33,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 07:05:33,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889760376] [2022-01-19 07:05:33,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:05:33,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 07:05:33,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:05:33,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 07:05:33,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 07:05:33,844 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349 [2022-01-19 07:05:33,844 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 560 places, 406 transitions, 2376 flow. Second operand has 4 states, 4 states have (on average 314.5) internal successors, (1258), 4 states have internal predecessors, (1258), 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) [2022-01-19 07:05:33,844 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:05:33,844 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349 [2022-01-19 07:05:33,844 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:05:34,424 INFO L129 PetriNetUnfolder]: 255/2244 cut-off events. [2022-01-19 07:05:34,424 INFO L130 PetriNetUnfolder]: For 7634/8061 co-relation queries the response was YES. [2022-01-19 07:05:34,462 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5423 conditions, 2244 events. 255/2244 cut-off events. For 7634/8061 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 17817 event pairs, 69 based on Foata normal form. 22/2082 useless extension candidates. Maximal degree in co-relation 5257. Up to 141 conditions per place. [2022-01-19 07:05:34,467 INFO L132 encePairwiseOnDemand]: 344/349 looper letters, 84 selfloop transitions, 22 changer transitions 1/417 dead transitions. [2022-01-19 07:05:34,468 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 564 places, 417 transitions, 2714 flow [2022-01-19 07:05:34,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 07:05:34,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 07:05:34,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1589 transitions. [2022-01-19 07:05:34,469 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9106017191977077 [2022-01-19 07:05:34,469 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1589 transitions. [2022-01-19 07:05:34,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1589 transitions. [2022-01-19 07:05:34,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:05:34,469 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1589 transitions. [2022-01-19 07:05:34,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 317.8) internal successors, (1589), 5 states have internal predecessors, (1589), 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) [2022-01-19 07:05:34,471 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:05:34,471 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:05:34,471 INFO L186 Difference]: Start difference. First operand has 560 places, 406 transitions, 2376 flow. Second operand 5 states and 1589 transitions. [2022-01-19 07:05:34,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 564 places, 417 transitions, 2714 flow [2022-01-19 07:05:34,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 554 places, 417 transitions, 2555 flow, removed 53 selfloop flow, removed 10 redundant places. [2022-01-19 07:05:34,505 INFO L242 Difference]: Finished difference. Result has 556 places, 406 transitions, 2295 flow [2022-01-19 07:05:34,505 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=2199, PETRI_DIFFERENCE_MINUEND_PLACES=550, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2295, PETRI_PLACES=556, PETRI_TRANSITIONS=406} [2022-01-19 07:05:34,505 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 237 predicate places. [2022-01-19 07:05:34,505 INFO L470 AbstractCegarLoop]: Abstraction has has 556 places, 406 transitions, 2295 flow [2022-01-19 07:05:34,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 314.5) internal successors, (1258), 4 states have internal predecessors, (1258), 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) [2022-01-19 07:05:34,505 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:05:34,506 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:05:34,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-01-19 07:05:34,506 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:05:34,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:05:34,506 INFO L85 PathProgramCache]: Analyzing trace with hash 2052984068, now seen corresponding path program 3 times [2022-01-19 07:05:34,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:05:34,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034897370] [2022-01-19 07:05:34,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:05:34,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:05:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:05:34,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:05:34,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:05:34,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034897370] [2022-01-19 07:05:34,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034897370] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:05:34,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:05:34,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 07:05:34,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55509846] [2022-01-19 07:05:34,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:05:34,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 07:05:34,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:05:34,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 07:05:34,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 07:05:34,573 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349 [2022-01-19 07:05:34,574 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 556 places, 406 transitions, 2295 flow. Second operand has 4 states, 4 states have (on average 314.5) internal successors, (1258), 4 states have internal predecessors, (1258), 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) [2022-01-19 07:05:34,574 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:05:34,574 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349 [2022-01-19 07:05:34,574 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:05:35,196 INFO L129 PetriNetUnfolder]: 262/2200 cut-off events. [2022-01-19 07:05:35,197 INFO L130 PetriNetUnfolder]: For 7344/7704 co-relation queries the response was YES. [2022-01-19 07:05:35,252 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5216 conditions, 2200 events. 262/2200 cut-off events. For 7344/7704 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 17360 event pairs, 90 based on Foata normal form. 8/2019 useless extension candidates. Maximal degree in co-relation 5055. Up to 266 conditions per place. [2022-01-19 07:05:35,260 INFO L132 encePairwiseOnDemand]: 344/349 looper letters, 86 selfloop transitions, 13 changer transitions 1/410 dead transitions. [2022-01-19 07:05:35,260 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 559 places, 410 transitions, 2531 flow [2022-01-19 07:05:35,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 07:05:35,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 07:05:35,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1584 transitions. [2022-01-19 07:05:35,262 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9077363896848137 [2022-01-19 07:05:35,262 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1584 transitions. [2022-01-19 07:05:35,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1584 transitions. [2022-01-19 07:05:35,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:05:35,262 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1584 transitions. [2022-01-19 07:05:35,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 316.8) internal successors, (1584), 5 states have internal predecessors, (1584), 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) [2022-01-19 07:05:35,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:05:35,265 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 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) [2022-01-19 07:05:35,265 INFO L186 Difference]: Start difference. First operand has 556 places, 406 transitions, 2295 flow. Second operand 5 states and 1584 transitions. [2022-01-19 07:05:35,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 559 places, 410 transitions, 2531 flow [2022-01-19 07:05:35,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 558 places, 410 transitions, 2510 flow, removed 6 selfloop flow, removed 1 redundant places. [2022-01-19 07:05:35,310 INFO L242 Difference]: Finished difference. Result has 559 places, 405 transitions, 2292 flow [2022-01-19 07:05:35,311 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=2241, PETRI_DIFFERENCE_MINUEND_PLACES=554, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2292, PETRI_PLACES=559, PETRI_TRANSITIONS=405} [2022-01-19 07:05:35,311 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 240 predicate places. [2022-01-19 07:05:35,311 INFO L470 AbstractCegarLoop]: Abstraction has has 559 places, 405 transitions, 2292 flow [2022-01-19 07:05:35,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 314.5) internal successors, (1258), 4 states have internal predecessors, (1258), 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) [2022-01-19 07:05:35,312 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:05:35,312 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:05:35,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-01-19 07:05:35,312 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:05:35,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:05:35,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1168206114, now seen corresponding path program 1 times [2022-01-19 07:05:35,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:05:35,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811531032] [2022-01-19 07:05:35,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:05:35,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:05:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:05:35,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:05:35,441 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:05:35,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811531032] [2022-01-19 07:05:35,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811531032] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:05:35,441 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:05:35,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-01-19 07:05:35,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991849397] [2022-01-19 07:05:35,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:05:35,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-19 07:05:35,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:05:35,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-19 07:05:35,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-01-19 07:05:35,444 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 349 [2022-01-19 07:05:35,446 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 559 places, 405 transitions, 2292 flow. Second operand has 12 states, 12 states have (on average 298.5) internal successors, (3582), 12 states have internal predecessors, (3582), 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) [2022-01-19 07:05:35,446 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:05:35,446 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 349 [2022-01-19 07:05:35,446 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:05:38,298 INFO L129 PetriNetUnfolder]: 2842/7869 cut-off events. [2022-01-19 07:05:38,298 INFO L130 PetriNetUnfolder]: For 10931/11141 co-relation queries the response was YES. [2022-01-19 07:05:38,590 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20074 conditions, 7869 events. 2842/7869 cut-off events. For 10931/11141 co-relation queries the response was YES. Maximal size of possible extension queue 422. Compared 74910 event pairs, 1141 based on Foata normal form. 15/7204 useless extension candidates. Maximal degree in co-relation 19912. Up to 2638 conditions per place. [2022-01-19 07:05:38,632 INFO L132 encePairwiseOnDemand]: 331/349 looper letters, 180 selfloop transitions, 74 changer transitions 44/657 dead transitions. [2022-01-19 07:05:38,632 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 605 places, 657 transitions, 4009 flow [2022-01-19 07:05:38,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-19 07:05:38,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2022-01-19 07:05:38,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 14158 transitions. [2022-01-19 07:05:38,640 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8631347924160214 [2022-01-19 07:05:38,640 INFO L72 ComplementDD]: Start complementDD. Operand 47 states and 14158 transitions. [2022-01-19 07:05:38,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 14158 transitions. [2022-01-19 07:05:38,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:05:38,642 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 47 states and 14158 transitions. [2022-01-19 07:05:38,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 48 states, 47 states have (on average 301.2340425531915) internal successors, (14158), 47 states have internal predecessors, (14158), 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) [2022-01-19 07:05:38,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 48 states, 48 states have (on average 349.0) internal successors, (16752), 48 states have internal predecessors, (16752), 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) [2022-01-19 07:05:38,665 INFO L81 ComplementDD]: Finished complementDD. Result has 48 states, 48 states have (on average 349.0) internal successors, (16752), 48 states have internal predecessors, (16752), 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) [2022-01-19 07:05:38,665 INFO L186 Difference]: Start difference. First operand has 559 places, 405 transitions, 2292 flow. Second operand 47 states and 14158 transitions. [2022-01-19 07:05:38,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 605 places, 657 transitions, 4009 flow [2022-01-19 07:05:38,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 604 places, 657 transitions, 3999 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-01-19 07:05:38,745 INFO L242 Difference]: Finished difference. Result has 646 places, 477 transitions, 3011 flow [2022-01-19 07:05:38,746 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=2282, PETRI_DIFFERENCE_MINUEND_PLACES=558, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=405, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=47, PETRI_FLOW=3011, PETRI_PLACES=646, PETRI_TRANSITIONS=477} [2022-01-19 07:05:38,746 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 327 predicate places. [2022-01-19 07:05:38,746 INFO L470 AbstractCegarLoop]: Abstraction has has 646 places, 477 transitions, 3011 flow [2022-01-19 07:05:38,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 298.5) internal successors, (3582), 12 states have internal predecessors, (3582), 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) [2022-01-19 07:05:38,747 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:05:38,747 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:05:38,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-01-19 07:05:38,747 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:05:38,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:05:38,747 INFO L85 PathProgramCache]: Analyzing trace with hash -563903552, now seen corresponding path program 2 times [2022-01-19 07:05:38,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:05:38,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678592766] [2022-01-19 07:05:38,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:05:38,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:05:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:05:38,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:05:38,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:05:38,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678592766] [2022-01-19 07:05:38,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678592766] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:05:38,878 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:05:38,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-01-19 07:05:38,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311857042] [2022-01-19 07:05:38,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:05:38,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-19 07:05:38,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:05:38,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-19 07:05:38,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-01-19 07:05:38,882 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 349 [2022-01-19 07:05:38,883 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 646 places, 477 transitions, 3011 flow. Second operand has 12 states, 12 states have (on average 298.5) internal successors, (3582), 12 states have internal predecessors, (3582), 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) [2022-01-19 07:05:38,883 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:05:38,883 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 349 [2022-01-19 07:05:38,884 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 07:05:44,043 INFO L129 PetriNetUnfolder]: 4276/12103 cut-off events. [2022-01-19 07:05:44,043 INFO L130 PetriNetUnfolder]: For 59026/60137 co-relation queries the response was YES. [2022-01-19 07:05:44,559 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48620 conditions, 12103 events. 4276/12103 cut-off events. For 59026/60137 co-relation queries the response was YES. Maximal size of possible extension queue 740. Compared 127161 event pairs, 1848 based on Foata normal form. 14/11268 useless extension candidates. Maximal degree in co-relation 48416. Up to 3920 conditions per place. [2022-01-19 07:05:44,636 INFO L132 encePairwiseOnDemand]: 331/349 looper letters, 239 selfloop transitions, 101 changer transitions 82/781 dead transitions. [2022-01-19 07:05:44,636 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 691 places, 781 transitions, 5967 flow [2022-01-19 07:05:44,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-19 07:05:44,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2022-01-19 07:05:44,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 14468 transitions. [2022-01-19 07:05:44,644 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8636580706781279 [2022-01-19 07:05:44,644 INFO L72 ComplementDD]: Start complementDD. Operand 48 states and 14468 transitions. [2022-01-19 07:05:44,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 14468 transitions. [2022-01-19 07:05:44,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 07:05:44,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 48 states and 14468 transitions. [2022-01-19 07:05:44,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 49 states, 48 states have (on average 301.4166666666667) internal successors, (14468), 48 states have internal predecessors, (14468), 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) [2022-01-19 07:05:44,667 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 49 states, 49 states have (on average 349.0) internal successors, (17101), 49 states have internal predecessors, (17101), 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) [2022-01-19 07:05:44,668 INFO L81 ComplementDD]: Finished complementDD. Result has 49 states, 49 states have (on average 349.0) internal successors, (17101), 49 states have internal predecessors, (17101), 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) [2022-01-19 07:05:44,668 INFO L186 Difference]: Start difference. First operand has 646 places, 477 transitions, 3011 flow. Second operand 48 states and 14468 transitions. [2022-01-19 07:05:44,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 691 places, 781 transitions, 5967 flow [2022-01-19 07:05:45,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 689 places, 781 transitions, 5629 flow, removed 169 selfloop flow, removed 2 redundant places. [2022-01-19 07:05:45,734 INFO L242 Difference]: Finished difference. Result has 732 places, 528 transitions, 3858 flow [2022-01-19 07:05:45,734 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=2819, PETRI_DIFFERENCE_MINUEND_PLACES=642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=477, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=432, PETRI_DIFFERENCE_SUBTRAHEND_STATES=48, PETRI_FLOW=3858, PETRI_PLACES=732, PETRI_TRANSITIONS=528} [2022-01-19 07:05:45,735 INFO L334 CegarLoopForPetriNet]: 319 programPoint places, 413 predicate places. [2022-01-19 07:05:45,735 INFO L470 AbstractCegarLoop]: Abstraction has has 732 places, 528 transitions, 3858 flow [2022-01-19 07:05:45,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 298.5) internal successors, (3582), 12 states have internal predecessors, (3582), 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) [2022-01-19 07:05:45,735 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 07:05:45,735 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 07:05:45,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-01-19 07:05:45,736 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 07:05:45,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 07:05:45,736 INFO L85 PathProgramCache]: Analyzing trace with hash -221499084, now seen corresponding path program 3 times [2022-01-19 07:05:45,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 07:05:45,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772344312] [2022-01-19 07:05:45,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 07:05:45,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 07:05:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 07:05:45,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 07:05:45,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 07:05:45,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772344312] [2022-01-19 07:05:45,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772344312] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 07:05:45,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 07:05:45,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-01-19 07:05:45,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574468063] [2022-01-19 07:05:45,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 07:05:45,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-19 07:05:45,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 07:05:45,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-19 07:05:45,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-01-19 07:05:45,891 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 349 [2022-01-19 07:05:45,893 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 732 places, 528 transitions, 3858 flow. Second operand has 12 states, 12 states have (on average 298.5) internal successors, (3582), 12 states have internal predecessors, (3582), 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) [2022-01-19 07:05:45,893 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 07:05:45,893 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 349 [2022-01-19 07:05:45,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand