/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-After.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-simpl-str-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 13:16:09,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 13:16:09,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 13:16:09,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 13:16:09,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 13:16:09,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 13:16:09,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 13:16:09,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 13:16:09,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 13:16:09,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 13:16:09,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 13:16:09,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 13:16:09,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 13:16:09,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 13:16:09,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 13:16:09,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 13:16:09,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 13:16:09,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 13:16:09,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 13:16:09,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 13:16:09,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 13:16:09,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 13:16:09,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 13:16:09,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 13:16:09,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-19 13:16:09,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-19 13:16:09,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-19 13:16:09,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-19 13:16:09,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-19 13:16:09,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-19 13:16:09,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-19 13:16:09,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-19 13:16:09,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-19 13:16:09,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-19 13:16:09,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-19 13:16:09,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-19 13:16:09,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-19 13:16:09,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-19 13:16:09,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 13:16:09,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 13:16:09,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 13:16:09,901 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-After.epf [2022-01-19 13:16:09,917 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 13:16:09,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 13:16:09,918 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 13:16:09,918 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 13:16:09,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 13:16:09,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 13:16:09,919 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 13:16:09,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 13:16:09,919 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 13:16:09,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 13:16:09,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 13:16:09,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 13:16:09,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 13:16:09,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 13:16:09,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 13:16:09,920 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 13:16:09,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 13:16:09,920 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 13:16:09,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 13:16:09,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 13:16:09,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 13:16:09,921 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 13:16:09,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 13:16:09,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 13:16:09,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 13:16:09,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 13:16:09,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 13:16:09,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 13:16:09,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 13:16:09,922 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 13:16:09,922 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 13:16:09,922 INFO L138 SettingsManager]: * When to check the insufficient erros location relative to the other error locations=AFTER [2022-01-19 13:16:09,922 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 13:16:10,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 13:16:10,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 13:16:10,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 13:16:10,135 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 13:16:10,136 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 13:16:10,137 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-simpl-str-trans.wvr.c [2022-01-19 13:16:10,197 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c43b69f34/217d190dee2e499087e202397920194d/FLAGed6c7b736 [2022-01-19 13:16:10,530 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 13:16:10,531 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-simpl-str-trans.wvr.c [2022-01-19 13:16:10,537 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c43b69f34/217d190dee2e499087e202397920194d/FLAGed6c7b736 [2022-01-19 13:16:10,979 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c43b69f34/217d190dee2e499087e202397920194d [2022-01-19 13:16:10,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 13:16:10,982 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 13:16:10,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 13:16:10,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 13:16:10,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 13:16:10,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 01:16:10" (1/1) ... [2022-01-19 13:16:10,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c43fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:16:10, skipping insertion in model container [2022-01-19 13:16:10,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 01:16:10" (1/1) ... [2022-01-19 13:16:10,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 13:16:11,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 13:16:11,138 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-simpl-str-trans.wvr.c[2514,2527] [2022-01-19 13:16:11,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 13:16:11,154 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 13:16:11,172 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-simpl-str-trans.wvr.c[2514,2527] [2022-01-19 13:16:11,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 13:16:11,181 INFO L208 MainTranslator]: Completed translation [2022-01-19 13:16:11,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:16:11 WrapperNode [2022-01-19 13:16:11,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 13:16:11,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 13:16:11,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 13:16:11,183 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 13:16:11,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:16:11" (1/1) ... [2022-01-19 13:16:11,192 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:16:11" (1/1) ... [2022-01-19 13:16:11,214 INFO L137 Inliner]: procedures = 23, calls = 30, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 175 [2022-01-19 13:16:11,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 13:16:11,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 13:16:11,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 13:16:11,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 13:16:11,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:16:11" (1/1) ... [2022-01-19 13:16:11,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:16:11" (1/1) ... [2022-01-19 13:16:11,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:16:11" (1/1) ... [2022-01-19 13:16:11,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:16:11" (1/1) ... [2022-01-19 13:16:11,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:16:11" (1/1) ... [2022-01-19 13:16:11,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:16:11" (1/1) ... [2022-01-19 13:16:11,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:16:11" (1/1) ... [2022-01-19 13:16:11,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 13:16:11,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 13:16:11,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 13:16:11,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 13:16:11,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:16:11" (1/1) ... [2022-01-19 13:16:11,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 13:16:11,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 13:16:11,267 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 13:16:11,283 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 13:16:11,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 13:16:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-19 13:16:11,313 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-19 13:16:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-19 13:16:11,313 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-19 13:16:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-19 13:16:11,313 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-19 13:16:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 13:16:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 13:16:11,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 13:16:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 13:16:11,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 13:16:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-19 13:16:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 13:16:11,316 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 13:16:11,376 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 13:16:11,377 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 13:16:11,607 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 13:16:11,617 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 13:16:11,617 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-19 13:16:11,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 01:16:11 BoogieIcfgContainer [2022-01-19 13:16:11,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 13:16:11,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 13:16:11,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 13:16:11,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 13:16:11,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 01:16:10" (1/3) ... [2022-01-19 13:16:11,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75823546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 01:16:11, skipping insertion in model container [2022-01-19 13:16:11,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:16:11" (2/3) ... [2022-01-19 13:16:11,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75823546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 01:16:11, skipping insertion in model container [2022-01-19 13:16:11,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 01:16:11" (3/3) ... [2022-01-19 13:16:11,623 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-simpl-str-trans.wvr.c [2022-01-19 13:16:11,626 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 13:16:11,626 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-19 13:16:11,626 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 13:16:11,662 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,663 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,663 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,663 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,663 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,663 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,663 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,663 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,663 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,664 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,664 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,664 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,664 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,664 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,664 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,664 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,664 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,664 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,664 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,665 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,665 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,665 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,665 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,665 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,665 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,665 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,665 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,665 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,665 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,666 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,666 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,666 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,666 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,666 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,666 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,666 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,666 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,666 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,666 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,666 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,667 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,667 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,667 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,667 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,667 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,667 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,667 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,667 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,667 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,668 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,668 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,668 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,668 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,668 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,669 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,669 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,669 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,669 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,669 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,669 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,669 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,669 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,670 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,670 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,670 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,670 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,670 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,670 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,671 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,671 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,671 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,671 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,671 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,671 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,671 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,671 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,671 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,672 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,672 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,672 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,672 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,672 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,672 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,672 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,672 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,673 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,673 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,673 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,673 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,673 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,673 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,674 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,674 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,674 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,680 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,680 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,680 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,680 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,680 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,680 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,681 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,681 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,681 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,681 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,681 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,681 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,681 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,681 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,681 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,682 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,682 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,682 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,682 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,682 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,682 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,682 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,683 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,683 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,683 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,683 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,683 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,683 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,683 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,683 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,684 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,684 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,684 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,684 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,684 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,684 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,684 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,684 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,685 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,685 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,685 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,685 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,685 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,685 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,686 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,686 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,686 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,686 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,687 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,687 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,687 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,687 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,687 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,687 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,687 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,687 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,687 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,688 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,688 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,688 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,688 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,688 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,688 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,688 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,688 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,688 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,688 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,689 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,689 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,689 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,689 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,689 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,689 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,689 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,689 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,689 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,689 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,691 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,691 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,691 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,691 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,691 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,691 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,691 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,691 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,691 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,692 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,692 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,692 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,692 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,692 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,692 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,693 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,693 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,693 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,693 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,693 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,693 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,693 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,693 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,693 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,694 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,694 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,694 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,694 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,694 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,694 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,695 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,695 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,695 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,695 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,695 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,695 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,695 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,695 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,695 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,695 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,696 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,696 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,696 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,696 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,696 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,696 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,696 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,696 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,697 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,697 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,697 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,697 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,697 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,697 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,699 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,700 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,700 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,700 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,700 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,700 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,700 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,700 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,700 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,700 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,700 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,701 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,701 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,704 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,704 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,704 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,704 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,704 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,704 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,704 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,704 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,705 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,705 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,705 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,705 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,705 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 13:16:11,708 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-19 13:16:11,736 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 13:16:11,741 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 13:16:11,741 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-19 13:16:11,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 221 places, 227 transitions, 478 flow [2022-01-19 13:16:11,808 INFO L129 PetriNetUnfolder]: 16/224 cut-off events. [2022-01-19 13:16:11,808 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-19 13:16:11,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 224 events. 16/224 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 509 event pairs, 0 based on Foata normal form. 0/207 useless extension candidates. Maximal degree in co-relation 154. Up to 2 conditions per place. [2022-01-19 13:16:11,818 INFO L82 GeneralOperation]: Start removeDead. Operand has 221 places, 227 transitions, 478 flow [2022-01-19 13:16:11,822 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 207 places, 213 transitions, 444 flow [2022-01-19 13:16:11,865 INFO L129 PetriNetUnfolder]: 16/212 cut-off events. [2022-01-19 13:16:11,866 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-19 13:16:11,866 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 13:16:11,866 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] [2022-01-19 13:16:11,867 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 13:16:11,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 13:16:11,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1581423108, now seen corresponding path program 1 times [2022-01-19 13:16:11,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 13:16:11,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073224542] [2022-01-19 13:16:11,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 13:16:11,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 13:16:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 13:16:12,107 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 13:16:12,108 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 13:16:12,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073224542] [2022-01-19 13:16:12,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073224542] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 13:16:12,109 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 13:16:12,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-19 13:16:12,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259044219] [2022-01-19 13:16:12,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 13:16:12,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-19 13:16:12,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 13:16:12,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-19 13:16:12,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-19 13:16:12,144 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 227 [2022-01-19 13:16:12,150 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 213 transitions, 444 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:12,150 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 13:16:12,150 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 227 [2022-01-19 13:16:12,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 13:16:12,281 INFO L129 PetriNetUnfolder]: 60/750 cut-off events. [2022-01-19 13:16:12,281 INFO L130 PetriNetUnfolder]: For 54/54 co-relation queries the response was YES. [2022-01-19 13:16:12,288 INFO L84 FinitePrefix]: Finished finitePrefix Result has 885 conditions, 750 events. 60/750 cut-off events. For 54/54 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 4934 event pairs, 13 based on Foata normal form. 44/713 useless extension candidates. Maximal degree in co-relation 714. Up to 45 conditions per place. [2022-01-19 13:16:12,292 INFO L132 encePairwiseOnDemand]: 212/227 looper letters, 17 selfloop transitions, 5 changer transitions 1/214 dead transitions. [2022-01-19 13:16:12,292 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 214 transitions, 505 flow [2022-01-19 13:16:12,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-19 13:16:12,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-19 13:16:12,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 654 transitions. [2022-01-19 13:16:12,306 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.960352422907489 [2022-01-19 13:16:12,306 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 654 transitions. [2022-01-19 13:16:12,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 654 transitions. [2022-01-19 13:16:12,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 13:16:12,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 654 transitions. [2022-01-19 13:16:12,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 218.0) internal successors, (654), 3 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:12,330 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:12,330 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:12,332 INFO L186 Difference]: Start difference. First operand has 207 places, 213 transitions, 444 flow. Second operand 3 states and 654 transitions. [2022-01-19 13:16:12,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 214 transitions, 505 flow [2022-01-19 13:16:12,335 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 214 transitions, 483 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-01-19 13:16:12,339 INFO L242 Difference]: Finished difference. Result has 205 places, 208 transitions, 454 flow [2022-01-19 13:16:12,340 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=205, PETRI_TRANSITIONS=208} [2022-01-19 13:16:12,344 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, -2 predicate places. [2022-01-19 13:16:12,344 INFO L470 AbstractCegarLoop]: Abstraction has has 205 places, 208 transitions, 454 flow [2022-01-19 13:16:12,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:12,345 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 13:16:12,345 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] [2022-01-19 13:16:12,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 13:16:12,346 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 13:16:12,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 13:16:12,346 INFO L85 PathProgramCache]: Analyzing trace with hash 19351290, now seen corresponding path program 1 times [2022-01-19 13:16:12,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 13:16:12,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028159629] [2022-01-19 13:16:12,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 13:16:12,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 13:16:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 13:16:12,450 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 13:16:12,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 13:16:12,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028159629] [2022-01-19 13:16:12,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028159629] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 13:16:12,451 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 13:16:12,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-19 13:16:12,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724891956] [2022-01-19 13:16:12,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 13:16:12,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-19 13:16:12,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 13:16:12,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-19 13:16:12,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-19 13:16:12,455 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 227 [2022-01-19 13:16:12,456 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 208 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:12,456 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 13:16:12,456 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 227 [2022-01-19 13:16:12,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 13:16:12,541 INFO L129 PetriNetUnfolder]: 47/660 cut-off events. [2022-01-19 13:16:12,541 INFO L130 PetriNetUnfolder]: For 56/56 co-relation queries the response was YES. [2022-01-19 13:16:12,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 788 conditions, 660 events. 47/660 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4006 event pairs, 9 based on Foata normal form. 9/615 useless extension candidates. Maximal degree in co-relation 529. Up to 34 conditions per place. [2022-01-19 13:16:12,549 INFO L132 encePairwiseOnDemand]: 221/227 looper letters, 22 selfloop transitions, 3 changer transitions 0/216 dead transitions. [2022-01-19 13:16:12,549 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 216 transitions, 531 flow [2022-01-19 13:16:12,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-19 13:16:12,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-19 13:16:12,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 640 transitions. [2022-01-19 13:16:12,552 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9397944199706314 [2022-01-19 13:16:12,552 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 640 transitions. [2022-01-19 13:16:12,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 640 transitions. [2022-01-19 13:16:12,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 13:16:12,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 640 transitions. [2022-01-19 13:16:12,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:12,555 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:12,556 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:12,556 INFO L186 Difference]: Start difference. First operand has 205 places, 208 transitions, 454 flow. Second operand 3 states and 640 transitions. [2022-01-19 13:16:12,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 216 transitions, 531 flow [2022-01-19 13:16:12,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 216 transitions, 521 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-01-19 13:16:12,565 INFO L242 Difference]: Finished difference. Result has 206 places, 211 transitions, 480 flow [2022-01-19 13:16:12,565 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=480, PETRI_PLACES=206, PETRI_TRANSITIONS=211} [2022-01-19 13:16:12,566 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, -1 predicate places. [2022-01-19 13:16:12,566 INFO L470 AbstractCegarLoop]: Abstraction has has 206 places, 211 transitions, 480 flow [2022-01-19 13:16:12,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:12,567 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 13:16:12,567 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] [2022-01-19 13:16:12,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-19 13:16:12,568 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 13:16:12,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 13:16:12,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1740213102, now seen corresponding path program 1 times [2022-01-19 13:16:12,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 13:16:12,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790417850] [2022-01-19 13:16:12,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 13:16:12,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 13:16:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 13:16:12,686 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 13:16:12,686 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 13:16:12,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790417850] [2022-01-19 13:16:12,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790417850] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 13:16:12,687 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 13:16:12,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 13:16:12,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624432777] [2022-01-19 13:16:12,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 13:16:12,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 13:16:12,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 13:16:12,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 13:16:12,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-19 13:16:12,690 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 227 [2022-01-19 13:16:12,691 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 211 transitions, 480 flow. Second operand has 7 states, 7 states have (on average 202.28571428571428) internal successors, (1416), 7 states have internal predecessors, (1416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:12,691 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 13:16:12,691 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 227 [2022-01-19 13:16:12,692 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 13:16:12,814 INFO L129 PetriNetUnfolder]: 68/533 cut-off events. [2022-01-19 13:16:12,814 INFO L130 PetriNetUnfolder]: For 40/64 co-relation queries the response was YES. [2022-01-19 13:16:12,818 INFO L84 FinitePrefix]: Finished finitePrefix Result has 789 conditions, 533 events. 68/533 cut-off events. For 40/64 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 3424 event pairs, 16 based on Foata normal form. 2/497 useless extension candidates. Maximal degree in co-relation 491. Up to 79 conditions per place. [2022-01-19 13:16:12,821 INFO L132 encePairwiseOnDemand]: 218/227 looper letters, 23 selfloop transitions, 6 changer transitions 4/226 dead transitions. [2022-01-19 13:16:12,821 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 226 transitions, 584 flow [2022-01-19 13:16:12,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-19 13:16:12,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-01-19 13:16:12,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1434 transitions. [2022-01-19 13:16:12,824 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9024543738200126 [2022-01-19 13:16:12,824 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1434 transitions. [2022-01-19 13:16:12,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1434 transitions. [2022-01-19 13:16:12,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 13:16:12,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1434 transitions. [2022-01-19 13:16:12,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 204.85714285714286) internal successors, (1434), 7 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:12,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 227.0) internal successors, (1816), 8 states have internal predecessors, (1816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:12,831 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 227.0) internal successors, (1816), 8 states have internal predecessors, (1816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:12,831 INFO L186 Difference]: Start difference. First operand has 206 places, 211 transitions, 480 flow. Second operand 7 states and 1434 transitions. [2022-01-19 13:16:12,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 226 transitions, 584 flow [2022-01-19 13:16:12,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 226 transitions, 575 flow, removed 3 selfloop flow, removed 1 redundant places. [2022-01-19 13:16:12,835 INFO L242 Difference]: Finished difference. Result has 216 places, 215 transitions, 515 flow [2022-01-19 13:16:12,836 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=471, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=515, PETRI_PLACES=216, PETRI_TRANSITIONS=215} [2022-01-19 13:16:12,836 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 9 predicate places. [2022-01-19 13:16:12,836 INFO L470 AbstractCegarLoop]: Abstraction has has 216 places, 215 transitions, 515 flow [2022-01-19 13:16:12,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 202.28571428571428) internal successors, (1416), 7 states have internal predecessors, (1416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:12,837 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 13:16:12,837 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] [2022-01-19 13:16:12,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-19 13:16:12,838 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 13:16:12,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 13:16:12,838 INFO L85 PathProgramCache]: Analyzing trace with hash -617495066, now seen corresponding path program 1 times [2022-01-19 13:16:12,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 13:16:12,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267580205] [2022-01-19 13:16:12,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 13:16:12,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 13:16:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 13:16:12,872 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 13:16:12,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 13:16:12,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267580205] [2022-01-19 13:16:12,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267580205] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 13:16:12,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 13:16:12,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-19 13:16:12,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519481927] [2022-01-19 13:16:12,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 13:16:12,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-19 13:16:12,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 13:16:12,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-19 13:16:12,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-19 13:16:12,875 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 227 [2022-01-19 13:16:12,875 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 215 transitions, 515 flow. Second operand has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:12,875 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 13:16:12,875 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 227 [2022-01-19 13:16:12,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 13:16:13,127 INFO L129 PetriNetUnfolder]: 123/2101 cut-off events. [2022-01-19 13:16:13,127 INFO L130 PetriNetUnfolder]: For 87/103 co-relation queries the response was YES. [2022-01-19 13:16:13,139 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2687 conditions, 2101 events. 123/2101 cut-off events. For 87/103 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 20064 event pairs, 38 based on Foata normal form. 0/1913 useless extension candidates. Maximal degree in co-relation 2665. Up to 135 conditions per place. [2022-01-19 13:16:13,147 INFO L132 encePairwiseOnDemand]: 219/227 looper letters, 20 selfloop transitions, 4 changer transitions 0/223 dead transitions. [2022-01-19 13:16:13,147 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 223 transitions, 583 flow [2022-01-19 13:16:13,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-19 13:16:13,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-19 13:16:13,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 637 transitions. [2022-01-19 13:16:13,149 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9353891336270191 [2022-01-19 13:16:13,149 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 637 transitions. [2022-01-19 13:16:13,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 637 transitions. [2022-01-19 13:16:13,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 13:16:13,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 637 transitions. [2022-01-19 13:16:13,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 212.33333333333334) internal successors, (637), 3 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:13,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:13,153 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:13,153 INFO L186 Difference]: Start difference. First operand has 216 places, 215 transitions, 515 flow. Second operand 3 states and 637 transitions. [2022-01-19 13:16:13,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 223 transitions, 583 flow [2022-01-19 13:16:13,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 223 transitions, 577 flow, removed 2 selfloop flow, removed 3 redundant places. [2022-01-19 13:16:13,161 INFO L242 Difference]: Finished difference. Result has 215 places, 219 transitions, 549 flow [2022-01-19 13:16:13,161 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=509, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=549, PETRI_PLACES=215, PETRI_TRANSITIONS=219} [2022-01-19 13:16:13,163 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 8 predicate places. [2022-01-19 13:16:13,163 INFO L470 AbstractCegarLoop]: Abstraction has has 215 places, 219 transitions, 549 flow [2022-01-19 13:16:13,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:13,163 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 13:16:13,163 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] [2022-01-19 13:16:13,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-19 13:16:13,164 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 13:16:13,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 13:16:13,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1210620442, now seen corresponding path program 2 times [2022-01-19 13:16:13,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 13:16:13,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782449135] [2022-01-19 13:16:13,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 13:16:13,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 13:16:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 13:16:13,225 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 13:16:13,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 13:16:13,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782449135] [2022-01-19 13:16:13,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782449135] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 13:16:13,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 13:16:13,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-19 13:16:13,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679052297] [2022-01-19 13:16:13,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 13:16:13,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-19 13:16:13,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 13:16:13,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-19 13:16:13,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-19 13:16:13,228 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 227 [2022-01-19 13:16:13,229 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 219 transitions, 549 flow. Second operand has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:13,229 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 13:16:13,229 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 227 [2022-01-19 13:16:13,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 13:16:13,362 INFO L129 PetriNetUnfolder]: 104/1343 cut-off events. [2022-01-19 13:16:13,362 INFO L130 PetriNetUnfolder]: For 183/199 co-relation queries the response was YES. [2022-01-19 13:16:13,369 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1828 conditions, 1343 events. 104/1343 cut-off events. For 183/199 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 10481 event pairs, 24 based on Foata normal form. 28/1271 useless extension candidates. Maximal degree in co-relation 1361. Up to 87 conditions per place. [2022-01-19 13:16:13,372 INFO L132 encePairwiseOnDemand]: 217/227 looper letters, 22 selfloop transitions, 6 changer transitions 0/227 dead transitions. [2022-01-19 13:16:13,372 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 227 transitions, 633 flow [2022-01-19 13:16:13,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-19 13:16:13,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-19 13:16:13,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 637 transitions. [2022-01-19 13:16:13,373 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9353891336270191 [2022-01-19 13:16:13,373 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 637 transitions. [2022-01-19 13:16:13,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 637 transitions. [2022-01-19 13:16:13,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 13:16:13,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 637 transitions. [2022-01-19 13:16:13,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 212.33333333333334) internal successors, (637), 3 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:13,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:13,378 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:13,378 INFO L186 Difference]: Start difference. First operand has 215 places, 219 transitions, 549 flow. Second operand 3 states and 637 transitions. [2022-01-19 13:16:13,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 227 transitions, 633 flow [2022-01-19 13:16:13,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 227 transitions, 629 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-19 13:16:13,383 INFO L242 Difference]: Finished difference. Result has 218 places, 223 transitions, 601 flow [2022-01-19 13:16:13,383 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=545, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=601, PETRI_PLACES=218, PETRI_TRANSITIONS=223} [2022-01-19 13:16:13,385 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 11 predicate places. [2022-01-19 13:16:13,385 INFO L470 AbstractCegarLoop]: Abstraction has has 218 places, 223 transitions, 601 flow [2022-01-19 13:16:13,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:13,385 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 13:16:13,385 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] [2022-01-19 13:16:13,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-19 13:16:13,386 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 13:16:13,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 13:16:13,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1737319360, now seen corresponding path program 1 times [2022-01-19 13:16:13,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 13:16:13,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533578849] [2022-01-19 13:16:13,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 13:16:13,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 13:16:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 13:16:13,433 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 13:16:13,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 13:16:13,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533578849] [2022-01-19 13:16:13,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533578849] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 13:16:13,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 13:16:13,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-19 13:16:13,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251755040] [2022-01-19 13:16:13,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 13:16:13,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-19 13:16:13,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 13:16:13,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-19 13:16:13,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-19 13:16:13,440 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 227 [2022-01-19 13:16:13,440 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 223 transitions, 601 flow. Second operand has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:13,440 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 13:16:13,440 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 227 [2022-01-19 13:16:13,441 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 13:16:13,632 INFO L129 PetriNetUnfolder]: 86/1915 cut-off events. [2022-01-19 13:16:13,632 INFO L130 PetriNetUnfolder]: For 164/317 co-relation queries the response was YES. [2022-01-19 13:16:13,643 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2459 conditions, 1915 events. 86/1915 cut-off events. For 164/317 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 17665 event pairs, 12 based on Foata normal form. 0/1804 useless extension candidates. Maximal degree in co-relation 1948. Up to 66 conditions per place. [2022-01-19 13:16:13,648 INFO L132 encePairwiseOnDemand]: 223/227 looper letters, 17 selfloop transitions, 2 changer transitions 0/230 dead transitions. [2022-01-19 13:16:13,649 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 230 transitions, 658 flow [2022-01-19 13:16:13,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-19 13:16:13,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-19 13:16:13,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 642 transitions. [2022-01-19 13:16:13,651 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9427312775330396 [2022-01-19 13:16:13,651 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 642 transitions. [2022-01-19 13:16:13,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 642 transitions. [2022-01-19 13:16:13,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 13:16:13,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 642 transitions. [2022-01-19 13:16:13,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:13,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:13,654 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:13,654 INFO L186 Difference]: Start difference. First operand has 218 places, 223 transitions, 601 flow. Second operand 3 states and 642 transitions. [2022-01-19 13:16:13,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 230 transitions, 658 flow [2022-01-19 13:16:13,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 230 transitions, 638 flow, removed 4 selfloop flow, removed 2 redundant places. [2022-01-19 13:16:13,659 INFO L242 Difference]: Finished difference. Result has 220 places, 225 transitions, 601 flow [2022-01-19 13:16:13,659 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=581, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=601, PETRI_PLACES=220, PETRI_TRANSITIONS=225} [2022-01-19 13:16:13,661 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 13 predicate places. [2022-01-19 13:16:13,661 INFO L470 AbstractCegarLoop]: Abstraction has has 220 places, 225 transitions, 601 flow [2022-01-19 13:16:13,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:13,662 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 13:16:13,662 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] [2022-01-19 13:16:13,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-19 13:16:13,662 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 13:16:13,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 13:16:13,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1699236460, now seen corresponding path program 2 times [2022-01-19 13:16:13,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 13:16:13,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712475168] [2022-01-19 13:16:13,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 13:16:13,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 13:16:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 13:16:13,705 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 13:16:13,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 13:16:13,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712475168] [2022-01-19 13:16:13,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712475168] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 13:16:13,706 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 13:16:13,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-19 13:16:13,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798512739] [2022-01-19 13:16:13,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 13:16:13,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-19 13:16:13,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 13:16:13,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-19 13:16:13,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-19 13:16:13,711 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 227 [2022-01-19 13:16:13,712 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 225 transitions, 601 flow. Second operand has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:13,712 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 13:16:13,712 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 227 [2022-01-19 13:16:13,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 13:16:13,871 INFO L129 PetriNetUnfolder]: 58/1655 cut-off events. [2022-01-19 13:16:13,871 INFO L130 PetriNetUnfolder]: For 109/161 co-relation queries the response was YES. [2022-01-19 13:16:13,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2085 conditions, 1655 events. 58/1655 cut-off events. For 109/161 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 13399 event pairs, 14 based on Foata normal form. 8/1561 useless extension candidates. Maximal degree in co-relation 1597. Up to 56 conditions per place. [2022-01-19 13:16:13,879 INFO L132 encePairwiseOnDemand]: 221/227 looper letters, 17 selfloop transitions, 4 changer transitions 0/232 dead transitions. [2022-01-19 13:16:13,880 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 232 transitions, 666 flow [2022-01-19 13:16:13,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-19 13:16:13,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-19 13:16:13,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 642 transitions. [2022-01-19 13:16:13,881 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9427312775330396 [2022-01-19 13:16:13,881 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 642 transitions. [2022-01-19 13:16:13,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 642 transitions. [2022-01-19 13:16:13,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 13:16:13,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 642 transitions. [2022-01-19 13:16:13,883 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:13,884 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:13,884 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:13,884 INFO L186 Difference]: Start difference. First operand has 220 places, 225 transitions, 601 flow. Second operand 3 states and 642 transitions. [2022-01-19 13:16:13,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 232 transitions, 666 flow [2022-01-19 13:16:13,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 232 transitions, 664 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-19 13:16:13,888 INFO L242 Difference]: Finished difference. Result has 223 places, 227 transitions, 631 flow [2022-01-19 13:16:13,888 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=599, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=631, PETRI_PLACES=223, PETRI_TRANSITIONS=227} [2022-01-19 13:16:13,889 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 16 predicate places. [2022-01-19 13:16:13,889 INFO L470 AbstractCegarLoop]: Abstraction has has 223 places, 227 transitions, 631 flow [2022-01-19 13:16:13,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:13,889 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 13:16:13,889 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] [2022-01-19 13:16:13,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-19 13:16:13,889 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 13:16:13,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 13:16:13,890 INFO L85 PathProgramCache]: Analyzing trace with hash 94625712, now seen corresponding path program 1 times [2022-01-19 13:16:13,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 13:16:13,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278176799] [2022-01-19 13:16:13,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 13:16:13,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 13:16:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 13:16:13,962 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 13:16:13,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 13:16:13,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278176799] [2022-01-19 13:16:13,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278176799] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 13:16:13,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 13:16:13,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 13:16:13,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61927221] [2022-01-19 13:16:13,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 13:16:13,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 13:16:13,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 13:16:13,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 13:16:13,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-19 13:16:13,965 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 227 [2022-01-19 13:16:13,966 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 227 transitions, 631 flow. Second operand has 7 states, 7 states have (on average 198.85714285714286) internal successors, (1392), 7 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:13,966 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 13:16:13,966 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 227 [2022-01-19 13:16:13,966 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 13:16:14,304 INFO L129 PetriNetUnfolder]: 540/3266 cut-off events. [2022-01-19 13:16:14,305 INFO L130 PetriNetUnfolder]: For 502/671 co-relation queries the response was YES. [2022-01-19 13:16:14,319 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5164 conditions, 3266 events. 540/3266 cut-off events. For 502/671 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 32832 event pairs, 368 based on Foata normal form. 47/3062 useless extension candidates. Maximal degree in co-relation 3651. Up to 887 conditions per place. [2022-01-19 13:16:14,328 INFO L132 encePairwiseOnDemand]: 215/227 looper letters, 31 selfloop transitions, 15 changer transitions 7/257 dead transitions. [2022-01-19 13:16:14,329 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 257 transitions, 820 flow [2022-01-19 13:16:14,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-19 13:16:14,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-19 13:16:14,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1817 transitions. [2022-01-19 13:16:14,332 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8893783651492903 [2022-01-19 13:16:14,332 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1817 transitions. [2022-01-19 13:16:14,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1817 transitions. [2022-01-19 13:16:14,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 13:16:14,332 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1817 transitions. [2022-01-19 13:16:14,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 201.88888888888889) internal successors, (1817), 9 states have internal predecessors, (1817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:14,337 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 227.0) internal successors, (2270), 10 states have internal predecessors, (2270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:14,338 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 227.0) internal successors, (2270), 10 states have internal predecessors, (2270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:14,338 INFO L186 Difference]: Start difference. First operand has 223 places, 227 transitions, 631 flow. Second operand 9 states and 1817 transitions. [2022-01-19 13:16:14,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 257 transitions, 820 flow [2022-01-19 13:16:14,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 257 transitions, 808 flow, removed 2 selfloop flow, removed 2 redundant places. [2022-01-19 13:16:14,344 INFO L242 Difference]: Finished difference. Result has 236 places, 239 transitions, 729 flow [2022-01-19 13:16:14,344 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=619, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=729, PETRI_PLACES=236, PETRI_TRANSITIONS=239} [2022-01-19 13:16:14,345 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 29 predicate places. [2022-01-19 13:16:14,346 INFO L470 AbstractCegarLoop]: Abstraction has has 236 places, 239 transitions, 729 flow [2022-01-19 13:16:14,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 198.85714285714286) internal successors, (1392), 7 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:14,346 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 13:16:14,346 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] [2022-01-19 13:16:14,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-19 13:16:14,347 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 13:16:14,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 13:16:14,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1476418978, now seen corresponding path program 2 times [2022-01-19 13:16:14,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 13:16:14,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424583009] [2022-01-19 13:16:14,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 13:16:14,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 13:16:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 13:16:14,438 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 13:16:14,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 13:16:14,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424583009] [2022-01-19 13:16:14,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424583009] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 13:16:14,439 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 13:16:14,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 13:16:14,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633519204] [2022-01-19 13:16:14,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 13:16:14,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 13:16:14,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 13:16:14,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 13:16:14,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-01-19 13:16:14,441 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 227 [2022-01-19 13:16:14,442 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 239 transitions, 729 flow. Second operand has 8 states, 8 states have (on average 198.5) internal successors, (1588), 8 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:14,442 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 13:16:14,442 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 227 [2022-01-19 13:16:14,442 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 13:16:14,801 INFO L129 PetriNetUnfolder]: 540/3282 cut-off events. [2022-01-19 13:16:14,802 INFO L130 PetriNetUnfolder]: For 2996/3837 co-relation queries the response was YES. [2022-01-19 13:16:14,814 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6726 conditions, 3282 events. 540/3282 cut-off events. For 2996/3837 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 32957 event pairs, 366 based on Foata normal form. 80/3113 useless extension candidates. Maximal degree in co-relation 6687. Up to 827 conditions per place. [2022-01-19 13:16:14,821 INFO L132 encePairwiseOnDemand]: 217/227 looper letters, 25 selfloop transitions, 9 changer transitions 27/263 dead transitions. [2022-01-19 13:16:14,822 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 263 transitions, 982 flow [2022-01-19 13:16:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 13:16:14,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 13:16:14,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2011 transitions. [2022-01-19 13:16:14,825 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8859030837004406 [2022-01-19 13:16:14,825 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2011 transitions. [2022-01-19 13:16:14,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2011 transitions. [2022-01-19 13:16:14,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 13:16:14,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2011 transitions. [2022-01-19 13:16:14,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 201.1) internal successors, (2011), 10 states have internal predecessors, (2011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:14,831 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 227.0) internal successors, (2497), 11 states have internal predecessors, (2497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:14,832 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 227.0) internal successors, (2497), 11 states have internal predecessors, (2497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:14,832 INFO L186 Difference]: Start difference. First operand has 236 places, 239 transitions, 729 flow. Second operand 10 states and 2011 transitions. [2022-01-19 13:16:14,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 263 transitions, 982 flow [2022-01-19 13:16:14,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 263 transitions, 976 flow, removed 3 selfloop flow, removed 2 redundant places. [2022-01-19 13:16:14,839 INFO L242 Difference]: Finished difference. Result has 244 places, 234 transitions, 726 flow [2022-01-19 13:16:14,840 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=725, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=726, PETRI_PLACES=244, PETRI_TRANSITIONS=234} [2022-01-19 13:16:14,840 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 37 predicate places. [2022-01-19 13:16:14,841 INFO L470 AbstractCegarLoop]: Abstraction has has 244 places, 234 transitions, 726 flow [2022-01-19 13:16:14,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 198.5) internal successors, (1588), 8 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:14,842 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 13:16:14,842 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] [2022-01-19 13:16:14,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-19 13:16:14,843 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 13:16:14,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 13:16:14,843 INFO L85 PathProgramCache]: Analyzing trace with hash 646825920, now seen corresponding path program 1 times [2022-01-19 13:16:14,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 13:16:14,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561020580] [2022-01-19 13:16:14,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 13:16:14,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 13:16:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 13:16:14,930 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 13:16:14,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 13:16:14,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561020580] [2022-01-19 13:16:14,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561020580] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 13:16:14,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 13:16:14,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 13:16:14,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184156174] [2022-01-19 13:16:14,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 13:16:14,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 13:16:14,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 13:16:14,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 13:16:14,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-01-19 13:16:14,932 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 227 [2022-01-19 13:16:14,934 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 234 transitions, 726 flow. Second operand has 8 states, 8 states have (on average 198.5) internal successors, (1588), 8 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:14,934 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 13:16:14,934 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 227 [2022-01-19 13:16:14,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 13:16:15,240 INFO L129 PetriNetUnfolder]: 457/2698 cut-off events. [2022-01-19 13:16:15,241 INFO L130 PetriNetUnfolder]: For 1578/1915 co-relation queries the response was YES. [2022-01-19 13:16:15,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5439 conditions, 2698 events. 457/2698 cut-off events. For 1578/1915 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 25945 event pairs, 287 based on Foata normal form. 28/2493 useless extension candidates. Maximal degree in co-relation 5408. Up to 663 conditions per place. [2022-01-19 13:16:15,260 INFO L132 encePairwiseOnDemand]: 217/227 looper letters, 36 selfloop transitions, 7 changer transitions 18/263 dead transitions. [2022-01-19 13:16:15,260 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 263 transitions, 970 flow [2022-01-19 13:16:15,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 13:16:15,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 13:16:15,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2012 transitions. [2022-01-19 13:16:15,264 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8863436123348017 [2022-01-19 13:16:15,264 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2012 transitions. [2022-01-19 13:16:15,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2012 transitions. [2022-01-19 13:16:15,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 13:16:15,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2012 transitions. [2022-01-19 13:16:15,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 201.2) internal successors, (2012), 10 states have internal predecessors, (2012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:15,270 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 227.0) internal successors, (2497), 11 states have internal predecessors, (2497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:15,271 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 227.0) internal successors, (2497), 11 states have internal predecessors, (2497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:15,271 INFO L186 Difference]: Start difference. First operand has 244 places, 234 transitions, 726 flow. Second operand 10 states and 2012 transitions. [2022-01-19 13:16:15,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 263 transitions, 970 flow [2022-01-19 13:16:15,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 263 transitions, 959 flow, removed 3 selfloop flow, removed 4 redundant places. [2022-01-19 13:16:15,280 INFO L242 Difference]: Finished difference. Result has 254 places, 235 transitions, 761 flow [2022-01-19 13:16:15,281 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=717, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=761, PETRI_PLACES=254, PETRI_TRANSITIONS=235} [2022-01-19 13:16:15,281 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 47 predicate places. [2022-01-19 13:16:15,281 INFO L470 AbstractCegarLoop]: Abstraction has has 254 places, 235 transitions, 761 flow [2022-01-19 13:16:15,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 198.5) internal successors, (1588), 8 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:15,282 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 13:16:15,282 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] [2022-01-19 13:16:15,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-19 13:16:15,282 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 13:16:15,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 13:16:15,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1405558153, now seen corresponding path program 1 times [2022-01-19 13:16:15,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 13:16:15,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374071159] [2022-01-19 13:16:15,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 13:16:15,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 13:16:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 13:16:15,343 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 13:16:15,344 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 13:16:15,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374071159] [2022-01-19 13:16:15,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374071159] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 13:16:15,344 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 13:16:15,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 13:16:15,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881611955] [2022-01-19 13:16:15,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 13:16:15,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 13:16:15,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 13:16:15,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 13:16:15,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-19 13:16:15,346 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 227 [2022-01-19 13:16:15,347 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 235 transitions, 761 flow. Second operand has 7 states, 7 states have (on average 202.28571428571428) internal successors, (1416), 7 states have internal predecessors, (1416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:15,347 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 13:16:15,347 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 227 [2022-01-19 13:16:15,347 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 13:16:15,536 INFO L129 PetriNetUnfolder]: 69/1239 cut-off events. [2022-01-19 13:16:15,536 INFO L130 PetriNetUnfolder]: For 357/483 co-relation queries the response was YES. [2022-01-19 13:16:15,543 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2067 conditions, 1239 events. 69/1239 cut-off events. For 357/483 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 9528 event pairs, 22 based on Foata normal form. 9/1169 useless extension candidates. Maximal degree in co-relation 2036. Up to 68 conditions per place. [2022-01-19 13:16:15,545 INFO L132 encePairwiseOnDemand]: 219/227 looper letters, 16 selfloop transitions, 0 changer transitions 46/255 dead transitions. [2022-01-19 13:16:15,545 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 255 transitions, 904 flow [2022-01-19 13:16:15,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-19 13:16:15,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-19 13:16:15,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1838 transitions. [2022-01-19 13:16:15,549 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.899657366617719 [2022-01-19 13:16:15,549 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1838 transitions. [2022-01-19 13:16:15,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1838 transitions. [2022-01-19 13:16:15,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 13:16:15,550 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1838 transitions. [2022-01-19 13:16:15,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 204.22222222222223) internal successors, (1838), 9 states have internal predecessors, (1838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:15,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 227.0) internal successors, (2270), 10 states have internal predecessors, (2270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:15,565 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 227.0) internal successors, (2270), 10 states have internal predecessors, (2270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:15,565 INFO L186 Difference]: Start difference. First operand has 254 places, 235 transitions, 761 flow. Second operand 9 states and 1838 transitions. [2022-01-19 13:16:15,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 255 transitions, 904 flow [2022-01-19 13:16:15,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 255 transitions, 881 flow, removed 8 selfloop flow, removed 5 redundant places. [2022-01-19 13:16:15,571 INFO L242 Difference]: Finished difference. Result has 261 places, 209 transitions, 611 flow [2022-01-19 13:16:15,572 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=744, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=611, PETRI_PLACES=261, PETRI_TRANSITIONS=209} [2022-01-19 13:16:15,572 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 54 predicate places. [2022-01-19 13:16:15,572 INFO L470 AbstractCegarLoop]: Abstraction has has 261 places, 209 transitions, 611 flow [2022-01-19 13:16:15,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 202.28571428571428) internal successors, (1416), 7 states have internal predecessors, (1416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:15,572 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 13:16:15,573 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] [2022-01-19 13:16:15,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-19 13:16:15,573 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 13:16:15,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 13:16:15,573 INFO L85 PathProgramCache]: Analyzing trace with hash 128988805, now seen corresponding path program 1 times [2022-01-19 13:16:15,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 13:16:15,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193402342] [2022-01-19 13:16:15,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 13:16:15,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 13:16:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 13:16:15,994 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 13:16:15,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 13:16:15,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193402342] [2022-01-19 13:16:15,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193402342] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 13:16:15,994 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 13:16:15,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-01-19 13:16:15,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322286988] [2022-01-19 13:16:15,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 13:16:15,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-01-19 13:16:15,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 13:16:15,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-01-19 13:16:15,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2022-01-19 13:16:15,998 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 227 [2022-01-19 13:16:16,001 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 209 transitions, 611 flow. Second operand has 28 states, 28 states have (on average 147.39285714285714) internal successors, (4127), 28 states have internal predecessors, (4127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:16,001 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 13:16:16,001 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 227 [2022-01-19 13:16:16,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 13:16:26,459 INFO L129 PetriNetUnfolder]: 15639/35568 cut-off events. [2022-01-19 13:16:26,459 INFO L130 PetriNetUnfolder]: For 21884/21926 co-relation queries the response was YES. [2022-01-19 13:16:26,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74513 conditions, 35568 events. 15639/35568 cut-off events. For 21884/21926 co-relation queries the response was YES. Maximal size of possible extension queue 625. Compared 356198 event pairs, 2856 based on Foata normal form. 13/34209 useless extension candidates. Maximal degree in co-relation 74483. Up to 4244 conditions per place. [2022-01-19 13:16:26,775 INFO L132 encePairwiseOnDemand]: 191/227 looper letters, 618 selfloop transitions, 151 changer transitions 191/1092 dead transitions. [2022-01-19 13:16:26,776 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 1092 transitions, 5978 flow [2022-01-19 13:16:26,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2022-01-19 13:16:26,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2022-01-19 13:16:26,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 17605 transitions. [2022-01-19 13:16:26,795 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6743918789503927 [2022-01-19 13:16:26,795 INFO L72 ComplementDD]: Start complementDD. Operand 115 states and 17605 transitions. [2022-01-19 13:16:26,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 115 states and 17605 transitions. [2022-01-19 13:16:26,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 13:16:26,802 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 115 states and 17605 transitions. [2022-01-19 13:16:26,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 116 states, 115 states have (on average 153.08695652173913) internal successors, (17605), 115 states have internal predecessors, (17605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:26,862 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 116 states, 116 states have (on average 227.0) internal successors, (26332), 116 states have internal predecessors, (26332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:26,870 INFO L81 ComplementDD]: Finished complementDD. Result has 116 states, 116 states have (on average 227.0) internal successors, (26332), 116 states have internal predecessors, (26332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:26,870 INFO L186 Difference]: Start difference. First operand has 261 places, 209 transitions, 611 flow. Second operand 115 states and 17605 transitions. [2022-01-19 13:16:26,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 1092 transitions, 5978 flow [2022-01-19 13:16:27,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 1092 transitions, 4923 flow, removed 523 selfloop flow, removed 14 redundant places. [2022-01-19 13:16:27,278 INFO L242 Difference]: Finished difference. Result has 440 places, 370 transitions, 1801 flow [2022-01-19 13:16:27,278 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=115, PETRI_FLOW=1801, PETRI_PLACES=440, PETRI_TRANSITIONS=370} [2022-01-19 13:16:27,279 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 233 predicate places. [2022-01-19 13:16:27,279 INFO L470 AbstractCegarLoop]: Abstraction has has 440 places, 370 transitions, 1801 flow [2022-01-19 13:16:27,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 147.39285714285714) internal successors, (4127), 28 states have internal predecessors, (4127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:27,280 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 13:16:27,280 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] [2022-01-19 13:16:27,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-19 13:16:27,280 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 13:16:27,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 13:16:27,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1743479895, now seen corresponding path program 2 times [2022-01-19 13:16:27,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 13:16:27,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632742152] [2022-01-19 13:16:27,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 13:16:27,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 13:16:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 13:16:27,620 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 13:16:27,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 13:16:27,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632742152] [2022-01-19 13:16:27,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632742152] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 13:16:27,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 13:16:27,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-01-19 13:16:27,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130298081] [2022-01-19 13:16:27,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 13:16:27,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-01-19 13:16:27,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 13:16:27,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-01-19 13:16:27,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2022-01-19 13:16:27,624 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 227 [2022-01-19 13:16:27,627 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 370 transitions, 1801 flow. Second operand has 28 states, 28 states have (on average 147.39285714285714) internal successors, (4127), 28 states have internal predecessors, (4127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:16:27,627 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 13:16:27,627 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 227 [2022-01-19 13:16:27,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 13:16:58,053 INFO L129 PetriNetUnfolder]: 42338/90360 cut-off events. [2022-01-19 13:16:58,054 INFO L130 PetriNetUnfolder]: For 1716017/1716056 co-relation queries the response was YES. [2022-01-19 13:17:01,109 INFO L84 FinitePrefix]: Finished finitePrefix Result has 424172 conditions, 90360 events. 42338/90360 cut-off events. For 1716017/1716056 co-relation queries the response was YES. Maximal size of possible extension queue 1689. Compared 1004541 event pairs, 2046 based on Foata normal form. 13/87355 useless extension candidates. Maximal degree in co-relation 424049. Up to 18018 conditions per place. [2022-01-19 13:17:01,482 INFO L132 encePairwiseOnDemand]: 191/227 looper letters, 1543 selfloop transitions, 161 changer transitions 522/2358 dead transitions. [2022-01-19 13:17:01,482 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 595 places, 2358 transitions, 24875 flow [2022-01-19 13:17:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2022-01-19 13:17:01,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2022-01-19 13:17:01,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 31703 transitions. [2022-01-19 13:17:01,502 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6714461199593358 [2022-01-19 13:17:01,502 INFO L72 ComplementDD]: Start complementDD. Operand 208 states and 31703 transitions. [2022-01-19 13:17:01,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 208 states and 31703 transitions. [2022-01-19 13:17:01,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 13:17:01,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 208 states and 31703 transitions. [2022-01-19 13:17:01,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 209 states, 208 states have (on average 152.41826923076923) internal successors, (31703), 208 states have internal predecessors, (31703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:17:01,576 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 209 states, 209 states have (on average 227.0) internal successors, (47443), 209 states have internal predecessors, (47443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:17:01,591 INFO L81 ComplementDD]: Finished complementDD. Result has 209 states, 209 states have (on average 227.0) internal successors, (47443), 209 states have internal predecessors, (47443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:17:01,591 INFO L186 Difference]: Start difference. First operand has 440 places, 370 transitions, 1801 flow. Second operand 208 states and 31703 transitions. [2022-01-19 13:17:01,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 595 places, 2358 transitions, 24875 flow [2022-01-19 13:17:06,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 553 places, 2358 transitions, 18271 flow, removed 3250 selfloop flow, removed 42 redundant places. [2022-01-19 13:17:06,812 INFO L242 Difference]: Finished difference. Result has 756 places, 531 transitions, 4420 flow [2022-01-19 13:17:06,812 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=1641, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=208, PETRI_FLOW=4420, PETRI_PLACES=756, PETRI_TRANSITIONS=531} [2022-01-19 13:17:06,812 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 549 predicate places. [2022-01-19 13:17:06,813 INFO L470 AbstractCegarLoop]: Abstraction has has 756 places, 531 transitions, 4420 flow [2022-01-19 13:17:06,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 147.39285714285714) internal successors, (4127), 28 states have internal predecessors, (4127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:17:06,814 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 13:17:06,814 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] [2022-01-19 13:17:06,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-19 13:17:06,814 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 13:17:06,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 13:17:06,814 INFO L85 PathProgramCache]: Analyzing trace with hash 874290271, now seen corresponding path program 3 times [2022-01-19 13:17:06,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 13:17:06,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445440235] [2022-01-19 13:17:06,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 13:17:06,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 13:17:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 13:17:07,115 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 13:17:07,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 13:17:07,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445440235] [2022-01-19 13:17:07,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445440235] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 13:17:07,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 13:17:07,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-01-19 13:17:07,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810698245] [2022-01-19 13:17:07,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 13:17:07,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-01-19 13:17:07,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 13:17:07,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-01-19 13:17:07,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2022-01-19 13:17:07,119 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 227 [2022-01-19 13:17:07,121 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 756 places, 531 transitions, 4420 flow. Second operand has 28 states, 28 states have (on average 147.39285714285714) internal successors, (4127), 28 states have internal predecessors, (4127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:17:07,121 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 13:17:07,121 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 227 [2022-01-19 13:17:07,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 13:18:10,746 INFO L129 PetriNetUnfolder]: 58374/124303 cut-off events. [2022-01-19 13:18:10,746 INFO L130 PetriNetUnfolder]: For 5039191/5039243 co-relation queries the response was YES. [2022-01-19 13:18:19,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 879019 conditions, 124303 events. 58374/124303 cut-off events. For 5039191/5039243 co-relation queries the response was YES. Maximal size of possible extension queue 2384. Compared 1440070 event pairs, 6701 based on Foata normal form. 13/120180 useless extension candidates. Maximal degree in co-relation 878733. Up to 32335 conditions per place. [2022-01-19 13:18:20,184 INFO L132 encePairwiseOnDemand]: 191/227 looper letters, 1628 selfloop transitions, 320 changer transitions 563/2643 dead transitions. [2022-01-19 13:18:20,184 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 816 places, 2643 transitions, 53305 flow [2022-01-19 13:18:20,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2022-01-19 13:18:20,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2022-01-19 13:18:20,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 33944 transitions. [2022-01-19 13:18:20,202 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6705517472985519 [2022-01-19 13:18:20,202 INFO L72 ComplementDD]: Start complementDD. Operand 223 states and 33944 transitions. [2022-01-19 13:18:20,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 223 states and 33944 transitions. [2022-01-19 13:18:20,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 13:18:20,210 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 223 states and 33944 transitions. [2022-01-19 13:18:20,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 224 states, 223 states have (on average 152.2152466367713) internal successors, (33944), 223 states have internal predecessors, (33944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:18:20,289 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 224 states, 224 states have (on average 227.0) internal successors, (50848), 224 states have internal predecessors, (50848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:18:20,299 INFO L81 ComplementDD]: Finished complementDD. Result has 224 states, 224 states have (on average 227.0) internal successors, (50848), 224 states have internal predecessors, (50848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:18:20,300 INFO L186 Difference]: Start difference. First operand has 756 places, 531 transitions, 4420 flow. Second operand 223 states and 33944 transitions. [2022-01-19 13:18:20,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 816 places, 2643 transitions, 53305 flow [2022-01-19 13:19:16,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 664 places, 2643 transitions, 28239 flow, removed 12518 selfloop flow, removed 152 redundant places. [2022-01-19 13:19:16,585 INFO L242 Difference]: Finished difference. Result has 882 places, 720 transitions, 7989 flow [2022-01-19 13:19:16,586 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=3676, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=531, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=167, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=223, PETRI_FLOW=7989, PETRI_PLACES=882, PETRI_TRANSITIONS=720} [2022-01-19 13:19:16,587 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, 675 predicate places. [2022-01-19 13:19:16,587 INFO L470 AbstractCegarLoop]: Abstraction has has 882 places, 720 transitions, 7989 flow [2022-01-19 13:19:16,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 147.39285714285714) internal successors, (4127), 28 states have internal predecessors, (4127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:19:16,588 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 13:19:16,588 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] [2022-01-19 13:19:16,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-19 13:19:16,588 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 13:19:16,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 13:19:16,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1033643469, now seen corresponding path program 4 times [2022-01-19 13:19:16,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 13:19:16,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246702421] [2022-01-19 13:19:16,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 13:19:16,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 13:19:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 13:19:16,904 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 13:19:16,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 13:19:16,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246702421] [2022-01-19 13:19:16,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246702421] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 13:19:16,905 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 13:19:16,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-01-19 13:19:16,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153675170] [2022-01-19 13:19:16,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 13:19:16,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-01-19 13:19:16,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 13:19:16,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-01-19 13:19:16,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2022-01-19 13:19:16,908 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 227 [2022-01-19 13:19:16,909 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 882 places, 720 transitions, 7989 flow. Second operand has 28 states, 28 states have (on average 147.39285714285714) internal successors, (4127), 28 states have internal predecessors, (4127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 13:19:16,909 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 13:19:16,909 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 227 [2022-01-19 13:19:16,910 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand