/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-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-b8dbc81 [2023-01-27 19:34:59,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-27 19:34:59,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-27 19:34:59,103 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-27 19:34:59,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-27 19:34:59,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-27 19:34:59,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-27 19:34:59,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-27 19:34:59,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-27 19:34:59,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-27 19:34:59,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-27 19:34:59,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-27 19:34:59,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-27 19:34:59,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-27 19:34:59,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-27 19:34:59,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-27 19:34:59,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-27 19:34:59,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-27 19:34:59,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-27 19:34:59,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-27 19:34:59,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-27 19:34:59,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-27 19:34:59,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-27 19:34:59,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-27 19:34:59,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-01-27 19:34:59,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-27 19:34:59,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-27 19:34:59,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-27 19:34:59,142 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-VariableLbe.epf [2023-01-27 19:34:59,163 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-27 19:34:59,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-27 19:34:59,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-27 19:34:59,164 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-27 19:34:59,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-27 19:34:59,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-27 19:34:59,165 INFO L138 SettingsManager]: * Use SBE=true [2023-01-27 19:34:59,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-27 19:34:59,165 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-27 19:34:59,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-27 19:34:59,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-27 19:34:59,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-27 19:34:59,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-27 19:34:59,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-27 19:34:59,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-27 19:34:59,166 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-27 19:34:59,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-27 19:34:59,166 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-27 19:34:59,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-27 19:34:59,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-27 19:34:59,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-27 19:34:59,167 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-27 19:34:59,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-27 19:34:59,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-27 19:34:59,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-27 19:34:59,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-27 19:34:59,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-27 19:34:59,167 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-27 19:34:59,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-27 19:34:59,168 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-27 19:34:59,168 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-27 19:34:59,168 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-01-27 19:34:59,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-27 19:34:59,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-27 19:34:59,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-27 19:34:59,531 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-27 19:34:59,549 INFO L275 PluginConnector]: CDTParser initialized [2023-01-27 19:34:59,550 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2023-01-27 19:35:01,126 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-27 19:35:01,462 INFO L351 CDTParser]: Found 1 translation units. [2023-01-27 19:35:01,462 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2023-01-27 19:35:01,505 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/783bd54e6/17ac91e4e81c4f0880b4e754ce31c9ca/FLAGce6619172 [2023-01-27 19:35:01,534 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/783bd54e6/17ac91e4e81c4f0880b4e754ce31c9ca [2023-01-27 19:35:01,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-27 19:35:01,537 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-27 19:35:01,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-27 19:35:01,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-27 19:35:01,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-27 19:35:01,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 07:35:01" (1/1) ... [2023-01-27 19:35:01,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7867dd53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:35:01, skipping insertion in model container [2023-01-27 19:35:01,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 07:35:01" (1/1) ... [2023-01-27 19:35:01,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-27 19:35:01,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-27 19:35:01,838 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i[1092,1105] [2023-01-27 19:35:02,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-27 19:35:02,086 INFO L203 MainTranslator]: Completed pre-run [2023-01-27 19:35:02,098 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i[1092,1105] [2023-01-27 19:35:02,143 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-27 19:35:02,200 INFO L208 MainTranslator]: Completed translation [2023-01-27 19:35:02,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:35:02 WrapperNode [2023-01-27 19:35:02,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-27 19:35:02,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-27 19:35:02,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-27 19:35:02,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-27 19:35:02,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:35:02" (1/1) ... [2023-01-27 19:35:02,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:35:02" (1/1) ... [2023-01-27 19:35:02,291 INFO L138 Inliner]: procedures = 165, calls = 45, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 135 [2023-01-27 19:35:02,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-27 19:35:02,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-27 19:35:02,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-27 19:35:02,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-27 19:35:02,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:35:02" (1/1) ... [2023-01-27 19:35:02,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:35:02" (1/1) ... [2023-01-27 19:35:02,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:35:02" (1/1) ... [2023-01-27 19:35:02,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:35:02" (1/1) ... [2023-01-27 19:35:02,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:35:02" (1/1) ... [2023-01-27 19:35:02,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:35:02" (1/1) ... [2023-01-27 19:35:02,317 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:35:02" (1/1) ... [2023-01-27 19:35:02,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:35:02" (1/1) ... [2023-01-27 19:35:02,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-27 19:35:02,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-27 19:35:02,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-27 19:35:02,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-27 19:35:02,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:35:02" (1/1) ... [2023-01-27 19:35:02,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-27 19:35:02,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 19:35:02,353 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) [2023-01-27 19:35:02,371 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 [2023-01-27 19:35:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-01-27 19:35:02,383 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-01-27 19:35:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-27 19:35:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-01-27 19:35:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-27 19:35:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-27 19:35:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2023-01-27 19:35:02,384 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2023-01-27 19:35:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-01-27 19:35:02,385 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-01-27 19:35:02,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-27 19:35:02,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-27 19:35:02,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-27 19:35:02,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-27 19:35:02,386 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-27 19:35:02,571 INFO L236 CfgBuilder]: Building ICFG [2023-01-27 19:35:02,573 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-27 19:35:02,948 INFO L277 CfgBuilder]: Performing block encoding [2023-01-27 19:35:02,954 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-27 19:35:02,954 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-01-27 19:35:02,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 07:35:02 BoogieIcfgContainer [2023-01-27 19:35:02,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-27 19:35:02,973 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-27 19:35:02,974 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-27 19:35:02,976 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-27 19:35:02,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 07:35:01" (1/3) ... [2023-01-27 19:35:02,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b6f37e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 07:35:02, skipping insertion in model container [2023-01-27 19:35:02,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:35:02" (2/3) ... [2023-01-27 19:35:02,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b6f37e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 07:35:02, skipping insertion in model container [2023-01-27 19:35:02,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 07:35:02" (3/3) ... [2023-01-27 19:35:02,978 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_21-traces-cluster-based_true.i [2023-01-27 19:35:03,005 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-27 19:35:03,005 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-01-27 19:35:03,005 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-27 19:35:03,096 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-27 19:35:03,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 167 places, 162 transitions, 339 flow [2023-01-27 19:35:03,282 INFO L130 PetriNetUnfolder]: 5/159 cut-off events. [2023-01-27 19:35:03,282 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-27 19:35:03,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 159 events. 5/159 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 261 event pairs, 0 based on Foata normal form. 0/150 useless extension candidates. Maximal degree in co-relation 123. Up to 2 conditions per place. [2023-01-27 19:35:03,288 INFO L82 GeneralOperation]: Start removeDead. Operand has 167 places, 162 transitions, 339 flow [2023-01-27 19:35:03,307 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 164 places, 159 transitions, 327 flow [2023-01-27 19:35:03,311 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-27 19:35:03,321 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 164 places, 159 transitions, 327 flow [2023-01-27 19:35:03,325 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 164 places, 159 transitions, 327 flow [2023-01-27 19:35:03,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 164 places, 159 transitions, 327 flow [2023-01-27 19:35:03,409 INFO L130 PetriNetUnfolder]: 5/159 cut-off events. [2023-01-27 19:35:03,409 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-27 19:35:03,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 159 events. 5/159 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 261 event pairs, 0 based on Foata normal form. 0/150 useless extension candidates. Maximal degree in co-relation 123. Up to 2 conditions per place. [2023-01-27 19:35:03,417 INFO L119 LiptonReduction]: Number of co-enabled transitions 9270 [2023-01-27 19:35:09,314 INFO L134 LiptonReduction]: Checked pairs total: 20940 [2023-01-27 19:35:09,314 INFO L136 LiptonReduction]: Total number of compositions: 151 [2023-01-27 19:35:09,337 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-01-27 19:35:09,358 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6244998f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-27 19:35:09,358 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2023-01-27 19:35:09,363 INFO L130 PetriNetUnfolder]: 0/17 cut-off events. [2023-01-27 19:35:09,363 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-27 19:35:09,363 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 19:35:09,363 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 19:35:09,364 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2023-01-27 19:35:09,367 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 19:35:09,367 INFO L85 PathProgramCache]: Analyzing trace with hash -227316659, now seen corresponding path program 1 times [2023-01-27 19:35:09,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 19:35:09,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346401313] [2023-01-27 19:35:09,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 19:35:09,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 19:35:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 19:35:10,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 19:35:10,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 19:35:10,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346401313] [2023-01-27 19:35:10,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346401313] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 19:35:10,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 19:35:10,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-27 19:35:10,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41489061] [2023-01-27 19:35:10,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 19:35:10,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-01-27 19:35:10,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 19:35:10,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-01-27 19:35:10,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-01-27 19:35:10,076 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 313 [2023-01-27 19:35:10,081 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 39 transitions, 87 flow. Second operand has 5 states, 5 states have (on average 138.6) internal successors, (693), 5 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:10,081 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 19:35:10,081 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 313 [2023-01-27 19:35:10,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 19:35:11,553 INFO L130 PetriNetUnfolder]: 7003/10637 cut-off events. [2023-01-27 19:35:11,553 INFO L131 PetriNetUnfolder]: For 46/46 co-relation queries the response was YES. [2023-01-27 19:35:11,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20691 conditions, 10637 events. 7003/10637 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 562. Compared 68687 event pairs, 1327 based on Foata normal form. 315/8875 useless extension candidates. Maximal degree in co-relation 20680. Up to 4467 conditions per place. [2023-01-27 19:35:11,655 INFO L137 encePairwiseOnDemand]: 305/313 looper letters, 137 selfloop transitions, 10 changer transitions 0/154 dead transitions. [2023-01-27 19:35:11,655 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 154 transitions, 632 flow [2023-01-27 19:35:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-27 19:35:11,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-01-27 19:35:11,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1253 transitions. [2023-01-27 19:35:11,696 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5003993610223643 [2023-01-27 19:35:11,697 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1253 transitions. [2023-01-27 19:35:11,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1253 transitions. [2023-01-27 19:35:11,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 19:35:11,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1253 transitions. [2023-01-27 19:35:11,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 156.625) internal successors, (1253), 8 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:11,716 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 313.0) internal successors, (2817), 9 states have internal predecessors, (2817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:11,726 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 313.0) internal successors, (2817), 9 states have internal predecessors, (2817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:11,728 INFO L175 Difference]: Start difference. First operand has 47 places, 39 transitions, 87 flow. Second operand 8 states and 1253 transitions. [2023-01-27 19:35:11,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 154 transitions, 632 flow [2023-01-27 19:35:11,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 154 transitions, 622 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-01-27 19:35:11,757 INFO L231 Difference]: Finished difference. Result has 57 places, 46 transitions, 151 flow [2023-01-27 19:35:11,759 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=151, PETRI_PLACES=57, PETRI_TRANSITIONS=46} [2023-01-27 19:35:11,770 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, 10 predicate places. [2023-01-27 19:35:11,770 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 46 transitions, 151 flow [2023-01-27 19:35:11,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 138.6) internal successors, (693), 5 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:11,771 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 19:35:11,771 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 19:35:11,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-27 19:35:11,771 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2023-01-27 19:35:11,777 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 19:35:11,778 INFO L85 PathProgramCache]: Analyzing trace with hash 195691478, now seen corresponding path program 1 times [2023-01-27 19:35:11,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 19:35:11,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591338565] [2023-01-27 19:35:11,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 19:35:11,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 19:35:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 19:35:12,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 19:35:12,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 19:35:12,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591338565] [2023-01-27 19:35:12,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591338565] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 19:35:12,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 19:35:12,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-27 19:35:12,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616270647] [2023-01-27 19:35:12,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 19:35:12,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-01-27 19:35:12,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 19:35:12,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-01-27 19:35:12,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-01-27 19:35:12,043 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 313 [2023-01-27 19:35:12,044 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 46 transitions, 151 flow. Second operand has 5 states, 5 states have (on average 137.0) internal successors, (685), 5 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:12,044 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 19:35:12,044 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 313 [2023-01-27 19:35:12,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 19:35:13,055 INFO L130 PetriNetUnfolder]: 7396/11581 cut-off events. [2023-01-27 19:35:13,056 INFO L131 PetriNetUnfolder]: For 6076/6076 co-relation queries the response was YES. [2023-01-27 19:35:13,078 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27633 conditions, 11581 events. 7396/11581 cut-off events. For 6076/6076 co-relation queries the response was YES. Maximal size of possible extension queue 579. Compared 77108 event pairs, 1674 based on Foata normal form. 0/10089 useless extension candidates. Maximal degree in co-relation 27617. Up to 4462 conditions per place. [2023-01-27 19:35:13,130 INFO L137 encePairwiseOnDemand]: 305/313 looper letters, 122 selfloop transitions, 20 changer transitions 0/149 dead transitions. [2023-01-27 19:35:13,130 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 149 transitions, 781 flow [2023-01-27 19:35:13,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-27 19:35:13,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-01-27 19:35:13,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1206 transitions. [2023-01-27 19:35:13,133 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.481629392971246 [2023-01-27 19:35:13,133 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1206 transitions. [2023-01-27 19:35:13,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1206 transitions. [2023-01-27 19:35:13,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 19:35:13,134 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1206 transitions. [2023-01-27 19:35:13,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 150.75) internal successors, (1206), 8 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:13,143 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 313.0) internal successors, (2817), 9 states have internal predecessors, (2817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:13,144 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 313.0) internal successors, (2817), 9 states have internal predecessors, (2817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:13,144 INFO L175 Difference]: Start difference. First operand has 57 places, 46 transitions, 151 flow. Second operand 8 states and 1206 transitions. [2023-01-27 19:35:13,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 149 transitions, 781 flow [2023-01-27 19:35:13,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 149 transitions, 781 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-01-27 19:35:13,198 INFO L231 Difference]: Finished difference. Result has 69 places, 61 transitions, 326 flow [2023-01-27 19:35:13,198 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=326, PETRI_PLACES=69, PETRI_TRANSITIONS=61} [2023-01-27 19:35:13,199 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, 22 predicate places. [2023-01-27 19:35:13,199 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 61 transitions, 326 flow [2023-01-27 19:35:13,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.0) internal successors, (685), 5 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:13,200 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 19:35:13,200 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 19:35:13,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-27 19:35:13,200 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2023-01-27 19:35:13,202 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 19:35:13,202 INFO L85 PathProgramCache]: Analyzing trace with hash 442248688, now seen corresponding path program 1 times [2023-01-27 19:35:13,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 19:35:13,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700022266] [2023-01-27 19:35:13,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 19:35:13,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 19:35:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 19:35:13,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 19:35:13,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 19:35:13,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700022266] [2023-01-27 19:35:13,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700022266] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 19:35:13,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 19:35:13,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-27 19:35:13,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139414192] [2023-01-27 19:35:13,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 19:35:13,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-27 19:35:13,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 19:35:13,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-27 19:35:13,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-27 19:35:13,280 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 313 [2023-01-27 19:35:13,280 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 61 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:13,280 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 19:35:13,280 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 313 [2023-01-27 19:35:13,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 19:35:13,882 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([410] L693-->L694: Formula: (= |v_#pthreadsMutex_25| (store |v_#pthreadsMutex_26| |v_~#A~0.base_14| (store (select |v_#pthreadsMutex_26| |v_~#A~0.base_14|) |v_~#A~0.offset_14| 0))) InVars {#pthreadsMutex=|v_#pthreadsMutex_26|, ~#A~0.offset=|v_~#A~0.offset_14|, ~#A~0.base=|v_~#A~0.base_14|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_25|, ~#A~0.offset=|v_~#A~0.offset_14|, ~#A~0.base=|v_~#A~0.base_14|} AuxVars[] AssignedVars[#pthreadsMutex][64], [161#t2_funEXITtrue, t2_funThread1of1ForFork2InUse, t_funThread1of1ForFork1InUse, Black: 190#(and (<= ~g~0 ~h~0) (<= ~h~0 ~g~0)), t3_funThread1of1ForFork0InUse, 192#(and (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 191#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|)), 50#L736true, Black: 198#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|) (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 196#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~g~0 ~h~0) (<= ~h~0 ~g~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|) (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 188#true, 174#(<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|), 57#t3_funEXITtrue, 17#L694true, Black: 170#true, Black: 172#(<= ~h~0 ~g~0), Black: 180#(and (<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|)), Black: 173#(<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|), 206#true, Black: 178#(and (<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 ~g~0))]) [2023-01-27 19:35:13,882 INFO L383 tUnfolder$Statistics]: this new event has 26 ancestors and is cut-off event [2023-01-27 19:35:13,882 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-01-27 19:35:13,882 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-01-27 19:35:13,882 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-01-27 19:35:13,883 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([410] L693-->L694: Formula: (= |v_#pthreadsMutex_25| (store |v_#pthreadsMutex_26| |v_~#A~0.base_14| (store (select |v_#pthreadsMutex_26| |v_~#A~0.base_14|) |v_~#A~0.offset_14| 0))) InVars {#pthreadsMutex=|v_#pthreadsMutex_26|, ~#A~0.offset=|v_~#A~0.offset_14|, ~#A~0.base=|v_~#A~0.base_14|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_25|, ~#A~0.offset=|v_~#A~0.offset_14|, ~#A~0.base=|v_~#A~0.base_14|} AuxVars[] AssignedVars[#pthreadsMutex][64], [161#t2_funEXITtrue, t2_funThread1of1ForFork2InUse, t_funThread1of1ForFork1InUse, Black: 190#(and (<= ~g~0 ~h~0) (<= ~h~0 ~g~0)), t3_funThread1of1ForFork0InUse, 192#(and (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 191#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|)), 50#L736true, Black: 198#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|) (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 196#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~g~0 ~h~0) (<= ~h~0 ~g~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|) (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 188#true, 174#(<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|), 17#L694true, Black: 170#true, Black: 172#(<= ~h~0 ~g~0), Black: 180#(and (<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|)), Black: 173#(<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|), 206#true, Black: 178#(and (<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 ~g~0)), 68#t3_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue]) [2023-01-27 19:35:13,890 INFO L383 tUnfolder$Statistics]: this new event has 26 ancestors and is cut-off event [2023-01-27 19:35:13,890 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-01-27 19:35:13,890 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-01-27 19:35:13,890 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-01-27 19:35:13,949 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([410] L693-->L694: Formula: (= |v_#pthreadsMutex_25| (store |v_#pthreadsMutex_26| |v_~#A~0.base_14| (store (select |v_#pthreadsMutex_26| |v_~#A~0.base_14|) |v_~#A~0.offset_14| 0))) InVars {#pthreadsMutex=|v_#pthreadsMutex_26|, ~#A~0.offset=|v_~#A~0.offset_14|, ~#A~0.base=|v_~#A~0.base_14|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_25|, ~#A~0.offset=|v_~#A~0.offset_14|, ~#A~0.base=|v_~#A~0.base_14|} AuxVars[] AssignedVars[#pthreadsMutex][64], [161#t2_funEXITtrue, t2_funThread1of1ForFork2InUse, t_funThread1of1ForFork1InUse, Black: 190#(and (<= ~g~0 ~h~0) (<= ~h~0 ~g~0)), t3_funThread1of1ForFork0InUse, 192#(and (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 191#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|)), 50#L736true, Black: 198#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|) (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 196#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~g~0 ~h~0) (<= ~h~0 ~g~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|) (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), 174#(<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|), Black: 188#true, 57#t3_funEXITtrue, 17#L694true, Black: 170#true, Black: 172#(<= ~h~0 ~g~0), Black: 180#(and (<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|)), Black: 173#(<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|), 206#true, Black: 178#(and (<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 ~g~0))]) [2023-01-27 19:35:13,949 INFO L383 tUnfolder$Statistics]: this new event has 26 ancestors and is cut-off event [2023-01-27 19:35:13,949 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-01-27 19:35:13,949 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-01-27 19:35:13,949 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-01-27 19:35:13,950 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-01-27 19:35:13,950 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([410] L693-->L694: Formula: (= |v_#pthreadsMutex_25| (store |v_#pthreadsMutex_26| |v_~#A~0.base_14| (store (select |v_#pthreadsMutex_26| |v_~#A~0.base_14|) |v_~#A~0.offset_14| 0))) InVars {#pthreadsMutex=|v_#pthreadsMutex_26|, ~#A~0.offset=|v_~#A~0.offset_14|, ~#A~0.base=|v_~#A~0.base_14|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_25|, ~#A~0.offset=|v_~#A~0.offset_14|, ~#A~0.base=|v_~#A~0.base_14|} AuxVars[] AssignedVars[#pthreadsMutex][64], [t2_funThread1of1ForFork2InUse, 161#t2_funEXITtrue, t_funThread1of1ForFork1InUse, Black: 190#(and (<= ~g~0 ~h~0) (<= ~h~0 ~g~0)), t3_funThread1of1ForFork0InUse, 192#(and (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 191#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|)), 50#L736true, Black: 198#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|) (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 196#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~g~0 ~h~0) (<= ~h~0 ~g~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|) (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 188#true, 174#(<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|), 17#L694true, Black: 170#true, Black: 172#(<= ~h~0 ~g~0), Black: 180#(and (<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|)), Black: 173#(<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|), 206#true, Black: 178#(and (<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 ~g~0)), 68#t3_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue]) [2023-01-27 19:35:13,950 INFO L383 tUnfolder$Statistics]: this new event has 26 ancestors and is cut-off event [2023-01-27 19:35:13,950 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-01-27 19:35:13,950 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-01-27 19:35:13,950 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-01-27 19:35:13,950 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-01-27 19:35:13,973 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([410] L693-->L694: Formula: (= |v_#pthreadsMutex_25| (store |v_#pthreadsMutex_26| |v_~#A~0.base_14| (store (select |v_#pthreadsMutex_26| |v_~#A~0.base_14|) |v_~#A~0.offset_14| 0))) InVars {#pthreadsMutex=|v_#pthreadsMutex_26|, ~#A~0.offset=|v_~#A~0.offset_14|, ~#A~0.base=|v_~#A~0.base_14|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_25|, ~#A~0.offset=|v_~#A~0.offset_14|, ~#A~0.base=|v_~#A~0.base_14|} AuxVars[] AssignedVars[#pthreadsMutex][64], [161#t2_funEXITtrue, t2_funThread1of1ForFork2InUse, t_funThread1of1ForFork1InUse, Black: 190#(and (<= ~g~0 ~h~0) (<= ~h~0 ~g~0)), t3_funThread1of1ForFork0InUse, 192#(and (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 191#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|)), Black: 198#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|) (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 196#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~g~0 ~h~0) (<= ~h~0 ~g~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|) (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 188#true, 174#(<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|), 57#t3_funEXITtrue, 17#L694true, 34#L737true, Black: 170#true, Black: 172#(<= ~h~0 ~g~0), Black: 180#(and (<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|)), Black: 173#(<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|), 206#true, Black: 178#(and (<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 ~g~0))]) [2023-01-27 19:35:13,974 INFO L383 tUnfolder$Statistics]: this new event has 27 ancestors and is cut-off event [2023-01-27 19:35:13,974 INFO L386 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2023-01-27 19:35:13,974 INFO L386 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2023-01-27 19:35:13,974 INFO L386 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2023-01-27 19:35:13,974 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([410] L693-->L694: Formula: (= |v_#pthreadsMutex_25| (store |v_#pthreadsMutex_26| |v_~#A~0.base_14| (store (select |v_#pthreadsMutex_26| |v_~#A~0.base_14|) |v_~#A~0.offset_14| 0))) InVars {#pthreadsMutex=|v_#pthreadsMutex_26|, ~#A~0.offset=|v_~#A~0.offset_14|, ~#A~0.base=|v_~#A~0.base_14|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_25|, ~#A~0.offset=|v_~#A~0.offset_14|, ~#A~0.base=|v_~#A~0.base_14|} AuxVars[] AssignedVars[#pthreadsMutex][64], [161#t2_funEXITtrue, t2_funThread1of1ForFork2InUse, t_funThread1of1ForFork1InUse, Black: 190#(and (<= ~g~0 ~h~0) (<= ~h~0 ~g~0)), t3_funThread1of1ForFork0InUse, 192#(and (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 191#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|)), Black: 198#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|) (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 196#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~g~0 ~h~0) (<= ~h~0 ~g~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|) (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 188#true, 174#(<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|), 17#L694true, 34#L737true, Black: 170#true, Black: 172#(<= ~h~0 ~g~0), Black: 180#(and (<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|)), Black: 173#(<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|), 206#true, Black: 178#(and (<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 ~g~0)), 68#t3_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue]) [2023-01-27 19:35:13,974 INFO L383 tUnfolder$Statistics]: this new event has 27 ancestors and is cut-off event [2023-01-27 19:35:13,974 INFO L386 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2023-01-27 19:35:13,974 INFO L386 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2023-01-27 19:35:13,974 INFO L386 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2023-01-27 19:35:14,020 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([410] L693-->L694: Formula: (= |v_#pthreadsMutex_25| (store |v_#pthreadsMutex_26| |v_~#A~0.base_14| (store (select |v_#pthreadsMutex_26| |v_~#A~0.base_14|) |v_~#A~0.offset_14| 0))) InVars {#pthreadsMutex=|v_#pthreadsMutex_26|, ~#A~0.offset=|v_~#A~0.offset_14|, ~#A~0.base=|v_~#A~0.base_14|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_25|, ~#A~0.offset=|v_~#A~0.offset_14|, ~#A~0.base=|v_~#A~0.base_14|} AuxVars[] AssignedVars[#pthreadsMutex][64], [161#t2_funEXITtrue, t2_funThread1of1ForFork2InUse, t_funThread1of1ForFork1InUse, Black: 190#(and (<= ~g~0 ~h~0) (<= ~h~0 ~g~0)), t3_funThread1of1ForFork0InUse, 192#(and (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 191#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|)), Black: 198#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|) (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 196#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~g~0 ~h~0) (<= ~h~0 ~g~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|) (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 188#true, 174#(<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|), 57#t3_funEXITtrue, 17#L694true, 34#L737true, Black: 170#true, Black: 172#(<= ~h~0 ~g~0), Black: 180#(and (<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|)), Black: 173#(<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|), 206#true, Black: 178#(and (<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 ~g~0))]) [2023-01-27 19:35:14,020 INFO L383 tUnfolder$Statistics]: this new event has 27 ancestors and is cut-off event [2023-01-27 19:35:14,020 INFO L386 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2023-01-27 19:35:14,020 INFO L386 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2023-01-27 19:35:14,020 INFO L386 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2023-01-27 19:35:14,021 INFO L386 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2023-01-27 19:35:14,021 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([410] L693-->L694: Formula: (= |v_#pthreadsMutex_25| (store |v_#pthreadsMutex_26| |v_~#A~0.base_14| (store (select |v_#pthreadsMutex_26| |v_~#A~0.base_14|) |v_~#A~0.offset_14| 0))) InVars {#pthreadsMutex=|v_#pthreadsMutex_26|, ~#A~0.offset=|v_~#A~0.offset_14|, ~#A~0.base=|v_~#A~0.base_14|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_25|, ~#A~0.offset=|v_~#A~0.offset_14|, ~#A~0.base=|v_~#A~0.base_14|} AuxVars[] AssignedVars[#pthreadsMutex][64], [t2_funThread1of1ForFork2InUse, 161#t2_funEXITtrue, t_funThread1of1ForFork1InUse, Black: 190#(and (<= ~g~0 ~h~0) (<= ~h~0 ~g~0)), t3_funThread1of1ForFork0InUse, 192#(and (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 191#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|)), Black: 198#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|) (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 196#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~g~0 ~h~0) (<= ~h~0 ~g~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|) (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 188#true, 174#(<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|), 17#L694true, 34#L737true, Black: 170#true, Black: 172#(<= ~h~0 ~g~0), Black: 180#(and (<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|)), Black: 173#(<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|), 206#true, Black: 178#(and (<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 ~g~0)), 68#t3_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue]) [2023-01-27 19:35:14,021 INFO L383 tUnfolder$Statistics]: this new event has 27 ancestors and is cut-off event [2023-01-27 19:35:14,021 INFO L386 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2023-01-27 19:35:14,021 INFO L386 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2023-01-27 19:35:14,021 INFO L386 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2023-01-27 19:35:14,021 INFO L386 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2023-01-27 19:35:14,024 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([410] L693-->L694: Formula: (= |v_#pthreadsMutex_25| (store |v_#pthreadsMutex_26| |v_~#A~0.base_14| (store (select |v_#pthreadsMutex_26| |v_~#A~0.base_14|) |v_~#A~0.offset_14| 0))) InVars {#pthreadsMutex=|v_#pthreadsMutex_26|, ~#A~0.offset=|v_~#A~0.offset_14|, ~#A~0.base=|v_~#A~0.base_14|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_25|, ~#A~0.offset=|v_~#A~0.offset_14|, ~#A~0.base=|v_~#A~0.base_14|} AuxVars[] AssignedVars[#pthreadsMutex][64], [161#t2_funEXITtrue, t2_funThread1of1ForFork2InUse, 2#ULTIMATE.startEXITtrue, t_funThread1of1ForFork1InUse, Black: 190#(and (<= ~g~0 ~h~0) (<= ~h~0 ~g~0)), t3_funThread1of1ForFork0InUse, 192#(and (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 191#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|)), Black: 198#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|) (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 196#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~g~0 ~h~0) (<= ~h~0 ~g~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|) (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 188#true, 174#(<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|), 57#t3_funEXITtrue, 17#L694true, Black: 170#true, Black: 172#(<= ~h~0 ~g~0), Black: 180#(and (<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|)), Black: 173#(<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|), 206#true, Black: 178#(and (<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 ~g~0))]) [2023-01-27 19:35:14,024 INFO L383 tUnfolder$Statistics]: this new event has 28 ancestors and is cut-off event [2023-01-27 19:35:14,024 INFO L386 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2023-01-27 19:35:14,024 INFO L386 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2023-01-27 19:35:14,024 INFO L386 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2023-01-27 19:35:14,039 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([410] L693-->L694: Formula: (= |v_#pthreadsMutex_25| (store |v_#pthreadsMutex_26| |v_~#A~0.base_14| (store (select |v_#pthreadsMutex_26| |v_~#A~0.base_14|) |v_~#A~0.offset_14| 0))) InVars {#pthreadsMutex=|v_#pthreadsMutex_26|, ~#A~0.offset=|v_~#A~0.offset_14|, ~#A~0.base=|v_~#A~0.base_14|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_25|, ~#A~0.offset=|v_~#A~0.offset_14|, ~#A~0.base=|v_~#A~0.base_14|} AuxVars[] AssignedVars[#pthreadsMutex][64], [161#t2_funEXITtrue, t2_funThread1of1ForFork2InUse, 2#ULTIMATE.startEXITtrue, t_funThread1of1ForFork1InUse, Black: 190#(and (<= ~g~0 ~h~0) (<= ~h~0 ~g~0)), t3_funThread1of1ForFork0InUse, 192#(and (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 191#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|)), Black: 198#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|) (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 196#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~g~0 ~h~0) (<= ~h~0 ~g~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|) (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 188#true, 174#(<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|), 17#L694true, Black: 170#true, Black: 172#(<= ~h~0 ~g~0), Black: 180#(and (<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|)), Black: 173#(<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|), 206#true, Black: 178#(and (<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 ~g~0)), 68#t3_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue]) [2023-01-27 19:35:14,039 INFO L383 tUnfolder$Statistics]: this new event has 28 ancestors and is cut-off event [2023-01-27 19:35:14,039 INFO L386 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2023-01-27 19:35:14,039 INFO L386 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2023-01-27 19:35:14,039 INFO L386 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2023-01-27 19:35:14,162 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([410] L693-->L694: Formula: (= |v_#pthreadsMutex_25| (store |v_#pthreadsMutex_26| |v_~#A~0.base_14| (store (select |v_#pthreadsMutex_26| |v_~#A~0.base_14|) |v_~#A~0.offset_14| 0))) InVars {#pthreadsMutex=|v_#pthreadsMutex_26|, ~#A~0.offset=|v_~#A~0.offset_14|, ~#A~0.base=|v_~#A~0.base_14|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_25|, ~#A~0.offset=|v_~#A~0.offset_14|, ~#A~0.base=|v_~#A~0.base_14|} AuxVars[] AssignedVars[#pthreadsMutex][64], [161#t2_funEXITtrue, t2_funThread1of1ForFork2InUse, 2#ULTIMATE.startEXITtrue, t_funThread1of1ForFork1InUse, Black: 190#(and (<= ~g~0 ~h~0) (<= ~h~0 ~g~0)), t3_funThread1of1ForFork0InUse, 192#(and (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 191#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|)), Black: 198#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|) (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 196#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~g~0 ~h~0) (<= ~h~0 ~g~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|) (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 188#true, 174#(<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|), 57#t3_funEXITtrue, 17#L694true, Black: 170#true, Black: 172#(<= ~h~0 ~g~0), Black: 180#(and (<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|)), Black: 173#(<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|), 206#true, Black: 178#(and (<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 ~g~0))]) [2023-01-27 19:35:14,163 INFO L383 tUnfolder$Statistics]: this new event has 28 ancestors and is cut-off event [2023-01-27 19:35:14,163 INFO L386 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2023-01-27 19:35:14,163 INFO L386 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2023-01-27 19:35:14,163 INFO L386 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2023-01-27 19:35:14,163 INFO L386 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2023-01-27 19:35:14,163 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([410] L693-->L694: Formula: (= |v_#pthreadsMutex_25| (store |v_#pthreadsMutex_26| |v_~#A~0.base_14| (store (select |v_#pthreadsMutex_26| |v_~#A~0.base_14|) |v_~#A~0.offset_14| 0))) InVars {#pthreadsMutex=|v_#pthreadsMutex_26|, ~#A~0.offset=|v_~#A~0.offset_14|, ~#A~0.base=|v_~#A~0.base_14|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_25|, ~#A~0.offset=|v_~#A~0.offset_14|, ~#A~0.base=|v_~#A~0.base_14|} AuxVars[] AssignedVars[#pthreadsMutex][64], [t2_funThread1of1ForFork2InUse, 161#t2_funEXITtrue, 2#ULTIMATE.startEXITtrue, t_funThread1of1ForFork1InUse, Black: 190#(and (<= ~g~0 ~h~0) (<= ~h~0 ~g~0)), t3_funThread1of1ForFork0InUse, 192#(and (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 191#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|)), Black: 198#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|) (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 196#(and (<= |ULTIMATE.start_main_~x~3#1| ~h~0) (<= ~g~0 ~h~0) (<= ~h~0 ~g~0) (<= ~h~0 |ULTIMATE.start_main_~x~3#1|) (< |ULTIMATE.start_main_~y~2#1| (+ |ULTIMATE.start_main_~x~3#1| 1)) (<= |ULTIMATE.start_main_~x~3#1| |ULTIMATE.start_main_~y~2#1|)), Black: 188#true, 174#(<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|), 17#L694true, Black: 170#true, Black: 172#(<= ~h~0 ~g~0), Black: 180#(and (<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|)), Black: 173#(<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|), 206#true, Black: 178#(and (<= |t2_funThread1of1ForFork2_~y~0#1| |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 |t2_funThread1of1ForFork2_~x~1#1|) (<= ~h~0 ~g~0)), 68#t3_funErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue]) [2023-01-27 19:35:14,164 INFO L383 tUnfolder$Statistics]: this new event has 28 ancestors and is cut-off event [2023-01-27 19:35:14,164 INFO L386 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2023-01-27 19:35:14,164 INFO L386 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2023-01-27 19:35:14,164 INFO L386 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2023-01-27 19:35:14,164 INFO L386 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2023-01-27 19:35:14,241 INFO L130 PetriNetUnfolder]: 3637/6796 cut-off events. [2023-01-27 19:35:14,252 INFO L131 PetriNetUnfolder]: For 6478/6790 co-relation queries the response was YES. [2023-01-27 19:35:14,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17685 conditions, 6796 events. 3637/6796 cut-off events. For 6478/6790 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 51709 event pairs, 1607 based on Foata normal form. 792/7002 useless extension candidates. Maximal degree in co-relation 17661. Up to 3854 conditions per place. [2023-01-27 19:35:14,330 INFO L137 encePairwiseOnDemand]: 298/313 looper letters, 52 selfloop transitions, 16 changer transitions 0/88 dead transitions. [2023-01-27 19:35:14,330 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 88 transitions, 569 flow [2023-01-27 19:35:14,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-27 19:35:14,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-01-27 19:35:14,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 445 transitions. [2023-01-27 19:35:14,332 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4739084132055378 [2023-01-27 19:35:14,332 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 445 transitions. [2023-01-27 19:35:14,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 445 transitions. [2023-01-27 19:35:14,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 19:35:14,332 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 445 transitions. [2023-01-27 19:35:14,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:14,334 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:14,335 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:14,335 INFO L175 Difference]: Start difference. First operand has 69 places, 61 transitions, 326 flow. Second operand 3 states and 445 transitions. [2023-01-27 19:35:14,335 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 88 transitions, 569 flow [2023-01-27 19:35:14,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 88 transitions, 565 flow, removed 2 selfloop flow, removed 0 redundant places. [2023-01-27 19:35:14,422 INFO L231 Difference]: Finished difference. Result has 72 places, 70 transitions, 408 flow [2023-01-27 19:35:14,422 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=408, PETRI_PLACES=72, PETRI_TRANSITIONS=70} [2023-01-27 19:35:14,423 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, 25 predicate places. [2023-01-27 19:35:14,423 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 70 transitions, 408 flow [2023-01-27 19:35:14,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:14,424 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 19:35:14,424 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 19:35:14,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-01-27 19:35:14,424 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2023-01-27 19:35:14,424 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 19:35:14,424 INFO L85 PathProgramCache]: Analyzing trace with hash 799830391, now seen corresponding path program 1 times [2023-01-27 19:35:14,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 19:35:14,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938576586] [2023-01-27 19:35:14,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 19:35:14,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 19:35:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 19:35:14,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 19:35:14,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 19:35:14,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938576586] [2023-01-27 19:35:14,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938576586] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 19:35:14,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 19:35:14,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-27 19:35:14,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816409946] [2023-01-27 19:35:14,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 19:35:14,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-01-27 19:35:14,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 19:35:14,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-01-27 19:35:14,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-01-27 19:35:14,605 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 313 [2023-01-27 19:35:14,605 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 70 transitions, 408 flow. Second operand has 5 states, 5 states have (on average 139.2) internal successors, (696), 5 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:14,606 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 19:35:14,608 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 313 [2023-01-27 19:35:14,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 19:35:16,006 INFO L130 PetriNetUnfolder]: 5146/8797 cut-off events. [2023-01-27 19:35:16,006 INFO L131 PetriNetUnfolder]: For 10117/10170 co-relation queries the response was YES. [2023-01-27 19:35:16,078 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28681 conditions, 8797 events. 5146/8797 cut-off events. For 10117/10170 co-relation queries the response was YES. Maximal size of possible extension queue 379. Compared 59191 event pairs, 1961 based on Foata normal form. 47/8288 useless extension candidates. Maximal degree in co-relation 28655. Up to 3597 conditions per place. [2023-01-27 19:35:16,150 INFO L137 encePairwiseOnDemand]: 306/313 looper letters, 118 selfloop transitions, 31 changer transitions 5/166 dead transitions. [2023-01-27 19:35:16,150 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 166 transitions, 1254 flow [2023-01-27 19:35:16,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-27 19:35:16,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-01-27 19:35:16,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1202 transitions. [2023-01-27 19:35:16,153 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48003194888178913 [2023-01-27 19:35:16,153 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1202 transitions. [2023-01-27 19:35:16,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1202 transitions. [2023-01-27 19:35:16,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 19:35:16,154 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1202 transitions. [2023-01-27 19:35:16,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 150.25) internal successors, (1202), 8 states have internal predecessors, (1202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:16,175 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 313.0) internal successors, (2817), 9 states have internal predecessors, (2817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:16,175 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 313.0) internal successors, (2817), 9 states have internal predecessors, (2817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:16,175 INFO L175 Difference]: Start difference. First operand has 72 places, 70 transitions, 408 flow. Second operand 8 states and 1202 transitions. [2023-01-27 19:35:16,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 166 transitions, 1254 flow [2023-01-27 19:35:16,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 166 transitions, 1215 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-01-27 19:35:16,275 INFO L231 Difference]: Finished difference. Result has 84 places, 89 transitions, 697 flow [2023-01-27 19:35:16,275 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=697, PETRI_PLACES=84, PETRI_TRANSITIONS=89} [2023-01-27 19:35:16,277 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, 37 predicate places. [2023-01-27 19:35:16,277 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 89 transitions, 697 flow [2023-01-27 19:35:16,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 139.2) internal successors, (696), 5 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:16,277 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 19:35:16,277 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 19:35:16,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-01-27 19:35:16,277 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2023-01-27 19:35:16,278 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 19:35:16,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1492423791, now seen corresponding path program 1 times [2023-01-27 19:35:16,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 19:35:16,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561896347] [2023-01-27 19:35:16,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 19:35:16,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 19:35:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 19:35:16,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 19:35:16,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 19:35:16,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561896347] [2023-01-27 19:35:16,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561896347] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 19:35:16,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 19:35:16,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-01-27 19:35:16,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199882470] [2023-01-27 19:35:16,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 19:35:16,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-01-27 19:35:16,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 19:35:16,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-01-27 19:35:16,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-01-27 19:35:16,411 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 313 [2023-01-27 19:35:16,412 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 89 transitions, 697 flow. Second operand has 6 states, 6 states have (on average 135.83333333333334) internal successors, (815), 6 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:16,412 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 19:35:16,412 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 313 [2023-01-27 19:35:16,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 19:35:17,720 INFO L130 PetriNetUnfolder]: 5750/9982 cut-off events. [2023-01-27 19:35:17,720 INFO L131 PetriNetUnfolder]: For 20264/20387 co-relation queries the response was YES. [2023-01-27 19:35:17,779 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33350 conditions, 9982 events. 5750/9982 cut-off events. For 20264/20387 co-relation queries the response was YES. Maximal size of possible extension queue 434. Compared 70857 event pairs, 2097 based on Foata normal form. 285/10005 useless extension candidates. Maximal degree in co-relation 33317. Up to 4218 conditions per place. [2023-01-27 19:35:17,840 INFO L137 encePairwiseOnDemand]: 307/313 looper letters, 156 selfloop transitions, 35 changer transitions 1/204 dead transitions. [2023-01-27 19:35:17,841 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 204 transitions, 1661 flow [2023-01-27 19:35:17,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-27 19:35:17,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-01-27 19:35:17,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1062 transitions. [2023-01-27 19:35:17,853 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4847101780009128 [2023-01-27 19:35:17,853 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1062 transitions. [2023-01-27 19:35:17,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1062 transitions. [2023-01-27 19:35:17,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 19:35:17,853 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1062 transitions. [2023-01-27 19:35:17,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 151.71428571428572) internal successors, (1062), 7 states have internal predecessors, (1062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:17,857 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 313.0) internal successors, (2504), 8 states have internal predecessors, (2504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:17,859 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 313.0) internal successors, (2504), 8 states have internal predecessors, (2504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:17,859 INFO L175 Difference]: Start difference. First operand has 84 places, 89 transitions, 697 flow. Second operand 7 states and 1062 transitions. [2023-01-27 19:35:17,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 204 transitions, 1661 flow [2023-01-27 19:35:18,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 204 transitions, 1655 flow, removed 3 selfloop flow, removed 0 redundant places. [2023-01-27 19:35:18,028 INFO L231 Difference]: Finished difference. Result has 94 places, 93 transitions, 808 flow [2023-01-27 19:35:18,028 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=691, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=808, PETRI_PLACES=94, PETRI_TRANSITIONS=93} [2023-01-27 19:35:18,046 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, 47 predicate places. [2023-01-27 19:35:18,046 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 93 transitions, 808 flow [2023-01-27 19:35:18,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 135.83333333333334) internal successors, (815), 6 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:18,048 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 19:35:18,049 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 19:35:18,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-01-27 19:35:18,049 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2023-01-27 19:35:18,049 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 19:35:18,049 INFO L85 PathProgramCache]: Analyzing trace with hash -546670984, now seen corresponding path program 1 times [2023-01-27 19:35:18,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 19:35:18,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797423517] [2023-01-27 19:35:18,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 19:35:18,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 19:35:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 19:35:18,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 19:35:18,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 19:35:18,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797423517] [2023-01-27 19:35:18,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797423517] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 19:35:18,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 19:35:18,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-27 19:35:18,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850432360] [2023-01-27 19:35:18,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 19:35:18,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-01-27 19:35:18,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 19:35:18,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-01-27 19:35:18,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-01-27 19:35:18,278 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 313 [2023-01-27 19:35:18,279 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 93 transitions, 808 flow. Second operand has 5 states, 5 states have (on average 125.4) internal successors, (627), 5 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:18,279 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 19:35:18,279 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 313 [2023-01-27 19:35:18,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 19:35:18,785 INFO L130 PetriNetUnfolder]: 1305/2906 cut-off events. [2023-01-27 19:35:18,785 INFO L131 PetriNetUnfolder]: For 8670/8988 co-relation queries the response was YES. [2023-01-27 19:35:18,820 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10591 conditions, 2906 events. 1305/2906 cut-off events. For 8670/8988 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 21509 event pairs, 229 based on Foata normal form. 538/3330 useless extension candidates. Maximal degree in co-relation 10553. Up to 1804 conditions per place. [2023-01-27 19:35:18,828 INFO L137 encePairwiseOnDemand]: 303/313 looper letters, 55 selfloop transitions, 17 changer transitions 4/104 dead transitions. [2023-01-27 19:35:18,828 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 104 transitions, 978 flow [2023-01-27 19:35:18,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-01-27 19:35:18,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-01-27 19:35:18,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 538 transitions. [2023-01-27 19:35:18,842 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42971246006389774 [2023-01-27 19:35:18,843 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 538 transitions. [2023-01-27 19:35:18,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 538 transitions. [2023-01-27 19:35:18,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 19:35:18,843 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 538 transitions. [2023-01-27 19:35:18,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 134.5) internal successors, (538), 4 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:18,845 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 313.0) internal successors, (1565), 5 states have internal predecessors, (1565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:18,846 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 313.0) internal successors, (1565), 5 states have internal predecessors, (1565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:18,846 INFO L175 Difference]: Start difference. First operand has 94 places, 93 transitions, 808 flow. Second operand 4 states and 538 transitions. [2023-01-27 19:35:18,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 104 transitions, 978 flow [2023-01-27 19:35:18,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 104 transitions, 913 flow, removed 7 selfloop flow, removed 4 redundant places. [2023-01-27 19:35:18,949 INFO L231 Difference]: Finished difference. Result has 92 places, 85 transitions, 678 flow [2023-01-27 19:35:18,949 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=675, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=678, PETRI_PLACES=92, PETRI_TRANSITIONS=85} [2023-01-27 19:35:18,951 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, 45 predicate places. [2023-01-27 19:35:18,951 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 85 transitions, 678 flow [2023-01-27 19:35:18,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 125.4) internal successors, (627), 5 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:18,952 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 19:35:18,952 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 19:35:18,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-01-27 19:35:18,952 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2023-01-27 19:35:18,953 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 19:35:18,953 INFO L85 PathProgramCache]: Analyzing trace with hash 396316053, now seen corresponding path program 1 times [2023-01-27 19:35:18,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 19:35:18,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116357056] [2023-01-27 19:35:18,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 19:35:18,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 19:35:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 19:35:19,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 19:35:19,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 19:35:19,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116357056] [2023-01-27 19:35:19,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116357056] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 19:35:19,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 19:35:19,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-01-27 19:35:19,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103119450] [2023-01-27 19:35:19,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 19:35:19,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-01-27 19:35:19,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 19:35:19,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-01-27 19:35:19,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-01-27 19:35:19,095 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 313 [2023-01-27 19:35:19,095 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 85 transitions, 678 flow. Second operand has 6 states, 6 states have (on average 136.16666666666666) internal successors, (817), 6 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:19,096 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 19:35:19,096 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 313 [2023-01-27 19:35:19,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 19:35:19,828 INFO L130 PetriNetUnfolder]: 1764/3686 cut-off events. [2023-01-27 19:35:19,828 INFO L131 PetriNetUnfolder]: For 9416/9521 co-relation queries the response was YES. [2023-01-27 19:35:19,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13500 conditions, 3686 events. 1764/3686 cut-off events. For 9416/9521 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 26834 event pairs, 342 based on Foata normal form. 193/3824 useless extension candidates. Maximal degree in co-relation 13463. Up to 1301 conditions per place. [2023-01-27 19:35:19,851 INFO L137 encePairwiseOnDemand]: 305/313 looper letters, 163 selfloop transitions, 39 changer transitions 12/226 dead transitions. [2023-01-27 19:35:19,852 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 226 transitions, 1854 flow [2023-01-27 19:35:19,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-01-27 19:35:19,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-01-27 19:35:19,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1904 transitions. [2023-01-27 19:35:19,856 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.467928237896289 [2023-01-27 19:35:19,856 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1904 transitions. [2023-01-27 19:35:19,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1904 transitions. [2023-01-27 19:35:19,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 19:35:19,857 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1904 transitions. [2023-01-27 19:35:19,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 146.46153846153845) internal successors, (1904), 13 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:19,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 313.0) internal successors, (4382), 14 states have internal predecessors, (4382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:19,864 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 313.0) internal successors, (4382), 14 states have internal predecessors, (4382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:19,864 INFO L175 Difference]: Start difference. First operand has 92 places, 85 transitions, 678 flow. Second operand 13 states and 1904 transitions. [2023-01-27 19:35:19,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 226 transitions, 1854 flow [2023-01-27 19:35:19,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 226 transitions, 1781 flow, removed 4 selfloop flow, removed 2 redundant places. [2023-01-27 19:35:19,937 INFO L231 Difference]: Finished difference. Result has 106 places, 91 transitions, 844 flow [2023-01-27 19:35:19,937 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=659, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=844, PETRI_PLACES=106, PETRI_TRANSITIONS=91} [2023-01-27 19:35:19,938 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, 59 predicate places. [2023-01-27 19:35:19,938 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 91 transitions, 844 flow [2023-01-27 19:35:19,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 136.16666666666666) internal successors, (817), 6 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:19,939 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 19:35:19,939 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 19:35:19,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-01-27 19:35:19,940 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2023-01-27 19:35:19,947 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 19:35:19,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1974240727, now seen corresponding path program 1 times [2023-01-27 19:35:19,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 19:35:19,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028209566] [2023-01-27 19:35:19,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 19:35:19,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 19:35:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 19:35:20,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 19:35:20,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 19:35:20,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028209566] [2023-01-27 19:35:20,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028209566] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 19:35:20,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 19:35:20,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-01-27 19:35:20,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759301907] [2023-01-27 19:35:20,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 19:35:20,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-01-27 19:35:20,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 19:35:20,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-01-27 19:35:20,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-01-27 19:35:20,335 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 313 [2023-01-27 19:35:20,335 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 91 transitions, 844 flow. Second operand has 5 states, 5 states have (on average 126.0) internal successors, (630), 5 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:20,336 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 19:35:20,336 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 313 [2023-01-27 19:35:20,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 19:35:20,545 INFO L130 PetriNetUnfolder]: 297/1077 cut-off events. [2023-01-27 19:35:20,546 INFO L131 PetriNetUnfolder]: For 2194/2308 co-relation queries the response was YES. [2023-01-27 19:35:20,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3776 conditions, 1077 events. 297/1077 cut-off events. For 2194/2308 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 7726 event pairs, 119 based on Foata normal form. 57/1119 useless extension candidates. Maximal degree in co-relation 3734. Up to 480 conditions per place. [2023-01-27 19:35:20,572 INFO L137 encePairwiseOnDemand]: 302/313 looper letters, 37 selfloop transitions, 14 changer transitions 2/73 dead transitions. [2023-01-27 19:35:20,572 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 73 transitions, 661 flow [2023-01-27 19:35:20,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-01-27 19:35:20,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-01-27 19:35:20,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 534 transitions. [2023-01-27 19:35:20,574 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.426517571884984 [2023-01-27 19:35:20,574 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 534 transitions. [2023-01-27 19:35:20,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 534 transitions. [2023-01-27 19:35:20,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 19:35:20,575 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 534 transitions. [2023-01-27 19:35:20,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 133.5) internal successors, (534), 4 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:20,577 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 313.0) internal successors, (1565), 5 states have internal predecessors, (1565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:20,578 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 313.0) internal successors, (1565), 5 states have internal predecessors, (1565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:20,578 INFO L175 Difference]: Start difference. First operand has 106 places, 91 transitions, 844 flow. Second operand 4 states and 534 transitions. [2023-01-27 19:35:20,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 73 transitions, 661 flow [2023-01-27 19:35:20,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 73 transitions, 534 flow, removed 18 selfloop flow, removed 21 redundant places. [2023-01-27 19:35:20,586 INFO L231 Difference]: Finished difference. Result has 83 places, 64 transitions, 414 flow [2023-01-27 19:35:20,586 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=414, PETRI_PLACES=83, PETRI_TRANSITIONS=64} [2023-01-27 19:35:20,598 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, 36 predicate places. [2023-01-27 19:35:20,598 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 64 transitions, 414 flow [2023-01-27 19:35:20,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 126.0) internal successors, (630), 5 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:20,599 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 19:35:20,599 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 19:35:20,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-01-27 19:35:20,599 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2023-01-27 19:35:20,599 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 19:35:20,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1373040322, now seen corresponding path program 1 times [2023-01-27 19:35:20,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 19:35:20,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812004432] [2023-01-27 19:35:20,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 19:35:20,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 19:35:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 19:35:20,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 19:35:20,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 19:35:20,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812004432] [2023-01-27 19:35:20,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812004432] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 19:35:20,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 19:35:20,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-01-27 19:35:20,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065474993] [2023-01-27 19:35:20,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 19:35:20,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-01-27 19:35:20,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 19:35:20,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-01-27 19:35:20,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-01-27 19:35:20,819 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 313 [2023-01-27 19:35:20,820 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 64 transitions, 414 flow. Second operand has 6 states, 6 states have (on average 134.5) internal successors, (807), 6 states have internal predecessors, (807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:20,820 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 19:35:20,820 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 313 [2023-01-27 19:35:20,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 19:35:21,228 INFO L130 PetriNetUnfolder]: 514/1413 cut-off events. [2023-01-27 19:35:21,228 INFO L131 PetriNetUnfolder]: For 1390/1394 co-relation queries the response was YES. [2023-01-27 19:35:21,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4742 conditions, 1413 events. 514/1413 cut-off events. For 1390/1394 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 9132 event pairs, 223 based on Foata normal form. 24/1427 useless extension candidates. Maximal degree in co-relation 4713. Up to 359 conditions per place. [2023-01-27 19:35:21,234 INFO L137 encePairwiseOnDemand]: 306/313 looper letters, 83 selfloop transitions, 15 changer transitions 33/139 dead transitions. [2023-01-27 19:35:21,234 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 139 transitions, 1067 flow [2023-01-27 19:35:21,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-01-27 19:35:21,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-01-27 19:35:21,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1691 transitions. [2023-01-27 19:35:21,250 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4502129925452609 [2023-01-27 19:35:21,250 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1691 transitions. [2023-01-27 19:35:21,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1691 transitions. [2023-01-27 19:35:21,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 19:35:21,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1691 transitions. [2023-01-27 19:35:21,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 140.91666666666666) internal successors, (1691), 12 states have internal predecessors, (1691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:21,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 313.0) internal successors, (4069), 13 states have internal predecessors, (4069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:21,271 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 313.0) internal successors, (4069), 13 states have internal predecessors, (4069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:21,272 INFO L175 Difference]: Start difference. First operand has 83 places, 64 transitions, 414 flow. Second operand 12 states and 1691 transitions. [2023-01-27 19:35:21,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 139 transitions, 1067 flow [2023-01-27 19:35:21,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 139 transitions, 1022 flow, removed 4 selfloop flow, removed 3 redundant places. [2023-01-27 19:35:21,277 INFO L231 Difference]: Finished difference. Result has 90 places, 54 transitions, 335 flow [2023-01-27 19:35:21,277 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=335, PETRI_PLACES=90, PETRI_TRANSITIONS=54} [2023-01-27 19:35:21,278 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, 43 predicate places. [2023-01-27 19:35:21,278 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 54 transitions, 335 flow [2023-01-27 19:35:21,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 134.5) internal successors, (807), 6 states have internal predecessors, (807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:21,279 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 19:35:21,279 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 19:35:21,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-01-27 19:35:21,279 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2023-01-27 19:35:21,279 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 19:35:21,279 INFO L85 PathProgramCache]: Analyzing trace with hash 2055360479, now seen corresponding path program 1 times [2023-01-27 19:35:21,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 19:35:21,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825479140] [2023-01-27 19:35:21,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 19:35:21,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 19:35:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 19:35:21,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 19:35:21,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 19:35:21,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825479140] [2023-01-27 19:35:21,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825479140] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 19:35:21,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 19:35:21,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-01-27 19:35:21,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515961374] [2023-01-27 19:35:21,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 19:35:21,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-01-27 19:35:21,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 19:35:21,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-01-27 19:35:21,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-01-27 19:35:21,498 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 313 [2023-01-27 19:35:21,499 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 54 transitions, 335 flow. Second operand has 6 states, 6 states have (on average 136.66666666666666) internal successors, (820), 6 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:21,499 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 19:35:21,499 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 313 [2023-01-27 19:35:21,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 19:35:21,749 INFO L130 PetriNetUnfolder]: 305/844 cut-off events. [2023-01-27 19:35:21,749 INFO L131 PetriNetUnfolder]: For 934/938 co-relation queries the response was YES. [2023-01-27 19:35:21,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2660 conditions, 844 events. 305/844 cut-off events. For 934/938 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4659 event pairs, 169 based on Foata normal form. 47/884 useless extension candidates. Maximal degree in co-relation 2646. Up to 403 conditions per place. [2023-01-27 19:35:21,791 INFO L137 encePairwiseOnDemand]: 307/313 looper letters, 0 selfloop transitions, 0 changer transitions 79/79 dead transitions. [2023-01-27 19:35:21,791 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 79 transitions, 573 flow [2023-01-27 19:35:21,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-01-27 19:35:21,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-01-27 19:35:21,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 999 transitions. [2023-01-27 19:35:21,802 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4559561843906892 [2023-01-27 19:35:21,802 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 999 transitions. [2023-01-27 19:35:21,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 999 transitions. [2023-01-27 19:35:21,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 19:35:21,803 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 999 transitions. [2023-01-27 19:35:21,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 142.71428571428572) internal successors, (999), 7 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:21,806 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 313.0) internal successors, (2504), 8 states have internal predecessors, (2504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:21,807 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 313.0) internal successors, (2504), 8 states have internal predecessors, (2504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:21,807 INFO L175 Difference]: Start difference. First operand has 90 places, 54 transitions, 335 flow. Second operand 7 states and 999 transitions. [2023-01-27 19:35:21,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 79 transitions, 573 flow [2023-01-27 19:35:21,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 79 transitions, 520 flow, removed 7 selfloop flow, removed 11 redundant places. [2023-01-27 19:35:21,810 INFO L231 Difference]: Finished difference. Result has 79 places, 0 transitions, 0 flow [2023-01-27 19:35:21,825 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=79, PETRI_TRANSITIONS=0} [2023-01-27 19:35:21,826 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, 32 predicate places. [2023-01-27 19:35:21,826 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 0 transitions, 0 flow [2023-01-27 19:35:21,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 136.66666666666666) internal successors, (820), 6 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 19:35:21,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 9 remaining) [2023-01-27 19:35:21,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 9 remaining) [2023-01-27 19:35:21,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 9 remaining) [2023-01-27 19:35:21,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 9 remaining) [2023-01-27 19:35:21,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2023-01-27 19:35:21,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 9 remaining) [2023-01-27 19:35:21,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 9 remaining) [2023-01-27 19:35:21,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 9 remaining) [2023-01-27 19:35:21,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 9 remaining) [2023-01-27 19:35:21,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-01-27 19:35:21,829 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 19:35:21,833 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-27 19:35:21,833 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-27 19:35:21,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 07:35:21 BasicIcfg [2023-01-27 19:35:21,836 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-27 19:35:21,836 INFO L158 Benchmark]: Toolchain (without parser) took 20298.80ms. Allocated memory was 446.7MB in the beginning and 748.7MB in the end (delta: 302.0MB). Free memory was 384.0MB in the beginning and 455.9MB in the end (delta: -71.9MB). Peak memory consumption was 231.9MB. Max. memory is 16.0GB. [2023-01-27 19:35:21,836 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 314.6MB. Free memory is still 258.8MB. There was no memory consumed. Max. memory is 16.0GB. [2023-01-27 19:35:21,836 INFO L158 Benchmark]: CACSL2BoogieTranslator took 668.86ms. Allocated memory is still 446.7MB. Free memory was 384.0MB in the beginning and 364.0MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2023-01-27 19:35:21,837 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.43ms. Allocated memory is still 446.7MB. Free memory was 364.0MB in the beginning and 361.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-01-27 19:35:21,837 INFO L158 Benchmark]: Boogie Preprocessor took 28.33ms. Allocated memory is still 446.7MB. Free memory was 361.9MB in the beginning and 360.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-01-27 19:35:21,837 INFO L158 Benchmark]: RCFGBuilder took 625.81ms. Allocated memory is still 446.7MB. Free memory was 360.2MB in the beginning and 342.6MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2023-01-27 19:35:21,837 INFO L158 Benchmark]: TraceAbstraction took 18862.33ms. Allocated memory was 446.7MB in the beginning and 748.7MB in the end (delta: 302.0MB). Free memory was 341.8MB in the beginning and 455.9MB in the end (delta: -114.1MB). Peak memory consumption was 190.0MB. Max. memory is 16.0GB. [2023-01-27 19:35:21,838 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 314.6MB. Free memory is still 258.8MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 668.86ms. Allocated memory is still 446.7MB. Free memory was 384.0MB in the beginning and 364.0MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 82.43ms. Allocated memory is still 446.7MB. Free memory was 364.0MB in the beginning and 361.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 28.33ms. Allocated memory is still 446.7MB. Free memory was 361.9MB in the beginning and 360.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 625.81ms. Allocated memory is still 446.7MB. Free memory was 360.2MB in the beginning and 342.6MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 18862.33ms. Allocated memory was 446.7MB in the beginning and 748.7MB in the end (delta: 302.0MB). Free memory was 341.8MB in the beginning and 455.9MB in the end (delta: -114.1MB). Peak memory consumption was 190.0MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.0s, 164 PlacesBefore, 47 PlacesAfterwards, 159 TransitionsBefore, 39 TransitionsAfterwards, 9270 CoEnabledTransitionPairs, 7 FixpointIterations, 38 TrivialSequentialCompositions, 91 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 19 ConcurrentYvCompositions, 3 ChoiceCompositions, 151 TotalNumberOfCompositions, 20940 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10029, independent: 9648, independent conditional: 0, independent unconditional: 9648, dependent: 381, dependent conditional: 0, dependent unconditional: 381, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5199, independent: 5132, independent conditional: 0, independent unconditional: 5132, dependent: 67, dependent conditional: 0, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10029, independent: 4516, independent conditional: 0, independent unconditional: 4516, dependent: 314, dependent conditional: 0, dependent unconditional: 314, unknown: 5199, unknown conditional: 0, unknown unconditional: 5199] , Statistics on independence cache: Total cache size (in pairs): 202, Positive cache size: 173, Positive conditional cache size: 0, Positive unconditional cache size: 173, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 233 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 18.7s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 791 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 791 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 77 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1893 IncrementalHoareTripleChecker+Invalid, 1970 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 77 mSolverCounterUnsat, 21 mSDtfsCounter, 1893 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=844occurred in iteration=7, InterpolantAutomatonStates: 74, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 675 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-01-27 19:35:21,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...