/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-match-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 18:55:12,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 18:55:12,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 18:55:12,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 18:55:12,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 18:55:12,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 18:55:12,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 18:55:12,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 18:55:12,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 18:55:12,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 18:55:12,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 18:55:12,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 18:55:12,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 18:55:12,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 18:55:12,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 18:55:12,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 18:55:12,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 18:55:12,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 18:55:12,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 18:55:12,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 18:55:12,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 18:55:12,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 18:55:12,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 18:55:12,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 18:55:12,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 18:55:12,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 18:55:12,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 18:55:12,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 18:55:12,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 18:55:12,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 18:55:12,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 18:55:12,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 18:55:12,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 18:55:12,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 18:55:12,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 18:55:12,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 18:55:12,179 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 18:55:12,179 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 18:55:12,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 18:55:12,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 18:55:12,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 18:55:12,181 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-12-05 18:55:12,203 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 18:55:12,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 18:55:12,204 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-05 18:55:12,205 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-05 18:55:12,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 18:55:12,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 18:55:12,205 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 18:55:12,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 18:55:12,206 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 18:55:12,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 18:55:12,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 18:55:12,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 18:55:12,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 18:55:12,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 18:55:12,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 18:55:12,207 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 18:55:12,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 18:55:12,207 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 18:55:12,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 18:55:12,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 18:55:12,207 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 18:55:12,207 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 18:55:12,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 18:55:12,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 18:55:12,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 18:55:12,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 18:55:12,208 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 18:55:12,208 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 18:55:12,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 18:55:12,209 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-05 18:55:12,209 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-05 18:55:12,209 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 18:55:12,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 18:55:12,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 18:55:12,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 18:55:12,507 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 18:55:12,509 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 18:55:12,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-match-trans.wvr.c [2022-12-05 18:55:13,543 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 18:55:13,720 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 18:55:13,721 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-trans.wvr.c [2022-12-05 18:55:13,732 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8453d1c2/98e374efb2684d04bbc179d1df7a2f0f/FLAGf9aea328e [2022-12-05 18:55:13,750 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8453d1c2/98e374efb2684d04bbc179d1df7a2f0f [2022-12-05 18:55:13,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 18:55:13,754 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 18:55:13,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 18:55:13,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 18:55:13,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 18:55:13,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 06:55:13" (1/1) ... [2022-12-05 18:55:13,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d8b0715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:55:13, skipping insertion in model container [2022-12-05 18:55:13,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 06:55:13" (1/1) ... [2022-12-05 18:55:13,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 18:55:13,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 18:55:13,934 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-trans.wvr.c[2954,2967] [2022-12-05 18:55:13,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 18:55:13,947 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 18:55:13,967 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-trans.wvr.c[2954,2967] [2022-12-05 18:55:13,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 18:55:13,980 INFO L208 MainTranslator]: Completed translation [2022-12-05 18:55:13,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:55:13 WrapperNode [2022-12-05 18:55:13,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 18:55:13,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 18:55:13,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 18:55:13,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 18:55:13,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:55:13" (1/1) ... [2022-12-05 18:55:14,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:55:13" (1/1) ... [2022-12-05 18:55:14,037 INFO L138 Inliner]: procedures = 23, calls = 33, calls flagged for inlining = 11, calls inlined = 21, statements flattened = 202 [2022-12-05 18:55:14,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 18:55:14,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 18:55:14,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 18:55:14,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 18:55:14,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:55:13" (1/1) ... [2022-12-05 18:55:14,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:55:13" (1/1) ... [2022-12-05 18:55:14,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:55:13" (1/1) ... [2022-12-05 18:55:14,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:55:13" (1/1) ... [2022-12-05 18:55:14,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:55:13" (1/1) ... [2022-12-05 18:55:14,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:55:13" (1/1) ... [2022-12-05 18:55:14,076 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:55:13" (1/1) ... [2022-12-05 18:55:14,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:55:13" (1/1) ... [2022-12-05 18:55:14,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 18:55:14,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 18:55:14,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 18:55:14,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 18:55:14,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:55:13" (1/1) ... [2022-12-05 18:55:14,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 18:55:14,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 18:55:14,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-05 18:55:14,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-05 18:55:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 18:55:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-05 18:55:14,160 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-05 18:55:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-05 18:55:14,161 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-05 18:55:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-05 18:55:14,161 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-05 18:55:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 18:55:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 18:55:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 18:55:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 18:55:14,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 18:55:14,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 18:55:14,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 18:55:14,163 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 18:55:14,257 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 18:55:14,258 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 18:55:14,643 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 18:55:14,655 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 18:55:14,655 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-05 18:55:14,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 06:55:14 BoogieIcfgContainer [2022-12-05 18:55:14,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 18:55:14,659 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 18:55:14,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 18:55:14,662 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 18:55:14,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 06:55:13" (1/3) ... [2022-12-05 18:55:14,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cd689b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 06:55:14, skipping insertion in model container [2022-12-05 18:55:14,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:55:13" (2/3) ... [2022-12-05 18:55:14,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cd689b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 06:55:14, skipping insertion in model container [2022-12-05 18:55:14,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 06:55:14" (3/3) ... [2022-12-05 18:55:14,664 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-match-trans.wvr.c [2022-12-05 18:55:14,680 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 18:55:14,680 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-05 18:55:14,680 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 18:55:14,812 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-05 18:55:14,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 237 places, 240 transitions, 504 flow [2022-12-05 18:55:14,993 INFO L130 PetriNetUnfolder]: 13/237 cut-off events. [2022-12-05 18:55:14,993 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-05 18:55:15,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 237 events. 13/237 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 335 event pairs, 0 based on Foata normal form. 0/223 useless extension candidates. Maximal degree in co-relation 164. Up to 2 conditions per place. [2022-12-05 18:55:15,002 INFO L82 GeneralOperation]: Start removeDead. Operand has 237 places, 240 transitions, 504 flow [2022-12-05 18:55:15,012 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 224 places, 227 transitions, 472 flow [2022-12-05 18:55:15,025 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 18:55:15,032 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;@3f00b0fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 18:55:15,032 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-05 18:55:15,102 INFO L130 PetriNetUnfolder]: 13/226 cut-off events. [2022-12-05 18:55:15,102 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-05 18:55:15,103 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:55:15,103 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 18:55:15,104 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 18:55:15,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:55:15,108 INFO L85 PathProgramCache]: Analyzing trace with hash 423217104, now seen corresponding path program 1 times [2022-12-05 18:55:15,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:55:15,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198927837] [2022-12-05 18:55:15,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:55:15,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:55:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:55:19,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:55:19,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:55:19,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198927837] [2022-12-05 18:55:19,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198927837] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:55:19,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:55:19,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2022-12-05 18:55:19,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577284412] [2022-12-05 18:55:19,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:55:19,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-12-05 18:55:19,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:55:19,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-12-05 18:55:19,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2022-12-05 18:55:19,495 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 240 [2022-12-05 18:55:19,504 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 227 transitions, 472 flow. Second operand has 43 states, 43 states have (on average 121.46511627906976) internal successors, (5223), 43 states have internal predecessors, (5223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:55:19,504 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:55:19,504 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 240 [2022-12-05 18:55:19,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:55:41,592 INFO L130 PetriNetUnfolder]: 37719/73852 cut-off events. [2022-12-05 18:55:41,592 INFO L131 PetriNetUnfolder]: For 5021/5021 co-relation queries the response was YES. [2022-12-05 18:55:41,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134907 conditions, 73852 events. 37719/73852 cut-off events. For 5021/5021 co-relation queries the response was YES. Maximal size of possible extension queue 1105. Compared 728797 event pairs, 704 based on Foata normal form. 8737/79211 useless extension candidates. Maximal degree in co-relation 134099. Up to 6165 conditions per place. [2022-12-05 18:55:42,098 INFO L137 encePairwiseOnDemand]: 169/240 looper letters, 1440 selfloop transitions, 37 changer transitions 67/1651 dead transitions. [2022-12-05 18:55:42,098 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 1651 transitions, 6723 flow [2022-12-05 18:55:42,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-12-05 18:55:42,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2022-12-05 18:55:42,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 8793 transitions. [2022-12-05 18:55:42,133 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6209745762711865 [2022-12-05 18:55:42,135 INFO L175 Difference]: Start difference. First operand has 224 places, 227 transitions, 472 flow. Second operand 59 states and 8793 transitions. [2022-12-05 18:55:42,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 1651 transitions, 6723 flow [2022-12-05 18:55:42,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 1651 transitions, 6501 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-05 18:55:42,478 INFO L231 Difference]: Finished difference. Result has 313 places, 230 transitions, 649 flow [2022-12-05 18:55:42,481 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=59, PETRI_FLOW=649, PETRI_PLACES=313, PETRI_TRANSITIONS=230} [2022-12-05 18:55:42,487 INFO L294 CegarLoopForPetriNet]: 224 programPoint places, 89 predicate places. [2022-12-05 18:55:42,487 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 230 transitions, 649 flow [2022-12-05 18:55:42,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 121.46511627906976) internal successors, (5223), 43 states have internal predecessors, (5223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:55:42,491 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:55:42,492 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 18:55:42,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 18:55:42,493 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 18:55:42,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:55:42,495 INFO L85 PathProgramCache]: Analyzing trace with hash 73713204, now seen corresponding path program 2 times [2022-12-05 18:55:42,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:55:42,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807885336] [2022-12-05 18:55:42,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:55:42,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:55:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:55:45,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:55:45,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:55:45,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807885336] [2022-12-05 18:55:45,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807885336] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:55:45,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:55:45,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2022-12-05 18:55:45,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050027124] [2022-12-05 18:55:45,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:55:45,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-12-05 18:55:45,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:55:45,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-12-05 18:55:45,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2022-12-05 18:55:45,311 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 240 [2022-12-05 18:55:45,316 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 230 transitions, 649 flow. Second operand has 43 states, 43 states have (on average 121.46511627906976) internal successors, (5223), 43 states have internal predecessors, (5223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:55:45,316 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:55:45,316 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 240 [2022-12-05 18:55:45,316 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:56:14,543 INFO L130 PetriNetUnfolder]: 71544/136680 cut-off events. [2022-12-05 18:56:14,543 INFO L131 PetriNetUnfolder]: For 58541/58541 co-relation queries the response was YES. [2022-12-05 18:56:15,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 325420 conditions, 136680 events. 71544/136680 cut-off events. For 58541/58541 co-relation queries the response was YES. Maximal size of possible extension queue 1974. Compared 1402371 event pairs, 17069 based on Foata normal form. 1/130906 useless extension candidates. Maximal degree in co-relation 325315. Up to 26762 conditions per place. [2022-12-05 18:56:16,323 INFO L137 encePairwiseOnDemand]: 182/240 looper letters, 2033 selfloop transitions, 141 changer transitions 31/2312 dead transitions. [2022-12-05 18:56:16,323 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 2312 transitions, 12435 flow [2022-12-05 18:56:16,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-12-05 18:56:16,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2022-12-05 18:56:16,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 11354 transitions. [2022-12-05 18:56:16,349 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.606517094017094 [2022-12-05 18:56:16,349 INFO L175 Difference]: Start difference. First operand has 313 places, 230 transitions, 649 flow. Second operand 78 states and 11354 transitions. [2022-12-05 18:56:16,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 2312 transitions, 12435 flow [2022-12-05 18:56:20,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 330 places, 2312 transitions, 10062 flow, removed 252 selfloop flow, removed 38 redundant places. [2022-12-05 18:56:20,389 INFO L231 Difference]: Finished difference. Result has 394 places, 359 transitions, 1749 flow [2022-12-05 18:56:20,389 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=572, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=78, PETRI_FLOW=1749, PETRI_PLACES=394, PETRI_TRANSITIONS=359} [2022-12-05 18:56:20,390 INFO L294 CegarLoopForPetriNet]: 224 programPoint places, 170 predicate places. [2022-12-05 18:56:20,390 INFO L495 AbstractCegarLoop]: Abstraction has has 394 places, 359 transitions, 1749 flow [2022-12-05 18:56:20,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 121.46511627906976) internal successors, (5223), 43 states have internal predecessors, (5223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:56:20,392 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:56:20,392 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 18:56:20,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 18:56:20,393 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 18:56:20,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:56:20,396 INFO L85 PathProgramCache]: Analyzing trace with hash -33855830, now seen corresponding path program 3 times [2022-12-05 18:56:20,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:56:20,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403003014] [2022-12-05 18:56:20,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:56:20,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:56:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:56:22,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:56:22,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:56:22,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403003014] [2022-12-05 18:56:22,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403003014] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:56:22,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:56:22,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2022-12-05 18:56:22,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398422944] [2022-12-05 18:56:22,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:56:22,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-12-05 18:56:22,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:56:22,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-12-05 18:56:22,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2022-12-05 18:56:22,548 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 240 [2022-12-05 18:56:22,552 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 359 transitions, 1749 flow. Second operand has 43 states, 43 states have (on average 121.46511627906976) internal successors, (5223), 43 states have internal predecessors, (5223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:56:22,552 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:56:22,552 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 240 [2022-12-05 18:56:22,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand