/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 07:08:35,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 07:08:35,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 07:08:35,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 07:08:35,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 07:08:35,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 07:08:35,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 07:08:35,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 07:08:35,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 07:08:35,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 07:08:35,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 07:08:35,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 07:08:35,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 07:08:35,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 07:08:35,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 07:08:35,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 07:08:35,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 07:08:35,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 07:08:35,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 07:08:35,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 07:08:35,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 07:08:35,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 07:08:35,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 07:08:35,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 07:08:35,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 07:08:35,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 07:08:35,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 07:08:35,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 07:08:35,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 07:08:35,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 07:08:35,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 07:08:35,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 07:08:35,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 07:08:35,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 07:08:35,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 07:08:35,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 07:08:35,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 07:08:35,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 07:08:35,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 07:08:35,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 07:08:35,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 07:08:35,212 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2022-12-06 07:08:35,236 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 07:08:35,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 07:08:35,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 07:08:35,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 07:08:35,238 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 07:08:35,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 07:08:35,239 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 07:08:35,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 07:08:35,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 07:08:35,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 07:08:35,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 07:08:35,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 07:08:35,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 07:08:35,240 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 07:08:35,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 07:08:35,240 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 07:08:35,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 07:08:35,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 07:08:35,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 07:08:35,241 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 07:08:35,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 07:08:35,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 07:08:35,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 07:08:35,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 07:08:35,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 07:08:35,241 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 07:08:35,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 07:08:35,242 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 07:08:35,242 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 07:08:35,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 07:08:35,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 07:08:35,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 07:08:35,528 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 07:08:35,528 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 07:08:35,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i [2022-12-06 07:08:36,522 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 07:08:36,758 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 07:08:36,758 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i [2022-12-06 07:08:36,766 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b71800ed7/8f5db326451740c8ae668d4aa2b1e9c8/FLAGfebd3ea21 [2022-12-06 07:08:36,778 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b71800ed7/8f5db326451740c8ae668d4aa2b1e9c8 [2022-12-06 07:08:36,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 07:08:36,781 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 07:08:36,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 07:08:36,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 07:08:36,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 07:08:36,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:08:36" (1/1) ... [2022-12-06 07:08:36,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37440f08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:36, skipping insertion in model container [2022-12-06 07:08:36,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:08:36" (1/1) ... [2022-12-06 07:08:36,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 07:08:36,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 07:08:36,912 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i[1088,1101] [2022-12-06 07:08:37,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 07:08:37,057 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 07:08:37,067 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i[1088,1101] [2022-12-06 07:08:37,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 07:08:37,122 INFO L208 MainTranslator]: Completed translation [2022-12-06 07:08:37,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:37 WrapperNode [2022-12-06 07:08:37,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 07:08:37,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 07:08:37,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 07:08:37,125 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 07:08:37,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:37" (1/1) ... [2022-12-06 07:08:37,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:37" (1/1) ... [2022-12-06 07:08:37,175 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-12-06 07:08:37,175 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 07:08:37,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 07:08:37,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 07:08:37,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 07:08:37,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:37" (1/1) ... [2022-12-06 07:08:37,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:37" (1/1) ... [2022-12-06 07:08:37,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:37" (1/1) ... [2022-12-06 07:08:37,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:37" (1/1) ... [2022-12-06 07:08:37,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:37" (1/1) ... [2022-12-06 07:08:37,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:37" (1/1) ... [2022-12-06 07:08:37,208 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:37" (1/1) ... [2022-12-06 07:08:37,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:37" (1/1) ... [2022-12-06 07:08:37,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 07:08:37,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 07:08:37,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 07:08:37,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 07:08:37,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:37" (1/1) ... [2022-12-06 07:08:37,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 07:08:37,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 07:08:37,244 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) [2022-12-06 07:08:37,266 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 [2022-12-06 07:08:37,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 07:08:37,307 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 07:08:37,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 07:08:37,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 07:08:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-06 07:08:37,309 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-06 07:08:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 07:08:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 07:08:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 07:08:37,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 07:08:37,310 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 07:08:37,458 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 07:08:37,459 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 07:08:37,550 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 07:08:37,555 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 07:08:37,555 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 07:08:37,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:08:37 BoogieIcfgContainer [2022-12-06 07:08:37,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 07:08:37,557 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 07:08:37,557 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 07:08:37,559 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 07:08:37,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:08:36" (1/3) ... [2022-12-06 07:08:37,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@237b8acd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:08:37, skipping insertion in model container [2022-12-06 07:08:37,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:37" (2/3) ... [2022-12-06 07:08:37,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@237b8acd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:08:37, skipping insertion in model container [2022-12-06 07:08:37,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:08:37" (3/3) ... [2022-12-06 07:08:37,561 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_40-traces-ex-6_true.i [2022-12-06 07:08:37,574 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 07:08:37,574 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 07:08:37,574 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 07:08:37,600 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 07:08:37,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 61 transitions, 127 flow [2022-12-06 07:08:37,651 INFO L130 PetriNetUnfolder]: 1/60 cut-off events. [2022-12-06 07:08:37,651 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 07:08:37,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 60 events. 1/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 33 event pairs, 0 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 31. Up to 2 conditions per place. [2022-12-06 07:08:37,654 INFO L82 GeneralOperation]: Start removeDead. Operand has 64 places, 61 transitions, 127 flow [2022-12-06 07:08:37,656 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 56 places, 52 transitions, 107 flow [2022-12-06 07:08:37,657 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:08:37,669 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 52 transitions, 107 flow [2022-12-06 07:08:37,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 52 transitions, 107 flow [2022-12-06 07:08:37,683 INFO L130 PetriNetUnfolder]: 0/52 cut-off events. [2022-12-06 07:08:37,684 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 07:08:37,684 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 52 events. 0/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 22 event pairs, 0 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-06 07:08:37,685 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 52 transitions, 107 flow [2022-12-06 07:08:37,685 INFO L188 LiptonReduction]: Number of co-enabled transitions 264 [2022-12-06 07:08:40,189 INFO L203 LiptonReduction]: Total number of compositions: 43 [2022-12-06 07:08:40,216 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 07:08:40,221 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=REPEATED_LIPTON_PN, 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;@75148934, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 07:08:40,221 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-06 07:08:40,224 INFO L130 PetriNetUnfolder]: 0/11 cut-off events. [2022-12-06 07:08:40,224 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 07:08:40,224 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:08:40,225 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-06 07:08:40,225 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 07:08:40,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:08:40,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1879468964, now seen corresponding path program 1 times [2022-12-06 07:08:40,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:08:40,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674435477] [2022-12-06 07:08:40,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:08:40,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:08:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:08:40,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 07:08:40,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:08:40,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674435477] [2022-12-06 07:08:40,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674435477] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 07:08:40,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 07:08:40,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 07:08:40,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689379593] [2022-12-06 07:08:40,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 07:08:40,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 07:08:40,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 07:08:40,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 07:08:40,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 07:08:40,459 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 12 [2022-12-06 07:08:40,460 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 16 places, 12 transitions, 27 flow. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 07:08:40,460 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 07:08:40,461 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 12 [2022-12-06 07:08:40,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 07:08:40,484 INFO L130 PetriNetUnfolder]: 12/40 cut-off events. [2022-12-06 07:08:40,484 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 07:08:40,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 40 events. 12/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 97 event pairs, 9 based on Foata normal form. 4/40 useless extension candidates. Maximal degree in co-relation 71. Up to 27 conditions per place. [2022-12-06 07:08:40,485 INFO L137 encePairwiseOnDemand]: 8/12 looper letters, 9 selfloop transitions, 3 changer transitions 2/15 dead transitions. [2022-12-06 07:08:40,485 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 15 transitions, 59 flow [2022-12-06 07:08:40,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 07:08:40,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 07:08:40,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 20 transitions. [2022-12-06 07:08:40,493 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2022-12-06 07:08:40,494 INFO L175 Difference]: Start difference. First operand has 16 places, 12 transitions, 27 flow. Second operand 3 states and 20 transitions. [2022-12-06 07:08:40,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 15 transitions, 59 flow [2022-12-06 07:08:40,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 15 transitions, 58 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 07:08:40,497 INFO L231 Difference]: Finished difference. Result has 18 places, 10 transitions, 33 flow [2022-12-06 07:08:40,498 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=12, PETRI_DIFFERENCE_MINUEND_FLOW=26, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=33, PETRI_PLACES=18, PETRI_TRANSITIONS=10} [2022-12-06 07:08:40,501 INFO L294 CegarLoopForPetriNet]: 16 programPoint places, 2 predicate places. [2022-12-06 07:08:40,501 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 07:08:40,501 INFO L89 Accepts]: Start accepts. Operand has 18 places, 10 transitions, 33 flow [2022-12-06 07:08:40,503 INFO L95 Accepts]: Finished accepts. [2022-12-06 07:08:40,503 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:08:40,503 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 18 places, 10 transitions, 33 flow [2022-12-06 07:08:40,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 16 places, 10 transitions, 33 flow [2022-12-06 07:08:40,507 INFO L130 PetriNetUnfolder]: 0/11 cut-off events. [2022-12-06 07:08:40,508 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 07:08:40,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22 conditions, 11 events. 0/11 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 7 event pairs, 0 based on Foata normal form. 0/11 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-06 07:08:40,508 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 16 places, 10 transitions, 33 flow [2022-12-06 07:08:40,508 INFO L188 LiptonReduction]: Number of co-enabled transitions 26 [2022-12-06 07:08:40,525 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 07:08:40,526 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 25 [2022-12-06 07:08:40,526 INFO L495 AbstractCegarLoop]: Abstraction has has 16 places, 10 transitions, 33 flow [2022-12-06 07:08:40,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 07:08:40,527 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:08:40,527 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 07:08:40,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 07:08:40,527 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 07:08:40,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:08:40,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1994262987, now seen corresponding path program 1 times [2022-12-06 07:08:40,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:08:40,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022323861] [2022-12-06 07:08:40,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:08:40,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:08:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:08:40,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 07:08:40,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:08:40,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022323861] [2022-12-06 07:08:40,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022323861] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 07:08:40,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 07:08:40,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 07:08:40,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324753968] [2022-12-06 07:08:40,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 07:08:40,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 07:08:40,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 07:08:40,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 07:08:40,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 07:08:40,588 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 10 [2022-12-06 07:08:40,588 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 16 places, 10 transitions, 33 flow. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 07:08:40,588 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 07:08:40,589 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 10 [2022-12-06 07:08:40,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 07:08:40,607 INFO L130 PetriNetUnfolder]: 5/27 cut-off events. [2022-12-06 07:08:40,607 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-12-06 07:08:40,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 27 events. 5/27 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 46 event pairs, 2 based on Foata normal form. 4/31 useless extension candidates. Maximal degree in co-relation 61. Up to 17 conditions per place. [2022-12-06 07:08:40,608 INFO L137 encePairwiseOnDemand]: 5/10 looper letters, 7 selfloop transitions, 4 changer transitions 3/14 dead transitions. [2022-12-06 07:08:40,608 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 14 transitions, 74 flow [2022-12-06 07:08:40,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 07:08:40,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 07:08:40,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2022-12-06 07:08:40,609 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5333333333333333 [2022-12-06 07:08:40,609 INFO L175 Difference]: Start difference. First operand has 16 places, 10 transitions, 33 flow. Second operand 3 states and 16 transitions. [2022-12-06 07:08:40,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 14 transitions, 74 flow [2022-12-06 07:08:40,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 16 places, 14 transitions, 66 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 07:08:40,609 INFO L231 Difference]: Finished difference. Result has 17 places, 10 transitions, 41 flow [2022-12-06 07:08:40,610 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=10, PETRI_DIFFERENCE_MINUEND_FLOW=27, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=6, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=41, PETRI_PLACES=17, PETRI_TRANSITIONS=10} [2022-12-06 07:08:40,610 INFO L294 CegarLoopForPetriNet]: 16 programPoint places, 1 predicate places. [2022-12-06 07:08:40,610 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 07:08:40,610 INFO L89 Accepts]: Start accepts. Operand has 17 places, 10 transitions, 41 flow [2022-12-06 07:08:40,611 INFO L95 Accepts]: Finished accepts. [2022-12-06 07:08:40,611 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:08:40,611 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 17 places, 10 transitions, 41 flow [2022-12-06 07:08:40,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 17 places, 10 transitions, 41 flow [2022-12-06 07:08:40,614 INFO L130 PetriNetUnfolder]: 2/21 cut-off events. [2022-12-06 07:08:40,614 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-06 07:08:40,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 21 events. 2/21 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 28 event pairs, 2 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 40. Up to 9 conditions per place. [2022-12-06 07:08:40,615 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 17 places, 10 transitions, 41 flow [2022-12-06 07:08:40,615 INFO L188 LiptonReduction]: Number of co-enabled transitions 2 [2022-12-06 07:08:40,637 ERROR L799 SequenceRule]: Run adaptation not supported for post-scripts [2022-12-06 07:08:40,735 INFO L203 LiptonReduction]: Total number of compositions: 4 [2022-12-06 07:08:40,736 ERROR L123 eatedLiptonReduction]: Lipton reduction run adaptation of counterexample failed. [2022-12-06 07:08:40,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 07:08:40,737 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word contains letters no longer in the reduced abstraction's alphabet! at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.applyLargeBlockEncoding(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:125) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.refineAbstraction(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:487) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-06 07:08:40,742 INFO L158 Benchmark]: Toolchain (without parser) took 3959.82ms. Allocated memory was 179.3MB in the beginning and 216.0MB in the end (delta: 36.7MB). Free memory was 153.6MB in the beginning and 124.3MB in the end (delta: 29.3MB). Peak memory consumption was 66.5MB. Max. memory is 8.0GB. [2022-12-06 07:08:40,743 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 127.9MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 07:08:40,743 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.41ms. Allocated memory is still 179.3MB. Free memory was 153.2MB in the beginning and 134.0MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-06 07:08:40,743 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.11ms. Allocated memory is still 179.3MB. Free memory was 134.0MB in the beginning and 132.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 07:08:40,743 INFO L158 Benchmark]: Boogie Preprocessor took 33.74ms. Allocated memory is still 179.3MB. Free memory was 132.0MB in the beginning and 130.6MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 07:08:40,744 INFO L158 Benchmark]: RCFGBuilder took 345.20ms. Allocated memory is still 179.3MB. Free memory was 130.6MB in the beginning and 147.0MB in the end (delta: -16.4MB). Peak memory consumption was 5.0MB. Max. memory is 8.0GB. [2022-12-06 07:08:40,744 INFO L158 Benchmark]: TraceAbstraction took 3182.70ms. Allocated memory was 179.3MB in the beginning and 216.0MB in the end (delta: 36.7MB). Free memory was 145.9MB in the beginning and 124.3MB in the end (delta: 21.6MB). Peak memory consumption was 58.3MB. Max. memory is 8.0GB. [2022-12-06 07:08:40,745 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 127.9MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 342.41ms. Allocated memory is still 179.3MB. Free memory was 153.2MB in the beginning and 134.0MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.11ms. Allocated memory is still 179.3MB. Free memory was 134.0MB in the beginning and 132.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.74ms. Allocated memory is still 179.3MB. Free memory was 132.0MB in the beginning and 130.6MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 345.20ms. Allocated memory is still 179.3MB. Free memory was 130.6MB in the beginning and 147.0MB in the end (delta: -16.4MB). Peak memory consumption was 5.0MB. Max. memory is 8.0GB. * TraceAbstraction took 3182.70ms. Allocated memory was 179.3MB in the beginning and 216.0MB in the end (delta: 36.7MB). Free memory was 145.9MB in the beginning and 124.3MB in the end (delta: 21.6MB). Peak memory consumption was 58.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.5s, 56 PlacesBefore, 16 PlacesAfterwards, 52 TransitionsBefore, 12 TransitionsAfterwards, 264 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 27 TrivialYvCompositions, 15 ConcurrentYvCompositions, 0 ChoiceCompositions, 43 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 238, independent: 195, independent conditional: 195, independent unconditional: 0, dependent: 43, dependent conditional: 43, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 238, independent: 195, independent conditional: 0, independent unconditional: 195, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 238, independent: 195, independent conditional: 0, independent unconditional: 195, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 238, independent: 195, independent conditional: 0, independent unconditional: 195, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 186, independent: 161, independent conditional: 0, independent unconditional: 161, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 186, independent: 148, independent conditional: 0, independent unconditional: 148, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 38, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 102, independent: 48, independent conditional: 0, independent unconditional: 48, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 238, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 186, unknown conditional: 0, unknown unconditional: 186] , Statistics on independence cache: Total cache size (in pairs): 278, Positive cache size: 253, Positive conditional cache size: 0, Positive unconditional cache size: 253, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 16 PlacesBefore, 16 PlacesAfterwards, 10 TransitionsBefore, 10 TransitionsAfterwards, 26 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, independent: 12, independent conditional: 12, independent unconditional: 0, dependent: 11, dependent conditional: 11, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 23, independent: 12, independent conditional: 7, independent unconditional: 5, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 15, unknown conditional: 0, unknown unconditional: 15] , Statistics on independence cache: Total cache size (in pairs): 15, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 17 PlacesBefore, 12 PlacesAfterwards, 10 TransitionsBefore, 6 TransitionsAfterwards, 2 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 19, Positive cache size: 11, Positive conditional cache size: 1, Positive unconditional cache size: 10, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - ExceptionOrErrorResult: AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word contains letters no longer in the reduced abstraction's alphabet! de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word contains letters no longer in the reduced abstraction's alphabet!: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.applyLargeBlockEncoding(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:125) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-06 07:08:40,778 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...