/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-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-13 01:14:45,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 01:14:45,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 01:14:45,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 01:14:45,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 01:14:45,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 01:14:45,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 01:14:45,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 01:14:45,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 01:14:45,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 01:14:45,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 01:14:45,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 01:14:45,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 01:14:45,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 01:14:45,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 01:14:45,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 01:14:45,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 01:14:45,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 01:14:45,993 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 01:14:45,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 01:14:45,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 01:14:45,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 01:14:45,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 01:14:45,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 01:14:46,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-12-13 01:14:46,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 01:14:46,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 01:14:46,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 01:14:46,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 01:14:46,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 01:14:46,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 01:14:46,010 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 01:14:46,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 01:14:46,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 01:14:46,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 01:14:46,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 01:14:46,013 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-RepeatedSemanticLbe.epf [2022-12-13 01:14:46,038 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 01:14:46,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 01:14:46,040 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 01:14:46,040 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 01:14:46,040 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 01:14:46,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 01:14:46,040 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 01:14:46,041 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 01:14:46,041 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 01:14:46,041 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 01:14:46,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 01:14:46,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 01:14:46,042 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 01:14:46,042 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 01:14:46,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 01:14:46,042 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 01:14:46,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 01:14:46,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 01:14:46,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 01:14:46,042 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 01:14:46,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 01:14:46,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 01:14:46,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 01:14:46,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 01:14:46,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 01:14:46,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 01:14:46,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 01:14:46,043 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-13 01:14:46,043 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-13 01:14:46,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 01:14:46,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 01:14:46,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 01:14:46,320 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 01:14:46,329 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 01:14:46,330 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i [2022-12-13 01:14:47,278 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 01:14:47,541 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 01:14:47,542 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i [2022-12-13 01:14:47,563 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67f37de88/4a9bc9bc30fc42c9a8fa3eb764b0e8c3/FLAGd8957213d [2022-12-13 01:14:47,578 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67f37de88/4a9bc9bc30fc42c9a8fa3eb764b0e8c3 [2022-12-13 01:14:47,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 01:14:47,581 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-13 01:14:47,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 01:14:47,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 01:14:47,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 01:14:47,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:14:47" (1/1) ... [2022-12-13 01:14:47,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@623ed205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:47, skipping insertion in model container [2022-12-13 01:14:47,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:14:47" (1/1) ... [2022-12-13 01:14:47,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 01:14:47,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 01:14:47,747 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_20-publish-regression_true.i[1095,1108] [2022-12-13 01:14:47,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 01:14:47,881 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 01:14:47,890 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_20-publish-regression_true.i[1095,1108] [2022-12-13 01:14:47,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 01:14:47,959 INFO L208 MainTranslator]: Completed translation [2022-12-13 01:14:47,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:47 WrapperNode [2022-12-13 01:14:47,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 01:14:47,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 01:14:47,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 01:14:47,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 01:14:47,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:47" (1/1) ... [2022-12-13 01:14:47,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:47" (1/1) ... [2022-12-13 01:14:48,009 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2022-12-13 01:14:48,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 01:14:48,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 01:14:48,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 01:14:48,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 01:14:48,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:47" (1/1) ... [2022-12-13 01:14:48,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:47" (1/1) ... [2022-12-13 01:14:48,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:47" (1/1) ... [2022-12-13 01:14:48,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:47" (1/1) ... [2022-12-13 01:14:48,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:47" (1/1) ... [2022-12-13 01:14:48,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:47" (1/1) ... [2022-12-13 01:14:48,040 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:47" (1/1) ... [2022-12-13 01:14:48,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:47" (1/1) ... [2022-12-13 01:14:48,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 01:14:48,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 01:14:48,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 01:14:48,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 01:14:48,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:47" (1/1) ... [2022-12-13 01:14:48,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 01:14:48,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-13 01:14:48,076 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) [2022-12-13 01:14:48,082 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 [2022-12-13 01:14:48,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 01:14:48,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 01:14:48,119 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 01:14:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 01:14:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 01:14:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 01:14:48,120 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 01:14:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 01:14:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 01:14:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 01:14:48,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 01:14:48,122 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-13 01:14:48,226 INFO L236 CfgBuilder]: Building ICFG [2022-12-13 01:14:48,227 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 01:14:48,382 INFO L277 CfgBuilder]: Performing block encoding [2022-12-13 01:14:48,387 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 01:14:48,387 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 01:14:48,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:14:48 BoogieIcfgContainer [2022-12-13 01:14:48,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 01:14:48,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 01:14:48,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 01:14:48,392 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 01:14:48,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:14:47" (1/3) ... [2022-12-13 01:14:48,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cb4074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:14:48, skipping insertion in model container [2022-12-13 01:14:48,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:14:47" (2/3) ... [2022-12-13 01:14:48,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cb4074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:14:48, skipping insertion in model container [2022-12-13 01:14:48,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:14:48" (3/3) ... [2022-12-13 01:14:48,394 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_20-publish-regression_true.i [2022-12-13 01:14:48,407 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 01:14:48,407 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-13 01:14:48,407 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 01:14:48,446 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-13 01:14:48,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 81 transitions, 170 flow [2022-12-13 01:14:48,521 INFO L130 PetriNetUnfolder]: 3/80 cut-off events. [2022-12-13 01:14:48,521 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 01:14:48,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 80 events. 3/80 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 36. Up to 2 conditions per place. [2022-12-13 01:14:48,525 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 81 transitions, 170 flow [2022-12-13 01:14:48,527 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 74 places, 73 transitions, 149 flow [2022-12-13 01:14:48,529 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 01:14:48,540 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 73 transitions, 149 flow [2022-12-13 01:14:48,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 74 places, 73 transitions, 149 flow [2022-12-13 01:14:48,565 INFO L130 PetriNetUnfolder]: 3/73 cut-off events. [2022-12-13 01:14:48,566 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 01:14:48,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 73 events. 3/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 36. Up to 2 conditions per place. [2022-12-13 01:14:48,570 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 73 transitions, 149 flow [2022-12-13 01:14:48,570 INFO L226 LiptonReduction]: Number of co-enabled transitions 616 [2022-12-13 01:14:51,457 INFO L241 LiptonReduction]: Total number of compositions: 64 [2022-12-13 01:14:51,476 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 01:14:51,482 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;@1a64b199, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 01:14:51,482 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-13 01:14:51,483 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 01:14:51,483 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 01:14:51,483 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 01:14:51,484 INFO L214 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 01:14:51,485 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-13 01:14:51,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 01:14:51,489 INFO L85 PathProgramCache]: Analyzing trace with hash 325, now seen corresponding path program 1 times [2022-12-13 01:14:51,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 01:14:51,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923633644] [2022-12-13 01:14:51,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 01:14:51,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 01:14:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 01:14:51,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 01:14:51,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 01:14:51,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923633644] [2022-12-13 01:14:51,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923633644] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 01:14:51,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 01:14:51,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 01:14:51,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944138812] [2022-12-13 01:14:51,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 01:14:51,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 01:14:51,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 01:14:51,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 01:14:51,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 01:14:51,592 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 39 [2022-12-13 01:14:51,593 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 39 transitions, 81 flow. Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 01:14:51,593 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 01:14:51,593 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 39 [2022-12-13 01:14:51,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 01:14:51,671 INFO L130 PetriNetUnfolder]: 117/315 cut-off events. [2022-12-13 01:14:51,671 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 01:14:51,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 578 conditions, 315 events. 117/315 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 1621 event pairs, 117 based on Foata normal form. 0/150 useless extension candidates. Maximal degree in co-relation 569. Up to 259 conditions per place. [2022-12-13 01:14:51,673 INFO L137 encePairwiseOnDemand]: 34/39 looper letters, 24 selfloop transitions, 0 changer transitions 0/34 dead transitions. [2022-12-13 01:14:51,673 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 34 transitions, 119 flow [2022-12-13 01:14:51,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 01:14:51,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 01:14:51,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 49 transitions. [2022-12-13 01:14:51,681 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6282051282051282 [2022-12-13 01:14:51,682 INFO L175 Difference]: Start difference. First operand has 42 places, 39 transitions, 81 flow. Second operand 2 states and 49 transitions. [2022-12-13 01:14:51,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 34 transitions, 119 flow [2022-12-13 01:14:51,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 34 transitions, 118 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 01:14:51,685 INFO L231 Difference]: Finished difference. Result has 38 places, 34 transitions, 70 flow [2022-12-13 01:14:51,687 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=70, PETRI_PLACES=38, PETRI_TRANSITIONS=34} [2022-12-13 01:14:51,689 INFO L295 CegarLoopForPetriNet]: 42 programPoint places, -4 predicate places. [2022-12-13 01:14:51,689 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 01:14:51,689 INFO L89 Accepts]: Start accepts. Operand has 38 places, 34 transitions, 70 flow [2022-12-13 01:14:51,691 INFO L95 Accepts]: Finished accepts. [2022-12-13 01:14:51,691 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 01:14:51,691 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 34 transitions, 70 flow [2022-12-13 01:14:51,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 37 places, 34 transitions, 70 flow [2022-12-13 01:14:51,695 INFO L130 PetriNetUnfolder]: 0/34 cut-off events. [2022-12-13 01:14:51,696 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 01:14:51,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 34 events. 0/34 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 89 event pairs, 0 based on Foata normal form. 0/13 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-13 01:14:51,697 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 34 transitions, 70 flow [2022-12-13 01:14:51,697 INFO L226 LiptonReduction]: Number of co-enabled transitions 480 [2022-12-13 01:14:51,754 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 01:14:51,755 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 66 [2022-12-13 01:14:51,755 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 34 transitions, 70 flow [2022-12-13 01:14:51,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 01:14:51,756 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 01:14:51,756 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 01:14:51,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 01:14:51,756 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-13 01:14:51,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 01:14:51,756 INFO L85 PathProgramCache]: Analyzing trace with hash 9971249, now seen corresponding path program 1 times [2022-12-13 01:14:51,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 01:14:51,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176862516] [2022-12-13 01:14:51,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 01:14:51,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 01:14:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 01:14:51,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 01:14:51,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 01:14:51,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176862516] [2022-12-13 01:14:51,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176862516] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 01:14:51,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 01:14:51,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 01:14:51,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942688323] [2022-12-13 01:14:51,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 01:14:51,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 01:14:51,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 01:14:51,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 01:14:51,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 01:14:51,868 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 34 [2022-12-13 01:14:51,868 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 34 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 01:14:51,869 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 01:14:51,869 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 34 [2022-12-13 01:14:51,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 01:14:51,930 INFO L130 PetriNetUnfolder]: 132/363 cut-off events. [2022-12-13 01:14:51,930 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 01:14:51,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 673 conditions, 363 events. 132/363 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 2103 event pairs, 62 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 665. Up to 159 conditions per place. [2022-12-13 01:14:51,932 INFO L137 encePairwiseOnDemand]: 27/34 looper letters, 30 selfloop transitions, 4 changer transitions 8/49 dead transitions. [2022-12-13 01:14:51,932 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 49 transitions, 182 flow [2022-12-13 01:14:51,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 01:14:51,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 01:14:51,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 68 transitions. [2022-12-13 01:14:51,933 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2022-12-13 01:14:51,933 INFO L175 Difference]: Start difference. First operand has 37 places, 34 transitions, 70 flow. Second operand 3 states and 68 transitions. [2022-12-13 01:14:51,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 49 transitions, 182 flow [2022-12-13 01:14:51,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 49 transitions, 182 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 01:14:51,935 INFO L231 Difference]: Finished difference. Result has 41 places, 33 transitions, 92 flow [2022-12-13 01:14:51,935 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=41, PETRI_TRANSITIONS=33} [2022-12-13 01:14:51,936 INFO L295 CegarLoopForPetriNet]: 42 programPoint places, -1 predicate places. [2022-12-13 01:14:51,936 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 01:14:51,936 INFO L89 Accepts]: Start accepts. Operand has 41 places, 33 transitions, 92 flow [2022-12-13 01:14:51,936 INFO L95 Accepts]: Finished accepts. [2022-12-13 01:14:51,936 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 01:14:51,936 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 33 transitions, 92 flow [2022-12-13 01:14:51,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 33 transitions, 92 flow [2022-12-13 01:14:51,941 INFO L130 PetriNetUnfolder]: 3/66 cut-off events. [2022-12-13 01:14:51,941 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-13 01:14:51,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 66 events. 3/66 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 275 event pairs, 3 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 90. Up to 11 conditions per place. [2022-12-13 01:14:51,942 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 33 transitions, 92 flow [2022-12-13 01:14:51,942 INFO L226 LiptonReduction]: Number of co-enabled transitions 386 [2022-12-13 01:14:51,978 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 01:14:51,980 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 44 [2022-12-13 01:14:51,980 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 33 transitions, 92 flow [2022-12-13 01:14:51,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 01:14:51,980 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 01:14:51,980 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 01:14:51,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 01:14:51,980 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-13 01:14:51,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 01:14:51,981 INFO L85 PathProgramCache]: Analyzing trace with hash 700048581, now seen corresponding path program 1 times [2022-12-13 01:14:51,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 01:14:51,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508933137] [2022-12-13 01:14:51,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 01:14:51,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 01:14:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 01:14:52,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 01:14:52,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 01:14:52,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508933137] [2022-12-13 01:14:52,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508933137] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 01:14:52,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 01:14:52,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 01:14:52,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051525456] [2022-12-13 01:14:52,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 01:14:52,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 01:14:52,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 01:14:52,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 01:14:52,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 01:14:52,058 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 32 [2022-12-13 01:14:52,058 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 33 transitions, 92 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 01:14:52,058 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 01:14:52,058 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 32 [2022-12-13 01:14:52,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 01:14:52,130 INFO L130 PetriNetUnfolder]: 135/369 cut-off events. [2022-12-13 01:14:52,130 INFO L131 PetriNetUnfolder]: For 39/39 co-relation queries the response was YES. [2022-12-13 01:14:52,131 INFO L83 FinitePrefix]: Finished finitePrefix Result has 810 conditions, 369 events. 135/369 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2211 event pairs, 38 based on Foata normal form. 5/183 useless extension candidates. Maximal degree in co-relation 798. Up to 181 conditions per place. [2022-12-13 01:14:52,132 INFO L137 encePairwiseOnDemand]: 22/32 looper letters, 31 selfloop transitions, 7 changer transitions 11/52 dead transitions. [2022-12-13 01:14:52,132 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 52 transitions, 236 flow [2022-12-13 01:14:52,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 01:14:52,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 01:14:52,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 60 transitions. [2022-12-13 01:14:52,133 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.625 [2022-12-13 01:14:52,134 INFO L175 Difference]: Start difference. First operand has 39 places, 33 transitions, 92 flow. Second operand 3 states and 60 transitions. [2022-12-13 01:14:52,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 52 transitions, 236 flow [2022-12-13 01:14:52,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 52 transitions, 226 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 01:14:52,136 INFO L231 Difference]: Finished difference. Result has 40 places, 32 transitions, 109 flow [2022-12-13 01:14:52,136 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=109, PETRI_PLACES=40, PETRI_TRANSITIONS=32} [2022-12-13 01:14:52,136 INFO L295 CegarLoopForPetriNet]: 42 programPoint places, -2 predicate places. [2022-12-13 01:14:52,136 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 01:14:52,136 INFO L89 Accepts]: Start accepts. Operand has 40 places, 32 transitions, 109 flow [2022-12-13 01:14:52,137 INFO L95 Accepts]: Finished accepts. [2022-12-13 01:14:52,137 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 01:14:52,137 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 32 transitions, 109 flow [2022-12-13 01:14:52,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 32 transitions, 109 flow [2022-12-13 01:14:52,142 INFO L130 PetriNetUnfolder]: 4/89 cut-off events. [2022-12-13 01:14:52,142 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 01:14:52,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 166 conditions, 89 events. 4/89 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 459 event pairs, 4 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 157. Up to 28 conditions per place. [2022-12-13 01:14:52,143 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 32 transitions, 109 flow [2022-12-13 01:14:52,143 INFO L226 LiptonReduction]: Number of co-enabled transitions 244 [2022-12-13 01:14:52,442 INFO L241 LiptonReduction]: Total number of compositions: 6 [2022-12-13 01:14:52,442 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 306 [2022-12-13 01:14:52,443 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 28 transitions, 108 flow [2022-12-13 01:14:52,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 01:14:52,443 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 01:14:52,443 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 01:14:52,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 01:14:52,443 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-13 01:14:52,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 01:14:52,444 INFO L85 PathProgramCache]: Analyzing trace with hash 9973906, now seen corresponding path program 1 times [2022-12-13 01:14:52,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 01:14:52,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676269288] [2022-12-13 01:14:52,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 01:14:52,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 01:14:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 01:14:52,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 01:14:52,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 01:14:52,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676269288] [2022-12-13 01:14:52,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676269288] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 01:14:52,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 01:14:52,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 01:14:52,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615945428] [2022-12-13 01:14:52,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 01:14:52,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 01:14:52,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 01:14:52,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 01:14:52,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 01:14:52,535 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 28 [2022-12-13 01:14:52,535 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 28 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 01:14:52,535 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 01:14:52,535 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 28 [2022-12-13 01:14:52,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 01:14:52,575 INFO L130 PetriNetUnfolder]: 61/179 cut-off events. [2022-12-13 01:14:52,575 INFO L131 PetriNetUnfolder]: For 71/71 co-relation queries the response was YES. [2022-12-13 01:14:52,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 494 conditions, 179 events. 61/179 cut-off events. For 71/71 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 1021 event pairs, 50 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 482. Up to 107 conditions per place. [2022-12-13 01:14:52,576 INFO L137 encePairwiseOnDemand]: 23/28 looper letters, 11 selfloop transitions, 2 changer transitions 17/31 dead transitions. [2022-12-13 01:14:52,576 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 31 transitions, 171 flow [2022-12-13 01:14:52,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 01:14:52,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 01:14:52,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 40 transitions. [2022-12-13 01:14:52,579 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.47619047619047616 [2022-12-13 01:14:52,579 INFO L175 Difference]: Start difference. First operand has 35 places, 28 transitions, 108 flow. Second operand 3 states and 40 transitions. [2022-12-13 01:14:52,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 31 transitions, 171 flow [2022-12-13 01:14:52,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 31 transitions, 158 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-13 01:14:52,580 INFO L231 Difference]: Finished difference. Result has 34 places, 14 transitions, 54 flow [2022-12-13 01:14:52,580 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=54, PETRI_PLACES=34, PETRI_TRANSITIONS=14} [2022-12-13 01:14:52,581 INFO L295 CegarLoopForPetriNet]: 42 programPoint places, -8 predicate places. [2022-12-13 01:14:52,581 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 01:14:52,581 INFO L89 Accepts]: Start accepts. Operand has 34 places, 14 transitions, 54 flow [2022-12-13 01:14:52,581 INFO L95 Accepts]: Finished accepts. [2022-12-13 01:14:52,581 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 01:14:52,581 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 14 transitions, 54 flow [2022-12-13 01:14:52,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 23 places, 14 transitions, 54 flow [2022-12-13 01:14:52,583 INFO L130 PetriNetUnfolder]: 1/17 cut-off events. [2022-12-13 01:14:52,583 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-12-13 01:14:52,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 17 events. 1/17 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 33 event pairs, 1 based on Foata normal form. 0/11 useless extension candidates. Maximal degree in co-relation 31. Up to 6 conditions per place. [2022-12-13 01:14:52,583 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 23 places, 14 transitions, 54 flow [2022-12-13 01:14:52,583 INFO L226 LiptonReduction]: Number of co-enabled transitions 10 [2022-12-13 01:14:52,589 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [316] L689-->L692: Formula: (let ((.cse0 (select |v_#pthreadsMutex_1423| |v_~#mutex2~0.base_303|))) (and (= |v_#pthreadsMutex_1422| (store |v_#pthreadsMutex_1423| |v_~#mutex2~0.base_303| (store .cse0 |v_~#mutex2~0.offset_303| 1))) (not (= |v_t_funThread1of1ForFork0___VERIFIER_assert_~cond#1_371| 0)) (= v_~glob1~0_565 0) (= |v_t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1_385| (ite (= 5 v_~glob1~0_566) 1 0)) (= |v_t_funThread1of1ForFork0___VERIFIER_assert_~cond#1_371| |v_t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1_385|) (= (select .cse0 |v_~#mutex2~0.offset_303|) 0))) InVars {#pthreadsMutex=|v_#pthreadsMutex_1423|, ~#mutex2~0.offset=|v_~#mutex2~0.offset_303|, ~glob1~0=v_~glob1~0_566, ~#mutex2~0.base=|v_~#mutex2~0.base_303|} OutVars{t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1_385|, #pthreadsMutex=|v_#pthreadsMutex_1422|, t_funThread1of1ForFork0_#t~nondet3#1=|v_t_funThread1of1ForFork0_#t~nondet3#1_381|, t_funThread1of1ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread1of1ForFork0___VERIFIER_assert_~cond#1_371|, ~#mutex2~0.offset=|v_~#mutex2~0.offset_303|, ~glob1~0=v_~glob1~0_565, ~#mutex2~0.base=|v_~#mutex2~0.base_303|} AuxVars[] AssignedVars[t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1, #pthreadsMutex, t_funThread1of1ForFork0_#t~nondet3#1, t_funThread1of1ForFork0___VERIFIER_assert_~cond#1, ~glob1~0] and [322] $Ultimate##0-->L689: Formula: (let ((.cse0 (select |v_#pthreadsMutex_1456| |v_~#mutex1~0.base_489|))) (let ((.cse1 (store |v_#pthreadsMutex_1456| |v_~#mutex1~0.base_489| (store .cse0 |v_~#mutex1~0.offset_489| 1)))) (let ((.cse2 (select .cse1 |v_~#mutex2~0.base_315|))) (and (= |v_t_funThread1of1ForFork0_#in~arg#1.base_41| |v_t_funThread1of1ForFork0_~arg#1.base_49|) (= (select .cse0 |v_~#mutex1~0.offset_489|) 0) (= (store .cse1 |v_~#mutex2~0.base_315| (store .cse2 |v_~#mutex2~0.offset_315| 0)) |v_#pthreadsMutex_1454|) (= (select .cse2 |v_~#mutex2~0.offset_315|) 0) (= |v_t_funThread1of1ForFork0_~arg#1.offset_49| |v_t_funThread1of1ForFork0_#in~arg#1.offset_41|) (= 5 v_~glob1~0_571))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_1456|, t_funThread1of1ForFork0_#in~arg#1.base=|v_t_funThread1of1ForFork0_#in~arg#1.base_41|, ~#mutex1~0.offset=|v_~#mutex1~0.offset_489|, ~#mutex1~0.base=|v_~#mutex1~0.base_489|, t_funThread1of1ForFork0_#in~arg#1.offset=|v_t_funThread1of1ForFork0_#in~arg#1.offset_41|, ~#mutex2~0.offset=|v_~#mutex2~0.offset_315|, ~#mutex2~0.base=|v_~#mutex2~0.base_315|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_1454|, t_funThread1of1ForFork0_#t~nondet1#1=|v_t_funThread1of1ForFork0_#t~nondet1#1_69|, t_funThread1of1ForFork0_#in~arg#1.base=|v_t_funThread1of1ForFork0_#in~arg#1.base_41|, ~#mutex1~0.offset=|v_~#mutex1~0.offset_489|, t_funThread1of1ForFork0_~arg#1.offset=|v_t_funThread1of1ForFork0_~arg#1.offset_49|, ~#mutex1~0.base=|v_~#mutex1~0.base_489|, t_funThread1of1ForFork0_~arg#1.base=|v_t_funThread1of1ForFork0_~arg#1.base_49|, t_funThread1of1ForFork0_#in~arg#1.offset=|v_t_funThread1of1ForFork0_#in~arg#1.offset_41|, ~#mutex2~0.offset=|v_~#mutex2~0.offset_315|, ~glob1~0=v_~glob1~0_571, ~#mutex2~0.base=|v_~#mutex2~0.base_315|, t_funThread1of1ForFork0_#t~nondet2#1=|v_t_funThread1of1ForFork0_#t~nondet2#1_107|} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread1of1ForFork0_#t~nondet1#1, t_funThread1of1ForFork0_~arg#1.offset, t_funThread1of1ForFork0_~arg#1.base, ~glob1~0, t_funThread1of1ForFork0_#t~nondet2#1] [2022-12-13 01:14:52,596 INFO L241 LiptonReduction]: Total number of compositions: 1 [2022-12-13 01:14:52,597 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 16 [2022-12-13 01:14:52,597 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 14 transitions, 58 flow [2022-12-13 01:14:52,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 01:14:52,597 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 01:14:52,597 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 01:14:52,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 01:14:52,597 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-13 01:14:52,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 01:14:52,598 INFO L85 PathProgramCache]: Analyzing trace with hash 9973945, now seen corresponding path program 1 times [2022-12-13 01:14:52,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 01:14:52,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293558043] [2022-12-13 01:14:52,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 01:14:52,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 01:14:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 01:14:52,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 01:14:52,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 01:14:52,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293558043] [2022-12-13 01:14:52,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293558043] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 01:14:52,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 01:14:52,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 01:14:52,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096448080] [2022-12-13 01:14:52,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 01:14:52,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 01:14:52,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 01:14:52,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 01:14:52,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 01:14:52,691 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 14 [2022-12-13 01:14:52,691 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 14 transitions, 58 flow. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 01:14:52,691 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 01:14:52,691 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 14 [2022-12-13 01:14:52,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 01:14:52,707 INFO L130 PetriNetUnfolder]: 0/9 cut-off events. [2022-12-13 01:14:52,707 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-12-13 01:14:52,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 9 events. 0/9 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 14 event pairs, 0 based on Foata normal form. 7/12 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2022-12-13 01:14:52,707 INFO L137 encePairwiseOnDemand]: 11/14 looper letters, 0 selfloop transitions, 0 changer transitions 9/9 dead transitions. [2022-12-13 01:14:52,707 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 9 transitions, 48 flow [2022-12-13 01:14:52,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 01:14:52,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 01:14:52,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2022-12-13 01:14:52,708 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.17857142857142858 [2022-12-13 01:14:52,708 INFO L175 Difference]: Start difference. First operand has 23 places, 14 transitions, 58 flow. Second operand 4 states and 10 transitions. [2022-12-13 01:14:52,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 9 transitions, 48 flow [2022-12-13 01:14:52,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 16 places, 9 transitions, 39 flow, removed 2 selfloop flow, removed 4 redundant places. [2022-12-13 01:14:52,708 INFO L231 Difference]: Finished difference. Result has 16 places, 0 transitions, 0 flow [2022-12-13 01:14:52,708 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=14, PETRI_DIFFERENCE_MINUEND_FLOW=21, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=9, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=16, PETRI_TRANSITIONS=0} [2022-12-13 01:14:52,709 INFO L295 CegarLoopForPetriNet]: 42 programPoint places, -26 predicate places. [2022-12-13 01:14:52,709 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 01:14:52,709 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 16 places, 0 transitions, 0 flow [2022-12-13 01:14:52,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-13 01:14:52,709 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 01:14:52,709 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 01:14:52,709 INFO L83 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2022-12-13 01:14:52,709 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-13 01:14:52,710 INFO L226 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-13 01:14:52,710 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 01:14:52,710 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1 [2022-12-13 01:14:52,710 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-13 01:14:52,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 01:14:52,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-13 01:14:52,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-12-13 01:14:52,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-13 01:14:52,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2022-12-13 01:14:52,713 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-12-13 01:14:52,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 01:14:52,713 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-13 01:14:52,716 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 01:14:52,716 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 01:14:52,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:14:52 BasicIcfg [2022-12-13 01:14:52,718 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 01:14:52,718 INFO L158 Benchmark]: Toolchain (without parser) took 5137.14ms. Allocated memory was 245.4MB in the beginning and 309.3MB in the end (delta: 64.0MB). Free memory was 220.5MB in the beginning and 230.9MB in the end (delta: -10.4MB). Peak memory consumption was 54.6MB. Max. memory is 8.0GB. [2022-12-13 01:14:52,718 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 245.4MB. Free memory is still 221.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-13 01:14:52,718 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.28ms. Allocated memory is still 245.4MB. Free memory was 220.0MB in the beginning and 201.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-13 01:14:52,719 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.84ms. Allocated memory is still 245.4MB. Free memory was 201.1MB in the beginning and 199.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-13 01:14:52,719 INFO L158 Benchmark]: Boogie Preprocessor took 32.24ms. Allocated memory is still 245.4MB. Free memory was 199.0MB in the beginning and 197.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-13 01:14:52,719 INFO L158 Benchmark]: RCFGBuilder took 345.68ms. Allocated memory is still 245.4MB. Free memory was 197.4MB in the beginning and 183.3MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-13 01:14:52,719 INFO L158 Benchmark]: TraceAbstraction took 4327.72ms. Allocated memory was 245.4MB in the beginning and 309.3MB in the end (delta: 64.0MB). Free memory was 182.2MB in the beginning and 230.9MB in the end (delta: -48.7MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-12-13 01:14:52,720 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 245.4MB. Free memory is still 221.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 377.28ms. Allocated memory is still 245.4MB. Free memory was 220.0MB in the beginning and 201.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.84ms. Allocated memory is still 245.4MB. Free memory was 201.1MB in the beginning and 199.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.24ms. Allocated memory is still 245.4MB. Free memory was 199.0MB in the beginning and 197.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 345.68ms. Allocated memory is still 245.4MB. Free memory was 197.4MB in the beginning and 183.3MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 4327.72ms. Allocated memory was 245.4MB in the beginning and 309.3MB in the end (delta: 64.0MB). Free memory was 182.2MB in the beginning and 230.9MB in the end (delta: -48.7MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.9s, 74 PlacesBefore, 42 PlacesAfterwards, 73 TransitionsBefore, 39 TransitionsAfterwards, 616 CoEnabledTransitionPairs, 6 FixpointIterations, 0 TrivialSequentialCompositions, 7 ConcurrentSequentialCompositions, 33 TrivialYvCompositions, 21 ConcurrentYvCompositions, 3 ChoiceCompositions, 64 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3340, independent: 3060, independent conditional: 3060, independent unconditional: 0, dependent: 280, dependent conditional: 280, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3340, independent: 3060, independent conditional: 0, independent unconditional: 3060, dependent: 280, dependent conditional: 0, dependent unconditional: 280, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3340, independent: 3060, independent conditional: 0, independent unconditional: 3060, dependent: 280, dependent conditional: 0, dependent unconditional: 280, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3340, independent: 3060, independent conditional: 0, independent unconditional: 3060, dependent: 280, dependent conditional: 0, dependent unconditional: 280, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 879, independent: 832, independent conditional: 0, independent unconditional: 832, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 879, independent: 678, independent conditional: 0, independent unconditional: 678, dependent: 201, dependent conditional: 0, dependent unconditional: 201, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 201, independent: 154, independent conditional: 0, independent unconditional: 154, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 250, independent: 131, independent conditional: 0, independent unconditional: 131, dependent: 119, dependent conditional: 0, dependent unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3340, independent: 2228, independent conditional: 0, independent unconditional: 2228, dependent: 233, dependent conditional: 0, dependent unconditional: 233, unknown: 879, unknown conditional: 0, unknown unconditional: 879] , Statistics on independence cache: Total cache size (in pairs): 2438, Positive cache size: 2391, Positive conditional cache size: 0, Positive unconditional cache size: 2391, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, 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: 0.1s, 37 PlacesBefore, 37 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 480 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 210, independent: 160, independent conditional: 160, independent unconditional: 0, dependent: 50, dependent conditional: 50, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 210, independent: 160, independent conditional: 0, independent unconditional: 160, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 210, independent: 160, independent conditional: 0, independent unconditional: 160, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 210, independent: 160, independent conditional: 0, independent unconditional: 160, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 150, independent: 117, independent conditional: 0, independent unconditional: 117, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 150, independent: 98, independent conditional: 0, independent unconditional: 98, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 52, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, independent: 16, independent conditional: 0, independent unconditional: 16, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 210, independent: 43, independent conditional: 0, independent unconditional: 43, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 150, unknown conditional: 0, unknown unconditional: 150] , Statistics on independence cache: Total cache size (in pairs): 150, Positive cache size: 117, Positive conditional cache size: 0, Positive unconditional cache size: 117, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, 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, 39 PlacesBefore, 39 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 386 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 231, independent: 190, independent conditional: 190, independent unconditional: 0, dependent: 41, dependent conditional: 41, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 231, independent: 190, independent conditional: 4, independent unconditional: 186, dependent: 41, dependent conditional: 4, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 231, independent: 190, independent conditional: 0, independent unconditional: 190, dependent: 41, dependent conditional: 4, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 231, independent: 190, independent conditional: 0, independent unconditional: 190, dependent: 41, dependent conditional: 4, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 110, independent: 105, independent conditional: 0, independent unconditional: 105, dependent: 5, dependent conditional: 4, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 110, independent: 81, independent conditional: 0, independent unconditional: 81, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 29, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 5, dependent conditional: 4, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, independent: 29, independent conditional: 0, independent unconditional: 29, dependent: 5, dependent conditional: 3, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 231, independent: 85, independent conditional: 0, independent unconditional: 85, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 110, unknown conditional: 4, unknown unconditional: 106] , Statistics on independence cache: Total cache size (in pairs): 260, Positive cache size: 222, Positive conditional cache size: 0, Positive unconditional cache size: 222, Negative cache size: 38, Negative conditional cache size: 4, Negative unconditional cache size: 34, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.3s, 39 PlacesBefore, 35 PlacesAfterwards, 32 TransitionsBefore, 28 TransitionsAfterwards, 244 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 254, independent: 232, independent conditional: 232, independent unconditional: 0, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 254, independent: 232, independent conditional: 14, independent unconditional: 218, dependent: 22, dependent conditional: 14, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 254, independent: 232, independent conditional: 14, independent unconditional: 218, dependent: 22, dependent conditional: 14, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 254, independent: 232, independent conditional: 14, independent unconditional: 218, dependent: 22, dependent conditional: 14, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 41, independent: 28, independent conditional: 6, independent unconditional: 22, dependent: 13, dependent conditional: 7, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 41, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 3, independent conditional: 2, independent unconditional: 1, dependent: 13, dependent conditional: 7, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 22, independent: 4, independent conditional: 3, independent unconditional: 2, dependent: 17, dependent conditional: 10, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 254, independent: 204, independent conditional: 8, independent unconditional: 196, dependent: 9, dependent conditional: 7, dependent unconditional: 2, unknown: 41, unknown conditional: 13, unknown unconditional: 28] , Statistics on independence cache: Total cache size (in pairs): 381, Positive cache size: 330, Positive conditional cache size: 6, Positive unconditional cache size: 324, Negative cache size: 51, Negative conditional cache size: 11, Negative unconditional cache size: 40, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 23 PlacesBefore, 23 PlacesAfterwards, 14 TransitionsBefore, 14 TransitionsAfterwards, 10 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.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] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 383, Positive cache size: 332, Positive conditional cache size: 6, Positive unconditional cache size: 326, Negative cache size: 51, Negative conditional cache size: 11, Negative unconditional cache size: 40, 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, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.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] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 383, Positive cache size: 332, Positive conditional cache size: 6, Positive unconditional cache size: 326, Negative cache size: 51, Negative conditional cache size: 11, Negative unconditional cache size: 40, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 102 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 191 IncrementalHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 5 mSDtfsCounter, 191 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=3, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 41 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 01:14:52,735 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...