/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 07:08:31,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 07:08:31,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 07:08:31,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 07:08:31,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 07:08:31,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 07:08:31,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 07:08:31,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 07:08:31,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 07:08:31,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 07:08:31,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 07:08:31,362 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 07:08:31,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 07:08:31,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 07:08:31,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 07:08:31,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 07:08:31,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 07:08:31,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 07:08:31,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 07:08:31,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 07:08:31,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 07:08:31,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 07:08:31,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 07:08:31,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 07:08:31,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-12-06 07:08:31,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 07:08:31,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 07:08:31,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 07:08:31,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 07:08:31,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 07:08:31,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 07:08:31,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 07:08:31,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 07:08:31,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 07:08:31,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 07:08:31,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 07:08:31,393 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2022-12-06 07:08:31,420 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 07:08:31,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 07:08:31,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 07:08:31,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 07:08:31,422 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 07:08:31,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 07:08:31,423 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 07:08:31,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 07:08:31,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 07:08:31,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 07:08:31,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 07:08:31,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 07:08:31,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 07:08:31,424 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 07:08:31,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 07:08:31,424 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 07:08:31,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 07:08:31,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 07:08:31,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 07:08:31,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 07:08:31,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 07:08:31,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 07:08:31,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 07:08:31,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 07:08:31,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 07:08:31,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 07:08:31,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 07:08:31,426 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 07:08:31,426 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 07:08:31,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 07:08:31,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 07:08:31,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 07:08:31,725 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 07:08:31,725 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 07:08:31,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i [2022-12-06 07:08:32,752 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 07:08:32,992 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 07:08:32,992 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i [2022-12-06 07:08:33,000 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9695935d/0f604f0c76444bd08dff7c7ab7440b08/FLAGca3008589 [2022-12-06 07:08:33,012 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9695935d/0f604f0c76444bd08dff7c7ab7440b08 [2022-12-06 07:08:33,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 07:08:33,014 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 07:08:33,015 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 07:08:33,015 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 07:08:33,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 07:08:33,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:08:33" (1/1) ... [2022-12-06 07:08:33,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dcc03c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:33, skipping insertion in model container [2022-12-06 07:08:33,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:08:33" (1/1) ... [2022-12-06 07:08:33,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 07:08:33,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 07:08:33,186 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_36-traces-ex-3_true.i[1088,1101] [2022-12-06 07:08:33,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 07:08:33,316 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 07:08:33,326 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_36-traces-ex-3_true.i[1088,1101] [2022-12-06 07:08:33,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 07:08:33,382 INFO L208 MainTranslator]: Completed translation [2022-12-06 07:08:33,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:33 WrapperNode [2022-12-06 07:08:33,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 07:08:33,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 07:08:33,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 07:08:33,384 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 07:08:33,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:33" (1/1) ... [2022-12-06 07:08:33,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:33" (1/1) ... [2022-12-06 07:08:33,434 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-12-06 07:08:33,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 07:08:33,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 07:08:33,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 07:08:33,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 07:08:33,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:33" (1/1) ... [2022-12-06 07:08:33,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:33" (1/1) ... [2022-12-06 07:08:33,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:33" (1/1) ... [2022-12-06 07:08:33,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:33" (1/1) ... [2022-12-06 07:08:33,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:33" (1/1) ... [2022-12-06 07:08:33,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:33" (1/1) ... [2022-12-06 07:08:33,460 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:33" (1/1) ... [2022-12-06 07:08:33,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:33" (1/1) ... [2022-12-06 07:08:33,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 07:08:33,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 07:08:33,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 07:08:33,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 07:08:33,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:33" (1/1) ... [2022-12-06 07:08:33,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 07:08:33,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 07:08:33,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 07:08:33,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 07:08:33,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 07:08:33,562 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 07:08:33,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 07:08:33,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 07:08:33,563 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-06 07:08:33,563 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-06 07:08:33,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 07:08:33,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 07:08:33,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 07:08:33,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 07:08:33,564 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 07:08:33,640 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 07:08:33,641 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 07:08:33,781 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 07:08:33,789 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 07:08:33,789 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 07:08:33,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:08:33 BoogieIcfgContainer [2022-12-06 07:08:33,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 07:08:33,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 07:08:33,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 07:08:33,794 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 07:08:33,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:08:33" (1/3) ... [2022-12-06 07:08:33,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4739ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:08:33, skipping insertion in model container [2022-12-06 07:08:33,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:08:33" (2/3) ... [2022-12-06 07:08:33,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4739ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:08:33, skipping insertion in model container [2022-12-06 07:08:33,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:08:33" (3/3) ... [2022-12-06 07:08:33,796 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_36-traces-ex-3_true.i [2022-12-06 07:08:33,809 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 07:08:33,809 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 07:08:33,809 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 07:08:33,837 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 07:08:33,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 62 transitions, 129 flow [2022-12-06 07:08:33,908 INFO L130 PetriNetUnfolder]: 1/61 cut-off events. [2022-12-06 07:08:33,908 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 07:08:33,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 61 events. 1/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 33 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 32. Up to 2 conditions per place. [2022-12-06 07:08:33,912 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 62 transitions, 129 flow [2022-12-06 07:08:33,915 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 56 places, 52 transitions, 107 flow [2022-12-06 07:08:33,916 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:08:33,932 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 52 transitions, 107 flow [2022-12-06 07:08:33,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 52 transitions, 107 flow [2022-12-06 07:08:33,965 INFO L130 PetriNetUnfolder]: 0/52 cut-off events. [2022-12-06 07:08:33,966 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 07:08:33,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 52 events. 0/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 22 event pairs, 0 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-06 07:08:33,968 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 52 transitions, 107 flow [2022-12-06 07:08:33,968 INFO L188 LiptonReduction]: Number of co-enabled transitions 264 [2022-12-06 07:08:36,455 INFO L203 LiptonReduction]: Total number of compositions: 42 [2022-12-06 07:08:36,465 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 07:08:36,469 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;@42ddb5a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 07:08:36,469 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-06 07:08:36,471 INFO L130 PetriNetUnfolder]: 0/10 cut-off events. [2022-12-06 07:08:36,471 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 07:08:36,472 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:08:36,472 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-06 07:08:36,472 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 07:08:36,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:08:36,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1909886799, now seen corresponding path program 1 times [2022-12-06 07:08:36,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:08:36,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099594207] [2022-12-06 07:08:36,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:08:36,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:08:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:08:36,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 07:08:36,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:08:36,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099594207] [2022-12-06 07:08:36,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099594207] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 07:08:36,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 07:08:36,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 07:08:36,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98631107] [2022-12-06 07:08:36,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 07:08:36,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 07:08:36,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 07:08:36,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 07:08:36,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 07:08:36,722 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 11 [2022-12-06 07:08:36,723 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 15 places, 11 transitions, 25 flow. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 07:08:36,723 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 07:08:36,723 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 11 [2022-12-06 07:08:36,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 07:08:36,755 INFO L130 PetriNetUnfolder]: 10/35 cut-off events. [2022-12-06 07:08:36,755 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 07:08:36,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 35 events. 10/35 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 75 event pairs, 4 based on Foata normal form. 2/37 useless extension candidates. Maximal degree in co-relation 61. Up to 18 conditions per place. [2022-12-06 07:08:36,757 INFO L137 encePairwiseOnDemand]: 7/11 looper letters, 9 selfloop transitions, 3 changer transitions 1/14 dead transitions. [2022-12-06 07:08:36,757 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 17 places, 14 transitions, 55 flow [2022-12-06 07:08:36,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 07:08:36,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 07:08:36,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2022-12-06 07:08:36,764 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5757575757575758 [2022-12-06 07:08:36,766 INFO L175 Difference]: Start difference. First operand has 15 places, 11 transitions, 25 flow. Second operand 3 states and 19 transitions. [2022-12-06 07:08:36,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 17 places, 14 transitions, 55 flow [2022-12-06 07:08:36,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 16 places, 14 transitions, 54 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 07:08:36,771 INFO L231 Difference]: Finished difference. Result has 17 places, 10 transitions, 33 flow [2022-12-06 07:08:36,772 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=11, PETRI_DIFFERENCE_MINUEND_FLOW=24, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=33, PETRI_PLACES=17, PETRI_TRANSITIONS=10} [2022-12-06 07:08:36,776 INFO L294 CegarLoopForPetriNet]: 15 programPoint places, 2 predicate places. [2022-12-06 07:08:36,776 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 07:08:36,777 INFO L89 Accepts]: Start accepts. Operand has 17 places, 10 transitions, 33 flow [2022-12-06 07:08:36,778 INFO L95 Accepts]: Finished accepts. [2022-12-06 07:08:36,778 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:08:36,779 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 17 places, 10 transitions, 33 flow [2022-12-06 07:08:36,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 16 places, 10 transitions, 33 flow [2022-12-06 07:08:36,792 INFO L130 PetriNetUnfolder]: 0/11 cut-off events. [2022-12-06 07:08:36,793 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 07:08:36,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22 conditions, 11 events. 0/11 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 7 event pairs, 0 based on Foata normal form. 0/11 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-06 07:08:36,793 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 16 places, 10 transitions, 33 flow [2022-12-06 07:08:36,794 INFO L188 LiptonReduction]: Number of co-enabled transitions 28 [2022-12-06 07:08:36,820 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 07:08:36,822 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 46 [2022-12-06 07:08:36,825 INFO L495 AbstractCegarLoop]: Abstraction has has 16 places, 10 transitions, 33 flow [2022-12-06 07:08:36,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 07:08:36,826 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:08:36,826 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-06 07:08:36,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 07:08:36,826 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 07:08:36,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:08:36,827 INFO L85 PathProgramCache]: Analyzing trace with hash -923051043, now seen corresponding path program 1 times [2022-12-06 07:08:36,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:08:36,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427042551] [2022-12-06 07:08:36,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:08:36,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:08:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:08:36,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 07:08:36,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:08:36,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427042551] [2022-12-06 07:08:36,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427042551] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 07:08:36,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 07:08:36,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 07:08:36,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452907207] [2022-12-06 07:08:36,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 07:08:36,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 07:08:36,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 07:08:36,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 07:08:36,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 07:08:36,956 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 10 [2022-12-06 07:08:36,956 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 16 places, 10 transitions, 33 flow. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 07:08:36,956 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 07:08:36,956 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 10 [2022-12-06 07:08:36,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 07:08:36,979 INFO L130 PetriNetUnfolder]: 13/43 cut-off events. [2022-12-06 07:08:36,979 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-12-06 07:08:36,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 43 events. 13/43 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 104 event pairs, 6 based on Foata normal form. 3/46 useless extension candidates. Maximal degree in co-relation 99. Up to 26 conditions per place. [2022-12-06 07:08:36,979 INFO L137 encePairwiseOnDemand]: 5/10 looper letters, 11 selfloop transitions, 5 changer transitions 0/16 dead transitions. [2022-12-06 07:08:36,979 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 16 transitions, 82 flow [2022-12-06 07:08:36,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 07:08:36,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 07:08:36,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2022-12-06 07:08:36,980 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6 [2022-12-06 07:08:36,980 INFO L175 Difference]: Start difference. First operand has 16 places, 10 transitions, 33 flow. Second operand 3 states and 18 transitions. [2022-12-06 07:08:36,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 16 transitions, 82 flow [2022-12-06 07:08:36,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 16 places, 16 transitions, 74 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 07:08:36,981 INFO L231 Difference]: Finished difference. Result has 17 places, 13 transitions, 55 flow [2022-12-06 07:08:36,981 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=10, PETRI_DIFFERENCE_MINUEND_FLOW=27, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=5, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=55, PETRI_PLACES=17, PETRI_TRANSITIONS=13} [2022-12-06 07:08:36,982 INFO L294 CegarLoopForPetriNet]: 15 programPoint places, 2 predicate places. [2022-12-06 07:08:36,982 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 07:08:36,982 INFO L89 Accepts]: Start accepts. Operand has 17 places, 13 transitions, 55 flow [2022-12-06 07:08:36,982 INFO L95 Accepts]: Finished accepts. [2022-12-06 07:08:36,982 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:08:36,982 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 17 places, 13 transitions, 55 flow [2022-12-06 07:08:36,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 17 places, 13 transitions, 55 flow [2022-12-06 07:08:36,986 INFO L130 PetriNetUnfolder]: 5/27 cut-off events. [2022-12-06 07:08:36,986 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-06 07:08:36,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 27 events. 5/27 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 58 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 55. Up to 15 conditions per place. [2022-12-06 07:08:36,986 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 17 places, 13 transitions, 55 flow [2022-12-06 07:08:36,987 INFO L188 LiptonReduction]: Number of co-enabled transitions 16 [2022-12-06 07:08:37,021 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 07:08:37,022 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 40 [2022-12-06 07:08:37,023 INFO L495 AbstractCegarLoop]: Abstraction has has 16 places, 12 transitions, 53 flow [2022-12-06 07:08:37,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 07:08:37,023 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:08:37,023 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-06 07:08:37,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 07:08:37,023 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 07:08:37,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:08:37,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1909903639, now seen corresponding path program 1 times [2022-12-06 07:08:37,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:08:37,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58215858] [2022-12-06 07:08:37,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:08:37,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:08:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:08:37,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 07:08:37,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:08:37,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58215858] [2022-12-06 07:08:37,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58215858] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 07:08:37,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 07:08:37,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 07:08:37,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705056771] [2022-12-06 07:08:37,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 07:08:37,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 07:08:37,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 07:08:37,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 07:08:37,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-06 07:08:37,113 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 9 [2022-12-06 07:08:37,113 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 16 places, 12 transitions, 53 flow. Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 07:08:37,113 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 07:08:37,113 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 9 [2022-12-06 07:08:37,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 07:08:37,128 INFO L130 PetriNetUnfolder]: 8/26 cut-off events. [2022-12-06 07:08:37,128 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-06 07:08:37,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 26 events. 8/26 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 44 event pairs, 3 based on Foata normal form. 3/29 useless extension candidates. Maximal degree in co-relation 71. Up to 17 conditions per place. [2022-12-06 07:08:37,129 INFO L137 encePairwiseOnDemand]: 5/9 looper letters, 0 selfloop transitions, 0 changer transitions 12/12 dead transitions. [2022-12-06 07:08:37,129 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 12 transitions, 70 flow [2022-12-06 07:08:37,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 07:08:37,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 07:08:37,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2022-12-06 07:08:37,130 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3055555555555556 [2022-12-06 07:08:37,130 INFO L175 Difference]: Start difference. First operand has 16 places, 12 transitions, 53 flow. Second operand 4 states and 11 transitions. [2022-12-06 07:08:37,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 12 transitions, 70 flow [2022-12-06 07:08:37,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 16 places, 12 transitions, 64 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 07:08:37,130 INFO L231 Difference]: Finished difference. Result has 16 places, 0 transitions, 0 flow [2022-12-06 07:08:37,131 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=9, PETRI_DIFFERENCE_MINUEND_FLOW=34, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=16, PETRI_TRANSITIONS=0} [2022-12-06 07:08:37,131 INFO L294 CegarLoopForPetriNet]: 15 programPoint places, 1 predicate places. [2022-12-06 07:08:37,131 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:08:37,132 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 16 places, 0 transitions, 0 flow [2022-12-06 07:08:37,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-06 07:08:37,132 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-06 07:08:37,132 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 07:08:37,132 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. [2022-12-06 07:08:37,132 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-06 07:08:37,132 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 07:08:37,133 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 07:08:37,133 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2 [2022-12-06 07:08:37,133 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-06 07:08:37,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 07:08:37,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-12-06 07:08:37,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-12-06 07:08:37,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 07:08:37,136 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-06 07:08:37,137 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 07:08:37,138 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 07:08:37,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 07:08:37 BasicIcfg [2022-12-06 07:08:37,139 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 07:08:37,140 INFO L158 Benchmark]: Toolchain (without parser) took 4125.50ms. Allocated memory was 247.5MB in the beginning and 317.7MB in the end (delta: 70.3MB). Free memory was 222.9MB in the beginning and 223.3MB in the end (delta: -434.9kB). Peak memory consumption was 69.8MB. Max. memory is 8.0GB. [2022-12-06 07:08:37,140 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 247.5MB. Free memory is still 223.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 07:08:37,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.29ms. Allocated memory is still 247.5MB. Free memory was 222.3MB in the beginning and 203.3MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-06 07:08:37,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.87ms. Allocated memory is still 247.5MB. Free memory was 203.3MB in the beginning and 201.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 07:08:37,141 INFO L158 Benchmark]: Boogie Preprocessor took 26.48ms. Allocated memory is still 247.5MB. Free memory was 201.4MB in the beginning and 199.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 07:08:37,141 INFO L158 Benchmark]: RCFGBuilder took 328.25ms. Allocated memory is still 247.5MB. Free memory was 199.8MB in the beginning and 186.7MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-06 07:08:37,141 INFO L158 Benchmark]: TraceAbstraction took 3347.43ms. Allocated memory was 247.5MB in the beginning and 317.7MB in the end (delta: 70.3MB). Free memory was 186.2MB in the beginning and 223.3MB in the end (delta: -37.1MB). Peak memory consumption was 34.2MB. Max. memory is 8.0GB. [2022-12-06 07:08:37,142 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 247.5MB. Free memory is still 223.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 367.29ms. Allocated memory is still 247.5MB. Free memory was 222.3MB in the beginning and 203.3MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.87ms. Allocated memory is still 247.5MB. Free memory was 203.3MB in the beginning and 201.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.48ms. Allocated memory is still 247.5MB. Free memory was 201.4MB in the beginning and 199.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 328.25ms. Allocated memory is still 247.5MB. Free memory was 199.8MB in the beginning and 186.7MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 3347.43ms. Allocated memory was 247.5MB in the beginning and 317.7MB in the end (delta: 70.3MB). Free memory was 186.2MB in the beginning and 223.3MB in the end (delta: -37.1MB). Peak memory consumption was 34.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.5s, 56 PlacesBefore, 15 PlacesAfterwards, 52 TransitionsBefore, 11 TransitionsAfterwards, 264 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 27 TrivialYvCompositions, 15 ConcurrentYvCompositions, 0 ChoiceCompositions, 42 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 244, independent: 197, independent conditional: 197, independent unconditional: 0, dependent: 47, dependent conditional: 47, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 244, independent: 197, independent conditional: 0, independent unconditional: 197, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 244, independent: 197, independent conditional: 0, independent unconditional: 197, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 244, independent: 197, independent conditional: 0, independent unconditional: 197, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 178, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 178, independent: 145, independent conditional: 0, independent unconditional: 145, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 33, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 62, dependent conditional: 0, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 244, independent: 44, independent conditional: 0, independent unconditional: 44, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 178, unknown conditional: 0, unknown unconditional: 178] , Statistics on independence cache: Total cache size (in pairs): 260, Positive cache size: 235, Positive conditional cache size: 0, Positive unconditional cache size: 235, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 16 PlacesBefore, 16 PlacesAfterwards, 10 TransitionsBefore, 10 TransitionsAfterwards, 28 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, independent: 9, independent conditional: 9, independent unconditional: 0, dependent: 11, dependent conditional: 11, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 20, independent: 9, independent conditional: 4, independent unconditional: 5, dependent: 11, dependent conditional: 3, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 22, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 20, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 16, unknown conditional: 0, unknown unconditional: 16] , Statistics on independence cache: Total cache size (in pairs): 16, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 17 PlacesBefore, 16 PlacesAfterwards, 13 TransitionsBefore, 12 TransitionsAfterwards, 16 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, independent: 16, independent conditional: 16, independent unconditional: 0, dependent: 10, dependent conditional: 10, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 26, independent: 16, independent conditional: 1, independent unconditional: 15, dependent: 10, dependent conditional: 10, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26, independent: 16, independent conditional: 1, independent unconditional: 15, dependent: 10, dependent conditional: 10, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26, independent: 16, independent conditional: 1, independent unconditional: 15, dependent: 10, dependent conditional: 10, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, independent: 2, independent conditional: 1, independent unconditional: 1, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 26, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 7, dependent conditional: 7, dependent unconditional: 0, unknown: 5, unknown conditional: 4, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 22, Positive cache size: 10, Positive conditional cache size: 1, Positive unconditional cache size: 9, Negative cache size: 12, Negative conditional cache size: 3, Negative unconditional cache size: 9, 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, 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): 22, Positive cache size: 10, Positive conditional cache size: 1, Positive unconditional cache size: 9, Negative cache size: 12, Negative conditional cache size: 3, Negative unconditional cache size: 9, 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 75 locations, 2 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: 3.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 58 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 0 mSDtfsCounter, 58 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=2, InterpolantAutomatonStates: 10, 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 58 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 07:08:37,182 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...