/usr/lib/jvm/java-1.11.0-openjdk-amd64/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-SemanticLbe.epf --rcfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 11:31:15,777 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 11:31:15,820 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2023-11-17 11:31:15,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 11:31:15,836 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 11:31:15,836 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 11:31:15,837 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 11:31:15,837 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 11:31:15,837 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 11:31:15,838 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 11:31:15,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 11:31:15,838 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 11:31:15,838 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 11:31:15,838 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 11:31:15,839 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 11:31:15,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 11:31:15,839 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 11:31:15,839 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 11:31:15,840 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 11:31:15,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 11:31:15,840 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 11:31:15,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 11:31:15,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 11:31:15,841 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 11:31:15,841 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 11:31:15,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 11:31:15,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 11:31:15,842 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 11:31:15,842 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 11:31:15,842 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 11:31:15,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 11:31:15,842 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-17 11:31:15,843 INFO L153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> true [2023-11-17 11:31:16,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 11:31:16,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 11:31:16,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 11:31:16,064 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 11:31:16,065 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 11:31:16,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2023-11-17 11:31:17,173 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 11:31:17,397 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 11:31:17,397 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2023-11-17 11:31:17,418 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c07ab131/e51ee52455174609b6576ec796bb88fa/FLAGf2cfb3959 [2023-11-17 11:31:17,435 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c07ab131/e51ee52455174609b6576ec796bb88fa [2023-11-17 11:31:17,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 11:31:17,438 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 11:31:17,439 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 11:31:17,439 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 11:31:17,442 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 11:31:17,443 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:31:17" (1/1) ... [2023-11-17 11:31:17,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee8a922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:31:17, skipping insertion in model container [2023-11-17 11:31:17,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:31:17" (1/1) ... [2023-11-17 11:31:17,491 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 11:31:18,029 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i[63614,63627] [2023-11-17 11:31:18,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 11:31:18,064 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 11:31:18,118 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i[63614,63627] [2023-11-17 11:31:18,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 11:31:18,259 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:31:18,259 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:31:18,265 INFO L206 MainTranslator]: Completed translation [2023-11-17 11:31:18,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:31:18 WrapperNode [2023-11-17 11:31:18,267 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 11:31:18,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 11:31:18,268 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 11:31:18,268 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 11:31:18,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:31:18" (1/1) ... [2023-11-17 11:31:18,293 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:31:18" (1/1) ... [2023-11-17 11:31:18,398 INFO L138 Inliner]: procedures = 397, calls = 218, calls flagged for inlining = 52, calls inlined = 211, statements flattened = 3786 [2023-11-17 11:31:18,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 11:31:18,400 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 11:31:18,400 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 11:31:18,400 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 11:31:18,407 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:31:18" (1/1) ... [2023-11-17 11:31:18,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:31:18" (1/1) ... [2023-11-17 11:31:18,444 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:31:18" (1/1) ... [2023-11-17 11:31:18,444 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:31:18" (1/1) ... [2023-11-17 11:31:18,523 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:31:18" (1/1) ... [2023-11-17 11:31:18,541 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:31:18" (1/1) ... [2023-11-17 11:31:18,554 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:31:18" (1/1) ... [2023-11-17 11:31:18,572 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:31:18" (1/1) ... [2023-11-17 11:31:18,591 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 11:31:18,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 11:31:18,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 11:31:18,593 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 11:31:18,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:31:18" (1/1) ... [2023-11-17 11:31:18,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 11:31:18,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 11:31:18,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-17 11:31:18,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-17 11:31:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 11:31:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 11:31:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 11:31:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 11:31:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 11:31:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-17 11:31:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-11-17 11:31:18,683 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-11-17 11:31:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-11-17 11:31:18,683 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-11-17 11:31:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-11-17 11:31:18,683 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-11-17 11:31:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 11:31:18,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 11:31:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 11:31:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-17 11:31:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-17 11:31:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 11:31:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-11-17 11:31:18,684 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-11-17 11:31:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-11-17 11:31:18,684 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-11-17 11:31:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-11-17 11:31:18,684 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-11-17 11:31:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-11-17 11:31:18,684 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-11-17 11:31:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 11:31:18,687 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 11:31:18,967 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 11:31:18,970 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 11:31:21,590 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 11:31:23,974 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 11:31:23,974 INFO L307 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-17 11:31:23,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:31:23 BoogieIcfgContainer [2023-11-17 11:31:23,975 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 11:31:23,977 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 11:31:23,977 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 11:31:23,979 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 11:31:23,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 11:31:17" (1/3) ... [2023-11-17 11:31:23,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@122fc31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:31:23, skipping insertion in model container [2023-11-17 11:31:23,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:31:18" (2/3) ... [2023-11-17 11:31:23,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@122fc31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:31:23, skipping insertion in model container [2023-11-17 11:31:23,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:31:23" (3/3) ... [2023-11-17 11:31:23,981 INFO L112 eAbstractionObserver]: Analyzing ICFG elimination_backoff_stack.i [2023-11-17 11:31:23,995 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 11:31:23,995 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-11-17 11:31:23,995 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 11:31:24,463 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-17 11:31:24,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 430 places, 510 transitions, 1048 flow [2023-11-17 11:31:24,661 INFO L124 PetriNetUnfolderBase]: 102/503 cut-off events. [2023-11-17 11:31:24,661 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-17 11:31:24,680 INFO L83 FinitePrefix]: Finished finitePrefix Result has 525 conditions, 503 events. 102/503 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2715 event pairs, 0 based on Foata normal form. 0/394 useless extension candidates. Maximal degree in co-relation 513. Up to 5 conditions per place. [2023-11-17 11:31:24,681 INFO L82 GeneralOperation]: Start removeDead. Operand has 430 places, 510 transitions, 1048 flow [2023-11-17 11:31:24,694 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 423 places, 503 transitions, 1027 flow [2023-11-17 11:31:24,696 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-17 11:31:24,705 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 423 places, 503 transitions, 1027 flow [2023-11-17 11:31:24,707 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 423 places, 503 transitions, 1027 flow [2023-11-17 11:31:24,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 423 places, 503 transitions, 1027 flow [2023-11-17 11:31:24,927 INFO L124 PetriNetUnfolderBase]: 102/503 cut-off events. [2023-11-17 11:31:24,927 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-17 11:31:24,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 525 conditions, 503 events. 102/503 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2708 event pairs, 0 based on Foata normal form. 0/394 useless extension candidates. Maximal degree in co-relation 513. Up to 5 conditions per place. [2023-11-17 11:31:24,986 INFO L119 LiptonReduction]: Number of co-enabled transitions 210892 [2023-11-17 11:31:36,844 WARN L293 SmtUtils]: Spent 11.85s on a formula simplification. DAG size of input: 304 DAG size of output: 297 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 11:31:42,272 WARN L293 SmtUtils]: Spent 5.43s on a formula simplification that was a NOOP. DAG size: 294 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 11:31:56,385 WARN L293 SmtUtils]: Spent 14.11s on a formula simplification. DAG size of input: 328 DAG size of output: 321 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 11:32:03,276 WARN L293 SmtUtils]: Spent 6.89s on a formula simplification that was a NOOP. DAG size: 318 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 11:32:14,729 WARN L293 SmtUtils]: Spent 10.63s on a formula simplification. DAG size of input: 304 DAG size of output: 297 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 11:32:20,225 WARN L293 SmtUtils]: Spent 5.49s on a formula simplification that was a NOOP. DAG size: 294 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 11:32:35,129 WARN L293 SmtUtils]: Spent 14.90s on a formula simplification. DAG size of input: 328 DAG size of output: 321 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 11:32:41,292 WARN L293 SmtUtils]: Spent 6.16s on a formula simplification that was a NOOP. DAG size: 318 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 11:35:40,711 WARN L293 SmtUtils]: Spent 15.43s on a formula simplification. DAG size of input: 287 DAG size of output: 281 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 11:35:48,699 WARN L293 SmtUtils]: Spent 7.99s on a formula simplification that was a NOOP. DAG size: 277 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 11:36:11,481 WARN L293 SmtUtils]: Spent 22.78s on a formula simplification. DAG size of input: 311 DAG size of output: 305 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 11:36:21,436 WARN L293 SmtUtils]: Spent 9.95s on a formula simplification that was a NOOP. DAG size: 301 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 11:38:34,367 WARN L293 SmtUtils]: Spent 16.80s on a formula simplification. DAG size of input: 304 DAG size of output: 297 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 11:38:43,432 WARN L293 SmtUtils]: Spent 9.06s on a formula simplification that was a NOOP. DAG size: 294 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 11:39:05,804 WARN L293 SmtUtils]: Spent 22.37s on a formula simplification. DAG size of input: 328 DAG size of output: 321 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 11:39:16,636 WARN L293 SmtUtils]: Spent 10.83s on a formula simplification that was a NOOP. DAG size: 318 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Received shutdown request... [2023-11-17 11:40:57,598 WARN L235 SmtUtils]: Removed 23 from assertion stack [2023-11-17 11:40:57,599 INFO L257 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction. Reason: Timeout or Toolchain cancelled by user [2023-11-17 11:40:57,600 INFO L158 Benchmark]: Toolchain (without parser) took 580162.58ms. Allocated memory was 243.3MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 190.7MB in the beginning and 864.9MB in the end (delta: -674.2MB). Peak memory consumption was 884.6MB. Max. memory is 8.0GB. [2023-11-17 11:40:57,601 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 202.4MB. Free memory is still 154.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 11:40:57,601 INFO L158 Benchmark]: CACSL2BoogieTranslator took 828.53ms. Allocated memory is still 243.3MB. Free memory was 190.4MB in the beginning and 188.9MB in the end (delta: 1.4MB). Peak memory consumption was 38.5MB. Max. memory is 8.0GB. [2023-11-17 11:40:57,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.22ms. Allocated memory is still 243.3MB. Free memory was 188.9MB in the beginning and 170.1MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-11-17 11:40:57,602 INFO L158 Benchmark]: Boogie Preprocessor took 191.95ms. Allocated memory is still 243.3MB. Free memory was 170.1MB in the beginning and 150.4MB in the end (delta: 19.7MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-11-17 11:40:57,602 INFO L158 Benchmark]: RCFGBuilder took 5382.86ms. Allocated memory was 243.3MB in the beginning and 661.7MB in the end (delta: 418.4MB). Free memory was 150.4MB in the beginning and 513.6MB in the end (delta: -363.2MB). Peak memory consumption was 289.3MB. Max. memory is 8.0GB. [2023-11-17 11:40:57,602 INFO L158 Benchmark]: TraceAbstraction took 573622.87ms. Allocated memory was 661.7MB in the beginning and 1.3GB in the end (delta: 661.7MB). Free memory was 513.1MB in the beginning and 864.9MB in the end (delta: -351.8MB). Peak memory consumption was 787.5MB. Max. memory is 8.0GB. [2023-11-17 11:40:57,604 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2023-11-17 11:40:57,605 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 202.4MB. Free memory is still 154.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 828.53ms. Allocated memory is still 243.3MB. Free memory was 190.4MB in the beginning and 188.9MB in the end (delta: 1.4MB). Peak memory consumption was 38.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 131.22ms. Allocated memory is still 243.3MB. Free memory was 188.9MB in the beginning and 170.1MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 191.95ms. Allocated memory is still 243.3MB. Free memory was 170.1MB in the beginning and 150.4MB in the end (delta: 19.7MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * RCFGBuilder took 5382.86ms. Allocated memory was 243.3MB in the beginning and 661.7MB in the end (delta: 418.4MB). Free memory was 150.4MB in the beginning and 513.6MB in the end (delta: -363.2MB). Peak memory consumption was 289.3MB. Max. memory is 8.0GB. * TraceAbstraction took 573622.87ms. Allocated memory was 661.7MB in the beginning and 1.3GB in the end (delta: 661.7MB). Free memory was 513.1MB in the beginning and 864.9MB in the end (delta: -351.8MB). Peak memory consumption was 787.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction) Toolchain cancelled while CegarLoopFactory was constructing initial abstraction,while PetriNetLargeBlockEncoding was applying PetriNetLargeBlockEncoding to Petri net that has 423 places, 503 transitions, 1027 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 423 places, 503 transitions, 1027 flow and 210892 co-enabled transitions pairs.,while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 304 for 12841ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown