/usr/bin/java -Xmx16000000000 -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-VariableLbe.epf --traceabstraction.order.of.the.error.locations.to.be.checked INSUFFICIENT_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/pthread-wmm/safe018_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 15:20:52,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 15:20:52,457 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-VariableLbe.epf [2023-08-25 15:20:52,462 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 15:20:52,463 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 15:20:52,487 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 15:20:52,487 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 15:20:52,487 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 15:20:52,488 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 15:20:52,491 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 15:20:52,491 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 15:20:52,491 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 15:20:52,491 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 15:20:52,492 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 15:20:52,492 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 15:20:52,492 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 15:20:52,492 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 15:20:52,492 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 15:20:52,493 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 15:20:52,493 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 15:20:52,493 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 15:20:52,493 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 15:20:52,494 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 15:20:52,494 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 15:20:52,494 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 15:20:52,494 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 15:20:52,494 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 15:20:52,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 15:20:52,495 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 15:20:52,495 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 15:20:52,496 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 15:20:52,496 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 15:20:52,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 15:20:52,496 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 15:20:52,496 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 15:20:52,496 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 15:20:52,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 15:20:52,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 15:20:52,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 15:20:52,760 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 15:20:52,760 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 15:20:52,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_rmo.oepc.i [2023-08-25 15:20:53,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 15:20:53,915 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 15:20:53,916 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_rmo.oepc.i [2023-08-25 15:20:53,939 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/207434046/e86e294eabcb477b8d7fafaf7e6b867a/FLAG16369b1a6 [2023-08-25 15:20:53,949 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/207434046/e86e294eabcb477b8d7fafaf7e6b867a [2023-08-25 15:20:53,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 15:20:53,954 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 15:20:53,956 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 15:20:53,956 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 15:20:53,958 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 15:20:53,959 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:20:53" (1/1) ... [2023-08-25 15:20:53,960 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ee0e98e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:20:53, skipping insertion in model container [2023-08-25 15:20:53,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:20:53" (1/1) ... [2023-08-25 15:20:54,004 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 15:20:54,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 15:20:54,309 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 15:20:54,336 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-08-25 15:20:54,337 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-08-25 15:20:54,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 15:20:54,396 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 15:20:54,396 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 15:20:54,401 INFO L206 MainTranslator]: Completed translation [2023-08-25 15:20:54,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:20:54 WrapperNode [2023-08-25 15:20:54,401 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 15:20:54,402 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 15:20:54,402 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 15:20:54,402 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 15:20:54,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:20:54" (1/1) ... [2023-08-25 15:20:54,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:20:54" (1/1) ... [2023-08-25 15:20:54,476 INFO L138 Inliner]: procedures = 176, calls = 66, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 319 [2023-08-25 15:20:54,476 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 15:20:54,477 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 15:20:54,477 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 15:20:54,477 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 15:20:54,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:20:54" (1/1) ... [2023-08-25 15:20:54,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:20:54" (1/1) ... [2023-08-25 15:20:54,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:20:54" (1/1) ... [2023-08-25 15:20:54,494 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:20:54" (1/1) ... [2023-08-25 15:20:54,513 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:20:54" (1/1) ... [2023-08-25 15:20:54,529 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:20:54" (1/1) ... [2023-08-25 15:20:54,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:20:54" (1/1) ... [2023-08-25 15:20:54,533 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:20:54" (1/1) ... [2023-08-25 15:20:54,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 15:20:54,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 15:20:54,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 15:20:54,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 15:20:54,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:20:54" (1/1) ... [2023-08-25 15:20:54,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 15:20:54,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 15:20:54,570 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) [2023-08-25 15:20:54,573 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 [2023-08-25 15:20:54,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 15:20:54,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 15:20:54,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 15:20:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 15:20:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 15:20:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 15:20:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-25 15:20:54,593 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-25 15:20:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-25 15:20:54,593 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-25 15:20:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-25 15:20:54,593 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-25 15:20:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 15:20:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 15:20:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 15:20:54,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 15:20:54,595 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-25 15:20:54,729 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 15:20:54,730 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 15:20:55,557 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 15:23:35,643 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 15:23:35,644 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 15:23:35,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:23:35 BoogieIcfgContainer [2023-08-25 15:23:35,646 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 15:23:35,648 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 15:23:35,648 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 15:23:35,650 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 15:23:35,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 03:20:53" (1/3) ... [2023-08-25 15:23:35,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39be9183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:23:35, skipping insertion in model container [2023-08-25 15:23:35,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:20:54" (2/3) ... [2023-08-25 15:23:35,651 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39be9183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:23:35, skipping insertion in model container [2023-08-25 15:23:35,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:23:35" (3/3) ... [2023-08-25 15:23:35,651 INFO L112 eAbstractionObserver]: Analyzing ICFG safe018_rmo.oepc.i [2023-08-25 15:23:35,663 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 15:23:35,663 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 183 error locations. [2023-08-25 15:23:35,663 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 15:23:58,886 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 15:23:58,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 320 places, 313 transitions, 641 flow [2023-08-25 15:24:26,336 INFO L124 PetriNetUnfolderBase]: 3/310 cut-off events. [2023-08-25 15:24:26,337 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 15:24:26,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 310 events. 3/310 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1545 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 255. Up to 2 conditions per place. [2023-08-25 15:24:26,342 INFO L82 GeneralOperation]: Start removeDead. Operand has 320 places, 313 transitions, 641 flow [2023-08-25 15:24:26,350 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 317 places, 310 transitions, 629 flow [2023-08-25 15:24:26,352 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 15:24:26,357 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 317 places, 310 transitions, 629 flow [2023-08-25 15:24:26,359 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 317 places, 310 transitions, 629 flow [2023-08-25 15:24:26,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 317 places, 310 transitions, 629 flow [2023-08-25 15:24:52,957 INFO L124 PetriNetUnfolderBase]: 3/310 cut-off events. [2023-08-25 15:24:52,957 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 15:24:52,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 310 events. 3/310 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1561 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 255. Up to 2 conditions per place. [2023-08-25 15:24:52,969 INFO L119 LiptonReduction]: Number of co-enabled transitions 39416 [2023-08-25 15:25:18,787 WARN L234 SmtUtils]: Spent 6.67s on a formula simplification. DAG size of input: 590 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:25:25,429 WARN L234 SmtUtils]: Spent 5.50s on a formula simplification. DAG size of input: 569 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:25:41,301 WARN L234 SmtUtils]: Spent 6.00s on a formula simplification. DAG size of input: 629 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:26:07,446 WARN L234 SmtUtils]: Spent 22.92s on a formula simplification. DAG size of input: 1276 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:26:44,404 WARN L234 SmtUtils]: Spent 36.94s on a formula simplification. DAG size of input: 1276 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:26:58,761 WARN L234 SmtUtils]: Spent 5.46s on a formula simplification. DAG size of input: 575 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:27:05,290 WARN L234 SmtUtils]: Spent 5.85s on a formula simplification. DAG size of input: 575 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:27:10,566 WARN L234 SmtUtils]: Spent 5.27s on a formula simplification. DAG size of input: 575 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:29:50,028 WARN L234 SmtUtils]: Spent 2.58m on a formula simplification. DAG size of input: 3846 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:30:30,776 WARN L234 SmtUtils]: Spent 40.74s on a formula simplification. DAG size of input: 2573 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:33:35,069 WARN L234 SmtUtils]: Spent 3.07m on a formula simplification. DAG size of input: 3632 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Received shutdown request... [2023-08-25 15:34:51,827 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 [2023-08-25 15:34:52,307 WARN L266 SmtUtils]: Removed 6 from assertion stack [2023-08-25 15:34:52,308 INFO L257 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction. Reason: Timeout or Toolchain cancelled by user [2023-08-25 15:34:52,309 INFO L158 Benchmark]: Toolchain (without parser) took 838354.62ms. Allocated memory was 369.1MB in the beginning and 15.0GB in the end (delta: 14.6GB). Free memory was 323.2MB in the beginning and 8.9GB in the end (delta: -8.6GB). Peak memory consumption was 11.6GB. Max. memory is 16.0GB. [2023-08-25 15:34:52,309 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 369.1MB. Free memory was 347.1MB in the beginning and 347.0MB in the end (delta: 82.7kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 15:34:52,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.67ms. Allocated memory is still 369.1MB. Free memory was 323.2MB in the beginning and 298.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. [2023-08-25 15:34:52,310 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.05ms. Allocated memory is still 369.1MB. Free memory was 298.1MB in the beginning and 294.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 15:34:52,310 INFO L158 Benchmark]: Boogie Preprocessor took 65.96ms. Allocated memory is still 369.1MB. Free memory was 294.9MB in the beginning and 289.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. [2023-08-25 15:34:52,311 INFO L158 Benchmark]: RCFGBuilder took 161103.25ms. Allocated memory was 369.1MB in the beginning and 14.3GB in the end (delta: 13.9GB). Free memory was 289.7MB in the beginning and 12.1GB in the end (delta: -11.8GB). Peak memory consumption was 4.2GB. Max. memory is 16.0GB. [2023-08-25 15:34:52,311 INFO L158 Benchmark]: TraceAbstraction took 676660.26ms. Allocated memory was 14.3GB in the beginning and 15.0GB in the end (delta: 652.2MB). Free memory was 12.1GB in the beginning and 8.9GB in the end (delta: 3.2GB). Peak memory consumption was 9.4GB. Max. memory is 16.0GB. [2023-08-25 15:34:52,313 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 369.1MB. Free memory was 347.1MB in the beginning and 347.0MB in the end (delta: 82.7kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 445.67ms. Allocated memory is still 369.1MB. Free memory was 323.2MB in the beginning and 298.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 74.05ms. Allocated memory is still 369.1MB. Free memory was 298.1MB in the beginning and 294.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 65.96ms. Allocated memory is still 369.1MB. Free memory was 294.9MB in the beginning and 289.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. * RCFGBuilder took 161103.25ms. Allocated memory was 369.1MB in the beginning and 14.3GB in the end (delta: 13.9GB). Free memory was 289.7MB in the beginning and 12.1GB in the end (delta: -11.8GB). Peak memory consumption was 4.2GB. Max. memory is 16.0GB. * TraceAbstraction took 676660.26ms. Allocated memory was 14.3GB in the beginning and 15.0GB in the end (delta: 652.2MB). Free memory was 12.1GB in the beginning and 8.9GB in the end (delta: 3.2GB). Peak memory consumption was 9.4GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 268]: Unsoundness Warning unspecified type, defaulting to int C: short [268] - GenericResultAtLocation [Line: 268]: Unsoundness Warning unspecified type, defaulting to int C: short [268] * 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 317 places, 310 transitions, 629 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 317 places, 310 transitions, 629 flow and 39416 co-enabled transitions pairs.,while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 3701 for 77225ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown