/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 PROGRAM_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 [2023-08-26 04:59:57,524 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 04:59:57,586 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 [2023-08-26 04:59:57,590 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 04:59:57,590 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 04:59:57,609 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 04:59:57,610 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 04:59:57,610 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 04:59:57,610 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 04:59:57,613 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 04:59:57,613 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 04:59:57,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 04:59:57,614 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 04:59:57,614 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 04:59:57,615 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 04:59:57,615 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 04:59:57,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 04:59:57,615 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 04:59:57,615 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 04:59:57,615 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 04:59:57,615 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 04:59:57,616 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 04:59:57,616 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 04:59:57,617 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 04:59:57,617 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 04:59:57,617 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 04:59:57,617 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 04:59:57,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 04:59:57,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 04:59:57,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 04:59:57,618 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 04:59:57,618 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 04:59:57,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 04:59:57,618 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 04:59:57,619 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 04:59:57,619 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-26 04:59:57,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 04:59:57,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 04:59:57,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 04:59:57,866 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 04:59:57,866 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 04:59:57,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_rmo.oepc.i [2023-08-26 04:59:58,853 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 04:59:59,069 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 04:59:59,069 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_rmo.oepc.i [2023-08-26 04:59:59,083 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/460741735/d8460d9cea744654868134403833769d/FLAG7a7ff1d5d [2023-08-26 04:59:59,093 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/460741735/d8460d9cea744654868134403833769d [2023-08-26 04:59:59,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 04:59:59,097 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 04:59:59,097 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 04:59:59,097 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 04:59:59,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 04:59:59,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 04:59:59" (1/1) ... [2023-08-26 04:59:59,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67967956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:59:59, skipping insertion in model container [2023-08-26 04:59:59,100 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 04:59:59" (1/1) ... [2023-08-26 04:59:59,147 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 04:59:59,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 04:59:59,425 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 04:59:59,453 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-08-26 04:59:59,454 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-08-26 04:59:59,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 04:59:59,535 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 04:59:59,535 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 04:59:59,539 INFO L206 MainTranslator]: Completed translation [2023-08-26 04:59:59,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:59:59 WrapperNode [2023-08-26 04:59:59,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 04:59:59,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 04:59:59,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 04:59:59,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 04:59:59,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:59:59" (1/1) ... [2023-08-26 04:59:59,573 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:59:59" (1/1) ... [2023-08-26 04:59:59,592 INFO L138 Inliner]: procedures = 176, calls = 66, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 319 [2023-08-26 04:59:59,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 04:59:59,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 04:59:59,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 04:59:59,593 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 04:59:59,598 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:59:59" (1/1) ... [2023-08-26 04:59:59,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:59:59" (1/1) ... [2023-08-26 04:59:59,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:59:59" (1/1) ... [2023-08-26 04:59:59,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:59:59" (1/1) ... [2023-08-26 04:59:59,615 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:59:59" (1/1) ... [2023-08-26 04:59:59,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:59:59" (1/1) ... [2023-08-26 04:59:59,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:59:59" (1/1) ... [2023-08-26 04:59:59,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:59:59" (1/1) ... [2023-08-26 04:59:59,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 04:59:59,627 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 04:59:59,627 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 04:59:59,627 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 04:59:59,627 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:59:59" (1/1) ... [2023-08-26 04:59:59,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 04:59:59,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 04:59:59,649 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) [2023-08-26 04:59:59,655 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 [2023-08-26 04:59:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-26 04:59:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 04:59:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-26 04:59:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 04:59:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 04:59:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 04:59:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-26 04:59:59,672 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-26 04:59:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-26 04:59:59,672 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-26 04:59:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-26 04:59:59,672 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-26 04:59:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 04:59:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-26 04:59:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 04:59:59,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 04:59:59,674 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-26 04:59:59,798 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 04:59:59,799 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 05:00:00,610 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 05:02:42,510 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 05:02:42,511 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-26 05:02:42,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 05:02:42 BoogieIcfgContainer [2023-08-26 05:02:42,514 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 05:02:42,516 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 05:02:42,516 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 05:02:42,518 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 05:02:42,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 04:59:59" (1/3) ... [2023-08-26 05:02:42,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d88bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 05:02:42, skipping insertion in model container [2023-08-26 05:02:42,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:59:59" (2/3) ... [2023-08-26 05:02:42,520 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d88bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 05:02:42, skipping insertion in model container [2023-08-26 05:02:42,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 05:02:42" (3/3) ... [2023-08-26 05:02:42,521 INFO L112 eAbstractionObserver]: Analyzing ICFG safe018_rmo.oepc.i [2023-08-26 05:02:42,535 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 05:02:42,536 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 183 error locations. [2023-08-26 05:02:42,536 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 05:03:03,870 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-26 05:03:03,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 320 places, 313 transitions, 641 flow [2023-08-26 05:03:30,886 INFO L124 PetriNetUnfolderBase]: 3/310 cut-off events. [2023-08-26 05:03:30,887 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 05:03:30,893 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. [2023-08-26 05:03:30,893 INFO L82 GeneralOperation]: Start removeDead. Operand has 320 places, 313 transitions, 641 flow [2023-08-26 05:03:30,905 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 317 places, 310 transitions, 629 flow [2023-08-26 05:03:30,907 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 05:03:30,916 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 317 places, 310 transitions, 629 flow [2023-08-26 05:03:30,922 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 317 places, 310 transitions, 629 flow [2023-08-26 05:03:30,923 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 317 places, 310 transitions, 629 flow [2023-08-26 05:03:57,347 INFO L124 PetriNetUnfolderBase]: 3/310 cut-off events. [2023-08-26 05:03:57,347 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 05:03:57,349 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. [2023-08-26 05:03:57,359 INFO L119 LiptonReduction]: Number of co-enabled transitions 39416 [2023-08-26 05:04:13,031 WARN L234 SmtUtils]: Spent 5.01s on a formula simplification. DAG size of input: 585 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:04:23,383 WARN L234 SmtUtils]: Spent 6.70s 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) [2023-08-26 05:04:30,048 WARN L234 SmtUtils]: Spent 5.51s 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) [2023-08-26 05:04:45,978 WARN L234 SmtUtils]: Spent 5.99s 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) [2023-08-26 05:05:12,209 WARN L234 SmtUtils]: Spent 23.00s 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) [2023-08-26 05:05:49,638 WARN L234 SmtUtils]: Spent 37.41s 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) [2023-08-26 05:06:04,148 WARN L234 SmtUtils]: Spent 5.47s 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) [2023-08-26 05:06:10,725 WARN L234 SmtUtils]: Spent 5.90s 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) [2023-08-26 05:06:15,987 WARN L234 SmtUtils]: Spent 5.26s 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) [2023-08-26 05:08:55,996 WARN L234 SmtUtils]: Spent 2.59m 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) [2023-08-26 05:09:36,706 WARN L234 SmtUtils]: Spent 40.70s 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) [2023-08-26 05:12:43,150 WARN L234 SmtUtils]: Spent 3.11m 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... [2023-08-26 05:13:56,833 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 [2023-08-26 05:13:57,021 WARN L266 SmtUtils]: Removed 4 from assertion stack [2023-08-26 05:13:57,022 INFO L257 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction. Reason: Timeout or Toolchain cancelled by user [2023-08-26 05:13:57,023 INFO L158 Benchmark]: Toolchain (without parser) took 837926.07ms. Allocated memory was 381.7MB in the beginning and 15.1GB in the end (delta: 14.7GB). Free memory was 355.8MB in the beginning and 9.6GB in the end (delta: -9.2GB). Peak memory consumption was 11.7GB. Max. memory is 16.0GB. [2023-08-26 05:13:57,023 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 381.7MB. Free memory was 359.1MB in the beginning and 359.0MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 05:13:57,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.81ms. Allocated memory is still 381.7MB. Free memory was 355.8MB in the beginning and 330.1MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. [2023-08-26 05:13:57,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.73ms. Allocated memory is still 381.7MB. Free memory was 330.1MB in the beginning and 326.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-26 05:13:57,024 INFO L158 Benchmark]: Boogie Preprocessor took 33.36ms. Allocated memory is still 381.7MB. Free memory was 326.8MB in the beginning and 321.7MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-26 05:13:57,025 INFO L158 Benchmark]: RCFGBuilder took 162887.65ms. Allocated memory was 381.7MB in the beginning and 14.2GB in the end (delta: 13.8GB). Free memory was 321.7MB in the beginning and 11.9GB in the end (delta: -11.6GB). Peak memory consumption was 5.5GB. Max. memory is 16.0GB. [2023-08-26 05:13:57,025 INFO L158 Benchmark]: TraceAbstraction took 674506.00ms. Allocated memory was 14.2GB in the beginning and 15.1GB in the end (delta: 832.6MB). Free memory was 11.9GB in the beginning and 9.6GB in the end (delta: 2.3GB). Peak memory consumption was 9.4GB. Max. memory is 16.0GB. [2023-08-26 05:13:57,027 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 381.7MB. Free memory was 359.1MB in the beginning and 359.0MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 442.81ms. Allocated memory is still 381.7MB. Free memory was 355.8MB in the beginning and 330.1MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 51.73ms. Allocated memory is still 381.7MB. Free memory was 330.1MB in the beginning and 326.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 33.36ms. Allocated memory is still 381.7MB. Free memory was 326.8MB in the beginning and 321.7MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 162887.65ms. Allocated memory was 381.7MB in the beginning and 14.2GB in the end (delta: 13.8GB). Free memory was 321.7MB in the beginning and 11.9GB in the end (delta: -11.6GB). Peak memory consumption was 5.5GB. Max. memory is 16.0GB. * TraceAbstraction took 674506.00ms. Allocated memory was 14.2GB in the beginning and 15.1GB in the end (delta: 832.6MB). Free memory was 11.9GB in the beginning and 9.6GB in the end (delta: 2.3GB). 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 73858ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown