/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 -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/goblint-regression/09-regions_23-evilcollapse_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 03:44:53,722 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 03:44:53,796 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 03:44:53,800 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 03:44:53,801 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 03:44:53,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 03:44:53,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 03:44:53,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 03:44:53,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 03:44:53,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 03:44:53,845 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 03:44:53,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 03:44:53,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 03:44:53,845 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 03:44:53,846 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 03:44:53,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 03:44:53,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 03:44:53,847 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 03:44:53,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 03:44:53,847 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 03:44:53,848 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 03:44:53,849 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 03:44:53,849 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 03:44:53,852 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 03:44:53,853 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 03:44:53,853 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 03:44:53,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 03:44:53,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:44:53,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 03:44:53,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 03:44:53,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 03:44:53,855 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 03:44:53,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 03:44:53,855 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 03:44:53,855 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 03:44:53,856 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 03:44:54,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 03:44:54,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 03:44:54,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 03:44:54,172 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 03:44:54,173 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 03:44:54,174 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_23-evilcollapse_rc.i [2023-08-25 03:44:55,453 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 03:44:55,741 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 03:44:55,742 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_23-evilcollapse_rc.i [2023-08-25 03:44:55,761 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d492d655a/1c75efa518964c33970852886b216242/FLAG09da6363a [2023-08-25 03:44:55,777 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d492d655a/1c75efa518964c33970852886b216242 [2023-08-25 03:44:55,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 03:44:55,783 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 03:44:55,784 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 03:44:55,784 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 03:44:55,786 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 03:44:55,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:44:55" (1/1) ... [2023-08-25 03:44:55,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c452486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:55, skipping insertion in model container [2023-08-25 03:44:55,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:44:55" (1/1) ... [2023-08-25 03:44:55,845 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 03:44:56,236 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 03:44:56,237 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 03:44:56,237 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 03:44:56,238 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 03:44:56,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:44:56,270 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 03:44:56,285 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [249] [2023-08-25 03:44:56,286 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [249] [2023-08-25 03:44:56,304 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 03:44:56,305 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 03:44:56,306 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 03:44:56,306 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 03:44:56,318 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:44:56,366 INFO L206 MainTranslator]: Completed translation [2023-08-25 03:44:56,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:56 WrapperNode [2023-08-25 03:44:56,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 03:44:56,367 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 03:44:56,367 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 03:44:56,367 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 03:44:56,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:56" (1/1) ... [2023-08-25 03:44:56,397 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:56" (1/1) ... [2023-08-25 03:44:56,444 INFO L138 Inliner]: procedures = 272, calls = 38, calls flagged for inlining = 10, calls inlined = 11, statements flattened = 273 [2023-08-25 03:44:56,444 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 03:44:56,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 03:44:56,445 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 03:44:56,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 03:44:56,452 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:56" (1/1) ... [2023-08-25 03:44:56,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:56" (1/1) ... [2023-08-25 03:44:56,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:56" (1/1) ... [2023-08-25 03:44:56,458 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:56" (1/1) ... [2023-08-25 03:44:56,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:56" (1/1) ... [2023-08-25 03:44:56,480 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:56" (1/1) ... [2023-08-25 03:44:56,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:56" (1/1) ... [2023-08-25 03:44:56,484 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:56" (1/1) ... [2023-08-25 03:44:56,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 03:44:56,489 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 03:44:56,489 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 03:44:56,489 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 03:44:56,489 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:56" (1/1) ... [2023-08-25 03:44:56,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:44:56,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 03:44:56,523 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 03:44:56,529 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 03:44:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-08-25 03:44:56,551 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-08-25 03:44:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 03:44:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-25 03:44:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 03:44:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 03:44:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 03:44:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 03:44:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-25 03:44:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 03:44:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-25 03:44:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 03:44:56,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 03:44:56,553 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 03:44:56,679 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 03:44:56,680 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 03:44:57,210 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 03:44:57,223 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 03:44:57,223 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-25 03:44:57,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:44:57 BoogieIcfgContainer [2023-08-25 03:44:57,226 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 03:44:57,229 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 03:44:57,229 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 03:44:57,232 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 03:44:57,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 03:44:55" (1/3) ... [2023-08-25 03:44:57,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ea200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:44:57, skipping insertion in model container [2023-08-25 03:44:57,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:56" (2/3) ... [2023-08-25 03:44:57,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ea200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:44:57, skipping insertion in model container [2023-08-25 03:44:57,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:44:57" (3/3) ... [2023-08-25 03:44:57,236 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_23-evilcollapse_rc.i [2023-08-25 03:44:57,252 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 03:44:57,252 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-08-25 03:44:57,252 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 03:44:57,368 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 03:44:57,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 359 places, 368 transitions, 746 flow [2023-08-25 03:44:57,548 INFO L124 PetriNetUnfolderBase]: 16/366 cut-off events. [2023-08-25 03:44:57,548 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:44:57,556 INFO L83 FinitePrefix]: Finished finitePrefix Result has 373 conditions, 366 events. 16/366 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 651 event pairs, 0 based on Foata normal form. 0/328 useless extension candidates. Maximal degree in co-relation 291. Up to 2 conditions per place. [2023-08-25 03:44:57,556 INFO L82 GeneralOperation]: Start removeDead. Operand has 359 places, 368 transitions, 746 flow [2023-08-25 03:44:57,567 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 357 places, 366 transitions, 738 flow [2023-08-25 03:44:57,570 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 03:44:57,582 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 357 places, 366 transitions, 738 flow [2023-08-25 03:44:57,585 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 357 places, 366 transitions, 738 flow [2023-08-25 03:44:57,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 357 places, 366 transitions, 738 flow [2023-08-25 03:44:57,648 INFO L124 PetriNetUnfolderBase]: 16/366 cut-off events. [2023-08-25 03:44:57,649 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:44:57,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 373 conditions, 366 events. 16/366 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 649 event pairs, 0 based on Foata normal form. 0/328 useless extension candidates. Maximal degree in co-relation 291. Up to 2 conditions per place. [2023-08-25 03:44:57,661 INFO L119 LiptonReduction]: Number of co-enabled transitions 12194 [2023-08-25 03:45:44,863 WARN L234 SmtUtils]: Spent 10.72s on a formula simplification that was a NOOP. DAG size: 132 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:45:50,687 WARN L234 SmtUtils]: Spent 5.82s on a formula simplification that was a NOOP. DAG size: 122 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:46:01,161 WARN L234 SmtUtils]: Spent 10.47s on a formula simplification that was a NOOP. DAG size: 132 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:46:06,755 WARN L234 SmtUtils]: Spent 5.59s on a formula simplification that was a NOOP. DAG size: 122 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:48:49,272 WARN L234 SmtUtils]: Spent 2.53m on a formula simplification that was a NOOP. DAG size: 263 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:50:43,274 WARN L234 SmtUtils]: Spent 1.90m on a formula simplification that was a NOOP. DAG size: 249 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:52:39,391 WARN L234 SmtUtils]: Spent 1.94m on a formula simplification that was a NOOP. DAG size: 263 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:54:21,338 WARN L234 SmtUtils]: Spent 1.70m on a formula simplification that was a NOOP. DAG size: 249 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:56:39,811 WARN L234 SmtUtils]: Spent 2.31m on a formula simplification that was a NOOP. DAG size: 252 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:58:55,052 WARN L234 SmtUtils]: Spent 2.25m on a formula simplification that was a NOOP. DAG size: 252 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Received shutdown request... [2023-08-25 03:59:38,187 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 03:59:39,388 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-08-25 03:59:39,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 [2023-08-25 03:59:39,444 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Not enough levels on assertion stack at de.uni_freiburg.informatik.ultimate.logic.NoopScript.pop(NoopScript.java:272) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:138) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.UndoableWrapperScript.pop(UndoableWrapperScript.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.UndoableWrapperScript.restore(UndoableWrapperScript.java:87) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:264) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:167) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition(TransFormulaUtils.java:278) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IcfgEdgeBuilder.constructSequentialComposition(IcfgEdgeBuilder.java:118) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.petrinetlbe.IcfgCompositionFactory.composeSequential(IcfgCompositionFactory.java:97) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.petrinetlbe.IcfgCompositionFactory.composeSequential(IcfgCompositionFactory.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.sequenceRule(LiptonReduction.java:316) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.(LiptonReduction.java:129) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.petrinetlbe.PetriNetLargeBlockEncoding.(PetriNetLargeBlockEncoding.java:133) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.PetriLbeInitialAbstractionProvider.getInitialAbstraction(PetriLbeInitialAbstractionProvider.java:95) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.PetriLbeInitialAbstractionProvider.getInitialAbstraction(PetriLbeInitialAbstractionProvider.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopFactory.constructInitialAbstraction(CegarLoopFactory.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopFactory.createPetriAbstraction(CegarLoopFactory.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopFactory.constructCegarLoop(CegarLoopFactory.java:187) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-25 03:59:39,447 INFO L158 Benchmark]: Toolchain (without parser) took 883663.54ms. Allocated memory was 392.2MB in the beginning and 580.9MB in the end (delta: 188.7MB). Free memory was 348.1MB in the beginning and 340.2MB in the end (delta: 7.9MB). Peak memory consumption was 247.9MB. Max. memory is 16.0GB. [2023-08-25 03:59:39,447 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 392.2MB. Free memory was 370.1MB in the beginning and 370.0MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 03:59:39,448 INFO L158 Benchmark]: CACSL2BoogieTranslator took 582.56ms. Allocated memory is still 392.2MB. Free memory was 348.1MB in the beginning and 317.7MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. [2023-08-25 03:59:39,448 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.21ms. Allocated memory is still 392.2MB. Free memory was 317.7MB in the beginning and 313.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 03:59:39,449 INFO L158 Benchmark]: Boogie Preprocessor took 43.18ms. Allocated memory is still 392.2MB. Free memory was 313.5MB in the beginning and 310.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 03:59:39,449 INFO L158 Benchmark]: RCFGBuilder took 737.55ms. Allocated memory is still 392.2MB. Free memory was 309.3MB in the beginning and 275.8MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.0GB. [2023-08-25 03:59:39,450 INFO L158 Benchmark]: TraceAbstraction took 882216.88ms. Allocated memory was 392.2MB in the beginning and 580.9MB in the end (delta: 188.7MB). Free memory was 274.7MB in the beginning and 340.2MB in the end (delta: -65.5MB). Peak memory consumption was 174.5MB. Max. memory is 16.0GB. [2023-08-25 03:59:39,452 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 392.2MB. Free memory was 370.1MB in the beginning and 370.0MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 582.56ms. Allocated memory is still 392.2MB. Free memory was 348.1MB in the beginning and 317.7MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 77.21ms. Allocated memory is still 392.2MB. Free memory was 317.7MB in the beginning and 313.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 43.18ms. Allocated memory is still 392.2MB. Free memory was 313.5MB in the beginning and 310.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 737.55ms. Allocated memory is still 392.2MB. Free memory was 309.3MB in the beginning and 275.8MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.0GB. * TraceAbstraction took 882216.88ms. Allocated memory was 392.2MB in the beginning and 580.9MB in the end (delta: 188.7MB). Free memory was 274.7MB in the beginning and 340.2MB in the end (delta: -65.5MB). Peak memory consumption was 174.5MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 249]: Unsoundness Warning unspecified type, defaulting to int C: short [249] - GenericResultAtLocation [Line: 249]: Unsoundness Warning unspecified type, defaulting to int C: short [249] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Not enough levels on assertion stack de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Not enough levels on assertion stack: de.uni_freiburg.informatik.ultimate.logic.NoopScript.pop(NoopScript.java:272) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown