/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/safe003_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 14:06:55,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 14:06:55,495 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 14:06:55,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 14:06:55,498 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 14:06:55,512 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 14:06:55,513 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 14:06:55,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 14:06:55,513 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 14:06:55,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 14:06:55,514 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 14:06:55,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 14:06:55,514 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 14:06:55,517 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 14:06:55,517 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 14:06:55,517 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 14:06:55,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 14:06:55,518 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 14:06:55,518 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 14:06:55,518 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 14:06:55,518 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 14:06:55,519 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 14:06:55,519 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 14:06:55,520 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 14:06:55,520 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 14:06:55,520 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 14:06:55,520 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 14:06:55,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 14:06:55,521 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 14:06:55,521 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 14:06:55,521 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 14:06:55,522 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 14:06:55,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 14:06:55,522 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 14:06:55,522 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 14:06:55,522 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 14:06:55,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 14:06:55,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 14:06:55,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 14:06:55,779 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 14:06:55,779 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 14:06:55,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe003_power.opt.i [2023-08-25 14:06:56,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 14:06:57,082 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 14:06:57,082 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe003_power.opt.i [2023-08-25 14:06:57,098 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe3c4946c/62fd4db03dae4a3ea0a60108498417f9/FLAGabc17da2d [2023-08-25 14:06:57,111 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe3c4946c/62fd4db03dae4a3ea0a60108498417f9 [2023-08-25 14:06:57,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 14:06:57,116 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 14:06:57,119 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 14:06:57,119 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 14:06:57,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 14:06:57,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:06:57" (1/1) ... [2023-08-25 14:06:57,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b4f42a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:06:57, skipping insertion in model container [2023-08-25 14:06:57,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:06:57" (1/1) ... [2023-08-25 14:06:57,164 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 14:06:57,485 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 14:06:57,492 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 14:06:57,517 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-25 14:06:57,518 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-25 14:06:57,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 14:06:57,583 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 14:06:57,584 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 14:06:57,588 INFO L206 MainTranslator]: Completed translation [2023-08-25 14:06:57,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:06:57 WrapperNode [2023-08-25 14:06:57,589 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 14:06:57,590 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 14:06:57,590 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 14:06:57,590 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 14:06:57,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:06:57" (1/1) ... [2023-08-25 14:06:57,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:06:57" (1/1) ... [2023-08-25 14:06:57,636 INFO L138 Inliner]: procedures = 176, calls = 74, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 566 [2023-08-25 14:06:57,637 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 14:06:57,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 14:06:57,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 14:06:57,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 14:06:57,643 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:06:57" (1/1) ... [2023-08-25 14:06:57,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:06:57" (1/1) ... [2023-08-25 14:06:57,649 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:06:57" (1/1) ... [2023-08-25 14:06:57,650 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:06:57" (1/1) ... [2023-08-25 14:06:57,670 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:06:57" (1/1) ... [2023-08-25 14:06:57,675 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:06:57" (1/1) ... [2023-08-25 14:06:57,678 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:06:57" (1/1) ... [2023-08-25 14:06:57,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:06:57" (1/1) ... [2023-08-25 14:06:57,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 14:06:57,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 14:06:57,688 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 14:06:57,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 14:06:57,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:06:57" (1/1) ... [2023-08-25 14:06:57,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 14:06:57,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 14:06:57,724 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 14:06:57,728 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 14:06:57,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 14:06:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 14:06:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 14:06:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 14:06:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 14:06:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 14:06:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-25 14:06:57,752 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-25 14:06:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-25 14:06:57,752 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-25 14:06:57,752 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-25 14:06:57,753 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-25 14:06:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 14:06:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 14:06:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 14:06:57,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 14:06:57,754 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 14:06:57,895 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 14:06:57,896 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 14:06:59,039 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 14:09:21,043 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 14:09:21,043 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 14:09:21,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:09:21 BoogieIcfgContainer [2023-08-25 14:09:21,045 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 14:09:21,047 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 14:09:21,047 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 14:09:21,049 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 14:09:21,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 02:06:57" (1/3) ... [2023-08-25 14:09:21,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4942045e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:09:21, skipping insertion in model container [2023-08-25 14:09:21,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:06:57" (2/3) ... [2023-08-25 14:09:21,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4942045e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:09:21, skipping insertion in model container [2023-08-25 14:09:21,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:09:21" (3/3) ... [2023-08-25 14:09:21,050 INFO L112 eAbstractionObserver]: Analyzing ICFG safe003_power.opt.i [2023-08-25 14:09:21,061 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 14:09:21,061 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 307 error locations. [2023-08-25 14:09:21,061 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 14:09:40,641 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 14:09:40,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 447 places, 440 transitions, 895 flow [2023-08-25 14:09:55,969 INFO L124 PetriNetUnfolderBase]: 3/437 cut-off events. [2023-08-25 14:09:55,970 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 14:09:55,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 447 conditions, 437 events. 3/437 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 2723 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 382. Up to 2 conditions per place. [2023-08-25 14:09:55,978 INFO L82 GeneralOperation]: Start removeDead. Operand has 447 places, 440 transitions, 895 flow [2023-08-25 14:09:55,992 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 444 places, 437 transitions, 883 flow [2023-08-25 14:09:55,994 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 14:09:55,999 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 444 places, 437 transitions, 883 flow [2023-08-25 14:09:56,001 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 444 places, 437 transitions, 883 flow [2023-08-25 14:09:56,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 444 places, 437 transitions, 883 flow [2023-08-25 14:10:10,945 INFO L124 PetriNetUnfolderBase]: 3/437 cut-off events. [2023-08-25 14:10:10,946 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 14:10:10,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 447 conditions, 437 events. 3/437 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 2717 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 382. Up to 2 conditions per place. [2023-08-25 14:10:10,971 INFO L119 LiptonReduction]: Number of co-enabled transitions 90888 Received shutdown request... [2023-08-25 14:21:19,270 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 14:21:20,332 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 14:21:20,336 INFO L158 Benchmark]: Toolchain (without parser) took 863218.65ms. Allocated memory was 394.3MB in the beginning and 13.7GB in the end (delta: 13.3GB). Free memory was 349.7MB in the beginning and 11.2GB in the end (delta: -10.8GB). Peak memory consumption was 7.0GB. Max. memory is 16.0GB. [2023-08-25 14:21:20,336 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 394.3MB. Free memory is still 372.1MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 14:21:20,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.88ms. Allocated memory is still 394.3MB. Free memory was 349.7MB in the beginning and 320.0MB in the end (delta: 29.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. [2023-08-25 14:21:20,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.38ms. Allocated memory is still 394.3MB. Free memory was 320.0MB in the beginning and 315.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 14:21:20,337 INFO L158 Benchmark]: Boogie Preprocessor took 49.98ms. Allocated memory is still 394.3MB. Free memory was 315.8MB in the beginning and 309.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. [2023-08-25 14:21:20,338 INFO L158 Benchmark]: RCFGBuilder took 143357.68ms. Allocated memory was 394.3MB in the beginning and 12.9GB in the end (delta: 12.6GB). Free memory was 309.6MB in the beginning and 11.2GB in the end (delta: -10.9GB). Peak memory consumption was 4.3GB. Max. memory is 16.0GB. [2023-08-25 14:21:20,338 INFO L158 Benchmark]: TraceAbstraction took 719287.84ms. Allocated memory was 12.9GB in the beginning and 13.7GB in the end (delta: 786.4MB). Free memory was 11.2GB in the beginning and 11.2GB in the end (delta: 6.0MB). Peak memory consumption was 5.3GB. Max. memory is 16.0GB. [2023-08-25 14:21:20,340 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 394.3MB. Free memory is still 372.1MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 469.88ms. Allocated memory is still 394.3MB. Free memory was 349.7MB in the beginning and 320.0MB in the end (delta: 29.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 47.38ms. Allocated memory is still 394.3MB. Free memory was 320.0MB in the beginning and 315.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 49.98ms. Allocated memory is still 394.3MB. Free memory was 315.8MB in the beginning and 309.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. * RCFGBuilder took 143357.68ms. Allocated memory was 394.3MB in the beginning and 12.9GB in the end (delta: 12.6GB). Free memory was 309.6MB in the beginning and 11.2GB in the end (delta: -10.9GB). Peak memory consumption was 4.3GB. Max. memory is 16.0GB. * TraceAbstraction took 719287.84ms. Allocated memory was 12.9GB in the beginning and 13.7GB in the end (delta: 786.4MB). Free memory was 11.2GB in the beginning and 11.2GB in the end (delta: 6.0MB). Peak memory consumption was 5.3GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] * 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