/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_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-26 04:57:24,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 04:57:24,961 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 04:57:24,964 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 04:57:24,965 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 04:57:24,988 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 04:57:24,988 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 04:57:24,988 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 04:57:24,989 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 04:57:24,992 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 04:57:24,992 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 04:57:24,992 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 04:57:24,992 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 04:57:24,993 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 04:57:24,993 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 04:57:24,994 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 04:57:24,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 04:57:24,994 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 04:57:24,994 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 04:57:24,994 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 04:57:24,994 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 04:57:24,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 04:57:24,995 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 04:57:24,995 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 04:57:24,995 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 04:57:24,995 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 04:57:24,996 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 04:57:24,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 04:57:24,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 04:57:24,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 04:57:24,997 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 04:57:24,997 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 04:57:24,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 04:57:24,997 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 04:57:24,998 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 04:57:24,998 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-26 04:57:25,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 04:57:25,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 04:57:25,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 04:57:25,265 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 04:57:25,266 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 04:57:25,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_power.oepc.i [2023-08-26 04:57:26,281 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 04:57:26,490 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 04:57:26,491 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_power.oepc.i [2023-08-26 04:57:26,516 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c882f8b05/9ebd4ca0ce8e4f73b540f98928a47bf0/FLAG3d09b52c9 [2023-08-26 04:57:26,526 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c882f8b05/9ebd4ca0ce8e4f73b540f98928a47bf0 [2023-08-26 04:57:26,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 04:57:26,530 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 04:57:26,531 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 04:57:26,532 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 04:57:26,533 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 04:57:26,534 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 04:57:26" (1/1) ... [2023-08-26 04:57:26,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9c0f8f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:57:26, skipping insertion in model container [2023-08-26 04:57:26,535 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 04:57:26" (1/1) ... [2023-08-26 04:57:26,579 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 04:57:26,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 04:57:26,902 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 04:57:26,925 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-08-26 04:57:26,926 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-08-26 04:57:26,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 04:57:27,002 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 04:57:27,002 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 04:57:27,007 INFO L206 MainTranslator]: Completed translation [2023-08-26 04:57:27,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:57:27 WrapperNode [2023-08-26 04:57:27,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 04:57:27,008 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 04:57:27,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 04:57:27,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 04:57:27,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:57:27" (1/1) ... [2023-08-26 04:57:27,050 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:57:27" (1/1) ... [2023-08-26 04:57:27,082 INFO L138 Inliner]: procedures = 176, calls = 68, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 319 [2023-08-26 04:57:27,082 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 04:57:27,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 04:57:27,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 04:57:27,083 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 04:57:27,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:57:27" (1/1) ... [2023-08-26 04:57:27,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:57:27" (1/1) ... [2023-08-26 04:57:27,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:57:27" (1/1) ... [2023-08-26 04:57:27,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:57:27" (1/1) ... [2023-08-26 04:57:27,117 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:57:27" (1/1) ... [2023-08-26 04:57:27,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:57:27" (1/1) ... [2023-08-26 04:57:27,123 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:57:27" (1/1) ... [2023-08-26 04:57:27,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:57:27" (1/1) ... [2023-08-26 04:57:27,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 04:57:27,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 04:57:27,131 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 04:57:27,131 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 04:57:27,131 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:57:27" (1/1) ... [2023-08-26 04:57:27,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 04:57:27,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 04:57:27,162 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 04:57:27,171 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 04:57:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-26 04:57:27,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 04:57:27,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-26 04:57:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 04:57:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 04:57:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 04:57:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-26 04:57:27,197 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-26 04:57:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-26 04:57:27,197 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-26 04:57:27,197 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-26 04:57:27,197 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-26 04:57:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 04:57:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-26 04:57:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 04:57:27,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 04:57:27,200 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 04:57:27,328 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 04:57:27,329 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 04:57:28,183 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 05:05:36,374 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 05:05:36,375 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-26 05:05:36,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 05:05:36 BoogieIcfgContainer [2023-08-26 05:05:36,378 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 05:05:36,396 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 05:05:36,396 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 05:05:36,398 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 05:05:36,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 04:57:26" (1/3) ... [2023-08-26 05:05:36,399 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8755e70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 05:05:36, skipping insertion in model container [2023-08-26 05:05:36,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:57:27" (2/3) ... [2023-08-26 05:05:36,399 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8755e70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 05:05:36, skipping insertion in model container [2023-08-26 05:05:36,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 05:05:36" (3/3) ... [2023-08-26 05:05:36,400 INFO L112 eAbstractionObserver]: Analyzing ICFG safe018_power.oepc.i [2023-08-26 05:05:36,426 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 05:05:36,427 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 232 error locations. [2023-08-26 05:05:36,427 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 05:06:07,124 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-26 05:06:07,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 369 places, 362 transitions, 739 flow [2023-08-26 05:07:34,000 INFO L124 PetriNetUnfolderBase]: 3/359 cut-off events. [2023-08-26 05:07:34,000 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 05:07:34,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 369 conditions, 359 events. 3/359 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 2150 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 304. Up to 2 conditions per place. [2023-08-26 05:07:34,008 INFO L82 GeneralOperation]: Start removeDead. Operand has 369 places, 362 transitions, 739 flow [2023-08-26 05:07:34,018 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 366 places, 359 transitions, 727 flow [2023-08-26 05:07:34,019 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 05:07:34,025 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 366 places, 359 transitions, 727 flow [2023-08-26 05:07:34,026 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 366 places, 359 transitions, 727 flow [2023-08-26 05:07:34,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 366 places, 359 transitions, 727 flow [2023-08-26 05:08:58,302 INFO L124 PetriNetUnfolderBase]: 3/359 cut-off events. [2023-08-26 05:08:58,303 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 05:08:58,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 369 conditions, 359 events. 3/359 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 2150 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 304. Up to 2 conditions per place. [2023-08-26 05:08:58,319 INFO L119 LiptonReduction]: Number of co-enabled transitions 53430 [2023-08-26 05:09:30,682 WARN L234 SmtUtils]: Spent 5.60s on a formula simplification. DAG size of input: 765 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:09:36,314 WARN L234 SmtUtils]: Spent 5.62s on a formula simplification. DAG size of input: 1338 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:09:58,166 WARN L234 SmtUtils]: Spent 21.85s on a formula simplification. DAG size of input: 1563 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:10:36,169 WARN L234 SmtUtils]: Spent 7.05s on a formula simplification. DAG size of input: 2172 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 05:11:12,305 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 05:11:12,395 WARN L266 SmtUtils]: Removed 3 from assertion stack [2023-08-26 05:11:12,395 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 05:11:12,398 INFO L158 Benchmark]: Toolchain (without parser) took 825866.99ms. Allocated memory was 348.1MB in the beginning and 15.4GB in the end (delta: 15.0GB). Free memory was 323.0MB in the beginning and 4.2GB in the end (delta: -3.9GB). Peak memory consumption was 12.5GB. Max. memory is 16.0GB. [2023-08-26 05:11:12,398 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 348.1MB. Free memory is still 325.4MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 05:11:12,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.09ms. Allocated memory is still 348.1MB. Free memory was 322.6MB in the beginning and 295.7MB in the end (delta: 26.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. [2023-08-26 05:11:12,399 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.06ms. Allocated memory is still 348.1MB. Free memory was 295.7MB in the beginning and 292.2MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-26 05:11:12,400 INFO L158 Benchmark]: Boogie Preprocessor took 47.35ms. Allocated memory is still 348.1MB. Free memory was 292.2MB in the beginning and 286.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. [2023-08-26 05:11:12,400 INFO L158 Benchmark]: RCFGBuilder took 489247.60ms. Allocated memory was 348.1MB in the beginning and 14.7GB in the end (delta: 14.4GB). Free memory was 286.9MB in the beginning and 11.6GB in the end (delta: -11.3GB). Peak memory consumption was 6.7GB. Max. memory is 16.0GB. [2023-08-26 05:11:12,402 INFO L158 Benchmark]: TraceAbstraction took 336000.41ms. Allocated memory was 14.7GB in the beginning and 15.4GB in the end (delta: 650.1MB). Free memory was 11.6GB in the beginning and 4.2GB in the end (delta: 7.4GB). Peak memory consumption was 9.4GB. Max. memory is 16.0GB. [2023-08-26 05:11:12,414 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 348.1MB. Free memory is still 325.4MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 476.09ms. Allocated memory is still 348.1MB. Free memory was 322.6MB in the beginning and 295.7MB in the end (delta: 26.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 74.06ms. Allocated memory is still 348.1MB. Free memory was 295.7MB in the beginning and 292.2MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 47.35ms. Allocated memory is still 348.1MB. Free memory was 292.2MB in the beginning and 286.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. * RCFGBuilder took 489247.60ms. Allocated memory was 348.1MB in the beginning and 14.7GB in the end (delta: 14.4GB). Free memory was 286.9MB in the beginning and 11.6GB in the end (delta: -11.3GB). Peak memory consumption was 6.7GB. Max. memory is 16.0GB. * TraceAbstraction took 336000.41ms. Allocated memory was 14.7GB in the beginning and 15.4GB in the end (delta: 650.1MB). Free memory was 11.6GB in the beginning and 4.2GB in the end (delta: 7.4GB). 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 366 places, 359 transitions, 727 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 366 places, 359 transitions, 727 flow and 53430 co-enabled transitions pairs.,while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 2479 for 36217ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown