/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/safe012_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 14:49:41,772 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 14:49:41,853 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 14:49:41,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 14:49:41,861 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 14:49:41,892 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 14:49:41,893 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 14:49:41,893 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 14:49:41,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 14:49:41,897 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 14:49:41,898 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 14:49:41,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 14:49:41,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 14:49:41,899 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 14:49:41,899 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 14:49:41,900 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 14:49:41,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 14:49:41,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 14:49:41,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 14:49:41,900 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 14:49:41,901 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 14:49:41,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 14:49:41,902 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 14:49:41,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 14:49:41,902 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 14:49:41,903 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 14:49:41,903 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 14:49:41,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 14:49:41,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 14:49:41,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 14:49:41,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 14:49:41,904 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 14:49:41,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 14:49:41,905 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 14:49:41,905 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 14:49:41,905 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 14:49:42,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 14:49:42,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 14:49:42,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 14:49:42,222 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 14:49:42,223 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 14:49:42,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe012_rmo.oepc.i [2023-08-25 14:49:43,379 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 14:49:43,649 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 14:49:43,650 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe012_rmo.oepc.i [2023-08-25 14:49:43,664 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5109d8c61/865f68e19e424c1c84199c0cf8f55004/FLAG25d94ca3f [2023-08-25 14:49:43,676 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5109d8c61/865f68e19e424c1c84199c0cf8f55004 [2023-08-25 14:49:43,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 14:49:43,679 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 14:49:43,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 14:49:43,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 14:49:43,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 14:49:43,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:49:43" (1/1) ... [2023-08-25 14:49:43,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39dc2902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:49:43, skipping insertion in model container [2023-08-25 14:49:43,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:49:43" (1/1) ... [2023-08-25 14:49:43,737 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 14:49:44,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 14:49:44,141 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 14:49:44,170 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-08-25 14:49:44,172 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-08-25 14:49:44,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 14:49:44,263 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 14:49:44,263 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 14:49:44,269 INFO L206 MainTranslator]: Completed translation [2023-08-25 14:49:44,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:49:44 WrapperNode [2023-08-25 14:49:44,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 14:49:44,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 14:49:44,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 14:49:44,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 14:49:44,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:49:44" (1/1) ... [2023-08-25 14:49:44,298 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:49:44" (1/1) ... [2023-08-25 14:49:44,321 INFO L138 Inliner]: procedures = 176, calls = 68, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 320 [2023-08-25 14:49:44,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 14:49:44,328 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 14:49:44,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 14:49:44,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 14:49:44,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:49:44" (1/1) ... [2023-08-25 14:49:44,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:49:44" (1/1) ... [2023-08-25 14:49:44,346 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:49:44" (1/1) ... [2023-08-25 14:49:44,347 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:49:44" (1/1) ... [2023-08-25 14:49:44,368 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:49:44" (1/1) ... [2023-08-25 14:49:44,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:49:44" (1/1) ... [2023-08-25 14:49:44,377 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:49:44" (1/1) ... [2023-08-25 14:49:44,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:49:44" (1/1) ... [2023-08-25 14:49:44,385 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 14:49:44,386 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 14:49:44,386 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 14:49:44,386 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 14:49:44,386 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:49:44" (1/1) ... [2023-08-25 14:49:44,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 14:49:44,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 14:49:44,413 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 14:49:44,439 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 14:49:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 14:49:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 14:49:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 14:49:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 14:49:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 14:49:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 14:49:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-25 14:49:44,452 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-25 14:49:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-25 14:49:44,452 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-25 14:49:44,452 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-25 14:49:44,453 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-25 14:49:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 14:49:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 14:49:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 14:49:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 14:49:44,456 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 14:49:44,653 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 14:49:44,654 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 14:49:45,666 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 14:54:00,918 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 14:54:00,918 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 14:54:00,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:54:00 BoogieIcfgContainer [2023-08-25 14:54:00,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 14:54:00,923 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 14:54:00,923 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 14:54:00,926 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 14:54:00,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 02:49:43" (1/3) ... [2023-08-25 14:54:00,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e4de5f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:54:00, skipping insertion in model container [2023-08-25 14:54:00,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:49:44" (2/3) ... [2023-08-25 14:54:00,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e4de5f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:54:00, skipping insertion in model container [2023-08-25 14:54:00,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:54:00" (3/3) ... [2023-08-25 14:54:00,928 INFO L112 eAbstractionObserver]: Analyzing ICFG safe012_rmo.oepc.i [2023-08-25 14:54:00,943 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 14:54:00,943 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 184 error locations. [2023-08-25 14:54:00,944 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 14:54:20,240 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 14:54:20,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 323 places, 316 transitions, 647 flow [2023-08-25 14:55:08,453 INFO L124 PetriNetUnfolderBase]: 3/313 cut-off events. [2023-08-25 14:55:08,453 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 14:55:08,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 323 conditions, 313 events. 3/313 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1506 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 257. Up to 2 conditions per place. [2023-08-25 14:55:08,466 INFO L82 GeneralOperation]: Start removeDead. Operand has 323 places, 316 transitions, 647 flow [2023-08-25 14:55:08,481 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 320 places, 313 transitions, 635 flow [2023-08-25 14:55:08,484 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 14:55:08,492 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 320 places, 313 transitions, 635 flow [2023-08-25 14:55:08,495 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 320 places, 313 transitions, 635 flow [2023-08-25 14:55:08,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 320 places, 313 transitions, 635 flow [2023-08-25 14:55:55,432 INFO L124 PetriNetUnfolderBase]: 3/313 cut-off events. [2023-08-25 14:55:55,433 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 14:55:55,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 323 conditions, 313 events. 3/313 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1506 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 257. Up to 2 conditions per place. [2023-08-25 14:55:55,450 INFO L119 LiptonReduction]: Number of co-enabled transitions 40360 [2023-08-25 14:56:40,604 WARN L234 SmtUtils]: Spent 5.33s on a formula simplification. DAG size of input: 1481 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 14:57:02,695 WARN L234 SmtUtils]: Spent 6.40s on a formula simplification. DAG size of input: 2670 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 14:57:15,841 WARN L234 SmtUtils]: Spent 11.41s on a formula simplification. DAG size of input: 2683 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 14:57:32,922 WARN L234 SmtUtils]: Spent 17.07s on a formula simplification. DAG size of input: 2818 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 14:58:00,335 WARN L234 SmtUtils]: Spent 15.18s on a formula simplification. DAG size of input: 2580 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 14:58:12,128 WARN L234 SmtUtils]: Spent 11.79s on a formula simplification. DAG size of input: 3113 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 14:58:29,280 WARN L234 SmtUtils]: Spent 17.14s on a formula simplification. DAG size of input: 2821 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 14:58:47,057 WARN L234 SmtUtils]: Spent 17.77s on a formula simplification. DAG size of input: 2821 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 14:59:01,985 WARN L234 SmtUtils]: Spent 14.92s on a formula simplification. DAG size of input: 2652 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 14:59:43,524 WARN L234 SmtUtils]: Spent 41.53s on a formula simplification. DAG size of input: 5057 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:00:15,340 WARN L234 SmtUtils]: Spent 31.81s on a formula simplification. DAG size of input: 4527 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:02:08,629 WARN L234 SmtUtils]: Spent 1.89m on a formula simplification. DAG size of input: 7705 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:03:08,748 WARN L234 SmtUtils]: Spent 1.00m on a formula simplification. DAG size of input: 5285 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Received shutdown request... [2023-08-25 15:03:18,873 WARN L266 SmtUtils]: Removed 3 from assertion stack [2023-08-25 15:03:18,873 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-08-25 15:03:18,873 INFO L257 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction. Reason: Timeout or Toolchain cancelled by user [2023-08-25 15:03:18,874 INFO L158 Benchmark]: Toolchain (without parser) took 815195.68ms. Allocated memory was 379.6MB in the beginning and 15.1GB in the end (delta: 14.7GB). Free memory was 354.6MB in the beginning and 7.8GB in the end (delta: -7.5GB). Peak memory consumption was 11.1GB. Max. memory is 16.0GB. [2023-08-25 15:03:18,875 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 379.6MB. Free memory is still 356.5MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 15:03:18,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 590.42ms. Allocated memory is still 379.6MB. Free memory was 354.2MB in the beginning and 328.5MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. [2023-08-25 15:03:18,876 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.27ms. Allocated memory is still 379.6MB. Free memory was 328.5MB in the beginning and 325.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 15:03:18,876 INFO L158 Benchmark]: Boogie Preprocessor took 57.43ms. Allocated memory is still 379.6MB. Free memory was 325.3MB in the beginning and 321.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 15:03:18,877 INFO L158 Benchmark]: RCFGBuilder took 256535.17ms. Allocated memory was 379.6MB in the beginning and 14.7GB in the end (delta: 14.3GB). Free memory was 320.6MB in the beginning and 12.7GB in the end (delta: -12.3GB). Peak memory consumption was 3.4GB. Max. memory is 16.0GB. [2023-08-25 15:03:18,877 INFO L158 Benchmark]: TraceAbstraction took 557950.97ms. Allocated memory was 14.7GB in the beginning and 15.1GB in the end (delta: 413.1MB). Free memory was 12.7GB in the beginning and 7.8GB in the end (delta: 4.8GB). Peak memory consumption was 9.1GB. Max. memory is 16.0GB. [2023-08-25 15:03:18,880 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 379.6MB. Free memory is still 356.5MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 590.42ms. Allocated memory is still 379.6MB. Free memory was 354.2MB in the beginning and 328.5MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 56.27ms. Allocated memory is still 379.6MB. Free memory was 328.5MB in the beginning and 325.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 57.43ms. Allocated memory is still 379.6MB. Free memory was 325.3MB in the beginning and 321.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 256535.17ms. Allocated memory was 379.6MB in the beginning and 14.7GB in the end (delta: 14.3GB). Free memory was 320.6MB in the beginning and 12.7GB in the end (delta: -12.3GB). Peak memory consumption was 3.4GB. Max. memory is 16.0GB. * TraceAbstraction took 557950.97ms. Allocated memory was 14.7GB in the beginning and 15.1GB in the end (delta: 413.1MB). Free memory was 12.7GB in the beginning and 7.8GB in the end (delta: 4.8GB). Peak memory consumption was 9.1GB. 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 320 places, 313 transitions, 635 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 320 places, 313 transitions, 635 flow and 40360 co-enabled transitions pairs.,while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 5285 for 10112ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown