/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/mix029_power.opt_pso.opt_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 10:59:40,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 10:59:40,678 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 10:59:40,681 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 10:59:40,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 10:59:40,695 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 10:59:40,695 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 10:59:40,696 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 10:59:40,696 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 10:59:40,696 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 10:59:40,696 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 10:59:40,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 10:59:40,697 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 10:59:40,697 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 10:59:40,697 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 10:59:40,697 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 10:59:40,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 10:59:40,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 10:59:40,698 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 10:59:40,698 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 10:59:40,699 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 10:59:40,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 10:59:40,699 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 10:59:40,699 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 10:59:40,699 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 10:59:40,699 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 10:59:40,700 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 10:59:40,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 10:59:40,700 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 10:59:40,700 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 10:59:40,700 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 10:59:40,700 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 10:59:40,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 10:59:40,701 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 10:59:40,701 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 10:59:40,701 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 10:59:40,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 10:59:40,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 10:59:40,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 10:59:40,960 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 10:59:40,961 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 10:59:40,962 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix029_power.opt_pso.opt_rmo.opt.i [2023-08-25 10:59:41,837 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 10:59:42,068 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 10:59:42,069 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix029_power.opt_pso.opt_rmo.opt.i [2023-08-25 10:59:42,087 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c6deccc8/f9ddc50426d64a16a5a2c087226dbba4/FLAG40afea5d4 [2023-08-25 10:59:42,097 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c6deccc8/f9ddc50426d64a16a5a2c087226dbba4 [2023-08-25 10:59:42,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 10:59:42,099 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 10:59:42,100 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 10:59:42,100 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 10:59:42,101 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 10:59:42,102 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:59:42" (1/1) ... [2023-08-25 10:59:42,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@107ef0b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:59:42, skipping insertion in model container [2023-08-25 10:59:42,102 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:59:42" (1/1) ... [2023-08-25 10:59:42,157 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 10:59:42,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 10:59:42,480 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 10:59:42,502 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-25 10:59:42,503 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-25 10:59:42,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 10:59:42,564 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 10:59:42,564 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 10:59:42,569 INFO L206 MainTranslator]: Completed translation [2023-08-25 10:59:42,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:59:42 WrapperNode [2023-08-25 10:59:42,569 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 10:59:42,570 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 10:59:42,570 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 10:59:42,570 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 10:59:42,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:59:42" (1/1) ... [2023-08-25 10:59:42,599 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:59:42" (1/1) ... [2023-08-25 10:59:42,627 INFO L138 Inliner]: procedures = 177, calls = 70, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 969 [2023-08-25 10:59:42,627 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 10:59:42,628 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 10:59:42,628 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 10:59:42,628 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 10:59:42,635 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:59:42" (1/1) ... [2023-08-25 10:59:42,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:59:42" (1/1) ... [2023-08-25 10:59:42,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:59:42" (1/1) ... [2023-08-25 10:59:42,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:59:42" (1/1) ... [2023-08-25 10:59:42,649 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:59:42" (1/1) ... [2023-08-25 10:59:42,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:59:42" (1/1) ... [2023-08-25 10:59:42,654 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:59:42" (1/1) ... [2023-08-25 10:59:42,657 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:59:42" (1/1) ... [2023-08-25 10:59:42,661 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 10:59:42,661 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 10:59:42,661 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 10:59:42,661 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 10:59:42,662 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:59:42" (1/1) ... [2023-08-25 10:59:42,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 10:59:42,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 10:59:42,688 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 10:59:42,694 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 10:59:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 10:59:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 10:59:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 10:59:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 10:59:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 10:59:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-25 10:59:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-25 10:59:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-25 10:59:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-25 10:59:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-25 10:59:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-25 10:59:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-08-25 10:59:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-08-25 10:59:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 10:59:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 10:59:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 10:59:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 10:59:42,713 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 10:59:42,859 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 10:59:42,861 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 10:59:43,859 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 11:01:38,439 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 11:01:38,440 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 11:01:38,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 11:01:38 BoogieIcfgContainer [2023-08-25 11:01:38,442 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 11:01:38,443 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 11:01:38,443 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 11:01:38,445 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 11:01:38,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 10:59:42" (1/3) ... [2023-08-25 11:01:38,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dacd98e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 11:01:38, skipping insertion in model container [2023-08-25 11:01:38,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:59:42" (2/3) ... [2023-08-25 11:01:38,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dacd98e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 11:01:38, skipping insertion in model container [2023-08-25 11:01:38,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 11:01:38" (3/3) ... [2023-08-25 11:01:38,447 INFO L112 eAbstractionObserver]: Analyzing ICFG mix029_power.opt_pso.opt_rmo.opt.i [2023-08-25 11:01:38,458 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 11:01:38,458 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 256 error locations. [2023-08-25 11:01:38,458 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 11:01:42,511 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 11:01:42,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 401 places, 391 transitions, 802 flow [2023-08-25 11:01:54,152 INFO L124 PetriNetUnfolderBase]: 3/387 cut-off events. [2023-08-25 11:01:54,152 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 11:01:54,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 400 conditions, 387 events. 3/387 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 2044 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 349. Up to 2 conditions per place. [2023-08-25 11:01:54,177 INFO L82 GeneralOperation]: Start removeDead. Operand has 401 places, 391 transitions, 802 flow [2023-08-25 11:01:54,192 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 397 places, 387 transitions, 786 flow [2023-08-25 11:01:54,194 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 11:01:54,199 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 397 places, 387 transitions, 786 flow [2023-08-25 11:01:54,201 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 397 places, 387 transitions, 786 flow [2023-08-25 11:01:54,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 397 places, 387 transitions, 786 flow [2023-08-25 11:02:05,356 INFO L124 PetriNetUnfolderBase]: 3/387 cut-off events. [2023-08-25 11:02:05,356 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 11:02:05,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 400 conditions, 387 events. 3/387 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 2035 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 349. Up to 2 conditions per place. [2023-08-25 11:02:05,376 INFO L119 LiptonReduction]: Number of co-enabled transitions 69954 [2023-08-25 11:08:30,146 WARN L234 SmtUtils]: Spent 6.41m on a formula simplification. DAG size of input: 19550 DAG size of output: 1203 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 11:08:36,019 WARN L234 SmtUtils]: Spent 5.85s on a formula simplification. DAG size of input: 1102 DAG size of output: 1099 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Received shutdown request... [2023-08-25 11:14:04,222 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 11:14:04,237 WARN L266 SmtUtils]: Removed 3 from assertion stack [2023-08-25 11:14:04,238 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 11:14:04,239 INFO L158 Benchmark]: Toolchain (without parser) took 862139.45ms. Allocated memory was 354.4MB in the beginning and 10.0GB in the end (delta: 9.6GB). Free memory was 328.9MB in the beginning and 8.1GB in the end (delta: -7.7GB). Peak memory consumption was 6.8GB. Max. memory is 16.0GB. [2023-08-25 11:14:04,239 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 354.4MB. Free memory was 331.9MB in the beginning and 331.8MB in the end (delta: 88.6kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 11:14:04,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.75ms. Allocated memory is still 354.4MB. Free memory was 328.5MB in the beginning and 301.6MB in the end (delta: 26.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. [2023-08-25 11:14:04,240 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.66ms. Allocated memory is still 354.4MB. Free memory was 301.6MB in the beginning and 296.7MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 11:14:04,240 INFO L158 Benchmark]: Boogie Preprocessor took 32.68ms. Allocated memory is still 354.4MB. Free memory was 296.7MB in the beginning and 292.2MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 11:14:04,241 INFO L158 Benchmark]: RCFGBuilder took 115780.78ms. Allocated memory was 354.4MB in the beginning and 10.0GB in the end (delta: 9.6GB). Free memory was 292.2MB in the beginning and 8.7GB in the end (delta: -8.4GB). Peak memory consumption was 6.5GB. Max. memory is 16.0GB. [2023-08-25 11:14:04,241 INFO L158 Benchmark]: TraceAbstraction took 745794.74ms. Allocated memory is still 10.0GB. Free memory was 8.7GB in the beginning and 8.1GB in the end (delta: 634.2MB). Peak memory consumption was 5.5GB. Max. memory is 16.0GB. [2023-08-25 11:14:04,243 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 354.4MB. Free memory was 331.9MB in the beginning and 331.8MB in the end (delta: 88.6kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 469.75ms. Allocated memory is still 354.4MB. Free memory was 328.5MB in the beginning and 301.6MB in the end (delta: 26.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 57.66ms. Allocated memory is still 354.4MB. Free memory was 301.6MB in the beginning and 296.7MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 32.68ms. Allocated memory is still 354.4MB. Free memory was 296.7MB in the beginning and 292.2MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 115780.78ms. Allocated memory was 354.4MB in the beginning and 10.0GB in the end (delta: 9.6GB). Free memory was 292.2MB in the beginning and 8.7GB in the end (delta: -8.4GB). Peak memory consumption was 6.5GB. Max. memory is 16.0GB. * TraceAbstraction took 745794.74ms. Allocated memory is still 10.0GB. Free memory was 8.7GB in the beginning and 8.1GB in the end (delta: 634.2MB). Peak memory consumption was 5.5GB. 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: - 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 397 places, 387 transitions, 786 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 397 places, 387 transitions, 786 flow and 69954 co-enabled transitions pairs.,while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 23218 for 328159ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown