/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/safe007_rmo.oepc_rmo.opt-thin001_rmo.oepc_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 14:25:21,725 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 14:25:21,816 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 14:25:21,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 14:25:21,823 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 14:25:21,851 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 14:25:21,852 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 14:25:21,855 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 14:25:21,855 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 14:25:21,855 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 14:25:21,856 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 14:25:21,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 14:25:21,856 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 14:25:21,857 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 14:25:21,857 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 14:25:21,857 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 14:25:21,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 14:25:21,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 14:25:21,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 14:25:21,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 14:25:21,859 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 14:25:21,864 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 14:25:21,864 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 14:25:21,864 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 14:25:21,865 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 14:25:21,865 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 14:25:21,865 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 14:25:21,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 14:25:21,866 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 14:25:21,866 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 14:25:21,866 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 14:25:21,866 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 14:25:21,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 14:25:21,867 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 14:25:21,867 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 14:25:21,868 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 14:25:22,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 14:25:22,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 14:25:22,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 14:25:22,212 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 14:25:22,213 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 14:25:22,214 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe007_rmo.oepc_rmo.opt-thin001_rmo.oepc_rmo.opt.i [2023-08-25 14:25:23,274 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 14:25:23,519 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 14:25:23,520 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_rmo.oepc_rmo.opt-thin001_rmo.oepc_rmo.opt.i [2023-08-25 14:25:23,542 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67912fa8f/76074a62c2c24dd18524d226028a1481/FLAG93bd37a01 [2023-08-25 14:25:23,558 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67912fa8f/76074a62c2c24dd18524d226028a1481 [2023-08-25 14:25:23,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 14:25:23,563 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 14:25:23,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 14:25:23,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 14:25:23,569 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 14:25:23,571 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:25:23" (1/1) ... [2023-08-25 14:25:23,571 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@377ce0ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:25:23, skipping insertion in model container [2023-08-25 14:25:23,571 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:25:23" (1/1) ... [2023-08-25 14:25:23,628 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 14:25:24,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 14:25:24,032 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 14:25:24,053 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-08-25 14:25:24,055 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-08-25 14:25:24,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 14:25:24,128 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 14:25:24,128 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 14:25:24,134 INFO L206 MainTranslator]: Completed translation [2023-08-25 14:25:24,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:25:24 WrapperNode [2023-08-25 14:25:24,135 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 14:25:24,136 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 14:25:24,136 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 14:25:24,136 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 14:25:24,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:25:24" (1/1) ... [2023-08-25 14:25:24,162 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:25:24" (1/1) ... [2023-08-25 14:25:24,208 INFO L138 Inliner]: procedures = 176, calls = 68, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 320 [2023-08-25 14:25:24,209 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 14:25:24,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 14:25:24,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 14:25:24,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 14:25:24,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:25:24" (1/1) ... [2023-08-25 14:25:24,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:25:24" (1/1) ... [2023-08-25 14:25:24,227 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:25:24" (1/1) ... [2023-08-25 14:25:24,227 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:25:24" (1/1) ... [2023-08-25 14:25:24,249 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:25:24" (1/1) ... [2023-08-25 14:25:24,254 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:25:24" (1/1) ... [2023-08-25 14:25:24,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:25:24" (1/1) ... [2023-08-25 14:25:24,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:25:24" (1/1) ... [2023-08-25 14:25:24,267 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 14:25:24,268 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 14:25:24,268 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 14:25:24,268 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 14:25:24,268 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:25:24" (1/1) ... [2023-08-25 14:25:24,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 14:25:24,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 14:25:24,295 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 14:25:24,330 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 14:25:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 14:25:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 14:25:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 14:25:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 14:25:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 14:25:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 14:25:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-25 14:25:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-25 14:25:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-25 14:25:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-25 14:25:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-25 14:25:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-25 14:25:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 14:25:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 14:25:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 14:25:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 14:25:24,350 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 14:25:24,527 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 14:25:24,528 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 14:25:25,540 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 14:30:02,201 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 14:30:02,202 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 14:30:02,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:30:02 BoogieIcfgContainer [2023-08-25 14:30:02,204 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 14:30:02,205 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 14:30:02,206 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 14:30:02,208 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 14:30:02,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 02:25:23" (1/3) ... [2023-08-25 14:30:02,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@182fac56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:30:02, skipping insertion in model container [2023-08-25 14:30:02,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:25:24" (2/3) ... [2023-08-25 14:30:02,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@182fac56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:30:02, skipping insertion in model container [2023-08-25 14:30:02,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:30:02" (3/3) ... [2023-08-25 14:30:02,210 INFO L112 eAbstractionObserver]: Analyzing ICFG safe007_rmo.oepc_rmo.opt-thin001_rmo.oepc_rmo.opt.i [2023-08-25 14:30:02,224 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 14:30:02,224 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 184 error locations. [2023-08-25 14:30:02,224 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 14:30:22,857 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 14:30:22,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 323 places, 316 transitions, 647 flow [2023-08-25 14:31:18,452 INFO L124 PetriNetUnfolderBase]: 3/313 cut-off events. [2023-08-25 14:31:18,453 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 14:31:18,464 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 1507 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 14:31:18,464 INFO L82 GeneralOperation]: Start removeDead. Operand has 323 places, 316 transitions, 647 flow [2023-08-25 14:31:18,481 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 320 places, 313 transitions, 635 flow [2023-08-25 14:31:18,485 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 14:31:18,495 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 320 places, 313 transitions, 635 flow [2023-08-25 14:31:18,501 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 320 places, 313 transitions, 635 flow [2023-08-25 14:31:18,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 320 places, 313 transitions, 635 flow [2023-08-25 14:32:11,954 INFO L124 PetriNetUnfolderBase]: 3/313 cut-off events. [2023-08-25 14:32:11,954 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 14:32:11,957 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 14:32:11,971 INFO L119 LiptonReduction]: Number of co-enabled transitions 40540 [2023-08-25 14:32:55,299 WARN L234 SmtUtils]: Spent 6.20s 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 14:33:06,932 WARN L234 SmtUtils]: Spent 7.19s on a formula simplification. DAG size of input: 1552 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 14:33:29,481 WARN L234 SmtUtils]: Spent 13.46s 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 14:33:48,322 WARN L234 SmtUtils]: Spent 16.63s 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 14:34:10,989 WARN L234 SmtUtils]: Spent 22.66s 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 14:34:32,693 WARN L234 SmtUtils]: Spent 11.28s 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 14:34:57,254 WARN L234 SmtUtils]: Spent 24.55s 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 14:35:19,798 WARN L234 SmtUtils]: Spent 22.53s 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 14:35:34,086 WARN L234 SmtUtils]: Spent 14.28s 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 14:35:43,943 WARN L234 SmtUtils]: Spent 9.85s 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 14:36:40,301 WARN L234 SmtUtils]: Spent 56.35s 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 14:37:04,609 WARN L234 SmtUtils]: Spent 24.30s 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) Received shutdown request... [2023-08-25 14:38:55,355 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 14:38:55,376 WARN L266 SmtUtils]: Removed 3 from assertion stack [2023-08-25 14:38:55,377 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 14:38:55,378 INFO L158 Benchmark]: Toolchain (without parser) took 811814.51ms. Allocated memory was 356.5MB in the beginning and 14.4GB in the end (delta: 14.1GB). Free memory was 331.3MB in the beginning and 7.3GB in the end (delta: -7.0GB). Peak memory consumption was 10.7GB. Max. memory is 16.0GB. [2023-08-25 14:38:55,378 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 356.5MB. Free memory is still 333.1MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 14:38:55,379 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.89ms. Allocated memory is still 356.5MB. Free memory was 331.3MB in the beginning and 305.6MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. [2023-08-25 14:38:55,379 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.17ms. Allocated memory is still 356.5MB. Free memory was 305.6MB in the beginning and 302.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 14:38:55,379 INFO L158 Benchmark]: Boogie Preprocessor took 54.32ms. Allocated memory is still 356.5MB. Free memory was 302.3MB in the beginning and 297.7MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 14:38:55,380 INFO L158 Benchmark]: RCFGBuilder took 277936.45ms. Allocated memory was 356.5MB in the beginning and 13.7GB in the end (delta: 13.3GB). Free memory was 297.7MB in the beginning and 12.0GB in the end (delta: -11.7GB). Peak memory consumption was 3.8GB. Max. memory is 16.0GB. [2023-08-25 14:38:55,380 INFO L158 Benchmark]: TraceAbstraction took 533171.58ms. Allocated memory was 13.7GB in the beginning and 14.4GB in the end (delta: 761.3MB). Free memory was 12.0GB in the beginning and 7.3GB in the end (delta: 4.7GB). Peak memory consumption was 9.0GB. Max. memory is 16.0GB. [2023-08-25 14:38:55,383 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 356.5MB. Free memory is still 333.1MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 568.89ms. Allocated memory is still 356.5MB. Free memory was 331.3MB in the beginning and 305.6MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 73.17ms. Allocated memory is still 356.5MB. Free memory was 305.6MB in the beginning and 302.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 54.32ms. Allocated memory is still 356.5MB. Free memory was 302.3MB in the beginning and 297.7MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 277936.45ms. Allocated memory was 356.5MB in the beginning and 13.7GB in the end (delta: 13.3GB). Free memory was 297.7MB in the beginning and 12.0GB in the end (delta: -11.7GB). Peak memory consumption was 3.8GB. Max. memory is 16.0GB. * TraceAbstraction took 533171.58ms. Allocated memory was 13.7GB in the beginning and 14.4GB in the end (delta: 761.3MB). Free memory was 12.0GB in the beginning and 7.3GB in the end (delta: 4.7GB). Peak memory consumption was 9.0GB. 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 40540 co-enabled transitions pairs.,while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 7705 for 110751ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown