/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/safe019_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 15:30:32,822 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 15:30:32,889 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 15:30:32,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 15:30:32,892 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 15:30:32,916 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 15:30:32,917 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 15:30:32,917 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 15:30:32,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 15:30:32,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 15:30:32,920 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 15:30:32,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 15:30:32,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 15:30:32,922 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 15:30:32,922 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 15:30:32,922 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 15:30:32,922 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 15:30:32,922 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 15:30:32,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 15:30:32,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 15:30:32,923 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 15:30:32,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 15:30:32,924 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 15:30:32,924 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 15:30:32,924 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 15:30:32,924 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 15:30:32,924 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 15:30:32,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 15:30:32,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 15:30:32,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 15:30:32,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 15:30:32,926 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 15:30:32,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 15:30:32,926 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 15:30:32,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 15:30:32,926 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 15:30:33,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 15:30:33,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 15:30:33,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 15:30:33,162 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 15:30:33,162 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 15:30:33,163 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_rmo.opt.i [2023-08-25 15:30:34,267 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 15:30:34,478 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 15:30:34,478 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_rmo.opt.i [2023-08-25 15:30:34,497 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e79d6e038/2c60996cde8a440180c00aaa79bfde9a/FLAGfd7caf527 [2023-08-25 15:30:34,509 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e79d6e038/2c60996cde8a440180c00aaa79bfde9a [2023-08-25 15:30:34,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 15:30:34,512 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 15:30:34,512 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 15:30:34,513 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 15:30:34,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 15:30:34,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:30:34" (1/1) ... [2023-08-25 15:30:34,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@278f75e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:34, skipping insertion in model container [2023-08-25 15:30:34,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:30:34" (1/1) ... [2023-08-25 15:30:34,576 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 15:30:34,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 15:30:34,930 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 15:30:34,956 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-08-25 15:30:34,957 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-08-25 15:30:34,990 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 15:30:35,015 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 15:30:35,015 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 15:30:35,020 INFO L206 MainTranslator]: Completed translation [2023-08-25 15:30:35,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:35 WrapperNode [2023-08-25 15:30:35,020 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 15:30:35,021 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 15:30:35,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 15:30:35,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 15:30:35,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:35" (1/1) ... [2023-08-25 15:30:35,055 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:35" (1/1) ... [2023-08-25 15:30:35,088 INFO L138 Inliner]: procedures = 177, calls = 87, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 340 [2023-08-25 15:30:35,088 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 15:30:35,088 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 15:30:35,089 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 15:30:35,089 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 15:30:35,095 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:35" (1/1) ... [2023-08-25 15:30:35,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:35" (1/1) ... [2023-08-25 15:30:35,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:35" (1/1) ... [2023-08-25 15:30:35,104 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:35" (1/1) ... [2023-08-25 15:30:35,143 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:35" (1/1) ... [2023-08-25 15:30:35,148 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:35" (1/1) ... [2023-08-25 15:30:35,161 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:35" (1/1) ... [2023-08-25 15:30:35,164 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:35" (1/1) ... [2023-08-25 15:30:35,169 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 15:30:35,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 15:30:35,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 15:30:35,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 15:30:35,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:35" (1/1) ... [2023-08-25 15:30:35,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 15:30:35,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 15:30:35,208 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 15:30:35,232 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 15:30:35,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 15:30:35,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 15:30:35,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 15:30:35,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 15:30:35,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 15:30:35,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 15:30:35,257 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-25 15:30:35,257 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-25 15:30:35,257 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-25 15:30:35,257 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-25 15:30:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-25 15:30:35,258 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-25 15:30:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-08-25 15:30:35,258 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-08-25 15:30:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 15:30:35,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 15:30:35,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 15:30:35,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 15:30:35,261 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 15:30:35,462 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 15:30:35,464 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 15:30:36,689 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 15:33:00,245 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 15:33:00,245 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 15:33:00,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:33:00 BoogieIcfgContainer [2023-08-25 15:33:00,247 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 15:33:00,265 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 15:33:00,265 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 15:33:00,267 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 15:33:00,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 03:30:34" (1/3) ... [2023-08-25 15:33:00,268 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4648d13a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:33:00, skipping insertion in model container [2023-08-25 15:33:00,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:35" (2/3) ... [2023-08-25 15:33:00,268 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4648d13a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:33:00, skipping insertion in model container [2023-08-25 15:33:00,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:33:00" (3/3) ... [2023-08-25 15:33:00,270 INFO L112 eAbstractionObserver]: Analyzing ICFG safe019_rmo.opt.i [2023-08-25 15:33:00,281 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 15:33:00,282 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 337 error locations. [2023-08-25 15:33:00,282 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 15:33:12,753 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 15:33:12,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 498 places, 488 transitions, 996 flow [2023-08-25 15:33:22,726 INFO L124 PetriNetUnfolderBase]: 3/484 cut-off events. [2023-08-25 15:33:22,727 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 15:33:22,738 INFO L83 FinitePrefix]: Finished finitePrefix Result has 497 conditions, 484 events. 3/484 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2960 event pairs, 0 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 427. Up to 2 conditions per place. [2023-08-25 15:33:22,738 INFO L82 GeneralOperation]: Start removeDead. Operand has 498 places, 488 transitions, 996 flow [2023-08-25 15:33:22,757 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 494 places, 484 transitions, 980 flow [2023-08-25 15:33:22,759 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 15:33:22,767 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 494 places, 484 transitions, 980 flow [2023-08-25 15:33:22,770 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 494 places, 484 transitions, 980 flow [2023-08-25 15:33:22,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 494 places, 484 transitions, 980 flow [2023-08-25 15:33:32,173 INFO L124 PetriNetUnfolderBase]: 3/484 cut-off events. [2023-08-25 15:33:32,173 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 15:33:32,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 497 conditions, 484 events. 3/484 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2970 event pairs, 0 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 427. Up to 2 conditions per place. [2023-08-25 15:33:32,198 INFO L119 LiptonReduction]: Number of co-enabled transitions 127866 [2023-08-25 15:34:14,569 WARN L234 SmtUtils]: Spent 7.30s on a formula simplification. DAG size of input: 1250 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:34:55,771 WARN L234 SmtUtils]: Spent 18.91s on a formula simplification. DAG size of input: 4861 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:35:47,455 WARN L234 SmtUtils]: Spent 51.67s on a formula simplification. DAG size of input: 4863 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:36:26,277 WARN L234 SmtUtils]: Spent 38.81s on a formula simplification. DAG size of input: 4863 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:36:44,446 WARN L234 SmtUtils]: Spent 18.16s on a formula simplification. DAG size of input: 3938 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:37:18,356 WARN L234 SmtUtils]: Spent 33.90s on a formula simplification. DAG size of input: 4998 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:37:30,553 WARN L234 SmtUtils]: Spent 12.19s on a formula simplification. DAG size of input: 2263 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:38:52,553 WARN L234 SmtUtils]: Spent 1.29m on a formula simplification. DAG size of input: 7380 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:39:47,462 WARN L234 SmtUtils]: Spent 54.89s on a formula simplification. DAG size of input: 7378 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:40:40,002 WARN L234 SmtUtils]: Spent 52.52s on a formula simplification. DAG size of input: 7378 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:41:31,729 WARN L234 SmtUtils]: Spent 51.71s on a formula simplification. DAG size of input: 7378 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:42:37,388 WARN L234 SmtUtils]: Spent 1.09m on a formula simplification. DAG size of input: 7378 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:44:13,509 WARN L234 SmtUtils]: Spent 1.60m on a formula simplification. DAG size of input: 7376 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 15:44:56,059 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 15:44:56,132 WARN L266 SmtUtils]: Removed 3 from assertion stack [2023-08-25 15:44:56,133 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 15:44:56,134 INFO L158 Benchmark]: Toolchain (without parser) took 861621.85ms. Allocated memory was 325.1MB in the beginning and 13.7GB in the end (delta: 13.3GB). Free memory was 299.8MB in the beginning and 7.1GB in the end (delta: -6.8GB). Peak memory consumption was 8.1GB. Max. memory is 16.0GB. [2023-08-25 15:44:56,134 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 325.1MB. Free memory is still 302.4MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 15:44:56,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 507.84ms. Allocated memory is still 325.1MB. Free memory was 299.8MB in the beginning and 269.4MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. [2023-08-25 15:44:56,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.34ms. Allocated memory is still 325.1MB. Free memory was 269.4MB in the beginning and 266.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 15:44:56,136 INFO L158 Benchmark]: Boogie Preprocessor took 81.00ms. Allocated memory is still 325.1MB. Free memory was 266.2MB in the beginning and 258.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. [2023-08-25 15:44:56,142 INFO L158 Benchmark]: RCFGBuilder took 145077.48ms. Allocated memory was 325.1MB in the beginning and 13.5GB in the end (delta: 13.1GB). Free memory was 258.9MB in the beginning and 11.4GB in the end (delta: -11.2GB). Peak memory consumption was 4.2GB. Max. memory is 16.0GB. [2023-08-25 15:44:56,146 INFO L158 Benchmark]: TraceAbstraction took 715868.25ms. Allocated memory was 13.5GB in the beginning and 13.7GB in the end (delta: 192.9MB). Free memory was 11.4GB in the beginning and 7.1GB in the end (delta: 4.3GB). Peak memory consumption was 6.1GB. Max. memory is 16.0GB. [2023-08-25 15:44:56,157 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 325.1MB. Free memory is still 302.4MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 507.84ms. Allocated memory is still 325.1MB. Free memory was 299.8MB in the beginning and 269.4MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 67.34ms. Allocated memory is still 325.1MB. Free memory was 269.4MB in the beginning and 266.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 81.00ms. Allocated memory is still 325.1MB. Free memory was 266.2MB in the beginning and 258.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. * RCFGBuilder took 145077.48ms. Allocated memory was 325.1MB in the beginning and 13.5GB in the end (delta: 13.1GB). Free memory was 258.9MB in the beginning and 11.4GB in the end (delta: -11.2GB). Peak memory consumption was 4.2GB. Max. memory is 16.0GB. * TraceAbstraction took 715868.25ms. Allocated memory was 13.5GB in the beginning and 13.7GB in the end (delta: 192.9MB). Free memory was 11.4GB in the beginning and 7.1GB in the end (delta: 4.3GB). Peak memory consumption was 6.1GB. 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 494 places, 484 transitions, 980 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 494 places, 484 transitions, 980 flow and 127866 co-enabled transitions pairs.,while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 8325 for 42607ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown