/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 -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/goblint-regression/09-regions_04-list2_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 03:30:34,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 03:30:34,356 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 03:30:34,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 03:30:34,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 03:30:34,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 03:30:34,396 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 03:30:34,397 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 03:30:34,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 03:30:34,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 03:30:34,397 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 03:30:34,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 03:30:34,398 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 03:30:34,398 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 03:30:34,398 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 03:30:34,399 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 03:30:34,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 03:30:34,399 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 03:30:34,399 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 03:30:34,399 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 03:30:34,400 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 03:30:34,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 03:30:34,402 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 03:30:34,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 03:30:34,403 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 03:30:34,403 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 03:30:34,403 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 03:30:34,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:30:34,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 03:30:34,404 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 03:30:34,404 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 03:30:34,404 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 03:30:34,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 03:30:34,404 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 03:30:34,405 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 03:30:34,405 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 03:30:34,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 03:30:34,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 03:30:34,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 03:30:34,643 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 03:30:34,643 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 03:30:34,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_04-list2_nr.i [2023-08-25 03:30:35,622 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 03:30:35,817 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 03:30:35,818 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_04-list2_nr.i [2023-08-25 03:30:35,838 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/584f3ca25/df540fcba06c49999359b796d2e86366/FLAGa64a7848c [2023-08-25 03:30:35,851 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/584f3ca25/df540fcba06c49999359b796d2e86366 [2023-08-25 03:30:35,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 03:30:35,856 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 03:30:35,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 03:30:35,859 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 03:30:35,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 03:30:35,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:30:35" (1/1) ... [2023-08-25 03:30:35,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46ecf1bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:35, skipping insertion in model container [2023-08-25 03:30:35,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:30:35" (1/1) ... [2023-08-25 03:30:35,906 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 03:30:36,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:30:36,270 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 03:30:36,280 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [244] [2023-08-25 03:30:36,294 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [244] [2023-08-25 03:30:36,305 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [1044] [2023-08-25 03:30:36,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:30:36,378 INFO L206 MainTranslator]: Completed translation [2023-08-25 03:30:36,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:36 WrapperNode [2023-08-25 03:30:36,378 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 03:30:36,379 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 03:30:36,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 03:30:36,379 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 03:30:36,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:36" (1/1) ... [2023-08-25 03:30:36,399 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:36" (1/1) ... [2023-08-25 03:30:36,435 INFO L138 Inliner]: procedures = 368, calls = 45, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 196 [2023-08-25 03:30:36,435 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 03:30:36,436 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 03:30:36,436 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 03:30:36,436 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 03:30:36,442 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:36" (1/1) ... [2023-08-25 03:30:36,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:36" (1/1) ... [2023-08-25 03:30:36,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:36" (1/1) ... [2023-08-25 03:30:36,450 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:36" (1/1) ... [2023-08-25 03:30:36,464 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:36" (1/1) ... [2023-08-25 03:30:36,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:36" (1/1) ... [2023-08-25 03:30:36,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:36" (1/1) ... [2023-08-25 03:30:36,468 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:36" (1/1) ... [2023-08-25 03:30:36,470 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 03:30:36,471 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 03:30:36,471 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 03:30:36,471 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 03:30:36,471 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:36" (1/1) ... [2023-08-25 03:30:36,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:30:36,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 03:30:36,494 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 03:30:36,528 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 03:30:36,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 03:30:36,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-25 03:30:36,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 03:30:36,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 03:30:36,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 03:30:36,536 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 03:30:36,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-25 03:30:36,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 03:30:36,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-25 03:30:36,536 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-25 03:30:36,537 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-25 03:30:36,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 03:30:36,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 03:30:36,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 03:30:36,538 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 03:30:36,667 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 03:30:36,669 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 03:30:37,067 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 03:30:37,075 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 03:30:37,076 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 03:30:37,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:30:37 BoogieIcfgContainer [2023-08-25 03:30:37,081 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 03:30:37,082 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 03:30:37,082 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 03:30:37,084 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 03:30:37,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 03:30:35" (1/3) ... [2023-08-25 03:30:37,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@523221f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:30:37, skipping insertion in model container [2023-08-25 03:30:37,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:30:36" (2/3) ... [2023-08-25 03:30:37,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@523221f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:30:37, skipping insertion in model container [2023-08-25 03:30:37,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:30:37" (3/3) ... [2023-08-25 03:30:37,086 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_04-list2_nr.i [2023-08-25 03:30:37,096 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 03:30:37,096 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2023-08-25 03:30:37,096 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 03:30:37,138 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 03:30:37,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 297 places, 293 transitions, 591 flow [2023-08-25 03:30:37,223 INFO L124 PetriNetUnfolderBase]: 0/292 cut-off events. [2023-08-25 03:30:37,223 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:30:37,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 292 events. 0/292 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 155 event pairs, 0 based on Foata normal form. 0/262 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-25 03:30:37,226 INFO L82 GeneralOperation]: Start removeDead. Operand has 297 places, 293 transitions, 591 flow [2023-08-25 03:30:37,229 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 296 places, 292 transitions, 587 flow [2023-08-25 03:30:37,232 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 03:30:37,242 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 296 places, 292 transitions, 587 flow [2023-08-25 03:30:37,246 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 296 places, 292 transitions, 587 flow [2023-08-25 03:30:37,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 296 places, 292 transitions, 587 flow [2023-08-25 03:30:37,304 INFO L124 PetriNetUnfolderBase]: 0/292 cut-off events. [2023-08-25 03:30:37,304 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:30:37,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 292 events. 0/292 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 155 event pairs, 0 based on Foata normal form. 0/262 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-25 03:30:37,310 INFO L119 LiptonReduction]: Number of co-enabled transitions 7590 [2023-08-25 03:31:16,810 WARN L234 SmtUtils]: Spent 8.54s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:31:25,384 WARN L234 SmtUtils]: Spent 8.57s on a formula simplification that was a NOOP. DAG size: 153 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:31:33,430 WARN L234 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:31:39,859 WARN L234 SmtUtils]: Spent 6.43s on a formula simplification that was a NOOP. DAG size: 153 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:32:18,361 WARN L234 SmtUtils]: Spent 30.29s on a formula simplification. DAG size of input: 272 DAG size of output: 266 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:32:57,870 WARN L234 SmtUtils]: Spent 36.07s on a formula simplification. DAG size of input: 272 DAG size of output: 266 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:33:12,171 WARN L234 SmtUtils]: Spent 14.30s on a formula simplification that was a NOOP. DAG size: 238 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:33:42,748 WARN L234 SmtUtils]: Spent 30.48s on a formula simplification. DAG size of input: 208 DAG size of output: 206 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:33:48,912 WARN L234 SmtUtils]: Spent 6.16s on a formula simplification that was a NOOP. DAG size: 179 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:34:27,489 WARN L234 SmtUtils]: Spent 38.57s on a formula simplification. DAG size of input: 208 DAG size of output: 206 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:34:35,880 WARN L234 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 179 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:38:54,520 WARN L234 SmtUtils]: Spent 4.29m on a formula simplification. DAG size of input: 395 DAG size of output: 393 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:39:23,560 WARN L234 SmtUtils]: Spent 29.03s on a formula simplification that was a NOOP. DAG size: 343 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:41:45,304 WARN L234 SmtUtils]: Spent 2.36m on a formula simplification. DAG size of input: 395 DAG size of output: 393 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:42:19,269 WARN L234 SmtUtils]: Spent 33.96s on a formula simplification that was a NOOP. DAG size: 343 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:43:29,881 WARN L234 SmtUtils]: Spent 1.18m on a formula simplification that was a NOOP. DAG size: 377 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 03:44:05,521 WARN L234 SmtUtils]: Spent 35.64s on a formula simplification that was a NOOP. DAG size: 371 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Received shutdown request... [2023-08-25 03:45:23,834 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 03:45:24,097 WARN L266 SmtUtils]: Removed 39 from assertion stack [2023-08-25 03:45:24,097 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 03:45:24,098 INFO L158 Benchmark]: Toolchain (without parser) took 888241.94ms. Allocated memory was 442.5MB in the beginning and 555.7MB in the end (delta: 113.2MB). Free memory was 417.1MB in the beginning and 302.9MB in the end (delta: 114.2MB). Peak memory consumption was 325.2MB. Max. memory is 16.0GB. [2023-08-25 03:45:24,099 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 442.5MB. Free memory is still 419.7MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 03:45:24,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.97ms. Allocated memory is still 442.5MB. Free memory was 417.1MB in the beginning and 377.4MB in the end (delta: 39.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.0GB. [2023-08-25 03:45:24,099 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.48ms. Allocated memory is still 442.5MB. Free memory was 377.4MB in the beginning and 373.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 03:45:24,100 INFO L158 Benchmark]: Boogie Preprocessor took 34.01ms. Allocated memory is still 442.5MB. Free memory was 373.9MB in the beginning and 370.2MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 03:45:24,100 INFO L158 Benchmark]: RCFGBuilder took 610.36ms. Allocated memory is still 442.5MB. Free memory was 370.2MB in the beginning and 393.6MB in the end (delta: -23.3MB). Peak memory consumption was 17.5MB. Max. memory is 16.0GB. [2023-08-25 03:45:24,100 INFO L158 Benchmark]: TraceAbstraction took 887015.37ms. Allocated memory was 442.5MB in the beginning and 555.7MB in the end (delta: 113.2MB). Free memory was 392.5MB in the beginning and 302.9MB in the end (delta: 89.6MB). Peak memory consumption was 299.4MB. Max. memory is 16.0GB. [2023-08-25 03:45:24,102 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 442.5MB. Free memory is still 419.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 519.97ms. Allocated memory is still 442.5MB. Free memory was 417.1MB in the beginning and 377.4MB in the end (delta: 39.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 56.48ms. Allocated memory is still 442.5MB. Free memory was 377.4MB in the beginning and 373.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 34.01ms. Allocated memory is still 442.5MB. Free memory was 373.9MB in the beginning and 370.2MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 610.36ms. Allocated memory is still 442.5MB. Free memory was 370.2MB in the beginning and 393.6MB in the end (delta: -23.3MB). Peak memory consumption was 17.5MB. Max. memory is 16.0GB. * TraceAbstraction took 887015.37ms. Allocated memory was 442.5MB in the beginning and 555.7MB in the end (delta: 113.2MB). Free memory was 392.5MB in the beginning and 302.9MB in the end (delta: 89.6MB). Peak memory consumption was 299.4MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 244]: Unsoundness Warning unspecified type, defaulting to int C: short [244] - GenericResultAtLocation [Line: 244]: Unsoundness Warning unspecified type, defaulting to int C: short [244] - GenericResultAtLocation [Line: 1044]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [1044] * 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 296 places, 292 transitions, 587 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 296 places, 292 transitions, 587 flow and 3648 co-enabled transitions pairs.,while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 377 for 78572ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown