/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/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 00:22:55,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 00:22:55,404 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 00:22:55,409 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 00:22:55,410 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 00:22:55,448 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 00:22:55,449 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 00:22:55,454 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 00:22:55,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 00:22:55,454 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 00:22:55,455 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 00:22:55,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 00:22:55,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 00:22:55,456 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 00:22:55,456 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 00:22:55,457 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 00:22:55,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 00:22:55,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 00:22:55,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 00:22:55,458 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 00:22:55,458 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 00:22:55,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 00:22:55,462 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 00:22:55,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 00:22:55,465 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 00:22:55,465 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 00:22:55,466 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 00:22:55,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 00:22:55,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 00:22:55,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 00:22:55,467 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 00:22:55,467 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 00:22:55,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 00:22:55,468 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 00:22:55,468 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 00:22:55,468 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 00:22:55,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 00:22:55,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 00:22:55,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 00:22:55,813 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 00:22:55,814 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 00:22:55,815 INFO L431 ainManager$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 00:22:56,947 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 00:22:57,206 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 00:22:57,207 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 00:22:57,229 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dc1b2df0/274ac319b08e443db8868c4875ad6fc5/FLAG96b6191cf [2023-08-25 00:22:57,244 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dc1b2df0/274ac319b08e443db8868c4875ad6fc5 [2023-08-25 00:22:57,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 00:22:57,250 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 00:22:57,251 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 00:22:57,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 00:22:57,254 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 00:22:57,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 12:22:57" (1/1) ... [2023-08-25 00:22:57,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@594ba57c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:22:57, skipping insertion in model container [2023-08-25 00:22:57,256 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 12:22:57" (1/1) ... [2023-08-25 00:22:57,310 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 00:22:57,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 00:22:57,683 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 00:22:57,706 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-08-25 00:22:57,708 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-08-25 00:22:57,759 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 00:22:57,787 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 00:22:57,788 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 00:22:57,793 INFO L206 MainTranslator]: Completed translation [2023-08-25 00:22:57,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:22:57 WrapperNode [2023-08-25 00:22:57,793 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 00:22:57,794 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 00:22:57,794 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 00:22:57,794 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 00:22:57,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:22:57" (1/1) ... [2023-08-25 00:22:57,816 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:22:57" (1/1) ... [2023-08-25 00:22:57,844 INFO L138 Inliner]: procedures = 176, calls = 68, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 320 [2023-08-25 00:22:57,845 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 00:22:57,845 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 00:22:57,846 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 00:22:57,846 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 00:22:57,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:22:57" (1/1) ... [2023-08-25 00:22:57,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:22:57" (1/1) ... [2023-08-25 00:22:57,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:22:57" (1/1) ... [2023-08-25 00:22:57,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:22:57" (1/1) ... [2023-08-25 00:22:57,883 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:22:57" (1/1) ... [2023-08-25 00:22:57,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:22:57" (1/1) ... [2023-08-25 00:22:57,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:22:57" (1/1) ... [2023-08-25 00:22:57,895 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:22:57" (1/1) ... [2023-08-25 00:22:57,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 00:22:57,917 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 00:22:57,917 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 00:22:57,917 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 00:22:57,918 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:22:57" (1/1) ... [2023-08-25 00:22:57,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 00:22:57,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 00:22:57,961 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 00:22:57,965 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 00:22:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 00:22:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 00:22:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 00:22:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 00:22:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 00:22:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 00:22:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-25 00:22:57,988 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-25 00:22:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-25 00:22:57,988 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-25 00:22:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-25 00:22:57,988 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-25 00:22:57,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 00:22:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 00:22:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 00:22:57,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 00:22:57,990 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 00:22:58,159 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 00:22:58,160 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 00:22:59,190 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 00:27:28,123 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 00:27:28,123 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 00:27:28,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 12:27:28 BoogieIcfgContainer [2023-08-25 00:27:28,125 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 00:27:28,127 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 00:27:28,127 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 00:27:28,130 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 00:27:28,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 12:22:57" (1/3) ... [2023-08-25 00:27:28,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@768756c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 12:27:28, skipping insertion in model container [2023-08-25 00:27:28,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:22:57" (2/3) ... [2023-08-25 00:27:28,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@768756c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 12:27:28, skipping insertion in model container [2023-08-25 00:27:28,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 12:27:28" (3/3) ... [2023-08-25 00:27:28,134 INFO L112 eAbstractionObserver]: Analyzing ICFG safe007_rmo.oepc_rmo.opt-thin001_rmo.oepc_rmo.opt.i [2023-08-25 00:27:28,160 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 00:27:28,160 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 184 error locations. [2023-08-25 00:27:28,160 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 00:27:48,392 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 00:27:48,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 323 places, 316 transitions, 647 flow [2023-08-25 00:28:51,195 INFO L124 PetriNetUnfolderBase]: 3/313 cut-off events. [2023-08-25 00:28:51,196 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 00:28:51,209 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 00:28:51,210 INFO L82 GeneralOperation]: Start removeDead. Operand has 323 places, 316 transitions, 647 flow [2023-08-25 00:28:51,221 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 320 places, 313 transitions, 635 flow [2023-08-25 00:28:51,224 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 00:28:51,232 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 320 places, 313 transitions, 635 flow [2023-08-25 00:28:51,235 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 320 places, 313 transitions, 635 flow [2023-08-25 00:28:51,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 320 places, 313 transitions, 635 flow [2023-08-25 00:29:51,872 INFO L124 PetriNetUnfolderBase]: 3/313 cut-off events. [2023-08-25 00:29:51,872 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 00:29:51,875 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 00:29:51,890 INFO L119 LiptonReduction]: Number of co-enabled transitions 40540 [2023-08-25 00:30:35,073 WARN L234 SmtUtils]: Spent 6.02s 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 00:30:46,367 WARN L234 SmtUtils]: Spent 6.98s 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 00:31:07,969 WARN L234 SmtUtils]: Spent 12.90s 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 00:31:26,125 WARN L234 SmtUtils]: Spent 15.97s 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 00:31:48,108 WARN L234 SmtUtils]: Spent 21.97s 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 00:32:08,813 WARN L234 SmtUtils]: Spent 10.59s 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 00:32:32,380 WARN L234 SmtUtils]: Spent 23.56s 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 00:32:54,214 WARN L234 SmtUtils]: Spent 21.81s 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 00:33:07,283 WARN L234 SmtUtils]: Spent 13.06s 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 00:33:16,204 WARN L234 SmtUtils]: Spent 8.91s 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 00:34:09,746 WARN L234 SmtUtils]: Spent 53.53s on a formula simplification. DAG size of input: 5057 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 00:34:32,417 WARN L234 SmtUtils]: Spent 22.66s on a formula simplification. DAG size of input: 4527 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 00:36:28,212 WARN L234 SmtUtils]: Spent 1.93m on a formula simplification. DAG size of input: 7705 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Received shutdown request... [2023-08-25 00:36:30,523 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 00:36:30,537 WARN L266 SmtUtils]: Removed 3 from assertion stack [2023-08-25 00:36:30,537 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 00:36:30,538 INFO L158 Benchmark]: Toolchain (without parser) took 813288.57ms. Allocated memory was 348.1MB in the beginning and 15.1GB in the end (delta: 14.7GB). Free memory was 322.7MB in the beginning and 12.8GB in the end (delta: -12.5GB). Peak memory consumption was 8.1GB. Max. memory is 16.0GB. [2023-08-25 00:36:30,539 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 348.1MB. Free memory was 325.5MB in the beginning and 325.4MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 00:36:30,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 541.86ms. Allocated memory is still 348.1MB. Free memory was 322.7MB in the beginning and 296.9MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. [2023-08-25 00:36:30,540 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.06ms. Allocated memory is still 348.1MB. Free memory was 296.9MB in the beginning and 293.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 00:36:30,540 INFO L158 Benchmark]: Boogie Preprocessor took 54.69ms. Allocated memory is still 348.1MB. Free memory was 293.5MB in the beginning and 289.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 00:36:30,541 INFO L158 Benchmark]: RCFGBuilder took 270208.57ms. Allocated memory was 348.1MB in the beginning and 13.8GB in the end (delta: 13.5GB). Free memory was 289.3MB in the beginning and 12.2GB in the end (delta: -12.0GB). Peak memory consumption was 8.2GB. Max. memory is 16.0GB. [2023-08-25 00:36:30,541 INFO L158 Benchmark]: TraceAbstraction took 542410.47ms. Allocated memory was 13.8GB in the beginning and 15.1GB in the end (delta: 1.3GB). Free memory was 12.2GB in the beginning and 12.8GB in the end (delta: -553.7MB). Peak memory consumption was 6.6GB. Max. memory is 16.0GB. [2023-08-25 00:36:30,550 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 348.1MB. Free memory was 325.5MB in the beginning and 325.4MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 541.86ms. Allocated memory is still 348.1MB. Free memory was 322.7MB in the beginning and 296.9MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 51.06ms. Allocated memory is still 348.1MB. Free memory was 296.9MB in the beginning and 293.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 54.69ms. Allocated memory is still 348.1MB. Free memory was 293.5MB in the beginning and 289.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 270208.57ms. Allocated memory was 348.1MB in the beginning and 13.8GB in the end (delta: 13.5GB). Free memory was 289.3MB in the beginning and 12.2GB in the end (delta: -12.0GB). Peak memory consumption was 8.2GB. Max. memory is 16.0GB. * TraceAbstraction took 542410.47ms. Allocated memory was 13.8GB in the beginning and 15.1GB in the end (delta: 1.3GB). Free memory was 12.2GB in the beginning and 12.8GB in the end (delta: -553.7MB). Peak memory consumption was 6.6GB. 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 5285 for 2312ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown