/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 PROGRAM_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/safe018_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-26 05:03:01,168 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 05:03:01,244 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 [2023-08-26 05:03:01,250 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 05:03:01,251 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 05:03:01,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 05:03:01,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 05:03:01,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 05:03:01,286 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 05:03:01,289 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 05:03:01,289 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 05:03:01,289 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 05:03:01,290 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 05:03:01,291 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 05:03:01,291 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 05:03:01,291 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 05:03:01,291 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 05:03:01,292 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 05:03:01,292 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 05:03:01,292 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 05:03:01,292 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 05:03:01,293 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 05:03:01,293 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 05:03:01,293 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 05:03:01,294 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 05:03:01,294 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 05:03:01,294 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 05:03:01,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 05:03:01,295 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 05:03:01,295 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 05:03:01,296 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 05:03:01,296 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 05:03:01,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 05:03:01,296 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 05:03:01,296 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 05:03:01,296 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-26 05:03:01,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 05:03:01,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 05:03:01,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 05:03:01,603 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 05:03:01,604 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 05:03:01,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_rmo.opt.i [2023-08-26 05:03:02,894 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 05:03:03,171 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 05:03:03,171 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_rmo.opt.i [2023-08-26 05:03:03,190 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c243bd719/7758f190f04b4c9fa7b468cbd55a7018/FLAG3d3beb1ac [2023-08-26 05:03:03,202 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c243bd719/7758f190f04b4c9fa7b468cbd55a7018 [2023-08-26 05:03:03,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 05:03:03,208 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 05:03:03,209 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 05:03:03,209 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 05:03:03,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 05:03:03,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 05:03:03" (1/1) ... [2023-08-26 05:03:03,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75c61c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:03:03, skipping insertion in model container [2023-08-26 05:03:03,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 05:03:03" (1/1) ... [2023-08-26 05:03:03,258 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 05:03:03,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 05:03:03,700 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 05:03:03,730 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-08-26 05:03:03,731 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-08-26 05:03:03,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 05:03:03,828 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 05:03:03,828 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 05:03:03,834 INFO L206 MainTranslator]: Completed translation [2023-08-26 05:03:03,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:03:03 WrapperNode [2023-08-26 05:03:03,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 05:03:03,836 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 05:03:03,836 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 05:03:03,836 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 05:03:03,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:03:03" (1/1) ... [2023-08-26 05:03:03,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:03:03" (1/1) ... [2023-08-26 05:03:03,932 INFO L138 Inliner]: procedures = 176, calls = 74, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 319 [2023-08-26 05:03:03,933 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 05:03:03,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 05:03:03,933 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 05:03:03,934 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 05:03:03,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:03:03" (1/1) ... [2023-08-26 05:03:03,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:03:03" (1/1) ... [2023-08-26 05:03:03,960 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:03:03" (1/1) ... [2023-08-26 05:03:03,960 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:03:03" (1/1) ... [2023-08-26 05:03:03,999 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:03:03" (1/1) ... [2023-08-26 05:03:04,007 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:03:03" (1/1) ... [2023-08-26 05:03:04,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:03:03" (1/1) ... [2023-08-26 05:03:04,015 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:03:03" (1/1) ... [2023-08-26 05:03:04,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 05:03:04,023 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 05:03:04,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 05:03:04,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 05:03:04,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:03:03" (1/1) ... [2023-08-26 05:03:04,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 05:03:04,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 05:03:04,062 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) [2023-08-26 05:03:04,069 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 [2023-08-26 05:03:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-26 05:03:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 05:03:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-26 05:03:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 05:03:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 05:03:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 05:03:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-26 05:03:04,103 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-26 05:03:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-26 05:03:04,103 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-26 05:03:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-26 05:03:04,103 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-26 05:03:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 05:03:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-26 05:03:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 05:03:04,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 05:03:04,107 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-26 05:03:04,343 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 05:03:04,345 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 05:03:05,822 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 05:06:56,529 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 05:06:56,529 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-26 05:06:56,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 05:06:56 BoogieIcfgContainer [2023-08-26 05:06:56,532 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 05:06:56,534 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 05:06:56,534 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 05:06:56,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 05:06:56,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 05:03:03" (1/3) ... [2023-08-26 05:06:56,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@377c4b61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 05:06:56, skipping insertion in model container [2023-08-26 05:06:56,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:03:03" (2/3) ... [2023-08-26 05:06:56,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@377c4b61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 05:06:56, skipping insertion in model container [2023-08-26 05:06:56,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 05:06:56" (3/3) ... [2023-08-26 05:06:56,539 INFO L112 eAbstractionObserver]: Analyzing ICFG safe018_rmo.opt.i [2023-08-26 05:06:56,555 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 05:06:56,556 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 305 error locations. [2023-08-26 05:06:56,556 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 05:07:33,372 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-26 05:07:33,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 443 places, 436 transitions, 887 flow [2023-08-26 05:08:06,485 INFO L124 PetriNetUnfolderBase]: 3/433 cut-off events. [2023-08-26 05:08:06,485 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 05:08:06,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 443 conditions, 433 events. 3/433 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2629 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 378. Up to 2 conditions per place. [2023-08-26 05:08:06,498 INFO L82 GeneralOperation]: Start removeDead. Operand has 443 places, 436 transitions, 887 flow [2023-08-26 05:08:06,518 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 440 places, 433 transitions, 875 flow [2023-08-26 05:08:06,521 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 05:08:06,530 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 440 places, 433 transitions, 875 flow [2023-08-26 05:08:06,532 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 440 places, 433 transitions, 875 flow [2023-08-26 05:08:06,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 440 places, 433 transitions, 875 flow [2023-08-26 05:08:36,809 INFO L124 PetriNetUnfolderBase]: 3/433 cut-off events. [2023-08-26 05:08:36,809 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 05:08:36,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 443 conditions, 433 events. 3/433 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2634 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 378. Up to 2 conditions per place. [2023-08-26 05:08:36,840 INFO L119 LiptonReduction]: Number of co-enabled transitions 95424 [2023-08-26 05:09:03,110 WARN L234 SmtUtils]: Spent 16.70s on a formula simplification. DAG size of input: 963 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:09:25,046 WARN L234 SmtUtils]: Spent 12.30s on a formula simplification. DAG size of input: 977 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:11:31,019 WARN L234 SmtUtils]: Spent 2.10m on a formula simplification. DAG size of input: 2355 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:13:38,221 WARN L234 SmtUtils]: Spent 2.12m on a formula simplification. DAG size of input: 2413 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:13:53,659 WARN L234 SmtUtils]: Spent 11.46s on a formula simplification. DAG size of input: 914 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:14:05,563 WARN L234 SmtUtils]: Spent 11.90s on a formula simplification. DAG size of input: 914 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:14:10,804 WARN L234 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 914 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:15:20,666 WARN L234 SmtUtils]: Spent 1.16m on a formula simplification. DAG size of input: 2904 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Received shutdown request... [2023-08-26 05:16:05,299 WARN L266 SmtUtils]: Removed 3 from assertion stack [2023-08-26 05:16:05,299 INFO L257 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction. Reason: Timeout or Toolchain cancelled by user [2023-08-26 05:16:05,300 INFO L158 Benchmark]: Toolchain (without parser) took 782092.53ms. Allocated memory was 331.4MB in the beginning and 16.0GB in the end (delta: 15.7GB). Free memory was 306.6MB in the beginning and 12.3GB in the end (delta: -11.9GB). Peak memory consumption was 13.1GB. Max. memory is 16.0GB. [2023-08-26 05:16:05,301 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 331.4MB. Free memory is still 308.8MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 05:16:05,301 INFO L158 Benchmark]: CACSL2BoogieTranslator took 626.16ms. Allocated memory is still 331.4MB. Free memory was 306.1MB in the beginning and 277.2MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. [2023-08-26 05:16:05,302 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 [2023-08-26 05:16:05,302 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.84ms. Allocated memory is still 331.4MB. Free memory was 277.2MB in the beginning and 274.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-26 05:16:05,302 INFO L158 Benchmark]: Boogie Preprocessor took 89.49ms. Allocated memory is still 331.4MB. Free memory was 274.1MB in the beginning and 267.3MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. [2023-08-26 05:16:05,303 INFO L158 Benchmark]: RCFGBuilder took 232508.53ms. Allocated memory was 331.4MB in the beginning and 15.9GB in the end (delta: 15.6GB). Free memory was 267.3MB in the beginning and 13.2GB in the end (delta: -12.9GB). Peak memory consumption was 3.8GB. Max. memory is 16.0GB. [2023-08-26 05:16:05,303 INFO L158 Benchmark]: TraceAbstraction took 548765.79ms. Allocated memory was 15.9GB in the beginning and 16.0GB in the end (delta: 37.7MB). Free memory was 13.2GB in the beginning and 12.3GB in the end (delta: 904.9MB). Peak memory consumption was 10.4GB. Max. memory is 16.0GB. [2023-08-26 05:16:05,306 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 331.4MB. Free memory is still 308.8MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 626.16ms. Allocated memory is still 331.4MB. Free memory was 306.1MB in the beginning and 277.2MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 96.84ms. Allocated memory is still 331.4MB. Free memory was 277.2MB in the beginning and 274.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 89.49ms. Allocated memory is still 331.4MB. Free memory was 274.1MB in the beginning and 267.3MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. * RCFGBuilder took 232508.53ms. Allocated memory was 331.4MB in the beginning and 15.9GB in the end (delta: 15.6GB). Free memory was 267.3MB in the beginning and 13.2GB in the end (delta: -12.9GB). Peak memory consumption was 3.8GB. Max. memory is 16.0GB. * TraceAbstraction took 548765.79ms. Allocated memory was 15.9GB in the beginning and 16.0GB in the end (delta: 37.7MB). Free memory was 13.2GB in the beginning and 12.3GB in the end (delta: 904.9MB). Peak memory consumption was 10.4GB. 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 440 places, 433 transitions, 875 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 440 places, 433 transitions, 875 flow and 95424 co-enabled transitions pairs.,while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 2826 for 44623ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown