/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/mix046.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-26 01:59:05,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 01:59:05,598 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 01:59:05,604 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 01:59:05,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 01:59:05,630 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 01:59:05,631 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 01:59:05,631 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 01:59:05,632 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 01:59:05,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 01:59:05,634 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 01:59:05,635 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 01:59:05,635 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 01:59:05,636 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 01:59:05,636 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 01:59:05,636 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 01:59:05,636 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 01:59:05,637 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 01:59:05,637 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 01:59:05,637 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 01:59:05,637 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 01:59:05,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 01:59:05,637 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 01:59:05,638 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 01:59:05,638 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 01:59:05,638 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 01:59:05,638 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 01:59:05,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 01:59:05,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 01:59:05,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 01:59:05,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 01:59:05,639 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 01:59:05,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 01:59:05,640 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 01:59:05,640 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 01:59:05,640 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-26 01:59:05,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 01:59:05,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 01:59:05,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 01:59:05,926 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 01:59:05,926 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 01:59:05,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix046.opt.i [2023-08-26 01:59:06,879 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 01:59:07,088 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 01:59:07,088 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix046.opt.i [2023-08-26 01:59:07,105 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a17282ced/108976b5ad37401eaf3d5efce07e21f4/FLAG4a1a13d3d [2023-08-26 01:59:07,113 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a17282ced/108976b5ad37401eaf3d5efce07e21f4 [2023-08-26 01:59:07,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 01:59:07,116 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 01:59:07,116 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 01:59:07,117 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 01:59:07,118 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 01:59:07,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 01:59:07" (1/1) ... [2023-08-26 01:59:07,119 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bdc46c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:59:07, skipping insertion in model container [2023-08-26 01:59:07,119 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 01:59:07" (1/1) ... [2023-08-26 01:59:07,158 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 01:59:07,452 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 01:59:07,463 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 01:59:07,482 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-26 01:59:07,484 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-26 01:59:07,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 01:59:07,537 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 01:59:07,537 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 01:59:07,542 INFO L206 MainTranslator]: Completed translation [2023-08-26 01:59:07,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:59:07 WrapperNode [2023-08-26 01:59:07,543 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 01:59:07,544 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 01:59:07,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 01:59:07,544 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 01:59:07,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:59:07" (1/1) ... [2023-08-26 01:59:07,563 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:59:07" (1/1) ... [2023-08-26 01:59:07,611 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 988 [2023-08-26 01:59:07,612 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 01:59:07,612 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 01:59:07,612 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 01:59:07,612 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 01:59:07,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:59:07" (1/1) ... [2023-08-26 01:59:07,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:59:07" (1/1) ... [2023-08-26 01:59:07,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:59:07" (1/1) ... [2023-08-26 01:59:07,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:59:07" (1/1) ... [2023-08-26 01:59:07,632 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:59:07" (1/1) ... [2023-08-26 01:59:07,636 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:59:07" (1/1) ... [2023-08-26 01:59:07,638 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:59:07" (1/1) ... [2023-08-26 01:59:07,640 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:59:07" (1/1) ... [2023-08-26 01:59:07,644 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 01:59:07,644 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 01:59:07,644 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 01:59:07,644 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 01:59:07,645 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:59:07" (1/1) ... [2023-08-26 01:59:07,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 01:59:07,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 01:59:07,677 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 01:59:07,682 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 01:59:07,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 01:59:07,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-26 01:59:07,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 01:59:07,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 01:59:07,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 01:59:07,700 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-26 01:59:07,701 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-26 01:59:07,701 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-26 01:59:07,701 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-26 01:59:07,701 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-26 01:59:07,701 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-26 01:59:07,701 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-08-26 01:59:07,701 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-08-26 01:59:07,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 01:59:07,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-26 01:59:07,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 01:59:07,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 01:59:07,703 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 01:59:07,854 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 01:59:07,856 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 01:59:08,735 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 02:00:31,221 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 02:00:31,221 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-26 02:00:31,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:00:31 BoogieIcfgContainer [2023-08-26 02:00:31,224 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 02:00:31,225 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 02:00:31,225 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 02:00:31,227 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 02:00:31,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 01:59:07" (1/3) ... [2023-08-26 02:00:31,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b982dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:00:31, skipping insertion in model container [2023-08-26 02:00:31,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:59:07" (2/3) ... [2023-08-26 02:00:31,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b982dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:00:31, skipping insertion in model container [2023-08-26 02:00:31,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:00:31" (3/3) ... [2023-08-26 02:00:31,229 INFO L112 eAbstractionObserver]: Analyzing ICFG mix046.opt.i [2023-08-26 02:00:31,241 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 02:00:31,241 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 229 error locations. [2023-08-26 02:00:31,241 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 02:00:35,219 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-26 02:00:35,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 375 places, 365 transitions, 750 flow [2023-08-26 02:00:46,738 INFO L124 PetriNetUnfolderBase]: 3/361 cut-off events. [2023-08-26 02:00:46,739 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 02:00:46,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 374 conditions, 361 events. 3/361 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 1845 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 322. Up to 2 conditions per place. [2023-08-26 02:00:46,746 INFO L82 GeneralOperation]: Start removeDead. Operand has 375 places, 365 transitions, 750 flow [2023-08-26 02:00:46,760 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 371 places, 361 transitions, 734 flow [2023-08-26 02:00:46,763 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 02:00:46,772 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 371 places, 361 transitions, 734 flow [2023-08-26 02:00:46,776 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 371 places, 361 transitions, 734 flow [2023-08-26 02:00:46,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 371 places, 361 transitions, 734 flow [2023-08-26 02:00:57,916 INFO L124 PetriNetUnfolderBase]: 3/361 cut-off events. [2023-08-26 02:00:57,916 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 02:00:57,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 374 conditions, 361 events. 3/361 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 1842 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 322. Up to 2 conditions per place. [2023-08-26 02:00:57,932 INFO L119 LiptonReduction]: Number of co-enabled transitions 53234 [2023-08-26 02:07:05,030 WARN L234 SmtUtils]: Spent 6.10m on a formula simplification. DAG size of input: 19552 DAG size of output: 1192 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 02:07:10,835 WARN L234 SmtUtils]: Spent 5.77s on a formula simplification. DAG size of input: 1093 DAG size of output: 1090 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Received shutdown request... [2023-08-26 02:13:29,550 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 02:13:29,731 WARN L266 SmtUtils]: Removed 3 from assertion stack [2023-08-26 02:13:29,732 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 02:13:29,733 INFO L158 Benchmark]: Toolchain (without parser) took 862617.29ms. Allocated memory was 362.8MB in the beginning and 9.3GB in the end (delta: 8.9GB). Free memory was 338.5MB in the beginning and 4.8GB in the end (delta: -4.5GB). Peak memory consumption was 6.4GB. Max. memory is 16.0GB. [2023-08-26 02:13:29,734 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 362.8MB. Free memory was 340.3MB in the beginning and 340.2MB in the end (delta: 80.5kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 02:13:29,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.90ms. Allocated memory is still 362.8MB. Free memory was 338.1MB in the beginning and 311.9MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. [2023-08-26 02:13:29,735 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.52ms. Allocated memory is still 362.8MB. Free memory was 311.9MB in the beginning and 307.2MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-26 02:13:29,735 INFO L158 Benchmark]: Boogie Preprocessor took 31.50ms. Allocated memory is still 362.8MB. Free memory was 307.2MB in the beginning and 302.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-26 02:13:29,736 INFO L158 Benchmark]: RCFGBuilder took 83579.68ms. Allocated memory was 362.8MB in the beginning and 9.3GB in the end (delta: 8.9GB). Free memory was 302.9MB in the beginning and 7.3GB in the end (delta: -7.0GB). Peak memory consumption was 3.5GB. Max. memory is 16.0GB. [2023-08-26 02:13:29,736 INFO L158 Benchmark]: TraceAbstraction took 778507.17ms. Allocated memory is still 9.3GB. Free memory was 7.3GB in the beginning and 4.8GB in the end (delta: 2.5GB). Peak memory consumption was 4.4GB. Max. memory is 16.0GB. [2023-08-26 02:13:29,742 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 362.8MB. Free memory was 340.3MB in the beginning and 340.2MB in the end (delta: 80.5kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 426.90ms. Allocated memory is still 362.8MB. Free memory was 338.1MB in the beginning and 311.9MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 67.52ms. Allocated memory is still 362.8MB. Free memory was 311.9MB in the beginning and 307.2MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 31.50ms. Allocated memory is still 362.8MB. Free memory was 307.2MB in the beginning and 302.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 83579.68ms. Allocated memory was 362.8MB in the beginning and 9.3GB in the end (delta: 8.9GB). Free memory was 302.9MB in the beginning and 7.3GB in the end (delta: -7.0GB). Peak memory consumption was 3.5GB. Max. memory is 16.0GB. * TraceAbstraction took 778507.17ms. Allocated memory is still 9.3GB. Free memory was 7.3GB in the beginning and 4.8GB in the end (delta: 2.5GB). Peak memory consumption was 4.4GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] * 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 371 places, 361 transitions, 734 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 371 places, 361 transitions, 734 flow and 53234 co-enabled transitions pairs.,while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 23220 for 378838ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown