/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf --traceabstraction.order.of.the.error.locations.to.be.checked INSUFFICIENT_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/pthread-wmm/safe004_power.opt_pso.opt_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 14:10:59,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 14:10:59,427 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 14:10:59,431 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 14:10:59,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 14:10:59,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 14:10:59,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 14:10:59,470 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 14:10:59,471 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 14:10:59,474 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 14:10:59,474 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 14:10:59,475 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 14:10:59,475 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 14:10:59,476 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 14:10:59,476 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 14:10:59,477 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 14:10:59,477 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 14:10:59,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 14:10:59,477 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 14:10:59,477 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 14:10:59,478 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 14:10:59,478 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 14:10:59,478 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 14:10:59,479 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 14:10:59,479 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 14:10:59,479 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 14:10:59,479 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 14:10:59,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 14:10:59,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 14:10:59,480 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 14:10:59,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 14:10:59,481 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 14:10:59,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 14:10:59,482 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 14:10:59,482 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 14:10:59,482 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 14:10:59,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 14:10:59,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 14:10:59,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 14:10:59,834 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 14:10:59,836 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 14:10:59,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe004_power.opt_pso.opt_rmo.opt.i [2023-08-25 14:11:01,021 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 14:11:01,283 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 14:11:01,284 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe004_power.opt_pso.opt_rmo.opt.i [2023-08-25 14:11:01,298 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbbc59fc1/ea2d4764f8be4664ae04962a2de311c8/FLAG1f571cf21 [2023-08-25 14:11:01,319 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbbc59fc1/ea2d4764f8be4664ae04962a2de311c8 [2023-08-25 14:11:01,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 14:11:01,323 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 14:11:01,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 14:11:01,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 14:11:01,326 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 14:11:01,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:11:01" (1/1) ... [2023-08-25 14:11:01,328 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32a1894f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:11:01, skipping insertion in model container [2023-08-25 14:11:01,328 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:11:01" (1/1) ... [2023-08-25 14:11:01,389 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 14:11:01,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 14:11:01,773 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 14:11:01,802 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-25 14:11:01,803 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-25 14:11:01,849 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 14:11:01,877 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 14:11:01,878 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 14:11:01,883 INFO L206 MainTranslator]: Completed translation [2023-08-25 14:11:01,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:11:01 WrapperNode [2023-08-25 14:11:01,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 14:11:01,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 14:11:01,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 14:11:01,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 14:11:01,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:11:01" (1/1) ... [2023-08-25 14:11:01,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:11:01" (1/1) ... [2023-08-25 14:11:01,984 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 940 [2023-08-25 14:11:01,984 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 14:11:01,985 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 14:11:01,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 14:11:01,985 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 14:11:02,003 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:11:01" (1/1) ... [2023-08-25 14:11:02,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:11:01" (1/1) ... [2023-08-25 14:11:02,011 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:11:01" (1/1) ... [2023-08-25 14:11:02,012 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:11:01" (1/1) ... [2023-08-25 14:11:02,042 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:11:01" (1/1) ... [2023-08-25 14:11:02,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:11:01" (1/1) ... [2023-08-25 14:11:02,049 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:11:01" (1/1) ... [2023-08-25 14:11:02,069 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:11:01" (1/1) ... [2023-08-25 14:11:02,081 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 14:11:02,082 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 14:11:02,082 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 14:11:02,082 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 14:11:02,083 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:11:01" (1/1) ... [2023-08-25 14:11:02,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 14:11:02,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 14:11:02,115 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 14:11:02,124 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 14:11:02,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 14:11:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 14:11:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 14:11:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 14:11:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 14:11:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-25 14:11:02,147 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-25 14:11:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-25 14:11:02,147 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-25 14:11:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-25 14:11:02,147 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-25 14:11:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 14:11:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 14:11:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 14:11:02,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 14:11:02,151 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 14:11:02,313 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 14:11:02,314 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 14:11:03,431 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 14:15:51,207 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 14:15:51,207 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 14:15:51,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:15:51 BoogieIcfgContainer [2023-08-25 14:15:51,210 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 14:15:51,211 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 14:15:51,212 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 14:15:51,214 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 14:15:51,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 02:11:01" (1/3) ... [2023-08-25 14:15:51,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64208376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:15:51, skipping insertion in model container [2023-08-25 14:15:51,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:11:01" (2/3) ... [2023-08-25 14:15:51,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64208376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:15:51, skipping insertion in model container [2023-08-25 14:15:51,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:15:51" (3/3) ... [2023-08-25 14:15:51,217 INFO L112 eAbstractionObserver]: Analyzing ICFG safe004_power.opt_pso.opt_rmo.opt.i [2023-08-25 14:15:51,231 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 14:15:51,231 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 247 error locations. [2023-08-25 14:15:51,232 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 14:16:01,341 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 14:16:01,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 367 places, 360 transitions, 735 flow [2023-08-25 14:16:19,782 INFO L124 PetriNetUnfolderBase]: 3/357 cut-off events. [2023-08-25 14:16:19,782 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 14:16:19,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 367 conditions, 357 events. 3/357 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1958 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 322. Up to 2 conditions per place. [2023-08-25 14:16:19,792 INFO L82 GeneralOperation]: Start removeDead. Operand has 367 places, 360 transitions, 735 flow [2023-08-25 14:16:19,812 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 364 places, 357 transitions, 723 flow [2023-08-25 14:16:19,815 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 14:16:19,826 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 364 places, 357 transitions, 723 flow [2023-08-25 14:16:19,832 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 364 places, 357 transitions, 723 flow [2023-08-25 14:16:19,832 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 364 places, 357 transitions, 723 flow [2023-08-25 14:16:37,279 INFO L124 PetriNetUnfolderBase]: 3/357 cut-off events. [2023-08-25 14:16:37,279 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 14:16:37,281 INFO L83 FinitePrefix]: Finished finitePrefix Result has 367 conditions, 357 events. 3/357 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1958 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 322. Up to 2 conditions per place. [2023-08-25 14:16:37,303 INFO L119 LiptonReduction]: Number of co-enabled transitions 59730 [2023-08-25 14:23:46,136 WARN L234 SmtUtils]: Spent 7.14m on a formula simplification. DAG size of input: 19162 DAG size of output: 1212 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Received shutdown request... [2023-08-25 14:25:07,743 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 14:25:07,789 WARN L266 SmtUtils]: Removed 3 from assertion stack [2023-08-25 14:25:07,790 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 14:25:07,791 INFO L158 Benchmark]: Toolchain (without parser) took 846467.32ms. Allocated memory was 343.9MB in the beginning and 11.0GB in the end (delta: 10.6GB). Free memory was 319.5MB in the beginning and 6.9GB in the end (delta: -6.6GB). Peak memory consumption was 8.0GB. Max. memory is 16.0GB. [2023-08-25 14:25:07,791 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 343.9MB. Free memory is still 320.7MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 14:25:07,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 560.05ms. Allocated memory is still 343.9MB. Free memory was 319.1MB in the beginning and 292.7MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. [2023-08-25 14:25:07,792 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.37ms. Allocated memory is still 343.9MB. Free memory was 292.7MB in the beginning and 288.0MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. [2023-08-25 14:25:07,793 INFO L158 Benchmark]: Boogie Preprocessor took 96.52ms. Allocated memory is still 343.9MB. Free memory was 288.0MB in the beginning and 283.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 14:25:07,793 INFO L158 Benchmark]: RCFGBuilder took 289127.71ms. Allocated memory was 343.9MB in the beginning and 10.3GB in the end (delta: 10.0GB). Free memory was 283.4MB in the beginning and 8.8GB in the end (delta: -8.5GB). Peak memory consumption was 6.8GB. Max. memory is 16.0GB. [2023-08-25 14:25:07,794 INFO L158 Benchmark]: TraceAbstraction took 556578.57ms. Allocated memory was 10.3GB in the beginning and 11.0GB in the end (delta: 639.6MB). Free memory was 8.8GB in the beginning and 6.9GB in the end (delta: 1.9GB). Peak memory consumption was 6.5GB. Max. memory is 16.0GB. [2023-08-25 14:25:07,796 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 343.9MB. Free memory is still 320.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 560.05ms. Allocated memory is still 343.9MB. Free memory was 319.1MB in the beginning and 292.7MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 99.37ms. Allocated memory is still 343.9MB. Free memory was 292.7MB in the beginning and 288.0MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. * Boogie Preprocessor took 96.52ms. Allocated memory is still 343.9MB. Free memory was 288.0MB in the beginning and 283.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 289127.71ms. Allocated memory was 343.9MB in the beginning and 10.3GB in the end (delta: 10.0GB). Free memory was 283.4MB in the beginning and 8.8GB in the end (delta: -8.5GB). Peak memory consumption was 6.8GB. Max. memory is 16.0GB. * TraceAbstraction took 556578.57ms. Allocated memory was 10.3GB in the beginning and 11.0GB in the end (delta: 639.6MB). Free memory was 8.8GB in the beginning and 6.9GB in the end (delta: 1.9GB). Peak memory consumption was 6.5GB. 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 364 places, 357 transitions, 723 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 364 places, 357 transitions, 723 flow and 59730 co-enabled transitions pairs.,while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 21729 for 78194ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown