/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/mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-26 02:01:05,483 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 02:01:05,564 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 02:01:05,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 02:01:05,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 02:01:05,599 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 02:01:05,600 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 02:01:05,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 02:01:05,601 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 02:01:05,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 02:01:05,604 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 02:01:05,605 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 02:01:05,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 02:01:05,606 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 02:01:05,606 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 02:01:05,606 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 02:01:05,607 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 02:01:05,607 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 02:01:05,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 02:01:05,607 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 02:01:05,607 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 02:01:05,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 02:01:05,608 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 02:01:05,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 02:01:05,608 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 02:01:05,609 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 02:01:05,609 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 02:01:05,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 02:01:05,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 02:01:05,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 02:01:05,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 02:01:05,610 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 02:01:05,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 02:01:05,611 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 02:01:05,611 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 02:01:05,611 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-26 02:01:05,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 02:01:05,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 02:01:05,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 02:01:05,910 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 02:01:05,910 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 02:01:05,911 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2023-08-26 02:01:07,075 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 02:01:07,349 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 02:01:07,350 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2023-08-26 02:01:07,368 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f715846a1/bf480817638c4713a97d7da106ecb6ee/FLAG7bf165214 [2023-08-26 02:01:07,381 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f715846a1/bf480817638c4713a97d7da106ecb6ee [2023-08-26 02:01:07,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 02:01:07,387 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 02:01:07,388 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 02:01:07,388 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 02:01:07,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 02:01:07,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:01:07" (1/1) ... [2023-08-26 02:01:07,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@108349ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:01:07, skipping insertion in model container [2023-08-26 02:01:07,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:01:07" (1/1) ... [2023-08-26 02:01:07,441 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 02:01:07,794 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 02:01:07,806 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 02:01:07,836 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-26 02:01:07,837 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-26 02:01:07,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 02:01:07,944 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 02:01:07,944 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 02:01:07,950 INFO L206 MainTranslator]: Completed translation [2023-08-26 02:01:07,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:01:07 WrapperNode [2023-08-26 02:01:07,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 02:01:07,952 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 02:01:07,952 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 02:01:07,952 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 02:01:07,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:01:07" (1/1) ... [2023-08-26 02:01:07,992 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:01:07" (1/1) ... [2023-08-26 02:01:08,043 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 987 [2023-08-26 02:01:08,044 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 02:01:08,044 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 02:01:08,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 02:01:08,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 02:01:08,062 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:01:07" (1/1) ... [2023-08-26 02:01:08,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:01:07" (1/1) ... [2023-08-26 02:01:08,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:01:07" (1/1) ... [2023-08-26 02:01:08,066 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:01:07" (1/1) ... [2023-08-26 02:01:08,093 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:01:07" (1/1) ... [2023-08-26 02:01:08,108 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:01:07" (1/1) ... [2023-08-26 02:01:08,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:01:07" (1/1) ... [2023-08-26 02:01:08,114 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:01:07" (1/1) ... [2023-08-26 02:01:08,119 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 02:01:08,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 02:01:08,120 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 02:01:08,120 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 02:01:08,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:01:07" (1/1) ... [2023-08-26 02:01:08,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 02:01:08,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 02:01:08,170 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 02:01:08,195 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 02:01:08,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 02:01:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-26 02:01:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 02:01:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 02:01:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 02:01:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-26 02:01:08,210 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-26 02:01:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-26 02:01:08,210 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-26 02:01:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-26 02:01:08,210 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-26 02:01:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-08-26 02:01:08,211 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-08-26 02:01:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 02:01:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-26 02:01:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 02:01:08,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 02:01:08,214 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 02:01:08,393 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 02:01:08,395 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 02:01:09,504 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 02:03:55,695 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 02:03:55,695 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-26 02:03:55,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:03:55 BoogieIcfgContainer [2023-08-26 02:03:55,698 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 02:03:55,699 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 02:03:55,699 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 02:03:55,702 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 02:03:55,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 02:01:07" (1/3) ... [2023-08-26 02:03:55,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce62d0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:03:55, skipping insertion in model container [2023-08-26 02:03:55,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:01:07" (2/3) ... [2023-08-26 02:03:55,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce62d0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:03:55, skipping insertion in model container [2023-08-26 02:03:55,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:03:55" (3/3) ... [2023-08-26 02:03:55,704 INFO L112 eAbstractionObserver]: Analyzing ICFG mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2023-08-26 02:03:55,717 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 02:03:55,717 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 228 error locations. [2023-08-26 02:03:55,717 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 02:04:00,185 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-26 02:04:00,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 373 places, 363 transitions, 746 flow [2023-08-26 02:04:05,641 INFO L124 PetriNetUnfolderBase]: 3/359 cut-off events. [2023-08-26 02:04:05,642 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 02:04:05,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 359 events. 3/359 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 1831 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 321. Up to 2 conditions per place. [2023-08-26 02:04:05,654 INFO L82 GeneralOperation]: Start removeDead. Operand has 373 places, 363 transitions, 746 flow [2023-08-26 02:04:05,673 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 369 places, 359 transitions, 730 flow [2023-08-26 02:04:05,677 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 02:04:05,688 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 369 places, 359 transitions, 730 flow [2023-08-26 02:04:05,690 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 369 places, 359 transitions, 730 flow [2023-08-26 02:04:05,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 369 places, 359 transitions, 730 flow [2023-08-26 02:04:10,524 INFO L124 PetriNetUnfolderBase]: 3/359 cut-off events. [2023-08-26 02:04:10,525 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 02:04:10,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 359 events. 3/359 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 1834 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 321. Up to 2 conditions per place. [2023-08-26 02:04:10,545 INFO L119 LiptonReduction]: Number of co-enabled transitions 52624 [2023-08-26 02:07:50,778 WARN L234 SmtUtils]: Spent 3.65m on a formula simplification. DAG size of input: 12538 DAG size of output: 1378 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 02:07:57,828 WARN L234 SmtUtils]: Spent 7.01s on a formula simplification. DAG size of input: 1248 DAG size of output: 1247 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 02:13:36,346 WARN L234 SmtUtils]: Spent 5.64m on a formula simplification. DAG size of input: 15187 DAG size of output: 1801 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 02:13:50,700 WARN L234 SmtUtils]: Spent 14.31s on a formula simplification. DAG size of input: 1642 DAG size of output: 1640 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 02:13:59,391 WARN L234 SmtUtils]: Spent 7.50s on a formula simplification. DAG size of input: 1249 DAG size of output: 1243 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 02:14:18,024 WARN L234 SmtUtils]: Spent 14.85s on a formula simplification. DAG size of input: 1643 DAG size of output: 1633 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 02:14:25,704 WARN L234 SmtUtils]: Spent 7.61s on a formula simplification that was a NOOP. DAG size: 1633 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 02:14:33,041 WARN L234 SmtUtils]: Spent 6.58s on a formula simplification. DAG size of input: 1245 DAG size of output: 1076 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 02:14:55,958 WARN L234 SmtUtils]: Spent 19.47s on a formula simplification. DAG size of input: 1636 DAG size of output: 1455 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Received shutdown request... [2023-08-26 02:15:01,735 WARN L266 SmtUtils]: Removed 82 from assertion stack [2023-08-26 02:15:01,736 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 02:15:01,737 INFO L158 Benchmark]: Toolchain (without parser) took 834350.34ms. Allocated memory was 377.5MB in the beginning and 12.0GB in the end (delta: 11.6GB). Free memory was 350.9MB in the beginning and 8.1GB in the end (delta: -7.8GB). Peak memory consumption was 8.1GB. Max. memory is 16.0GB. [2023-08-26 02:15:01,738 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 377.5MB. Free memory was 354.7MB in the beginning and 354.6MB in the end (delta: 94.3kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 02:15:01,738 INFO L158 Benchmark]: CACSL2BoogieTranslator took 563.22ms. Allocated memory is still 377.5MB. Free memory was 350.9MB in the beginning and 324.3MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. [2023-08-26 02:15:01,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.80ms. Allocated memory is still 377.5MB. Free memory was 324.3MB in the beginning and 319.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-26 02:15:01,739 INFO L158 Benchmark]: Boogie Preprocessor took 74.46ms. Allocated memory is still 377.5MB. Free memory was 319.5MB in the beginning and 315.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-26 02:15:01,740 INFO L158 Benchmark]: RCFGBuilder took 167578.26ms. Allocated memory was 377.5MB in the beginning and 12.0GB in the end (delta: 11.6GB). Free memory was 315.3MB in the beginning and 10.3GB in the end (delta: -10.0GB). Peak memory consumption was 3.5GB. Max. memory is 16.0GB. [2023-08-26 02:15:01,740 INFO L158 Benchmark]: TraceAbstraction took 666036.92ms. Allocated memory is still 12.0GB. Free memory was 10.3GB in the beginning and 8.1GB in the end (delta: 2.1GB). Peak memory consumption was 6.4GB. Max. memory is 16.0GB. [2023-08-26 02:15:01,743 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 377.5MB. Free memory was 354.7MB in the beginning and 354.6MB in the end (delta: 94.3kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 563.22ms. Allocated memory is still 377.5MB. Free memory was 350.9MB in the beginning and 324.3MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 91.80ms. Allocated memory is still 377.5MB. Free memory was 324.3MB in the beginning and 319.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 74.46ms. Allocated memory is still 377.5MB. Free memory was 319.5MB in the beginning and 315.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 167578.26ms. Allocated memory was 377.5MB in the beginning and 12.0GB in the end (delta: 11.6GB). Free memory was 315.3MB in the beginning and 10.3GB in the end (delta: -10.0GB). Peak memory consumption was 3.5GB. Max. memory is 16.0GB. * TraceAbstraction took 666036.92ms. Allocated memory is still 12.0GB. Free memory was 10.3GB in the beginning and 8.1GB in the end (delta: 2.1GB). Peak memory consumption was 6.4GB. 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 369 places, 359 transitions, 730 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 369 places, 359 transitions, 730 flow and 39730 co-enabled transitions pairs.,while SimplifyDDAWithTimeout was simplifying term of DAG size 1444 for 5739ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown