/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/goblint-regression/28-race_reach_91-arrayloop2_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-26 08:06:27,570 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 08:06:27,648 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 08:06:27,653 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 08:06:27,654 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 08:06:27,686 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 08:06:27,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 08:06:27,687 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 08:06:27,687 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 08:06:27,691 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 08:06:27,691 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 08:06:27,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 08:06:27,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 08:06:27,693 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 08:06:27,693 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 08:06:27,693 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 08:06:27,693 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 08:06:27,693 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 08:06:27,694 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 08:06:27,694 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 08:06:27,694 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 08:06:27,695 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 08:06:27,695 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 08:06:27,695 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 08:06:27,696 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 08:06:27,696 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 08:06:27,696 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 08:06:27,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 08:06:27,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 08:06:27,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 08:06:27,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 08:06:27,698 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 08:06:27,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 08:06:27,698 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 08:06:27,699 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 08:06:27,699 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-26 08:06:28,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 08:06:28,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 08:06:28,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 08:06:28,065 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 08:06:28,065 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 08:06:28,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2023-08-26 08:06:29,150 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 08:06:29,493 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 08:06:29,494 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2023-08-26 08:06:29,514 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb959b05b/93d4fa96a92d49b6858a98160b1d7273/FLAGf5a8d2298 [2023-08-26 08:06:29,529 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb959b05b/93d4fa96a92d49b6858a98160b1d7273 [2023-08-26 08:06:29,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 08:06:29,535 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 08:06:29,537 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 08:06:29,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 08:06:29,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 08:06:29,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:06:29" (1/1) ... [2023-08-26 08:06:29,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46cbabb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:06:29, skipping insertion in model container [2023-08-26 08:06:29,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:06:29" (1/1) ... [2023-08-26 08:06:29,593 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 08:06:29,988 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-26 08:06:29,989 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-26 08:06:29,990 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-26 08:06:29,990 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-26 08:06:30,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 08:06:30,025 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 08:06:30,039 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [244] [2023-08-26 08:06:30,041 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [244] [2023-08-26 08:06:30,070 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-26 08:06:30,070 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-26 08:06:30,071 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-26 08:06:30,072 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-26 08:06:30,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 08:06:30,155 INFO L206 MainTranslator]: Completed translation [2023-08-26 08:06:30,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:06:30 WrapperNode [2023-08-26 08:06:30,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 08:06:30,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 08:06:30,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 08:06:30,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 08:06:30,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:06:30" (1/1) ... [2023-08-26 08:06:30,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:06:30" (1/1) ... [2023-08-26 08:06:30,239 INFO L138 Inliner]: procedures = 277, calls = 46, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 303 [2023-08-26 08:06:30,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 08:06:30,249 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 08:06:30,249 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 08:06:30,249 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 08:06:30,256 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:06:30" (1/1) ... [2023-08-26 08:06:30,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:06:30" (1/1) ... [2023-08-26 08:06:30,262 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:06:30" (1/1) ... [2023-08-26 08:06:30,263 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:06:30" (1/1) ... [2023-08-26 08:06:30,290 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:06:30" (1/1) ... [2023-08-26 08:06:30,295 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:06:30" (1/1) ... [2023-08-26 08:06:30,298 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:06:30" (1/1) ... [2023-08-26 08:06:30,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:06:30" (1/1) ... [2023-08-26 08:06:30,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 08:06:30,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 08:06:30,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 08:06:30,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 08:06:30,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:06:30" (1/1) ... [2023-08-26 08:06:30,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 08:06:30,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 08:06:30,344 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 08:06:30,367 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 08:06:30,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 08:06:30,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-26 08:06:30,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 08:06:30,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-26 08:06:30,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 08:06:30,381 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-26 08:06:30,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-26 08:06:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 08:06:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-26 08:06:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-26 08:06:30,383 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-26 08:06:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 08:06:30,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 08:06:30,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 08:06:30,385 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 08:06:30,552 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 08:06:30,553 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 08:06:30,952 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 08:06:30,959 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 08:06:30,959 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-08-26 08:06:30,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:06:30 BoogieIcfgContainer [2023-08-26 08:06:30,962 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 08:06:30,963 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 08:06:30,963 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 08:06:30,966 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 08:06:30,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:06:29" (1/3) ... [2023-08-26 08:06:30,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1e56ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:06:30, skipping insertion in model container [2023-08-26 08:06:30,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:06:30" (2/3) ... [2023-08-26 08:06:30,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1e56ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:06:30, skipping insertion in model container [2023-08-26 08:06:30,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:06:30" (3/3) ... [2023-08-26 08:06:30,968 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_91-arrayloop2_racefree.i [2023-08-26 08:06:30,983 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 08:06:30,983 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2023-08-26 08:06:30,983 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 08:06:31,065 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-26 08:06:31,110 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 300 places, 322 transitions, 652 flow [2023-08-26 08:06:31,250 INFO L124 PetriNetUnfolderBase]: 27/346 cut-off events. [2023-08-26 08:06:31,251 INFO L125 PetriNetUnfolderBase]: For 1/2 co-relation queries the response was YES. [2023-08-26 08:06:31,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 352 conditions, 346 events. 27/346 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 888 event pairs, 0 based on Foata normal form. 0/296 useless extension candidates. Maximal degree in co-relation 173. Up to 4 conditions per place. [2023-08-26 08:06:31,261 INFO L82 GeneralOperation]: Start removeDead. Operand has 300 places, 322 transitions, 652 flow [2023-08-26 08:06:31,272 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 300 places, 322 transitions, 652 flow [2023-08-26 08:06:31,275 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 08:06:31,287 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 300 places, 322 transitions, 652 flow [2023-08-26 08:06:31,295 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 300 places, 322 transitions, 652 flow [2023-08-26 08:06:31,296 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 300 places, 322 transitions, 652 flow [2023-08-26 08:06:31,354 INFO L124 PetriNetUnfolderBase]: 27/346 cut-off events. [2023-08-26 08:06:31,354 INFO L125 PetriNetUnfolderBase]: For 1/2 co-relation queries the response was YES. [2023-08-26 08:06:31,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 352 conditions, 346 events. 27/346 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 888 event pairs, 0 based on Foata normal form. 0/296 useless extension candidates. Maximal degree in co-relation 173. Up to 4 conditions per place. [2023-08-26 08:06:31,367 INFO L119 LiptonReduction]: Number of co-enabled transitions 8220 [2023-08-26 08:07:01,602 WARN L234 SmtUtils]: Spent 6.22s on a formula simplification. DAG size of input: 130 DAG size of output: 124 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 08:07:10,080 WARN L234 SmtUtils]: Spent 5.91s on a formula simplification. DAG size of input: 130 DAG size of output: 124 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 08:07:27,504 WARN L234 SmtUtils]: Spent 12.68s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 08:07:37,741 WARN L234 SmtUtils]: Spent 10.24s on a formula simplification that was a NOOP. DAG size: 142 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 08:07:49,823 WARN L234 SmtUtils]: Spent 12.08s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 08:07:59,390 WARN L234 SmtUtils]: Spent 9.56s on a formula simplification that was a NOOP. DAG size: 142 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 08:09:13,636 WARN L234 SmtUtils]: Spent 1.19m on a formula simplification that was a NOOP. DAG size: 228 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 08:09:50,585 WARN L234 SmtUtils]: Spent 36.95s on a formula simplification that was a NOOP. DAG size: 216 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 08:11:21,510 WARN L234 SmtUtils]: Spent 1.52m on a formula simplification that was a NOOP. DAG size: 228 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 08:12:34,765 WARN L234 SmtUtils]: Spent 1.22m on a formula simplification that was a NOOP. DAG size: 216 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 08:15:19,489 WARN L234 SmtUtils]: Spent 2.75m on a formula simplification that was a NOOP. DAG size: 268 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 08:17:16,519 WARN L234 SmtUtils]: Spent 1.95m on a formula simplification that was a NOOP. DAG size: 252 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 08:19:43,725 WARN L234 SmtUtils]: Spent 2.45m on a formula simplification that was a NOOP. DAG size: 268 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Received shutdown request... [2023-08-26 08:21:14,409 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 08:21:14,436 WARN L266 SmtUtils]: Removed 16 from assertion stack [2023-08-26 08:21:14,436 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 08:21:14,438 INFO L158 Benchmark]: Toolchain (without parser) took 884902.70ms. Allocated memory was 381.7MB in the beginning and 499.1MB in the end (delta: 117.4MB). Free memory was 356.9MB in the beginning and 182.0MB in the end (delta: 174.9MB). Peak memory consumption was 296.1MB. Max. memory is 16.0GB. [2023-08-26 08:21:14,438 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 381.7MB. Free memory is still 358.4MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 08:21:14,439 INFO L158 Benchmark]: CACSL2BoogieTranslator took 618.02ms. Allocated memory is still 381.7MB. Free memory was 356.5MB in the beginning and 323.8MB in the end (delta: 32.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.0GB. [2023-08-26 08:21:14,439 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.13ms. Allocated memory is still 381.7MB. Free memory was 323.8MB in the beginning and 319.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-26 08:21:14,440 INFO L158 Benchmark]: Boogie Preprocessor took 56.16ms. Allocated memory is still 381.7MB. Free memory was 319.6MB in the beginning and 315.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-26 08:21:14,440 INFO L158 Benchmark]: RCFGBuilder took 655.80ms. Allocated memory is still 381.7MB. Free memory was 315.9MB in the beginning and 334.7MB in the end (delta: -18.8MB). Peak memory consumption was 19.6MB. Max. memory is 16.0GB. [2023-08-26 08:21:14,441 INFO L158 Benchmark]: TraceAbstraction took 883473.59ms. Allocated memory was 381.7MB in the beginning and 499.1MB in the end (delta: 117.4MB). Free memory was 333.8MB in the beginning and 182.0MB in the end (delta: 151.8MB). Peak memory consumption was 272.2MB. Max. memory is 16.0GB. [2023-08-26 08:21:14,443 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 381.7MB. Free memory is still 358.4MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 618.02ms. Allocated memory is still 381.7MB. Free memory was 356.5MB in the beginning and 323.8MB in the end (delta: 32.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 84.13ms. Allocated memory is still 381.7MB. Free memory was 323.8MB in the beginning and 319.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 56.16ms. Allocated memory is still 381.7MB. Free memory was 319.6MB in the beginning and 315.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 655.80ms. Allocated memory is still 381.7MB. Free memory was 315.9MB in the beginning and 334.7MB in the end (delta: -18.8MB). Peak memory consumption was 19.6MB. Max. memory is 16.0GB. * TraceAbstraction took 883473.59ms. Allocated memory was 381.7MB in the beginning and 499.1MB in the end (delta: 117.4MB). Free memory was 333.8MB in the beginning and 182.0MB in the end (delta: 151.8MB). Peak memory consumption was 272.2MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 244]: Unsoundness Warning unspecified type, defaulting to int C: short [244] - GenericResultAtLocation [Line: 244]: Unsoundness Warning unspecified type, defaulting to int C: short [244] * 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 300 places, 322 transitions, 652 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 300 places, 322 transitions, 652 flow and 1680 co-enabled transitions pairs.,while SimplifyDDAWithTimeout was simplifying term of DAG size 252 for 90706ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown