/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/goblint-regression/09-regions_20-arrayloop2_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 17:41:28,282 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 17:41:28,335 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 17:41:28,343 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 17:41:28,344 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 17:41:28,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 17:41:28,381 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 17:41:28,381 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 17:41:28,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 17:41:28,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 17:41:28,385 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 17:41:28,385 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 17:41:28,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 17:41:28,387 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 17:41:28,387 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 17:41:28,387 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 17:41:28,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 17:41:28,388 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 17:41:28,388 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 17:41:28,388 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 17:41:28,388 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 17:41:28,389 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 17:41:28,389 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 17:41:28,390 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 17:41:28,390 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 17:41:28,390 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 17:41:28,390 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 17:41:28,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 17:41:28,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 17:41:28,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 17:41:28,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 17:41:28,392 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 17:41:28,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 17:41:28,392 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 17:41:28,392 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 17:41:28,392 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 17:41:28,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 17:41:28,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 17:41:28,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 17:41:28,713 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 17:41:28,713 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 17:41:28,714 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_20-arrayloop2_rc.i [2023-08-25 17:41:29,935 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 17:41:30,233 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 17:41:30,234 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_20-arrayloop2_rc.i [2023-08-25 17:41:30,254 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6722a5f1f/9ede4956749143149c5a73d71bd9378a/FLAGc575e1b0b [2023-08-25 17:41:30,265 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6722a5f1f/9ede4956749143149c5a73d71bd9378a [2023-08-25 17:41:30,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 17:41:30,270 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 17:41:30,271 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 17:41:30,271 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 17:41:30,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 17:41:30,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 05:41:30" (1/1) ... [2023-08-25 17:41:30,275 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35fcc5e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:30, skipping insertion in model container [2023-08-25 17:41:30,275 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 05:41:30" (1/1) ... [2023-08-25 17:41:30,318 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 17:41:30,673 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 17:41:30,674 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 17:41:30,676 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 17:41:30,679 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 17:41:30,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 17:41:30,738 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 17:41:30,762 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [249] [2023-08-25 17:41:30,764 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [249] [2023-08-25 17:41:30,787 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 17:41:30,792 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 17:41:30,793 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 17:41:30,794 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 17:41:30,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 17:41:30,878 INFO L206 MainTranslator]: Completed translation [2023-08-25 17:41:30,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:30 WrapperNode [2023-08-25 17:41:30,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 17:41:30,880 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 17:41:30,880 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 17:41:30,880 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 17:41:30,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:30" (1/1) ... [2023-08-25 17:41:30,919 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:30" (1/1) ... [2023-08-25 17:41:30,974 INFO L138 Inliner]: procedures = 272, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 273 [2023-08-25 17:41:30,974 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 17:41:30,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 17:41:30,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 17:41:30,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 17:41:30,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:30" (1/1) ... [2023-08-25 17:41:30,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:30" (1/1) ... [2023-08-25 17:41:30,991 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:30" (1/1) ... [2023-08-25 17:41:30,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:30" (1/1) ... [2023-08-25 17:41:31,033 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:30" (1/1) ... [2023-08-25 17:41:31,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:30" (1/1) ... [2023-08-25 17:41:31,040 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:30" (1/1) ... [2023-08-25 17:41:31,041 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:30" (1/1) ... [2023-08-25 17:41:31,052 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 17:41:31,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 17:41:31,054 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 17:41:31,054 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 17:41:31,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:30" (1/1) ... [2023-08-25 17:41:31,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 17:41:31,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 17:41:31,084 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 17:41:31,088 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 17:41:31,116 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-08-25 17:41:31,116 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-08-25 17:41:31,116 INFO L130 BoogieDeclarations]: Found specification of procedure g [2023-08-25 17:41:31,116 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2023-08-25 17:41:31,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 17:41:31,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-25 17:41:31,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 17:41:31,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 17:41:31,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 17:41:31,119 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 17:41:31,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-25 17:41:31,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 17:41:31,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-25 17:41:31,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 17:41:31,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 17:41:31,121 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 17:41:31,245 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 17:41:31,261 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 17:41:31,624 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 17:41:31,631 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 17:41:31,631 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-08-25 17:41:31,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 05:41:31 BoogieIcfgContainer [2023-08-25 17:41:31,633 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 17:41:31,635 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 17:41:31,635 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 17:41:31,637 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 17:41:31,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 05:41:30" (1/3) ... [2023-08-25 17:41:31,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ab3b859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 05:41:31, skipping insertion in model container [2023-08-25 17:41:31,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:30" (2/3) ... [2023-08-25 17:41:31,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ab3b859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 05:41:31, skipping insertion in model container [2023-08-25 17:41:31,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 05:41:31" (3/3) ... [2023-08-25 17:41:31,640 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_20-arrayloop2_rc.i [2023-08-25 17:41:31,654 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 17:41:31,654 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-08-25 17:41:31,654 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 17:41:31,742 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 17:41:31,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 286 places, 293 transitions, 596 flow [2023-08-25 17:41:31,897 INFO L124 PetriNetUnfolderBase]: 14/291 cut-off events. [2023-08-25 17:41:31,898 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 17:41:31,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 298 conditions, 291 events. 14/291 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 583 event pairs, 0 based on Foata normal form. 0/259 useless extension candidates. Maximal degree in co-relation 216. Up to 2 conditions per place. [2023-08-25 17:41:31,912 INFO L82 GeneralOperation]: Start removeDead. Operand has 286 places, 293 transitions, 596 flow [2023-08-25 17:41:31,919 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 284 places, 291 transitions, 588 flow [2023-08-25 17:41:31,926 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 17:41:31,933 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 284 places, 291 transitions, 588 flow [2023-08-25 17:41:31,935 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 284 places, 291 transitions, 588 flow [2023-08-25 17:41:31,936 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 284 places, 291 transitions, 588 flow [2023-08-25 17:41:32,008 INFO L124 PetriNetUnfolderBase]: 14/291 cut-off events. [2023-08-25 17:41:32,009 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 17:41:32,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 298 conditions, 291 events. 14/291 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 583 event pairs, 0 based on Foata normal form. 0/259 useless extension candidates. Maximal degree in co-relation 216. Up to 2 conditions per place. [2023-08-25 17:41:32,019 INFO L119 LiptonReduction]: Number of co-enabled transitions 12194 [2023-08-25 17:42:12,640 WARN L234 SmtUtils]: Spent 5.77s on a formula simplification. DAG size of input: 127 DAG size of output: 125 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 17:42:22,248 WARN L234 SmtUtils]: Spent 7.28s on a formula simplification. DAG size of input: 127 DAG size of output: 125 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 17:44:03,768 WARN L234 SmtUtils]: Spent 1.36m on a formula simplification. DAG size of input: 230 DAG size of output: 224 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 17:45:08,238 WARN L234 SmtUtils]: Spent 1.07m 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) [2023-08-25 17:46:56,329 WARN L234 SmtUtils]: Spent 1.80m on a formula simplification. DAG size of input: 230 DAG size of output: 224 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 17:47:25,231 WARN L234 SmtUtils]: Spent 28.90s 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) [2023-08-25 17:50:07,829 WARN L234 SmtUtils]: Spent 2.71m 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) [2023-08-25 17:52:18,948 WARN L234 SmtUtils]: Spent 2.19m 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) [2023-08-25 17:55:08,707 WARN L234 SmtUtils]: Spent 2.83m 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... [2023-08-25 17:56:14,062 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 17:56:15,005 WARN L266 SmtUtils]: Removed 23 from assertion stack [2023-08-25 17:56:15,006 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 17:56:15,007 INFO L158 Benchmark]: Toolchain (without parser) took 884736.81ms. Allocated memory was 343.9MB in the beginning and 419.4MB in the end (delta: 75.5MB). Free memory was 318.8MB in the beginning and 372.4MB in the end (delta: -53.6MB). Peak memory consumption was 256.3MB. Max. memory is 16.0GB. [2023-08-25 17:56:15,007 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 343.9MB. Free memory was 321.1MB in the beginning and 321.0MB in the end (delta: 74.8kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 17:56:15,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 607.92ms. Allocated memory is still 343.9MB. Free memory was 318.8MB in the beginning and 287.7MB in the end (delta: 31.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.0GB. [2023-08-25 17:56:15,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.69ms. Allocated memory is still 343.9MB. Free memory was 287.7MB in the beginning and 283.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 17:56:15,009 INFO L158 Benchmark]: Boogie Preprocessor took 77.67ms. Allocated memory is still 343.9MB. Free memory was 283.5MB in the beginning and 279.7MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 17:56:15,009 INFO L158 Benchmark]: RCFGBuilder took 579.78ms. Allocated memory is still 343.9MB. Free memory was 279.7MB in the beginning and 295.1MB in the end (delta: -15.4MB). Peak memory consumption was 17.3MB. Max. memory is 16.0GB. [2023-08-25 17:56:15,010 INFO L158 Benchmark]: TraceAbstraction took 883371.27ms. Allocated memory was 343.9MB in the beginning and 419.4MB in the end (delta: 75.5MB). Free memory was 294.3MB in the beginning and 372.4MB in the end (delta: -78.1MB). Peak memory consumption was 230.7MB. Max. memory is 16.0GB. [2023-08-25 17:56:15,012 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 was 321.1MB in the beginning and 321.0MB in the end (delta: 74.8kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 607.92ms. Allocated memory is still 343.9MB. Free memory was 318.8MB in the beginning and 287.7MB in the end (delta: 31.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 94.69ms. Allocated memory is still 343.9MB. Free memory was 287.7MB in the beginning and 283.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 77.67ms. Allocated memory is still 343.9MB. Free memory was 283.5MB in the beginning and 279.7MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 579.78ms. Allocated memory is still 343.9MB. Free memory was 279.7MB in the beginning and 295.1MB in the end (delta: -15.4MB). Peak memory consumption was 17.3MB. Max. memory is 16.0GB. * TraceAbstraction took 883371.27ms. Allocated memory was 343.9MB in the beginning and 419.4MB in the end (delta: 75.5MB). Free memory was 294.3MB in the beginning and 372.4MB in the end (delta: -78.1MB). Peak memory consumption was 230.7MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 249]: Unsoundness Warning unspecified type, defaulting to int C: short [249] - GenericResultAtLocation [Line: 249]: Unsoundness Warning unspecified type, defaulting to int C: short [249] * 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 284 places, 291 transitions, 588 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 284 places, 291 transitions, 588 flow and 2304 co-enabled transitions pairs.,while SimplifyDDAWithTimeout was simplifying term of DAG size 252 for 66295ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown